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Minor mag. 3.2 earthquake - 20 mi south of Skwentna, Matanuska-Susitna, Alaska, USA, on Thursday, March 05, 2015 12:03:11

Minor magnitude 3.2 earthquake at 92 km depth

6 Mar 00:10 UTC: First to report: USGS after 3 hours.

Earthquake details

Date & time	Mar 5, 2015 21:03:11 UTC
Local time at epicenter	Thursday, March 05, 2015 12:03:11
Status	Confirmed
Magnitude	3.2
Depth	91.8 km
Epicenter latitude / longitude	61.7066°N / 151.5587°W (Matanuska-Susitna, Alaska, United States)
Antipode	61.707°S / 28.441°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hayes (47 km / 29 mi)
Nearby towns and cities	33 km (20 mi) SSW of Skwentna (pop: 37) \| Show on map \| Quakes nearby 80 km (50 mi) W of Willow Creek (pop: 2,100) \| Show on map \| Quakes nearby 87 km (54 mi) WNW of Big Lake (pop: 3,350) \| Show on map \| Quakes nearby 92 km (57 mi) W of Houston (pop: 2,210) \| Show on map \| Quakes nearby 104 km (64 mi) WNW of Alaska City (pop: 298,700) \| Show on map \| Quakes nearby 104 km (64 mi) W of Meadow Lakes (pop: 7,570) \| Show on map \| Quakes nearby 106 km (66 mi) WNW of Knik-Fairview (pop: 14,900) \| Show on map \| Quakes nearby 114 km (71 mi) WNW of Eagle River (pop: 24,800) \| Show on map \| Quakes nearby 114 km (71 mi) WNW of Eagle River (Anchorage) (pop: 24,800) \| Show on map \| Quakes nearby 119 km (74 mi) W of Lakes (pop: 8,360) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	4 x 10⁹ joules (1.11 megawatt hours, equivalent to 0.951 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.

Mag.	Depth	Location	Source
3.2	92 km	80km W of Willow, Alaska	USGS

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

Seismograms

Seismic station: Strandline Lake, Regional Station, Alaska (STLK/AV network) | Distance from quake: 27 km / 17 mi | Show on map | Station Info

Seismic station Strandline Lake, Regional Station, Alaska: 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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Seismic station Strandline Lake, Regional Station, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Strandline Lake, Regional Station, Alaska: 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: Mount Spurr, Mount Spurr, Alaska (SPU/AV network) | Distance from quake: 64 km / 40 mi | Show on map | Station Info

Seismic station Mount Spurr, Mount Spurr, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Mount Spurr, Mount Spurr, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mount Spurr, Mount Spurr, Alaska: 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: Palmer, Alaska (PMR/AT network) | Distance from quake: 129 km / 80 mi | Show on map | Station Info

Seismic station Palmer, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Palmer, Alaska: 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: McKinley Park, AK, USA (MCK/AK network) | Distance from quake: 262 km / 163 mi | Show on map | Station Info

Seismic station McKinley Park, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station McKinley Park, AK, 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: Peulik Volcano 1, Alaska (PLK1/AV network) | Distance from quake: 518 km / 322 mi | Show on map | Station Info

Seismic station Peulik Volcano 1, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Peulik Volcano 1, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Peulik Volcano 1, Alaska: 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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