Observed earthquake
Rat Islands, Aleutian Islands, Alaska
Recent observationReported by 1 agency. Every solution below is that agency's own measurement, stored unaltered.
Magnitude
7.9mww
Depth
109 km
intermediate
Origin time
2014-06-23 20:53:09 UTC
12 y ago
Epicentre
51.85°N, 178.74°E
A reporting agency set the tsunami evaluation flag for this earthquake. That flag means the event met criteria for tsunami assessment — it is not itself a tsunami warning. Official tsunami warnings come only from your national tsunami warning centre.
Agency solutions
The same earthquake as measured independently by each agency. Values are never averaged or rewritten.
| Agency | Magnitude | Depth | Origin time | Epicentre | Review status | Source record |
|---|---|---|---|---|---|---|
| USGSUnited States Geological Survey | M7.9 mww | 109 km | 2014-06-23 20:53:09 UTC | 51.85°N, 178.74°E | Reviewed by an analyst | usc000rki5 ↗ |
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-09-21 15:50:39 UTC
Felt reports
5 people submitted a felt report to United States Geological Survey · community intensity estimate 5.8 · instrumental intensity estimate 8.1.
Felt reports are crowd-sourced and reflect where people had internet access and chose to respond. They are not a complete map of who felt the earthquake.