M4.9 earthquake 64 km S of Hirara, Japan
A magnitude 4.9 earthquake struck 64 km S of Hirara, Japan on Sun, Oct 6, 1985, 10:00 AM JST (01:00 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M5.7 74 km S of Hirara, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-10-06 01:00:57 UTC
- Depth
- 43.3 km (26.9 mi), shallow
- Epicenter
- 24.233° N, 125.191° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.539 km WSW of Hirara, Japan · 14923 days ago · 38 km deep · 52 km away
- 5.277 km S of Hirara, Japan · 14919 days ago · 30 km deep · 13 km away
- 4.578 km S of Hirara, Japan · 14919 days ago · 33 km deep · 20 km away
- 5.774 km S of Hirara, Japan · 14919 days ago · 21 km deep · 11 km away
- 5.0southwestern Ryukyu Islands, Japan · 14919 days ago · 35 km deep · 11 km away
- 5.066 km S of Hirara, Japan · 14919 days ago · 43 km deep · 5 km away
- 4.476 km S of Hirara, Japan · 14918 days ago · 49 km deep · 12 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002kh5. Read Thu, Oct 1, 2026, 6:21 PM UTC.