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Light mag. 3.0 earthquake - Wyoming, 17 mi northeast of West Yellowstone, Gallatin County, Montana, USA, on Saturday, Jul 30, 2022 at 1:44 am (GMT -6) -

Light mag. 3.0 earthquake - Wyoming, 17 mi northeast of West Yellowstone, Gallatin County, Montana, USA, on Saturday, Jul 30, 2022 at 1:44 am (GMT -6) Light mag. 3.0 earthquake - Wyoming, 17 mi northeast of West Yellowstone, Gallatin County, Montana, USA, on Saturday, Jul 30, 2022 at 1:44 am (GMT -6)

Light magnitude 3.0 earthquake at 8 km depth

30 Jul 07:49 UTC: First to report: USGS after 4 minutes.
30 Jul 13:08: Magnitude recalculated from 2.5 to 3.0. Hypocenter depth recalculated from 9.8 to 8.1 km (from 6.1 to 5 mi).

Earthquake details

Date & timeJul 30, 2022 07:44:55 UTC -
Local time at epicenterSaturday, Jul 30, 2022 at 1:44 am (GMT -6)
Depth8.1 km
Epicenter latitude / longitude44.7805°N / 110.8025°W (Park, Wyoming, United States)
Antipode44.781°S / 69.198°E
Shaking intensityWeak shaking
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoYellowstone (41 km / 25 mi)
Nearby towns and cities23 km (14 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
72 km (44 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
102 km (63 mi) S of Bozeman (Montana) (pop: 43,400) | Show on map | Quakes nearby
132 km (82 mi) NE of Rexburg (Madison County, Idaho) (pop: 27,700) | Show on map | Quakes nearby
176 km (109 mi) NNE of Idaho Falls (pop: 59,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 8.4°C (47 F), humidity: 78%, wind: 1 m/s (2 kts) from ESE
Estimated seismic energy released2 x 109 joules (554 kilowatt hours, equivalent to 0.477 tons of TNT) | about seismic energy
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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.
3.08.1 km23 Km SSW of Mammoth, WyomingUSGS
3.08.1 kmYellowstone Region, WyomingRaspberryShake


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)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Kamiah (437.7 km WNW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling : My husband and I woke up to our house vibrating/shaking early morning  

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