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

Strong mag. 5.0 earthquake - Tonkon Islands, 7.6 mi southwest of Mount Vernon, Skagit County, Washington, USA, on Saturday, January 26, 1957 at 01:16 GMT

Strong magnitude 5.0 earthquake at 0 km depth

Earthquake details

Date & time	Jan 26, 1957 01:16:06 UTC
Local time at epicenter
Status	Confirmed
Magnitude	5
Depth	0.0 km
Epicenter latitude / longitude	48.333°N / 122.433°W (Washington, United States)
Antipode	48.333°S / 57.567°E
Shaking intensity	Strong shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Mount Baker (67 km / 42 mi)
Nearby towns and cities	7 km (4 mi) W of Conway (pop: 91) \| Show on map \| Quakes nearby 12 km (8 mi) SW of Mount Vernon (Skagit County) (pop: 34,100) \| Show on map \| Quakes nearby 16 km (10 mi) ENE of Oak Harbor (Island County) (pop: 22,700) \| Show on map \| Quakes nearby 24 km (15 mi) SE of Anacortes (pop: 16,400) \| Show on map \| Quakes nearby 27 km (17 mi) WNW of Haller (pop: 18,900) \| Show on map \| Quakes nearby 37 km (23 mi) NNW of Marysville (pop: 66,800) \| Show on map \| Quakes nearby 43 km (27 mi) NNW of Everett (pop: 108,000) \| Show on map \| Quakes nearby 48 km (30 mi) S of Bellingham (pop: 85,100) \| Show on map \| Quakes nearby 81 km (50 mi) N of Seattle (pop: 684,500) \| Show on map \| Quakes nearby 82 km (51 mi) NNW of Bellevue (pop: 139,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2 x 10¹² joules (554 megawatt hours, equivalent to 477 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
5.0	0 km	Puget Sound region, Washington (USA)	USGS

Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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

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.

Aftershocks

[More info]

Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

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