M3.1 Earthquake 244 km ESE of Chiniak, Alaska — April 18, 2026
2026-04-18 07:08:48 UTC (3 days ago)
On April 18, 2026 at 07:08 UTC, a magnitude 3.1 shallow crustal earthquake struck 244 km ESE of Chiniak, Alaska, at a depth of 20.9 km and coordinates 56.4640°, -148.8430°.
Earthquake Details
-148.8430°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.1 earthquake near Chiniak, Alaska?
The magnitude 3.1 earthquake that struck 244 km ESE of Chiniak, Alaska on April 18, 2026 at 07:08 UTC had a depth of 20.9 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.1 earthquakes can continue for several days and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
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Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.