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Minor mag. 2.7 earthquake - 58 mi northwest of Alaska City, Anchorage, Alaska, USA, on Friday, November 21, 2014 08:54:50

Minor magnitude 2.7 earthquake at 95 km depth

21 Nov 20:10 UTC: First to report: USGS after 2 hours and 15 minutes.

Earthquake details

Date & time	Nov 21, 2014 17:54:50 UTC
Local time at epicenter	Friday, November 21, 2014 08:54:50
Status	Confirmed
Magnitude	2.7
Depth	95.2 km
Epicenter latitude / longitude	61.7141°N / 151.3022°W (Matanuska-Susitna, Alaska, United States)
Antipode	61.714°S / 28.698°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hayes (60 km / 37 mi)
Nearby towns and cities	31 km (19 mi) S of Skwentna (pop: 37) \| Show on map \| Quakes nearby 67 km (41 mi) W of Willow Creek (pop: 2,100) \| Show on map \| Quakes nearby 74 km (46 mi) WNW of Big Lake (pop: 3,350) \| Show on map \| Quakes nearby 79 km (49 mi) W of Houston (pop: 2,210) \| Show on map \| Quakes nearby 91 km (56 mi) WSW of Susitna North (pop: 1,260) \| Show on map \| Quakes nearby 93 km (58 mi) NW of Alaska City (pop: 298,700) \| Show on map \| Quakes nearby 93 km (58 mi) WNW of Knik-Fairview (pop: 14,900) \| Show on map \| Quakes nearby 99 km (62 mi) W of Wasilla (pop: 9,280) \| Show on map \| Quakes nearby 102 km (63 mi) WNW of Eagle River (pop: 24,800) \| Show on map \| Quakes nearby 102 km (63 mi) WNW of Eagle River (Anchorage) (pop: 24,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	7.1 x 10⁸ joules (197 kilowatt hours, equivalent to 0.169 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
2.7	95 km	62km W of Willow, Alaska	USGS
3.2	79 km	SOUTHERN ALASKA	EMSC

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

Seismograms

Seismic station: Skwentna, AK, USA (SKN/AK network) | Distance from quake: 32 km / 20 mi | Show on map | Station Info

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

Seismic station Skwentna, AK, 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: Capps Glacier, Mount Spurr, Alaska (SPCG/AV network) | Distance from quake: 61 km / 38 mi | Show on map | Station Info

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

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

Seismic station Capps Glacier, 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: 115 km / 72 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: Homer Trailer, AK, USA (HOM/AK network) | Distance from quake: 230 km / 143 mi | Show on map | Station Info

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

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

Seismic station Homer Trailer, 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: Suckling Hills, AK, USA (SUCK/AK network) | Distance from quake: 446 km / 277 mi | Show on map | Station Info

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

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

Seismic station Suckling Hills, 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

User reports for this quake

At magnitude 2.7, this quake might have been felt very close to the epicenter and under calm conditions.

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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