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

Moderate mag. 3.9 earthquake - 108 mi northwest of Alaska City, Anchorage, Alaska, USA, on Monday, Sep 19, 2022 at 12:26 am (GMT -8) -

Moderate magnitude 3.9 earthquake at 10 km depth

19 Sep 09:08 UTC: First to report: EMSC after 41 minutes.

Earthquake details

Date & time	Sep 19, 2022 08:26:57 UTC -
Local time at epicenter	Monday, Sep 19, 2022 at 12:26 am (GMT -8)
Status	Confirmed
Magnitude	3.9
Depth	10.0 km
Epicenter latitude / longitude	62.61°N / 151.39°W (Matanuska-Susitna, Alaska, United States)
Antipode	62.61°S / 28.61°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	EMSC (European-Mediterranean Seismological Centre)
Nearest volcano	Hayes (125 km / 78 mi)
Nearby towns and cities	68 km (42 mi) WNW of Trapper Creek (pop: 481) \| Show on map \| Quakes nearby 94 km (58 mi) WNW of Susitna North (pop: 1,260) \| Show on map \| Quakes nearby 153 km (95 mi) NW of Wasilla (pop: 9,280) \| Show on map \| Quakes nearby 154 km (95 mi) NW of Knik-Fairview (pop: 14,900) \| Show on map \| Quakes nearby 163 km (101 mi) NW of Palmer (pop: 6,790) \| Show on map \| Quakes nearby 172 km (107 mi) NNW of Eagle River (pop: 24,800) \| Show on map \| Quakes nearby 172 km (107 mi) NNW of Eagle River (Anchorage) (pop: 24,800) \| Show on map \| Quakes nearby 173 km (108 mi) NNW of Alaska City (pop: 298,700) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Light Snow -0.3°C (31 F), humidity: 97%, wind: 2 m/s (3 kts) from NE
Estimated seismic energy released	4.5 x 10¹⁰ joules (12.4 megawatt hours, equivalent to 10.7 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
3.9	10 km	CENTRAL ALASKA	EMSC

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

Seismograms

Seismic station: Chulitna, AK, USA (CUT/AK network) | Distance from quake: 62 km / 39 mi | Show on map | Station Info

Seismic station Chulitna, 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. Bandpass filter applied: 0.5-10.0 Hz. 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