M4.5 earthquake 98 km SE of Koshima, Japan
A magnitude 4.5 earthquake struck 98 km SE of Koshima, Japan on Sun, Apr 30, 1978, 4:24 PM JST (07:24 UTC), 19 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1978-04-30 07:24:20 UTC
- Depth
- 19.0 km (11.8 mi), shallow
- Epicenter
- 29.616° N, 131.269° 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.
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ub6. Read Thu, Oct 1, 2026, 10:46 AM UTC.