M4.5 earthquake 198 km SSE of Tateyama, Japan
A magnitude 4.5 earthquake struck 198 km SSE of Tateyama, Japan on Thu, Dec 6, 1973, 7:29 PM JST (10:29 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M5.6 196 km SSE of Tateyama, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1973-12-06 10:29:56 UTC
- Depth
- 58.0 km (36.0 mi), shallow
- Epicenter
- 33.421° N, 140.924° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4172 km SE of Katsuura, Japan · 19264 days ago · 33 km deep · 81 km away
- 5.6196 km SSE of Tateyama, Japan · 19263 days ago · 63 km deep · 9 km away
- 4.0230 km SSE of Tateyama, Japan · 19262 days ago · 33 km deep · 35 km away
- 3.8219 km SSE of Tateyama, Japan · 19251 days ago · 53 km deep · 34 km away
- 4.1202 km SSE of Tateyama, Japan · 19248 days ago · 52 km deep · 9 km away
- 4.1185 km SSE of Katsuura, Japan · 19245 days ago · 33 km deep · 22 km away
- 4.4241 km SSE of Tateyama, Japan · 19238 days ago · 33 km deep · 44 km away
- 3.7159 km SSE of Tateyama, Japan · 19231 days ago · 33 km deep · 41 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00004f1. Read Tue, Sep 22, 2026, 10:33 PM UTC.