Maryland earthquakes list

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The list below shows the Maryland earthquakes

Label info : M = magnitude, D = depth (km), Time = UTC – Maryland time = UTC – 5

SRC Location UTC Date/time M D INFO
USGS Conestoga, Pennsylvania Apr 23 20:49 2.7 0 MAP I Felt It
EMSC Pennsylvania Apr 23 20:49 2.3 5 MAP I Felt It
EMSC Virginia Mar 13 02:11 2.6 11 MAP I Felt It
  • Glen Allen - Felt floor vibrations, heard a rumble, and the whole house trembled.
  • USGS Goochland, Virginia Mar 13 02:11 2.6 11 MAP I Felt It
    EMSC Virginia Dec 22 11:22 2.2 8 MAP I Felt It
    EMSC Virginia Apr 21 02:09 2.0 3 MAP I Felt It
    USGS Bolivar, West Virginia Jan 17 19:12 3.0 5 MAP I Felt It INFO
  • Ranson - Neighbor had picture fall from the wall.
  • Charles Town - Loud rumble, steady shaking of approx. 5 seconds.
  • Charles town - The dogs headed for the door and all of my glassware chattered. Sounded like 3-4 seconds of sustained deep thunder from beneath the house.
  • Harpers Ferry - similar to a thunder boom
  • Charles Town - Loud BOOM and the house shook.
  • Shannondale, Harpers Ferry - The dog was acting weird most of the morning and right before it happened he did not want to be in the house. We had some pictures on the wall shake and rattle and it sounded like a train going down the street.
  • harpers ferry Wv - All a sudden the house shook things shook on the walls with a loud rumble
  • Harpers Ferry - Just let the dogs out for a walk. Standing at the front door when the ground began shaking for about 3-4 seconds. Pictures on the walls rattled for a moment ,but that's about it.
  • Harpersferry. Wvv - Lasted 3 or4seconds. No damage
  • Bolivar - We experienced 3 - 4 seconds of loud rumbling sound and vibrations in our home similar to heavy thunder or a distant explosion. In fact, I got up and looked outside for storm clouds thinking that what it was.
  • Charles town,wv - It was a loud rumble and distinct shake,like a herd of Buffalo were coming through.
  • Lovettsville - We thought one of the kids might have knocked over something heavy in the basement. Also felt like underground blasting but without the sound.
  • Woodstock, USA - Traveling down 81 today from Winchester and the semi in front of me began to weave suddenly, and I immediately realized my vehicle was also undulating as well as the vehicle beside me. I looked to the trees suspecting gusty winds, but the winds were strangely calm. Almost certain this was a tremor. It was a very odd sensation while driving.
  • Ranson W vVA - Sound like a bad thunder storm
  • Harpers Ferry, West Virginia - My mother experienced an extremely loud boom (like a cannon) and house shook for 3-4 seconds. She lives less than a mile from both the Shenandoah and Potomac Rivers (closer to Shenandoah) where they meet in Harpers Ferry, West Virginia. Also my brother experienced the same (house shook and loud boom) at his home near Blue Ridge Elementary School.
  • Shannondale - Sounded like thunder or blasting.
  • Harpers Ferry, West Virginia - No apparent damage to structure (to the best of my knowledge). I was inside home, I heard a very loud boom (like a cannon), then the house shook for a few seconds.
  • Bolivar - Thought more sonic boom or explosion over earthquake. Guess I am just used to my So California earthquakes. Just got rattles and no sways
  • EMSC Potomac-shenandoah Region Jan 17 19:12 3.0 5 MAP I Felt It INFO
  • Harper's Ferry - Heard and felt it. Sounded like a bomb going off under ground. No damage
  • Knoxville, MD. - Felt like an explosion under the house. The house shook and the dishes rattled.
  • USGS Louisa, Virginia Mar 15 07:02 2.8 5 MAP I Felt It
  • Huntington WV - Shaking and sound from the ground up into feet then through body
  • EMSC Virginia Mar 15 07:02 2.8 5 MAP I Felt It
    USGS Goochland, Virginia Feb 26 08:48 2.5 7 MAP I Felt It
    USGS Virginia Apr 03 19:00 2.5 6 MAP I Felt It
