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Minor mag. 2.7 earthquake - 68 mi west of Alaska City, Anchorage, Alaska, USA, on Saturday, October 04, 2014 01:06:24

This quake was likely an aftershock of the 6.2 quake 13 mi west of Skwentna, Matanuska-Susitna, Alaska, USA, Thursday, September 25, 2014 09:51:17, which had occurred 9 days earlier.

Minor mag. 2.7 earthquake - 68 mi west of Alaska City, Anchorage, Alaska, USA, on Saturday, October 04, 2014 01:06:24

Minor magnitude 2.7 earthquake at 103 km depth

4 Oct 10:10 UTC: First to report: USGS after 1 hour and 4 minutes.

Earthquake details

Date & time	Oct 4, 2014 09:06:24 UTC
Local time at epicenter	Saturday, October 04, 2014 01:06:24
Status	Confirmed
Magnitude	2.7
Depth	102.6 km
Epicenter latitude / longitude	61.556°N / 151.8226°W (Matanuska-Susitna, Alaska, United States)
Antipode	61.556°S / 28.177°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hayes (32 km / 20 mi)
Nearby towns and cities	53 km (33 mi) SSW of Skwentna (pop: 37) \| Show on map \| Quakes nearby 65 km (41 mi) NW of Tyonek (pop: 171) \| Show on map \| Quakes nearby 69 km (43 mi) W of Susitna (pop: 18) \| Show on map \| Quakes nearby 97 km (60 mi) WSW of Willow Creek (pop: 2,100) \| Show on map \| Quakes nearby 99 km (62 mi) W of Big Lake (pop: 3,350) \| Show on map \| Quakes nearby 100 km (62 mi) WNW of Point MacKenzie (pop: 529) \| Show on map \| Quakes nearby 100 km (62 mi) NNW of Nikiski (pop: 4,490) \| Show on map \| Quakes nearby 124 km (77 mi) SW of Talkeetna (pop: 876) \| Show on map \| Quakes nearby 134 km (83 mi) SW of Chase (pop: 34) \| 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

Show interactive Map

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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	103 km	96km WSW 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: 6 km / 4 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: 44 km / 27 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: Redoubt, Alaska (RDT/AV network) | Distance from quake: 114 km / 71 mi | Show on map | Station Info

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

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

Seismic station Redoubt, 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: Kantishna Hills, AK, USA (KTH/AK network) | Distance from quake: 227 km / 141 mi | Show on map | Station Info

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

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

Seismic station Kantishna 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

Seismic station: Mentasta, Alaska (MENT/AT network) | Distance from quake: 446 km / 277 mi | Show on map | Station Info

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

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

Seismic station Mentasta, 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

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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