Wyoming earthquakes list

Last update: April 27, 2012 at 2:13 pm by By

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The list below shows the Wyoming earthquakes

Label info : M = magnitude, D = depth (km), Time = UTC – Wyoming = UTC –7

SRC Location UTC Date/time M D INFO
EMSC Wyoming Apr 20 17:05 2.4 6 MAP I Felt It
EMSC Wyoming Apr 20 14:33 2.5 4 MAP I Felt It
EMSC Wyoming Apr 19 03:32 2.2 10 MAP I Felt It
EMSC Yellowstone Nat. Park, Wyoming Mar 30 13:51 2.2 4 MAP I Felt It
EMSC Wyoming Feb 26 23:00 4.0 5 MAP I Felt It INFO
USGS Jackson, Wyoming Feb 26 23:00 4.0 5 MAP I Felt It INFO
  • Jackson - Computer screens shaking for 10 seconds
  • Jackson - My desk & computer shook briefly.
  • Jackson, WY - House shook
  • USGS Kemmerer, Wyoming Feb 20 23:30 3.0 -2 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Jan 29 07:07 2.1 12 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Jan 27 10:56 2.0 5 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Jan 26 12:59 2.0 5 MAP I Felt It
    EMSC Wyoming Jan 06 08:39 2.6 9 MAP I Felt It
    USGS Lovell, Wyoming Jan 06 08:39 2.6 8 MAP I Felt It
    EMSC Wyoming Dec 31 07:06 2.5 10 MAP I Felt It
    USGS Midwest, Wyoming Nov 30 15:16 3.4 6 MAP I Felt It INFO
  • Chicago - There was no damage. Just a very slight shaking...
  • EMSC Wyoming Nov 30 15:16 3.4 6 MAP I Felt It INFO
    USGS Old Faithful Geyser, Wyoming Nov 24 23:06 2.8 2 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Nov 24 23:06 2.8 2 MAP I Felt It
    USGS Dubois, Wyoming Nov 23 03:06 2.5 1 MAP I Felt It
    EMSC Wyoming Nov 23 03:06 2.5 1 MAP I Felt It
    USGS Dubois, Wyoming Nov 23 02:54 3.0 1 MAP I Felt It INFO
  • Dubois - Initially thought it was a large explosion. Shook the house pretty good. Also felt a small aftershock
  • Dubois - Felt both. Thought I was back in CA
  • Dubois Wy - We felt two of the three
  • Dubois - I felt what must have been the larger of the two. Only one or two shakes and over with.
  • Pavillion - Storage boxes in the basement were tipped over
  • EMSC Wyoming Nov 23 02:54 3.0 2 MAP I Felt It INFO
    EMSC Yellowstone Nat. Park, Wyoming Nov 17 12:57 2.7 15 MAP I Felt It
    USGS Old Faithful Geyser, Wyoming Nov 17 12:57 2.7 14 MAP I Felt It
    USGS Green River, Wyoming Nov 09 02:55 3.0 -1 MAP I Felt It
    EMSC Wyoming Nov 09 02:55 3.0 1 MAP I Felt It
    EMSC Wyoming Nov 05 17:51 2.5 5 MAP I Felt It
    USGS Jackson, Wyoming Nov 05 17:51 2.5 5 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Oct 28 19:20 2.3 2 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Oct 19 02:51 2.4 11 MAP I Felt It
    USGS Thermopolis, Wyoming Sep 03 03:51 2.9 -3 MAP I Felt It
    EMSC Wyoming Sep 03 03:51 2.9 1 MAP I Felt It
    USGS Old Faithful Geyser, Wyoming Jun 21 22:40 2.5 8 MAP I Felt It
    USGS Ethete, Wyoming May 23 08:03 2.8 19 MAP I Felt It
    EMSC Wyoming May 23 08:03 2.8 19 MAP I Felt It
    USGS Old Faithful Geyser, Wyoming May 18 23:00 3.0 4 MAP I Felt It INFO
    USGS Green River, Wyoming Feb 09 00:54 3.5 -2 MAP I Felt It
    USGS Saratoga, Wyoming Nov 15 22:02 3.3 2 MAP I Felt It INFO
    EMSC Wyoming Nov 15 22:02 3.3 3 MAP I Felt It INFO
    USGS Old Faithful Geyser, Wyoming Oct 29 21:55 2.7 6 MAP I Felt It
    USGS Worland, Wyoming Oct 16 12:19 2.6 7 MAP I Felt It
    EMSC Wyoming Aug 30 20:09 3.8 5 MAP I Felt It INFO
    USGS Old Faithful Geyser, Wyoming Apr 09 02:34 2.7 5 MAP I Felt It
    USGS Old Faithful Geyser, Wyoming Apr 01 04:32 3.1 3 MAP I Felt It INFO
    EMSC Yellowstone Nat. Park, Wyoming Mar 30 15:12 3.3 6 MAP I Felt It INFO
    EMSC Yellowstone Nat. Park, Wyoming Mar 30 15:07 3.1 7 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Mar 30 13:56 2.5 8 MAP I Felt It
    EMSC Yellowstone Nat. Park, Wyoming Mar 30 13:30 3.1 4 MAP I Felt It
    GEOFON Yellowstone Region, Wyoming Mar 30 12:34 5.0 10 MAP I Felt It INFO
    EMSC Yellowstone Nat. Park, Wyoming Mar 26 19:14 3.0 6 MAP I Felt It INFO
    USGS Hoback, Wyoming Feb 19 15:49 2.8 5 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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