Important historic earthquakes (until 2013) in Montana, USA

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

Screen Shot 2014-04-28 at 19.28.17

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

TSU - means that a tsunami (or in this case strong river waves) were triggered


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

SRC Location UTC Date/time M D INFO
USGS Lincoln, Montana Nov 11 00:08 3.0 11 MAP I Felt It INFO
USGS Lincoln, Montana Nov 10 04:39 3.2 10 MAP I Felt It
EMSC Western Montana Nov 10 04:39 3.2 11 MAP I Felt It INFO
USGS Lincoln, Montana Nov 07 14:08 3.4 10 MAP I Felt It
EMSC Western Montana Nov 07 14:08 3.6 12 MAP I Felt It INFO
USGS Four Corners, Montana Nov 06 09:13 3.2 7 MAP I Felt It
  • Gallatin Gateway - Light shaking
  • EMSC Western Montana Nov 06 09:13 3.2 7 MAP I Felt It INFO
    USGS Lincoln, Montana Oct 27 21:05 2.7 9 MAP I Felt It
    USGS Lincoln, Montana Oct 21 08:38 2.8 12 MAP I Felt It
    USGS West Yellowstone, Montana Oct 19 22:18 2.9 1 MAP I Felt It
    USGS Lincoln, Montana Oct 19 22:18 4.2 5 MAP I Felt It INFO
  • Lincoln - On October 19th I felt the 4.2. No damage but it was a quick strong shake that puttered out or vise versa.
  • USGS Lincoln, Montana Oct 18 10:43 2.5 5 MAP I Felt It
    USGS Lincoln, Montana Oct 15 19:49 2.5 13 MAP I Felt It
    EMSC Western Montana Oct 15 02:24 3.6 9 MAP I Felt It
    USGS Lincoln, Montana Oct 15 02:24 3.4 2 MAP I Felt It INFO
  • Kalispell - Very weak shaking
  • USGS Lincoln, Montana Oct 15 01:41 3.9 8 MAP I Felt It
    EMSC Western Montana Oct 15 01:41 4.0 9 MAP I Felt It INFO
    USGS Ronan, Montana Oct 13 16:16 2.5 7 MAP I Felt It
    USGS Lincoln, Montana Oct 09 14:58 3.1 11 MAP I Felt It INFO
    USGS Lincoln, Montana Oct 09 05:08 2.5 11 MAP I Felt It
    USGS Big Timber, Montana Oct 05 10:03 2.6 14 MAP I Felt It
    USGS Lincoln, Montana Oct 04 09:15 2.5 13 MAP I Felt It
    USGS Lincoln, Montana Oct 02 03:02 2.7 10 MAP I Felt It
    USGS Helena Valley Northwest, Montana Sep 30 05:40 2.7 7 MAP I Felt It
    USGS Lincoln, Montana Sep 29 16:43 2.8 5 MAP I Felt It
    USGS Lincoln, Montana Sep 27 13:13 2.7 12 MAP I Felt It
    USGS West Yellowstone, Montana Sep 26 06:31 2.9 6 MAP I Felt It
    USGS Lincoln, Montana Sep 25 09:34 2.9 11 MAP I Felt It
    EMSC Western Montana Sep 25 08:44 3.6 11 MAP I Felt It
    USGS Lincoln, Montana Sep 25 08:44 3.5 10 MAP I Felt It INFO
  • Lincoln - Weak shaking
  • USGS Lincoln, Montana Sep 22 00:20 2.6 11 MAP I Felt It
    USGS Lincoln, Montana Sep 18 13:40 2.7 9 MAP I Felt It
    USGS Whitefish, Montana Sep 18 06:49 2.8 10 MAP I Felt It
    USGS Lincoln, Montana Sep 15 12:07 2.7 10 MAP I Felt It INFO
    USGS Whitefish, Montana Sep 14 20:00 3.1 11 MAP I Felt It INFO
    USGS Lincoln, Montana Sep 13 22:53 3.2 10 MAP I Felt It INFO
  • Livingston - No damage. Whole bed shook. Less than 1 minet long.
  • EMSC Western Montana Sep 13 22:53 3.4 14 MAP I Felt It
    USGS Lincoln, Montana Sep 12 12:43 2.7 13 MAP I Felt It
    USGS Lincoln, Montana Sep 10 14:13 3.1 12 MAP I Felt It INFO
    USGS Lincoln, Montana Sep 10 14:13 2.9 14 MAP I Felt It
    USGS Lincoln, Montana Sep 06 13:39 3.1 15 MAP I Felt It INFO
    EMSC Western Montana Sep 06 13:39 3.4 18 MAP I Felt It
    USGS Lincoln, Montana Sep 06 13:36 2.5 12 MAP I Felt It
    USGS Lincoln, Montana Aug 30 06:25 2.9 13 MAP I Felt It
    USGS Lincoln, Montana Aug 28 12:04 2.8 12 MAP I Felt It
    USGS West Yellowstone, Montana Aug 27 19:47 2.8 11 MAP I Felt It
    USGS West Yellowstone, Montana Aug 27 19:47 2.7 8 MAP I Felt It
    USGS Lincoln, Montana Aug 27 04:11 2.6 12 MAP I Felt It
    USGS Lincoln, Montana Aug 24 11:01 2.6 14 MAP I Felt It
    USGS West Yellowstone, Montana Aug 21 03:00 3.2 9 MAP I Felt It

    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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