M5.8 earthquake 114 km SE of Koshima, Japan
A magnitude 5.8 earthquake struck 114 km SE of Koshima, Japan on Wed, Jul 19, 1961, 8:58 PM JST (11:58 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M5.8 123 km SE of Nishinoomote, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1961-07-19 11:58:46 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 29.646° N, 131.516° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.38
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.8123 km SE of Nishinoomote, Japan · 23803 days ago · 20 km deep · 34 km away
- 5.7123 km SE of Nishinoomote, Japan · 23803 days ago · 20 km deep · 38 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem877010. Read Tue, Sep 22, 2026, 5:39 AM UTC.