Minor mag. 2.9 earthquake - North Pacific Ocean, 8.3 km southeast of Asahi, Chiba, Japan, on Monday, May 23, 2022 at 10:16 am (GMT +9) -
Quake Data | Interactive map | User Reports | Earlier quakes here | Quakes in Japan | Chiba | Tokyo | Kanagawa


Minor magnitude 2.9 earthquake at 89 km depth
23 May 01:24 UTC: First to report: NIED after 8 minutes.
Earthquake details
Date & time | May 23, 2022 01:16:32 UTC - |
Local time at epicenter | Monday, May 23, 2022 at 10:16 am (GMT +9) |
Status | Confirmed |
Magnitude | 2.9 |
Depth | 89.4 km |
Epicenter latitude / longitude | 35.655°N / 140.702°E ![]() |
Antipode | 35.655°S / 39.298°W |
Shaking intensity | Not felt |
Primary data source | NIED (National Research Institute for Earth Science and Disaster Resilience) |
Nearest volcano | Oshima (158 km / 98 mi) |
Nearby towns and cities | 8 km (5 mi) SE of Asahi (pop: 41,700) | Show on map | Quakes nearby 15 km (9 mi) ESE of Yōkaichiba (Sosa) (pop: 32,700) | Show on map | Quakes nearby 15 km (9 mi) SW of Hasaki (pop: 39,200) | Show on map | Quakes nearby 23 km (14 mi) SSE of Omigawa (Katori) (pop: 25,800) | Show on map | Quakes nearby 33 km (20 mi) SE of Katori-shi (pop: 83,200) | Show on map | Quakes nearby 35 km (22 mi) E of Yachimata (pop: 83,300) | Show on map | Quakes nearby 91 km (57 mi) E of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby 98 km (61 mi) ENE of Yokohama (pop: 3,574,400) | Show on map | Quakes nearby |
Weather at epicenter at time of quake | Broken Clouds ![]() |
Estimated seismic energy released | 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) | about seismic energy |
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
2.9 | 89 km | Japan: NEAR CHOSHI CITY | NIED |
User reports for this quake
At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!