M4.2 earthquake 4 km S of Moriguchi, Japan
A magnitude 4.2 earthquake struck 4 km S of Moriguchi, Japan on Tue, Mar 5, 1985, 10:41 PM JST (13:41 UTC), 139 km (86 mi) below the surface.
A larger quake followed: M5.0 13 km NNE of Tanabe, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 1985-03-05 13:41:21 UTC
- Depth
- 139.1 km (86.4 mi), intermediate-depth
- Epicenter
- 34.690° N, 135.561° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.013 km NNE of Tanabe, Japan · 15131 days ago · 28 km deep · 95 km away
- 4.48 km SW of Minato, Japan · 15128 days ago · 12 km deep · 73 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002cfs. Read Tue, Sep 29, 2026, 5:52 PM UTC.