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Weak mag. 3.4 earthquake - 9.9 mi northeast of Skwentna, Matanuska-Susitna, Alaska, USA, on Thursday, October 16, 2014 20:48:51

Weak magnitude 3.4 earthquake at 72 km depth

17 Oct 06:10 UTC: First to report: USGS after 1 hour and 21 minutes.

Earthquake details

Date & time	Oct 17, 2014 04:48:51 UTC
Local time at epicenter	Thursday, October 16, 2014 20:48:51
Status	Confirmed
Magnitude	3.4
Depth	71.6 km
Epicenter latitude / longitude	62.0803°N / 151.1612°W (Matanuska-Susitna, Alaska, United States)
Antipode	62.08°S / 28.839°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hayes (85 km / 53 mi)
Nearby towns and cities	16 km (10 mi) NE of Skwentna (pop: 37) \| Show on map \| Quakes nearby 69 km (43 mi) W of Susitna North (pop: 1,260) \| Show on map \| Quakes nearby 70 km (43 mi) WNW of Willow Creek (pop: 2,100) \| Show on map \| Quakes nearby 86 km (54 mi) NW of Houston (pop: 2,210) \| Show on map \| Quakes nearby 89 km (55 mi) NW of Big Lake (pop: 3,350) \| Show on map \| Quakes nearby 96 km (60 mi) WNW of Meadow Lakes (pop: 7,570) \| Show on map \| Quakes nearby 104 km (64 mi) NW of Knik-Fairview (pop: 14,900) \| Show on map \| Quakes nearby 117 km (73 mi) NW of Alaska City (pop: 298,700) \| Show on map \| Quakes nearby 119 km (74 mi) NW of Eagle River (pop: 24,800) \| Show on map \| Quakes nearby 119 km (74 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	72 km	61km 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: 22 km / 14 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: 59 km / 37 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: Rabbit Creek, AK, USA (RC01/AK network) | Distance from quake: 133 km / 83 mi | Show on map | Station Info

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

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

Seismic station Rabbit Creek, 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: Iliamna Volcano, Alaska (ILCB/AV network) | Distance from quake: 270 km / 168 mi | Show on map | Station Info

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

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

Seismic station Iliamna Volcano, 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: Old Harbor, Alaska (OHAK/AT network) | Distance from quake: 553 km / 344 mi | Show on map | Station Info

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

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

Seismic station Old Harbor, 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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