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Light earthquake: M4.6 quake has struck near Mutsu in Japan

Posted by admin on December 25, 2025 0 Comments

Earthquake location 41.3153S, 142.3449WA light earthquake magnitude 4.6 (ml/mb) has struck on Thursday, 94 kilometers (58 miles) from Mutsu in Japan. The epicenter was at a depth of 65.477 km (41 miles). The temblor was picked up at 16:25:52 / 4:25 pm (local time epicenter). Event ids that are associated to the earthquake: us7000rkr3. Id of event: us7000rkr3. Exact location of earthquake, longitude 142.3449 East, latitude 41.3153 North, depth = 65.477 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 25/12/25 / 2025-12-25 16:25:52 / December 25, 2025 @ 4:25 pm UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Mutsu. Close country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 94 km (59 miles) from Mutsu (c. 49 200 pop).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 94 km E of Mutsu, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 142.3449° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.3153° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65.477 km Depth of the event in kilometers.
Place 94 km E of Mutsu, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-25 16:25:52 Time when the event occurred. UTC/GMT
Updated 2025-12-25 17:03:10 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 326 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 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.102 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 178 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000rkr3 Id of event.
Event Code 7000rkr3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000rkr3, A comma-separated list of event ids that are associated to an event.

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