| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 43.2 km |
| Coordinates | 33.933, 141.333 |
| UTC time | 1984-09-19 01:20:55.860 |
Earthquake details
Wednesday, September 19, 1984 Earthquake
The earthquake hit Japan on Wednesday, September 19, 1984 at 01:20 UTC with a magnitude of 5.7. The closest known location in the current dataset is Isumi (Japan - JP), about 167.6 km away. The epicenter is located at longitude 141.333 and latitude 33.933.
| Location | Mobara |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1984-09-19
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
|
239.2 km |
|
M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
269.5 km |
|
M 4.1
Fujisawa
Japan · 2026-03-28 10:36 UTC
|
216.9 km |
|
M 4.4
Kamisu
Japan · 2026-02-26 11:55 UTC
|
161.6 km |
|
M 4.4
Isumi
Japan · 2026-02-19 08:24 UTC
|
162.4 km |
|
M 4.0
Kisarazu
Japan · 2026-02-10 16:12 UTC
|
112.6 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
273.2 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
200.3 km |
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.