| Date & time | May 26, 2023 20:01:07 UTC - |
| Local time at epicenter | Saturday, May 27, 2023 at 5:01 am (GMT +9) |
| Status | Confirmed |
| Magnitude | 3.9 |
| Depth | 45.0 km |
| Epicenter latitude / longitude | 35.677°N / 140.762°E  (North Pacific Ocean, Japan) |
| Antipode | 35.677°S / 39.238°W |
| Shaking intensity | Weak shaking near epicenter |
| Felt | 0 reports |
| Primary data source | NIED (National Research Institute for Earth Science and Disaster Resilience) |
| Nearest volcano | Takahara (162 km / 101 mi) |
| Nearby towns and cities | 9 km (6 mi) SW of Hasaki (pop: 39,200) | Show on map | Quakes nearby 11 km (7 mi) ESE of Asahi (pop: 41,700) | Show on map | Quakes nearby 19 km (12 mi) E of Yōkaichiba (Sosa) (pop: 32,700) | Show on map | Quakes nearby 34 km (21 mi) SSE of Kashima-shi (pop: 65,800) | Show on map | Quakes nearby 34 km (21 mi) SE of Katori-shi (pop: 83,200) | Show on map | Quakes nearby 42 km (26 mi) ESE of Нарита (pop: 100,600) | Show on map | Quakes nearby 96 km (60 mi) E of Kawasaki (pop: 1,306,800) | Show on map | Quakes nearby 97 km (60 mi) E of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby 206 km (128 mi) NE of Shikine-jima Island (pop: 600) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Overcast Clouds  13.3°C (56 F), humidity: 67%, wind: 3 m/s (5 kts) from SSW |
| Estimated seismic energy released | 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) | about seismic energy |
| Mag. | Depth | Location | Source |
| 3.9 | 45 km | Japan: NEAR CHOSHI CITY | NIED |
