| 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 4.2
Hitachi
Japan · 2026-08-07 18:41 UTC
60.0 km
M 4.4
Iwaki
Japan · 2026-07-22 11:11 UTC
98.6 km
M 4.3
Iwaki
Japan · 2026-06-18 22:33 UTC
118.6 km
M 4.3
Shirakawa
Japan · 2026-06-01 15:51 UTC
97.8 km
M 4.2
Hitachi
Japan · 2026-05-24 06:08 UTC
72.5 km
M 4.1
Mito
Japan · 2026-05-22 12:39 UTC
75.6 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
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