Earthquakes in Japan in October 2026
43 earthquakes reported by the Japan Meteorological Agency between October 1, 2026 and October 5, 2026 (JST). Strongest intensity: 3; largest magnitude: M5.1.
Last updated:
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Earthquakes43
Strongest intensity3
Largest magnitudeM5.1
Intensity 3 or higher3
Earthquakes per day
By maximum intensity
| Max. intensity | Events |
|---|---|
| 3 | 3 |
| 2 | 11 |
| 1 | 29 |
Largest by magnitude
| Time (JST) | Epicenter region | Magnitude | Max. intensity |
|---|---|---|---|
| Oct 1, 2026 21:27 | Northeastern Chiba Prefecture | M5.1 | 3 |
| Oct 2, 2026 02:17 | Off the Coast of Sanriku | M5.0 | 2 |
| Oct 5, 2026 22:31 | Off the northwest Coast of Ishigakijima Island | M4.6 | 1 |
| Oct 3, 2026 15:05 | Off the northeast Coast of Amami-Oshima Island | M4.5 | 1 |
| Oct 3, 2026 05:34 | Off the Coast of Sanriku | M4.3 | 2 |
| Oct 2, 2026 06:01 | Southern Ibaraki Prefecture | M3.9 | 2 |
| Oct 3, 2026 09:11 | Kagoshima Bay | M3.9 | 1 |
| Oct 4, 2026 08:45 | Adjacent Sea of Miyakojima Island | M3.9 | 2 |
| Oct 5, 2026 08:39 | Adjacent Sea of Tokara Islands | M3.8 | 1 |
| Oct 1, 2026 21:31 | Northeastern Chiba Prefecture | M3.6 | 1 |
Full list
| Time (JST) | Epicenter region | Magnitude | Max. intensity |
|---|---|---|---|
| Oct 5, 2026 22:31 | Off the northwest Coast of Ishigakijima Island | M4.6 | 1 |
| Oct 5, 2026 21:09 | Central Nagano Prefecture | M2.0 | 1 |
| Oct 5, 2026 19:27 | Nanyo, Ehime Prefecture | M3.1 | 1 |
| Oct 5, 2026 12:39 | Satsuma Region, Kagoshima Prefecture | M2.0 | 1 |
| Oct 5, 2026 09:18 | Kumamoto Region, Kumamoto Prefecture | M2.6 | 1 |
| Oct 5, 2026 08:39 | Adjacent Sea of Tokara Islands | M3.8 | 1 |
| Oct 5, 2026 07:28 | Western Kagawa Prefecture | M3.0 | 1 |
| Oct 5, 2026 05:02 | Harimanada Sea | M2.5 | 1 |
| Oct 4, 2026 20:56 | Off the Coast of Iwate Prefecture | M3.4 | 1 |
| Oct 4, 2026 20:03 | Amakusa and Ashikita Region, Kumamoto Prefecture | M2.8 | 1 |
| Oct 4, 2026 13:19 | Adjacent Sea of Izu-Oshima Island | M2.1 | 1 |
| Oct 4, 2026 11:36 | Amakusa and Ashikita Region, Kumamoto Prefecture | M2.1 | 1 |
| Oct 4, 2026 09:52 | Noto, Ishikawa Prefecture | M2.9 | 1 |
| Oct 4, 2026 08:58 | Kumamoto Region, Kumamoto Prefecture | M2.4 | 1 |
| Oct 4, 2026 08:45 | Adjacent Sea of Miyakojima Island | M3.9 | 2 |
| Oct 4, 2026 03:40 | Plain Area of Northern Miyazaki Prefecture | M2.8 | 1 |
| Oct 3, 2026 17:17 | Kumamoto Region, Kumamoto Prefecture | M2.8 | 2 |
| Oct 3, 2026 15:21 | Kumamoto Region, Kumamoto Prefecture | M2.8 | 1 |
| Oct 3, 2026 15:08 | Amakusa and Ashikita Region, Kumamoto Prefecture | M2.8 | 1 |
| Oct 3, 2026 15:05 | Off the northeast Coast of Amami-Oshima Island | M4.5 | 1 |
| Oct 3, 2026 13:26 | Amakusa and Ashikita Region, Kumamoto Prefecture | M3.5 | 2 |
| Oct 3, 2026 13:24 | Amakusa and Ashikita Region, Kumamoto Prefecture | M3.0 | 2 |
| Oct 3, 2026 09:11 | Kagoshima Bay | M3.9 | 1 |
| Oct 3, 2026 06:41 | Amakusa and Ashikita Region, Kumamoto Prefecture | M2.4 | 1 |
| Oct 3, 2026 05:34 | Off the Coast of Sanriku | M4.3 | 2 |
| Oct 3, 2026 04:11 | Kumamoto Region, Kumamoto Prefecture | M2.4 | 1 |
| Oct 3, 2026 03:17 | Kumamoto Region, Kumamoto Prefecture | M2.8 | 2 |
| Oct 2, 2026 17:39 | Kumamoto Region, Kumamoto Prefecture | M3.1 | 3 |
| Oct 2, 2026 15:41 | Amakusa and Ashikita Region, Kumamoto Prefecture | M3.5 | 2 |
| Oct 2, 2026 14:54 | Kumamoto Region, Kumamoto Prefecture | M2.0 | 1 |
| Oct 2, 2026 06:01 | Southern Ibaraki Prefecture | M3.9 | 2 |
| Oct 2, 2026 04:05 | Adjacent Sea of Tokara Islands | M3.3 | 3 |
| Oct 2, 2026 02:17 | Off the Coast of Sanriku | M5.0 | 2 |
| Oct 2, 2026 01:20 | Northern Ibaraki Prefecture | M2.6 | 1 |
| Oct 2, 2026 01:17 | Northern Ibaraki Prefecture | M2.7 | 1 |
| Oct 1, 2026 21:51 | Northeastern Chiba Prefecture | M3.3 | 1 |
| Oct 1, 2026 21:31 | Northeastern Chiba Prefecture | M3.6 | 1 |
| Oct 1, 2026 21:27 | Northeastern Chiba Prefecture | M5.1 | 3 |
| Oct 1, 2026 21:16 | Kumamoto Region, Kumamoto Prefecture | M2.7 | 1 |
| Oct 1, 2026 20:26 | Kumamoto Region, Kumamoto Prefecture | M3.5 | 2 |
| Oct 1, 2026 10:32 | Southern Saitama Prefecture | M3.2 | 1 |
| Oct 1, 2026 06:17 | Northeastern Chiba Prefecture | M3.5 | 2 |
| Oct 1, 2026 00:58 | Aizu, Fukushima Prefecture | M2.9 | 1 |