M 8.2 - 2021 Chignik, Alaska Earthquake
July 29, 2021 at 06:15:49 UTC
Depth: 35.00 km (Shallow)
Great
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 8.2 mww |
| Depth | 35.00 km (Shallow) |
| Location | 55.3635N, 157.8876W |
| Community Intensity | IX (Violent) |
| Mercalli Intensity | VII (Very Strong) |
| Felt Reports (DYFI) | 511 people |
| Alert Level (PAGER) | Yellow — Some damage possible, fatalities unlikely |
| Tsunami Warning | Yes |
| Significance | 1499 / 3000 |
| Status | Reviewed |
| Network | ak |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What does magnitude 8.2 mean?
A magnitude 8.2 earthquake is classified as "Great". Great earthquakes can cause devastating damage over very large areas.
How deep was this earthquake?
This earthquake occurred at a depth of 35.00 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface.
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Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.