M 7.8 - 140 km E of Petropavlovsk-Kamchatsky, Russia
September 18, 2025 at 18:58:14 UTC
Depth: 27.00 km (Shallow)
Major
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 7.8 mww |
| Depth | 27.00 km (Shallow) |
| Location | 53.1426N, 160.7206E |
| Community Intensity | VIII (Severe) |
| Mercalli Intensity | VIII (Severe) |
| Felt Reports (DYFI) | 26 people |
| Alert Level (PAGER) | Orange — Significant damage and casualties likely |
| Tsunami Warning | Yes |
| Significance | 1021 / 3000 |
| Status | Reviewed |
| Network | us |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What does magnitude 7.8 mean?
A magnitude 7.8 earthquake is classified as "Major". Major earthquakes can cause serious damage over large areas.
How deep was this earthquake?
This earthquake occurred at a depth of 27.00 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.