Moderate earthquake, 5.2 mag strikes near Ōyama in Japan

A moderate earthquake magnitude 5.2 (ml/mb) strikes 163 km S of Ōyama, Japan (101 miles) on Tuesday. Id of earthquake: us7000rkbm. Event ids that are associated: us7000rkbm. The earthquake was roughly at a depth of 336.946 km (209 miles). Exact location of event, longitude 137.9363 East, latitude 33.1492 North, depth = 336.946 km. The temblor was picked up at 09:44:21 / 9:44 am (local time epicenter). Global date and time of event UTC/GMT: 23/12/25 / 2025-12-23 09:44:21 / December 23, 2025 @ 9:44 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 1320 moderate quakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 163 km S of Ōyama, Japan. This data comes from the USGS Earthquake Notification Service.

Japan Oyama

More information

Parameter	Value	Description
Magnitude	5.2 mb	The magnitude for the event.
Longitude	137.9363° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	33.1492° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	336.946 km	Depth of the event in kilometers.
Place	163 km S of Ōyama, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-23 09:44:21	Time when the event occurred. UTC/GMT
Updated	2025-12-23 09:59:25	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	416	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used	83	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.576	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.99 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	43	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000rkbm	Id of event.
Event Code	7000rkbm	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000rkbm,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Moderate earthquake, 5.2 mag strikes near Ōyama in Japan

Did you feel the quake?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information