A light earthquake with magnitude 4.1 (ml/mb) was reported 1 kilometers (1 miles) from Ushiku in Japan on Wednesday. Exact location of earthquake, longitude 140.1314 East, latitude 35.978 North, depth = 84.992 km. The earthquake occurred at a depth of 84.992 km (53 miles) below the earth’s surface. Global time and date of event 23/07/25 / 2025-07-23 01:21:13 / July 23, 2025 @ 1:21 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 01:21:13 / 1:21 am (local time epicenter). All ids that are associated to the event: us6000qym4. Unique identifier: us6000qym4.

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Ōmamachō-ōmama, Isesaki, Imaichi (min 5000 pop). Event epicenter was 51 km (32 miles) from Tokyo (c. 8 336 600 pop), 74 km (46 miles) from Yokohama (c. 3 574 400 pop), 63 km (39 miles) from Kawasaki (c. 1 306 800 pop), 43 km (27 miles) from Saitama (c. 1 193 400 pop), 46 km (29 miles) from Yono (c. 1 077 700 pop), 42 km (26 miles) from Chiba (c. 919 700 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days six and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 1 km N of Ushiku, Japan. This data comes from the USGS Earthquake Notification Service.

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