M6.1 earthquake 12 km SSE of Odawara, Japan
A magnitude 6.1 earthquake struck 12 km SSE of Odawara, Japan on Sun, Sep 2, 1923, 10:09 PM JST (13:09 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M6.8 21 km SE of Shimoda, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1923-09-02 13:09:10 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 35.150° N, 139.205° 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
- ±0.36
- 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 3 in the 30 days before it.
After
- 5.97 km W of Miura, Japan · 37641 days ago · 15 km deep · 30 km away
- 6.821 km SE of Shimoda, Japan · 37618 days ago · 10 km deep · 69 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem911604. Read Tue, Sep 22, 2026, 10:25 PM UTC.