| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 14.0 km |
| Coordinates | 36.178, 141.863 |
| UTC time | 2021-08-04 04:40:25.422 |
Earthquake details
Wednesday, August 4, 2021 Earthquake
The earthquake hit Japan on Wednesday, August 4, 2021 at 04:40 UTC with a magnitude of 5.4. The closest known location in the current dataset is Hasaki (Japan - JP), about 105.1 km away. The epicenter is located at longitude 141.863 and latitude 36.178.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 2021-08-04
Closest countries
The 12 closest cities near the epicenter.
| Hasaki | 105.1 km |
| Kashima-shi | 112.1 km |
| Kamisu | 112.1 km |
| Hitachi | 118.4 km |
| Kitaibaraki | 120.5 km |
| Funaishikawa | 120.6 km |
| Asahi | 120.7 km |
| Hokota | 121.0 km |
| Katsuta | 121.4 km |
| Hitachi-Naka | 121.6 km |
| Inada | 124.0 km |
| Namegata | 124.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.7
Minami-Sōma
Japan · 2026-05-07 23:31 UTC
|
164.9 km |
|
M 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
|
190.1 km |
|
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
|
146.5 km |
|
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
|
125.4 km |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
161.8 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
131.5 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
92.3 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
106.9 km |
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