  • Huntingtown, MD - Are your sure about the time? At about 11:15 Eastern Daylight Savings time, our dog started whining and then our bed started rocking. Lightly but enough to know it wasn't my husband kicking the bed! It lasted for about 20 seconds. ER : must have been another one. The time we mention is UTC or GMT
  • USGS Virginia Apr 03 19:00 2.5 9 MAP I Felt It
    USGS Virginia Mar 26 03:21 3.1 5 MAP I Felt It
  • Spotsylvania, VA - A rumble that at first sounded like thunder but then the house started to vibrate. Rumble lasted about 5 seconds, vibration about 3 seconds.
  • UNITED STATES - heard rumbling in bon air virginia, but did not feel any vibration.
  • Ruther Glen VA - Moderate shaking, tapering off to weak shaking 11:23p 03/25/12
  • Ladysmith VA - 11:23 pm. Light shaking indicated
  • Powhatan VA - Heard loud rumble and felt light shaking for 10-15 seconds.
  • Bumpass - Shook our house
  • Bumpass, VA - 11:23 Sunday night STRONG aftershock...big booming/rumbling sounds, strong shaking...scary!
  • Spotsylvania, VA - Very weak shaking indicated
  • Arvonia, VA - Like heavy equipment driving by.
  • Bremo bluff, VA - Loud boom, followed by three seconds of rumble and vibration
  • Woodbridge - I woke up to the house rattling around 11:28pm; approximately 5-10 seconds long
  • Buckingham, VA - Far way rumbling for quite sometime
  • Richmond, VA - Overnight I felt the shaking more than once like twice in Feb and twice in March how scary
  • Buckhannon, West Virginia - I was sitting in my apartment building which is an old 4 story hospital. The whole building then began to shake or kind of sway like it did when Washigton DC was hit. This happens off and on but never on windy days
  • USGS Virginia Mar 26 03:21 3.1 7 MAP I Felt It
  • Charlottesville, VA - Mild rumbling noise and feeling.
  • Keswick, Va - We heard the rumbling but felt no vibration. I felt a strange physical feeling about 1-2 minutes before the rumbling.
  • Mineral, VA - Woke me up. Shook the house for at least two seconds. Could hear and feel a rumble for about ten seconds.
  • Chantilly, VA - Woke me and the dog up, heard something like someone had jumped hard on the floor above and the pans hanging on the pot rack were swaying and clanging.
  • palmyra, va - thunder like noise and shaking... thot it was an earthquake and it was!
  • Annapolis, MD - This was on 23 Aug 2011. We had the 5.8(give or take a .0). Remember, we are not use to EQ's at all. In my 57 yrs of life and living in the Baltimore/Washington area, I've never felt anything like it. It truly scared everyone in my office.
  • USGS Virginia Feb 19 07:12 2.7 5 MAP I Felt It
  • Keswick, VA - Rumbling...house shook a little...duration maybe 8 seconds or so...I thought it was earlier than 7:12 AM though...but I could be mistaken...
  • Louisa (1) - at 2:13 am today 2/19/2012 - woke up - like all of them, when they happen at night, something just tells you to wake up, then you hear the coming of the "under-thunder" and see/feel the house shake/rattle/roll
  • Louisa (2) - This was no different - very strong shaking - felt like it lasted 4-5 sec's ...then it rolls away... I live @ the bottom of Louisa County, close to I-64, approx 5-6 miles due East of Ferncliff (intersection of Rte 250 E/W & Rte's 208 & 659 ).
  • Louisa (3) - I am 10-12 miles south of the towns of Mineral
  • Louisa (4) - Does that mean we could have another quake stronger than 5.9 ??? I feel like a walking-talking Richter Scale.... and my home continues to suffer for it...
  • USGS Virginia Jan 30 23:39 3.2 3 MAP I Felt It
    USGS Virginia Jan 30 23:39 3.2 7 MAP I Felt It
    USGS Virginia Jan 18 21:03 2.5 4 MAP I Felt It
    USGS Virginia Jan 18 13:08 2.5 1 MAP I Felt It
    James Daniell CATDAT United States Aug 23 07:00 5.8 6 MAP I Felt It

    Data sources courtesy : USGSEMSCGFZGEONET


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    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) ?
    People
    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.
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