Important historic earthquakes (until 2013) in Idaho, USA

The list of the 50 most recent earthquakes in this state can be found at the bottom of this page.

Click on this image to watch it in full size - Data courtesy NOAA Natural Hazards database

Click on this image to watch it in full size - Data courtesy NOAA Natural Hazards database


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

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SRC Location UTC Date/time M D INFO
USGS Challis, Idaho Oct 05 11:34 2.5 5 MAP
USGS Soda Springs, Idaho Sep 21 13:34 3.2 11 MAP
EMSC Southern Idaho Sep 21 13:34 3.2 11 MAP I Felt It INFO
USGS Montpelier, Idaho Sep 21 09:07 2.5 6 MAP
USGS Soda Springs, Idaho Sep 21 08:39 2.6 8 MAP
USGS Soda Springs, Idaho Sep 21 08:39 2.5 2 MAP
USGS Challis, Idaho Sep 18 07:00 2.5 9 MAP
USGS Challis, Idaho Sep 16 15:34 2.8 5 MAP I Felt It INFO
  • Challis - I heard the house creaking and the plants on the dresser were rocking. Only lasted a 3 ish seconds.
  • EMSC Southern Idaho Sep 08 21:22 3.0 7 MAP
    USGS Soda Springs, Idaho Sep 08 21:22 3.0 6 MAP I Felt It INFO
    USGS Soda Springs, Idaho Aug 23 19:43 2.5 9 MAP
    USGS Soda Springs, Idaho Aug 23 19:41 2.6 6 MAP I Felt It INFO
    USGS Soda Springs, Idaho Aug 23 15:04 2.5 9 MAP
    USGS Soda Springs, Idaho Aug 22 16:22 2.6 5 MAP
    USGS Challis, Idaho Aug 17 16:10 2.5 9 MAP
    USGS Montpelier, Idaho Jul 17 02:36 2.7 13 MAP I Felt It INFO
    USGS Challis, Idaho Jul 14 03:51 2.7 5 MAP I Felt It INFO
    USGS Challis, Idaho Jul 13 18:32 2.5 9 MAP
    USGS Challis, Idaho Jul 13 18:07 2.7 5 MAP I Felt It INFO
    USGS Challis, Idaho Jul 13 18:04 3.2 5 MAP
    USGS Challis, Idaho Jul 13 18:04 3.5 5 MAP
    EMSC Southern Idaho Jul 13 18:04 3.5 6 MAP I Felt It INFO
    USGS Challis, Idaho Jul 13 17:24 2.7 4 MAP
    USGS Challis, Idaho Jul 13 17:12 2.5 5 MAP
    USGS Soda Springs, Idaho Jul 03 12:19 2.8 3 MAP I Felt It INFO
  • Meridian - 1-2 seconds
  • USGS Malad City, Idaho Jun 11 09:17 2.9 6 MAP I Felt It INFO
    USGS Soda Springs, Idaho May 30 03:28 3.3 8 MAP
    EMSC Southern Idaho May 30 03:28 3.3 9 MAP I Felt It INFO
    USGS Challis, Idaho May 29 02:35 3.0 6 MAP I Felt It INFO
    USGS Challis, Idaho May 09 23:26 2.7 19 MAP I Felt It INFO
    USGS Challis, Idaho May 09 23:26 2.5 8 MAP
    USGS Soda Springs, Idaho May 09 12:01 2.6 4 MAP
    USGS Challis, Idaho Apr 30 11:04 2.5 10 MAP
    USGS Soda Springs, Idaho Apr 28 10:21 2.9 5 MAP I Felt It INFO
    USGS Soda Springs, Idaho Apr 27 14:38 2.6 8 MAP
    USGS Soda Springs, Idaho Apr 24 21:33 2.5 9 MAP
    USGS Soda Springs, Idaho Apr 16 15:43 2.7 9 MAP I Felt It INFO
  • Boise - Rattling on desk and shelves in office
  • USGS Soda Springs, Idaho Apr 07 07:22 3.4 5 MAP
    EMSC Southern Idaho Apr 07 07:22 3.4 6 MAP I Felt It INFO
  • sidney - 1040 am 2018 7 april 45 seconds watching web program. my experience rumble where i sat mild, i've been in 5 earthquake areas so i know whats happening. the report said okla. i am in sw ohio. thank you. ccr.
  • USGS Idaho City, Idaho Mar 14 17:06 2.8 9 MAP I Felt It INFO
    USGS Challis, Idaho Mar 14 17:02 2.6 12 MAP
    USGS Soda Springs, Idaho Feb 26 00:03 2.6 6 MAP
    USGS Soda Springs, Idaho Feb 22 08:49 3.0 0 MAP
    USGS Challis, Idaho Feb 11 22:33 2.5 12 MAP
    USGS Soda Springs, Idaho Feb 08 19:04 2.6 -3 MAP
    USGS Challis, Idaho Feb 07 08:03 2.8 12 MAP
    USGS Challis, Idaho Feb 02 22:52 2.6 12 MAP
    USGS Challis, Idaho Feb 02 22:52 2.5 10 MAP
    USGS Challis, Idaho Jan 31 20:44 2.7 10 MAP
    USGS Soda Springs, Idaho Jan 29 00:53 2.6 9 MAP

    Data sources courtesy : USGSEMSCGFZGEONET

    SHARE YOUR EARTHQUAKE EXPERIENCE WITH US

    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) ?
    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.
    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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