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Minor mag. 0.3 earthquake - 23 Km SSW of Mammoth, Wyoming, on Monday, Oct 3, 2022 at 6:11 am (GMT -6) -

Minor magnitude 0.3 earthquake at 3 km depth

3 Oct 13:46 UTC: First to report: IRIS after 1 hour and 34 minutes.
3 Oct 13:46: Now using data updates from USGS

Earthquake details

Date & time	Oct 3, 2022 12:11:50 UTC -
Local time at epicenter	Monday, Oct 3, 2022 at 6:11 am (GMT -6)
Status	Confirmed
Magnitude	0.3
Depth	3.2 km
Epicenter latitude / longitude	44.78283°N / 110.807°W (Wyoming, United States)
Antipode	44.783°S / 69.193°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Yellowstone (41 km / 25 mi)
Nearby towns and cities	23 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 71 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 96 km (60 mi) SE of Ennis (Montana) (pop: 884) \| Show on map \| Quakes nearby 100 km (62 mi) S of Livingston (Park County, Montana) (pop: 7,300) \| Show on map \| Quakes nearby 101 km (63 mi) S of Bozeman (Montana) (pop: 43,400) \| Show on map \| Quakes nearby 114 km (71 mi) NE of Saint Anthony (Idaho) (pop: 3,540) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.8 x 10⁵ joules (0.049 kilowatt hours) \| 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.

Mag.	Depth	Location	Source
0.3	3.2 km	23 Km SSW of Mammoth, Wyoming	USGS
0.3	10 km	Yellowstone Region, Wyoming	IRIS
0.3	3.2 km	Yellowstone Region, Wyoming	RaspberryShake

Most recent quakes Top 20 past 24 hrs Quakes in the US Wyoming

Seismograms

Seismic station: Bozeman, Montana, USA (BOZ/US network) | Distance from quake: 111 km / 69 mi | Show on map | Station Info

Seismic station Bozeman, Montana, 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Bozeman, Montana, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Bozeman, Montana, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Moose Ponds, Wyoming, USA (MOOW/IW network) | Distance from quake: 115 km / 72 mi | Show on map | Station Info

Seismic station Moose Ponds, Wyoming, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Moose Ponds, Wyoming, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Moose Ponds, Wyoming, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Red Lodge, Montana, USA (RLMT/US network) | Distance from quake: 127 km / 79 mi | Show on map | Station Info

Seismic station Red Lodge, Montana, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Red Lodge, Montana, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Red Lodge, Montana, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Long Hollow, Wyoming USA (LOHW/IW network) | Distance from quake: 131 km / 81 mi | Show on map | Station Info

Seismic station Long Hollow, Wyoming USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Long Hollow, Wyoming USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Long Hollow, Wyoming USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Teton Pass, Wyoming, USA (TPAW/IW network) | Distance from quake: 144 km / 90 mi | Show on map | Station Info

Seismic station Teton Pass, Wyoming, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Teton Pass, Wyoming, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Teton Pass, Wyoming, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 0.3, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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