| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 45.1 km |
| Coordinates | 36.390, 141.208 |
| UTC time | 1963-03-21 04:00:11.650 |
Earthquake details
Thursday, March 21, 1963 Earthquake
The earthquake hit Japan on Thursday, March 21, 1963 at 04:00 UTC with a magnitude of 5.5. The closest known location in the current dataset is Hitachi (Japan - JP), about 55.1 km away. The epicenter is located at longitude 141.208 and latitude 36.390.
| Location | Iwaki |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1963-03-21
Closest countries
The 12 closest cities near the epicenter.
| Hitachi | 55.1 km |
| Funaishikawa | 58.1 km |
| Kitaibaraki | 60.3 km |
| Hitachi-Naka | 60.3 km |
| Katsuta | 60.5 km |
| Inada | 62.1 km |
| Hitachi-ota | 63.4 km |
| Hokota | 67.6 km |
| Mito | 68.1 km |
| Kashima-shi | 69.3 km |
| Okunoya | 71.9 km |
| Kamisu | 73.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
|
139.0 km |
|
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
|
133.0 km |
|
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
|
93.8 km |
|
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
|
120.3 km |
|
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
|
123.8 km |
|
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
|
35.8 km |
|
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
|
46.7 km |
|
M 4.0
Hitachiomiya
Japan · 2026-01-23 21:20 UTC
|
88.4 km |
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