Moderate earthquake in southern Ontario, Canada

Update : Shaking exposure to the population

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Update : 2 earthquakes struck after one another. We appreciate your I Have Felt It reports. We also would like people to add their felt events onto the Earthquakes Canada site.

Update : Expected MMI shaking values for cities who may have felt the earthquake :
IV  (light shaking) : Shawville 2000 people, Fort-Coulonge 3000, Renfrew 8000, Arnprior 10000 and Wakefield  2000
III (weak shaking) Pembroke, Gatineau, Ottawa, Clarence-Rockland, Brockville and Cornwall

A 5.1 Mn earthquake has struck Ontario near Braeside. We apologise to our viewers that our server crashed. Again, we are attempting to improve this, but our funds only stretch so far. It was upgraded to Mn5.2 a few minutes later.

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    19km (12mi) NNE of Shawville, Canada
56km (35mi) E of Pembroke, Canada
63km (39mi) WNW of Gatineau, Canada
67km (42mi) NW of Ottawa, Canada
74km (46mi) E of Petawawa, Canada

Most important Earthquake Data:

Magnitude : 4.9

Local Time (conversion only below land) : 2013-05-17 09:43:24

GMT/UTC Time : 2013-05-17 13:43:24

Depth (Hypocenter)  : 9 km

Depth and Magnitude updates in the list below.

Share your earthquake experience (I Have Felt It) with our readers.
Click on the "I Felt It" button behind the corresponding earthquake. Your earthquake experience is not only important for science, but also for people in the area as well as our global readership.

