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Weak mag. 3.4 earthquake - 10.6 mi east of Skwentna, Matanuska-Susitna, Alaska, USA, on Saturday, October 25, 2014 00:13:07

Weak magnitude 3.4 earthquake at 66 km depth

25 Oct 10:10 UTC: First to report: USGS after 1 hour and 57 minutes.

Earthquake details

Date & time	Oct 25, 2014 08:13:07 UTC
Local time at epicenter	Saturday, October 25, 2014 00:13:07
Status	Confirmed
Magnitude	3.4
Depth	66.2 km
Epicenter latitude / longitude	62.0177°N / 151.0765°W (Matanuska-Susitna, Alaska, United States)
Antipode	62.018°S / 28.924°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hayes (84 km / 52 mi)
Nearby towns and cities	17 km (11 mi) E of Skwentna (pop: 37) \| Show on map \| Quakes nearby 62 km (39 mi) WNW of Willow Creek (pop: 2,100) \| Show on map \| Quakes nearby 66 km (41 mi) WSW of Susitna North (pop: 1,260) \| Show on map \| Quakes nearby 79 km (49 mi) WNW of Houston (pop: 2,210) \| Show on map \| Quakes nearby 81 km (50 mi) NW of Big Lake (pop: 3,350) \| Show on map \| Quakes nearby 89 km (55 mi) WNW of Meadow Lakes (pop: 7,570) \| Show on map \| Quakes nearby 96 km (60 mi) NW of Knik-Fairview (pop: 14,900) \| Show on map \| Quakes nearby 109 km (67 mi) NW of Alaska City (pop: 298,700) \| Show on map \| Quakes nearby 111 km (69 mi) NW of Eagle River (pop: 24,800) \| Show on map \| Quakes nearby 111 km (69 mi) NW of Eagle River (Anchorage) (pop: 24,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	7.9 x 10⁹ joules (2.21 megawatt hours, equivalent to 1.9 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
3.4	66 km	60km WSW of Talkeetna, Alaska	USGS

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: 24 km / 15 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: Chulitna, AK, USA (CUT/AK network) | Distance from quake: 60 km / 38 mi | Show on map | Station Info

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

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

Seismic station Chulitna, 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: Captain Cook Nikiski, AK, USA (CAPN/AK network) | Distance from quake: 139 km / 86 mi | Show on map | Station Info

Seismic station Captain Cook Nikiski, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Captain Cook Nikiski, 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: China Poot, AK, USA (CNP/AK network) | Distance from quake: 277 km / 172 mi | Show on map | Station Info

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

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

Seismic station China Poot, 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: Mt. Peulik Volcano 5, Alaska (PLK5/AV network) | Distance from quake: 551 km / 342 mi | Show on map | Station Info

Seismic station Mt. Peulik Volcano 5, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Mt. Peulik Volcano 5, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mt. Peulik Volcano 5, 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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