Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Minor mag. 3.1 earthquake - 14 mi south of Skwentna, Matanuska-Susitna, Alaska, USA, on Wednesday, January 07, 2015 04:46:41

Minor magnitude 3.1 earthquake at 84 km depth

7 Jan 15:10 UTC: First to report: USGS after 1 hour and 23 minutes.

Earthquake details

Date & time	Jan 7, 2015 13:46:41 UTC
Local time at epicenter	Wednesday, January 07, 2015 04:46:41
Status	Confirmed
Magnitude	3.1
Depth	84.0 km
Epicenter latitude / longitude	61.7899°N / 151.5163°W (Matanuska-Susitna, Alaska, United States)
Antipode	61.79°S / 28.484°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hayes (52 km / 32 mi)
Nearby towns and cities	23 km (14 mi) SSW of Skwentna (pop: 37) \| Show on map \| Quakes nearby 78 km (48 mi) W of Willow Creek (pop: 2,100) \| Show on map \| Quakes nearby 88 km (55 mi) WNW of Big Lake (pop: 3,350) \| Show on map \| Quakes nearby 91 km (57 mi) W of Houston (pop: 2,210) \| Show on map \| Quakes nearby 96 km (60 mi) WSW of Susitna North (pop: 1,260) \| Show on map \| Quakes nearby 103 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 107 km (66 mi) NW of Alaska City (pop: 298,700) \| Show on map \| Quakes nearby 116 km (72 mi) WNW of Eagle River (pop: 24,800) \| Show on map \| Quakes nearby 116 km (72 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	2.8 x 10⁹ joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) \| about seismic energy

Show interactive Map

[smaller] [bigger]

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
3.1	84 km	78km W of Willow, 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: 21 km / 13 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

Show less

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: 62 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: 128 km / 79 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: China Poot, AK, USA (CNP/AK network) | Distance from quake: 252 km / 157 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: Edge Creek, AK, USA (M27K/AK network) | Distance from quake: 505 km / 314 mi | Show on map | Station Info

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

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

Seismic station Edge 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

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.

Earlier earthquakes in the same area

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Design upgrade
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes