Moderate earthquake, 5.1 mag was detected near Honchō in Japan

A moderate earthquake magnitude 5.1 (ml/mb) has occurred on Thursday, 121 km S of Honchō, Japan (75 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us6000ru9z. Event ids that are associated: us6000ru9z. The epicenter was at a depth of 28.334 km (18 miles). Exact location of event, depth 28.334 km, 142.8022° East, 41.0349° North. The 5.1-magnitude earthquake has occurred at 22:09:19 / 10:09 pm (local time epicenter). Global date and time of event UTC/GMT: 11/12/25 / 2025-12-11 22:09:19 / December 11, 2025 @ 10:09 pm.

There are an estimated 1320 moderate earthquakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been three, in the last 10 days twenty, in the past 30 days twenty-four and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 121 km S of Honchō, Japan. This information comes from the USGS Earthquake Notification Service.

Honchō Japan

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Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	142.8022° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.0349° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	28.334 km	Depth of the event in kilometers.
Place	121 km S of Honchō, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-11 22:09:19	Time when the event occurred. UTC/GMT
Updated	2025-12-11 22:27:28	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	400	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	67	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.015	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.07 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	86	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	us6000ru9z	Id of event.
Event Code	6000ru9z	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000ru9z,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.1 mag was detected near Honchō in Japan

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