M4.6 earthquake 7 km NE of Machida, Japan
A magnitude 4.6 earthquake struck 7 km NE of Machida, Japan on Mon, Jun 18, 1979, 4:09 PM JST (07:09 UTC), 138 km (86 mi) below the surface.
A larger quake followed: M4.7 4 km ESE of Sakai, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1979-06-18 07:09:51 UTC
- Depth
- 138.0 km (85.7 mi), intermediate-depth
- Epicenter
- 35.590° N, 139.504° 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
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.74 km ESE of Sakai, Japan · 17258 days ago · 64 km deep · 63 km away
- 3.57 km WSW of Tsukuba, Japan · 17233 days ago · 62 km deep · 81 km away
- 3.95 km NNW of Miura, Japan · 17230 days ago · 35 km deep · 45 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00011d9. Read Thu, Oct 1, 2026, 6:40 AM UTC.