Refresh this list
SRC Location UTC Date/time M D INFO
USGS Southern Ontario, Canada May 17 20:15 3.1 18 MAP I Felt It INFO
EMSC Southern Ontario, Canada May 17 13:53 3.6 5 MAP I Felt It INFO
USGS Southern Ontario, Canada May 17 13:53 3.6 5 MAP I Felt It INFO
EMSC Southern Ontario, Canada May 17 13:43 4.9 2 MAP
  • Cornwall, Ontario - The 3 story building in which i live began shaking around 9:40 and continued to shake for 5 minutes. Not enough to break things but noticeably.
  • Midland, Ontario Canada - I was sitting in my third floor apartment when we left the house starting going back and forth felt weird
  • St. Catharines, On - Sixth floor of a six floor building. Felt noticeable shaking. Drink moving quite a bit. Happened about 9:45am.
  • Thornhill, ON, L3T 4T5 - 9.40 AM about 30 seconds The water bottle and my bed shaken.This is my 3rd experience from 2000. Dr.Rajasekar Athiappan herbal Scientist
  • waterloo - I was sitting at school in a chair an the chiar started to shake it latsted about an minute or two
  • st. catharines, ontario. - Computer chair started swaying.. then I looked at the cupboard doors in the kitchen and they were swaying too.
  • Val-des-Monts, Quebec - May 17, 2013 - felt the initial earthquake five minutes ago - now feeling an aftershock at 9:54 a.m. - light rumbling. The initial quake was a significant shaking, but not enough to rattle dishes in the cupboard.
  • Toronto Ontario - Closet doors shook violently, bed frame was shaking
  • st hubert - In a tower at St Hubert, Montreal, Canada. Tower shook at around 13:45 UTC
  • Toronto, Ont. - The whole building at work was shaking. We thought a truck was driving by and something fell. Someone started yelling earthquake.
  • Woodbridge, ON, Canada - in the office....desk, floor and building shook. Lasted maybe 20 seconds. Defiantly knew what it was.
  • Brampton - Heard a rumbling, felt the floor/seat moving and water in glass was disrupted for a few minutes
  • Missauga - I was in my bedroom and I heard a sound that sounded like a loud powerful shaking was occurring. The items on top of my bookshelf case were shaking. At first I thought that my father had revved up the lawnmower but when it lasted for more than a few seconds I began to doubt the lawn mower theory and I suspected an earthquake
  • Toronto - Computer and chair shook gently side to side for 10 seconds and saw bedroom door swaying to and fro.
  • Barrie - slow shaking back and forth in my office
  • London Ontario - We are in a 3 storey building on the third floor. My desk, and our cubicle walls were swaying. Our desks are built into the floor and they were moving.
  • Oshawa ontario canada L1H1L1 - Felt my window shake for about 10-15 seconds and it was not windy here at all. I knew right away it was quite far away but was definitely an earthquake!
  • La Peche, Quebec ,Canada - Was in bed, the room shook, the house shook, too strong to be a passing truck or bus. I knew it was an earthquake. Pictures on wall crooked, dogs barking like crazy. Loud thunder sounds.
  • Toronto - condo building, busy city centre - felt like there was a large truck outside causing the shaking
  • gatineau - ben correct j ai pas eu peur juste sa fait bizarre voir branlé la lumière et l'écran de l'ordi
  • Pembroke, ON - Thought it was construction at first, then the big bang hit and one wall shook dramatically (loose drywall maybe?)
  • peterborough ontario - I felt suddenly disoriented, then I noticed the plant on top of my 'fridge' shaking like crazy. No dishes were rattling like they did in th earthquake we had a few years ago.
  • Kitchener - Felt slight shaking not sure what was happening until others started to look around also.
  • Toledo, Ohio - At approx 945a I was working at my desk on the 3rd floor when my coworkers and I felt the building shake for approx 30sec
  • Albany, NY - Felt a tremor from my third-story office building.
  • Lachute - j'ai couru vers l'exterieur
  • Ajax, Ontario - I was sleeping in, had awoken and felt my bed shake sharply, as if someone kicked against it, and my bedroom doors, the double door style with anchor at the top on one door alone, shook as if there was a firm cross wind in the house, for the better part of a minute.
  • Kitchener - Watching a show around 9:45am I could feel the shaking, 10th floor of my apartment building, DVDs on their racks rocked back and forth and my drink had ripples in it. Last maybe a minute and was gone.
  • Lindsay Ontario, Canada - Felt like a line of transport trucks driving by with heavy machinery.
  • North Bay Ontario - I felt like someone was kicking my chair.
  • North Bay, Ontario - I was sitting at the kitchen table on the computer and the townhouse started to shake. I have felt shakes before when a truck would go by but never as strong as this one was. I went and looked outside to see if it was a big truck and noticed that a planter I had on the deck was still moving and there wasn't enough wind to move it since it is wrought iron and held two clay pots. Since my furnace had just came on I also thought maybe there was some kind of combustion problem with it and that had c
  • Pembroke, Ontario - It started with a sudden, loud bang, growing in intensity, shaking the house, for about 15 seconds but seemed longer, at about 9:44am eastern time. We are very near the epicentre.
  • East Syracuse, NY 13057 - I am on the second fllor of an office building and it shook lightly for several seconds, then tapered off.
  • Craighurst, ON - House rumbled and dishes shook on the shelves.
  • London, ON - Was sitting on the couch reading a book when suddenly my couch, stereo and lamp (that I noticed) were all shaking for a minute or so, didn't seem to be too bad though.
  • Arnprior - It was different than other earthquakes I had experienced. It was like a bomb went off. It was louder than others also. (via emsc)
  • Ottawa - I was watching TV on the main floor of our 2 storey house in Rothwell Heights area of Ottawa when the house shook for about 5-7 seconds. I went outside to see if it was construction/blasting in the area. Needless to say it wasn't that. 🙂 I did not feel any aftershocks and there was no damage or items knocked over.
  • Alliston, Ontario - Was sitting at a desk, writing, felt a very slight shaking of the floor, felt woozy from it. Also saw the door moving ever so slightly which continued for about15 seconds.
  • Ancaster - I was sitting at my desk in my office on the 2nd floor. My monitors started shaking and I could hear rumbling. I texted my friends and they didn't believe me lol.
  • Thornhill - Felt a little bit unsteady, noticeable.
  • North York ontario - I live top floor of my building 14th. Felt the whole building moving, sofa drapes lamps all shaking. It was like being on a ship on a big wave.
  • St.Catharines, Ontario Canada - I was sitting in my office chair at work and felt the chair moving . Felt as though someone was holding onto the back and moving the chair from side to side. Called the office down the road and another CSR felt her desk shaking. She felt dizzy.
  • Dafter, MI USA - Sitting at desk, felt side to side movement, dizzying feeling. I had to stand up from chair and still felt some, then it was gone.
  • Warsaw, ON - At school (1-story concrete building) in our Gr 4/5 class,we saw water vibrating in water bottles, lights were flickering. Weird experience! This was our second earthquake in this school!
  • dunsford - Glasses on shelves started rattling but didn't feel anything in the floor, thought was a truck driving up the road but lasted too long. Felt almost medicine head like while shaking lasted.
  • Hamilton, Ontario - Just felt swaying causing slight dizziness.
  • Eganville - I was upstairs. Doors and windows rattled. Cat startled. Lasted maybe eight seconds. Thought it was a big truck or logger outside starting its motor. Unnerving but not not frightening.
  • Kingston - Felt it on the 6th floor of my apartment building in Kingston.
  • Warsaw, Ontario - I was in my classroom (in a 1 story concrete building) when my teacher said for everyone to be quiet. We then saw a water bottle shaking on the desk. The light started flickering. This was my second earthquake.
  • Alliston - Was upstairs in my house, all of a sudden entire house was shaking. Lamp shades swinging, blinds moving.
  • Warsaw, ON - The earthquake was very strong light went out and were shaking very rapidly.
  • Warsaw, ON - We were in the school when water in water bottles started shaking and the the lights started filkering then we knew it was an earthquake!
  • Central Mississauga, Ontario, Canada - Noticed window shaking and chair moved slightly at around 10:00 am.
  • Ottawa, Barrhaven - Felt the extended rumble so I knew that it wasn't the planes over head. Rattled some of my glasses and cabinets. Also felt the aftershock rumble, although not as strong or as long.
  • Vaudreuil - Out sitting on my raised deck surprised it was shaking with out the train going by.
  • Shelburne, Ontario - Could feel and hear the house shake.
  • Welland, Canada - Wasn't sure what I was experiencing...kind of dizziness until I looked at the Norfolk Pine on my desk and it was "trembling" as if in a breeze where there was none!
  • Mississauga - I'd had a late night - was in bed but awake - lying on my right side I felt more than heard a low rumbling and then the bed seemed like it was moving almost as if someone was getting into it. I lifted my head to look and there was nothing. Half hour later I read about the quake on FB, checked the time and realized what I'd heard/felt.
  • Barrie - Was at my desk writing and felt the table move.
  • Whitby, Ontario - The earthquake actually woke me up. I'd been up all night with a horrible migraine and had just fallen to sleep. The ceiling fan in my room was shaking quite a bit.
  • Newmarket, ON - Sitting in a chair, felt a gentle rocking / wave-like motion for about 5 seconds.
  • Keswick - Was awakened by house shaking.
  • Owen Sound - Bed, lamp and pictures on the wall were shaking.The whole house was moving. Crazy!
  • Toronto - Desk shook, computer monitor shook, ceiling fan swayed and house made alarming creaking sounds.
  • Wakefield - I thought the mountain behind my house was coming down. Glad I have earthquake insurance now!
  • Brantford - My couch in the basement was shaking.
  • Kingston - Taking a test during our 9:05-9:50 am period on the 2nd floor of our school, majority of students noticed shaking, but thought it was a train going by until we realized there was no train. Some were joking about it being an earthquake, but turns out it was right!
  • Mississauga - Laying in bed and felt a vibration that lasted around 5 seconds.
  • Harrison Township, MI - I was on my computer and my chair started to move back and forth and I looked up and saw one of my plants moving. We live by an air force base, but there were no planes going over. It happened twice.
  • Blackburn, Hamlet - Sounded like a large lorry going by -- that's what I thought it was until I saw a report of the earthquake on CBC News Network.
  • Wyandotte Mi - Felt light shaking like a vibration.
  • Manotick - Sitting on the desk and it shook quite a lot. It also seemed to last quite about one minute.
  • Peterborough - Lasted about 10-15 seconds this morning.
  • Grave hurst ont - The whole house started shaking and a rumbling . Hope it doesn't come back
  • Barrie - My science buddy noticed her desk first shaking..when it happened again I felt my chair shaking... Wow... I think people thought we were boozing:)
  • Brewerton, New York, USA - I was on second floor of our home. Computer monitor shook, glassware collection on shelves rattled. My husband, who was out doors, was unaware of the quake.
  • Midland, on - it woke me up
  • Tory Hill, Ontario - First heard a deep rumble, then my windows began to shake and vibrate.
  • TOronto Ontario, west end - Gentle jiggling as I sat on couch. I felt light headed for a second and then realized it was an earthquake. I recorded time from CP24 as 9.42a.m.
  • Palm Desert, Californa - Around 9:00 AM things started to shake and lasted about 30 sec. Next door neighbour said it was a 5.3. Next day the paper said 4.6 at Anza in the Santa Rosa. Between March 5th and 10th.
  • Brantford, ON, Canada - Friday May 17 , 2013 @ approx 11:00AM , I awoke to feel my bed swaying back and forth as well as shaking . I live in a highrise on the 4th Floor and could feel the building swaying.
  • GEOFON Southern Ontario, Canada May 17 13:43 4.9 9 MAP I Felt It INFO
  • Manotick - Woke me up. ...
  • USGS Southern Ontario, Canada May 17 13:43 4.4 9 MAP



