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Light earthquake, 4.3 mag has occurred near Mutsu in Japan

Posted by admin on December 14, 2025 0 Comments

Earthquake location 41.4641S, 141.9738WA light earthquake magnitude 4.3 (ml/mb) has occurred on Sunday, 66 kilometers (41 miles) from Mutsu in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 141.9738 East, latitude 41.4641 North, depth = 78.659 km. The earthquake occurred at a depth of 78.659 km (49 miles). Exact time and date of event in UTC/GMT: 14/12/25 / 2025-12-14 13:49:44 / December 14, 2025 @ 1:49 pm. Id of earthquake: us6000rute. Event ids that are associated: us6000rute. The temblor was detected at 13:49:44 / 1:49 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Mutsu (min 5000 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Epicenter of the event was 66 km (41 miles) from Mutsu (c. 49 200 pop).

In the past 24 hours, there have been one, in the last 10 days twenty-eight, in the past 30 days thirty-two and in the last 365 days seventy-four earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 66 km ENE of Mutsu, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 141.9738° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.4641° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 78.659 km Depth of the event in kilometers.
Place 66 km ENE 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 2025-12-14 13:49:44 Time when the event occurred. UTC/GMT
Updated 2025-12-14 15:08:38 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 284 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 30 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.962 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 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 us6000rute Id of event.
Event Code 6000rute An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rute, A comma-separated list of event ids that are associated to an event.

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