Moderate earthquake - 35 Miles Nw Of Eureka California on October 11, 2013

Most important Earthquake Data:

Magnitude : 4.9

Local Time (conversion only below land) : Unknown

GMT/UTC Time : 2013-10-11 23:06:00

Depth (Hypocenter)  : 11 km

Depth and Magnitude updates in the list below.

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SRC Location UTC Date/time M D INFO
WCATWC 35 Miles Nw Of Eureka California Oct 11 23:06 4.9 11 MAP I Felt It INFO
  • Eureka - I felt 2 jolts about 2 sec apart.
  • Trinidad - Two jolts
  • Eureka ,Ca - It was very strong and quick.
  • Eureka, CA - I felt the earthquake at about 4:05 PM Eureka, CA time. It was a couple of jolts and I heard a cup rattle in the cupboard at home. Nothing broke or fell, though.
  • Eureka - Was standing in my store helping customers when we heard a fairly loud boom, and things started shaking. My dog was very upset so I was mostly calming him down. My customers had just moved to California, so this was their 1st earthquake.
  • Ferndale, CA - Had a good jolt to it. Felt stronger than a 4.9.
  • Fortuna, CA - Small then large jolt.
  • McKinleyville - very short here, maybe 2 seconds. I'm guessing here on the level. Not sure which level to give it but I've lived here about 1.5 years and this may be the strongest I've felt yet - like the house got bumped with a truck or something
  • Eureka - 2 jolts felt
  • Eureka, California, USA - Just a quick jolt - felt like about a 5 on the Richter scale
  • Chico - very mild shaking in upstairs of home
  • Blue Lake - I felt a good jolt and heard everything jump.
  • Eureka CA - 3rd floor of old building, shook noticeably and for long enough duration that staff got in doorways. At home in mckinleyville bf reports small things fell off shelf
  • McKinleyville, CA - Good shaker... came in two waves
  • Eureka (Three Corners) - One maderate jolt and then 5 seconds of mild shaking
  • Eureka - At work, building shook.
  • Eureka - Strong jolt followed by another a couple of seconds later. Building kept swaying for several seconds after second jolt, felt like it may have been a longer but weaker aftershock, or it could have been the building (I was on the second story).
  • Fortuna - Strong Jolt! It knocked pictures onto the floor.
  • Arcata - 2 waves felt a few seconds apart
  • Eureka - Two jolts 1st one seamed to be sharper and more vertical.
  • Arcata - Two good jolts a couple seconds apart
  • Garberville - House shook. No damage.
  • Manila, CA - Shook for over 10 seconds.
  • Manila - Began as light waving movement then ramped up to a moderate sustained shaking motion.
  • Eureka - Two jolts.....second one louder
  • Hydesville - Woke up for a split second before I felt a jolt.
  • Arcata, near Bayside - Felt like earth was bubbling
  • Eureka,CA - Napping, I awoke to a gentle rolling, quickly followed by a strong jolt or two and then more rolling.
  • Fortuna - Started slow then had a good shake for awhile.
  • Eureka - my tv shook and i thought it was over cause thats how most of the quakes have felt that ive experienced. then my whole mobile home shook violently and i have never seen my house shake like that before. then i went outside and felt some aftershocks 10 minutes later. i thought it was much bigger than a 5.0.
  • Manila - A pretty good shaker.
  • Eureka, CA, USA - thought my wife was shaking the couch to wake me up cause I was resting and i asked her to stop and she said earthquake and we all jumped up and went for the door and then the two slams hit and all the furniture jumped and moved. Knocked a few things over. It was a up and down motion felt soft (but moderate) and spongy shaking for 15 seconds followed by two violent slams right after. My friend was outside and said all our cars were rolling up and down not side to side.
  • Eureka - Boom sound. Dogs started barking.
  • Freshwater - two jolts, second bigger than first. Some things fell off shelves upstairs but no breakage.
  • 95521 - a bit of a shake. just wasn't sure what might be coming next. 2 separate little shakes. jello like. thankfully not to big or long.
  • Eureka - The house was rumbling and shaking for around 10 seconds
  • Arcata, CA - A sharp jolt followed by light shaking. On the 4th floor of a four story building.
  • McKinleyville - Rather strong shaking with objects rattling around the house. Then another shorter jolt within seconds.
  • Eureka - It started slowly, with a little shaking that I recognized as the beginning of an earthquake, but no one else really looked up (in the restaurant), then it got stronger and shook the whole place. Everyone stopped talking and started looking around. People who had never felt an earthquake asked if this was an earthquake. Kinda funny...
  • Bayside, CA - Two jolts
  • Eureka - felt and heard the mall move
  • Eureka, Carson Park area. - I was working online in my bedroom when the quake gave the house a couple good jolts (I heard a cup fall off the pedestal sink in the bathroom) and then it rolled lightly for quite a while. I was starting to wonder if it was going to get stronger again when it finally faded away.
  • McKinleyville - Felt like the building was wiggling, almost was massaging, than it kept on going for a good amount of time and I realized it was an earthquake
  • Eureka - Violent
  • Ferndale - Canned goods in my cupboard fell.
  • Eureka - A little preliminary rolling followed by a sharp jolt, a little more rolling, and another, smaller jolt. My dog was about 15 feet away. She sat stock still, didn't move a muscle. Her eyes were big and very concerned, and she wouldn't take them off mine.
  • Eureka - Shelves moved...fridge moved alot all lighting was swinging...only about 3 seconds.
  • Eureka, CA - Shook for a few seconds then hit a little harder and stopped.
  • Trinidad - felt two distinct separate jolts. The first was a jolt followed about two seconds later with a more rolling hit that I felt in a North-East direction.
  • Arcata - 1 strong jolt
  • McKinleyville - Quick and strong for a few seconds
  • Crescent City - It shook for about 3 or 4 seconds and made my computer monitors at work shake.
  • Fortuna - Strong jolt
  • Eureka - Heard a rumble and fel a jolt, followed by a second quick shake. Over in seconds.
  • Eureka - A good one for releasing pressure...2 jolts & several seconds of shaking.
  • Eureka - Sounded and Felt like a steam roller coming towards the house then bumped it.
  • Rio Dell end of Russ Fault - a few seconds lead-up then moderate jolt & shaking for 2 seconds, then jello jiggle for 10 seconds.
  • Klamath, CA - Short but made the whole building shake and creak.
  • Weed, CA - Noticed the things that rattle and shake during a quake doing their thing for 10 seconds or less.
  • Arcata, CA - I was standing in my living room listening to Led Zeppelin when I felt a rumble underneath my feet. First time legitimately feeling an earthquake!
  • Santa Cruz - Was at my computer when I felt it shake slightly, then intensify quickly. Everything moved. The top level of the building moved in the other direction of the lower level. Dogs barked and car alarms triggered. Was certainly strong and lasted about 25sec. Stayed under a door jam while my heart raced!
  • St. Helena - Entire house shaking with windows rattling
  • Irvine, CA - quick jolt
  • Eureka CA - Big boom then shaking very quick second or two
  • mckinleyville, CA - I marked it strong, but it was very brief. it was like the house was lifted up, then dropped. Three seconds later. another one. Just two. Very short. Not really "shaky". more like an up/down "drop".
  • GEOFON Near Coast Of N. California Oct 11 23:05 4.8 14 MAP
    USGS Eureka, California Oct 11 23:05 4.9 10 MAP
    EMSC Offshore Northern California Oct 11 23:05 5.0 10 MAP


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    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.
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