    Other earlier earthquakes in the greater epicenter area (since 1900)

    Strongest earthquakes within a 150 km radius from this earthquake (max. 60)




    I felt the shaking *
    Country where you felt the earthquake *
    City/Village where you felt the earthquake *
    Street or suburb (area) where you felt the earthquake
    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    Shaking Strength *
    MMI II (Very weak shaking) ?
    People :
    Felt by persons at rest, on upper floors or favorably placed.
    MMI III (Weak shaking) ?
    People :
    Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
    MMI IV (Light shaking) ?
    People :
    Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building.
    Fittings :
    Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock.
    Structures :
    Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
    MMI V (Moderate shaking) ?
    People :
    Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed.
    Fittings :
    Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate.
    Structures :
    Some large display windows cracked. A few earthenware toilet fixtures cracked.
    MMI VI (Strong shaking) ?
    People Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily.
    Fittings :
    Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or "easy glide" drawers may open (or shut).
    Structures :
    Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall.
    Environment :
    Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
    MMI VII (Very strong shaking) ?
    General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop.
    Fittings :
    Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings.
    Structures :
    Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged.
    Environment :
    Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
    MMI VIII (Severe shaking) ?
    People Alarm may approach panic. Steering of motorcars greatly affected. Structures : Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down. Environment : Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.
    MMI IX (Violent shaking) ?
    Structures Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames. Environment : Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.
    Tell us your experience and how many seconds the shaking lasted + let us know if your property has been damaged (even slight damage). (max. 500 characters)
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