Observed earthquake
272 km ESE of Kamaishi, Japan
Recent observationReported by 1 agency. Every solution below is that agency's own measurement, stored unaltered.
Magnitude
7.7mwc
Depth
19 km
shallow
Origin time
2011-03-11 06:25:50 UTC
15 y ago
Epicentre
38.06°N, 144.59°E
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 | M7.7 mwc | 19 km | 2011-03-11 06:25:50 UTC | 38.06°N, 144.59°E | Reviewed by an analyst507 stations | usp000hvpg ↗ |
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-09-21 15:49:54 UTC
Felt reports
28 people submitted a felt report to United States Geological Survey · community intensity estimate 6.8 · instrumental intensity estimate 4.081.
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.