M3.3 Earthquake 21 km S of Petersville, Alaska — April 17, 2026
2026-04-17 01:27:21 UTC (4 days ago)
On April 17, 2026 at 01:27 UTC, a magnitude 3.3 intermediate depth earthquake struck 21 km S of Petersville, Alaska, at a depth of 73.6 km and coordinates 62.3050°, -150.8250°.
Earthquake Details
-150.8250°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.3 earthquake near Petersville, Alaska?
The magnitude 3.3 earthquake that struck 21 km S of Petersville, Alaska on April 17, 2026 at 01:27 UTC had a depth of 73.6 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 3.3 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 3.3 earthquakes are typically only recorded by instruments.