Skip to content
Loading seismic data…
Back to Global map
Great
M
7.0
90 km SSE of Honchō, Japan
Historical event · Mon, 02 Aug 1971 07:24:58 GMT
Peak Ground Motion
MMI 5.9
View ShakeMap →
Depth
50 km
Time (UTC)
07:24
Date
1971-08-02
Latitude
41.413°
Longitude
143.432°
Source
USGS
View official report
M7.0 · 90 km SSE of Honchō, Japan · Was That A Quake?