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Minor mag. 1.9 earthquake - Wyoming, 17 mi northeast of West Yellowstone, Gallatin County, Montana, USA, on Thursday, Sep 22, 2022 at 7:57 pm (GMT -6) -

Minor mag. 1.9 earthquake - Wyoming, 17 mi northeast of West Yellowstone, Gallatin County, Montana, USA, on Thursday, Sep 22, 2022 at 7:57 pm (GMT -6) Minor mag. 1.9 earthquake - Wyoming, 17 mi northeast of West Yellowstone, Gallatin County, Montana, USA, on Thursday, Sep 22, 2022 at 7:57 pm (GMT -6)

Minor magnitude 1.9 earthquake at 7 km depth

23 Sep 15:52 UTC: First to report: RaspberryShake after 14 hours.

Earthquake details

Date & timeSep 23, 2022 01:57:45 UTC -
Local time at epicenterThursday, Sep 22, 2022 at 7:57 pm (GMT -6)
StatusConfirmed
Magnitude1.9
Depth6.7 km
Epicenter latitude / longitude44.77833°N / 110.802°W (Park, Wyoming, United States)
Antipode44.778°S / 69.198°E
Shaking intensityWeak shaking
Felt1 report
Primary data sourceRaspberryShake (RaspberryShake)
Nearest volcanoYellowstone (40 km / 25 mi)
Nearby towns and cities23 km (15 mi) SSW of Mammoth (pop: 263) | Show on map | Quakes nearby
27 km (17 mi) ENE of West Yellowstone (Montana) (pop: 1,340) | Show on map | Quakes nearby
31 km (19 mi) E of Hebgen Lake Estates (Montana) (pop: 70) | Show on map | Quakes nearby
35 km (22 mi) SSW of Jardine (Montana) (pop: 57) | Show on map | Quakes nearby
72 km (45 mi) SE of Big Sky (Montana) (pop: 2,310) | Show on map | Quakes nearby
94 km (58 mi) NNE of Ashton (Idaho) (pop: 1,050) | Show on map | Quakes nearby
100 km (62 mi) S of Livingston (Park County, Montana) (pop: 7,300) | Show on map | Quakes nearby
114 km (71 mi) NE of Saint Anthony (Idaho) (pop: 3,540) | Show on map | Quakes nearby
Estimated seismic energy released4.5 x 107 joules (12.4 kilowatt hours) | about seismic energy
Show interactive Map
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
1.96.7 kmYellowstone Region, WyomingRaspberryShake

Seismograms

Seismic station: Flagg Ranch, Wyoming, USA (FLWY/IW network) | Distance from quake: 78 km / 48 mi | Show on map | Station Info
Seismic station Flagg Ranch, Wyoming, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

At magnitude 1.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Translate
West Yellowstone / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s

Earlier earthquakes in the same area

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