How strong was the 81 km S of McCarthy, Alaska earthquake?
Magnitude 3.3 (ml), minor – felt by people near the epicenter. Depth 5 km. Strongest estimated shaking: intensity 3.6 on the Modified Mercalli scale.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
4 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.2.
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Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.
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M3.3 earthquake 81 km S of McCarthy, Alaska — 77.today