Moderate earthquake: M5.8 quake has struck near Honchō in Japan

A moderate earthquake magnitude 5.8 (ml/mb) has occurred on Monday, 124 km S of Honchō, Japan (77 miles). Exact location of earthquake, 143.0558° East, 41.0125° North, depth 33.716 km. Event id: us6000rtgd. Ids that are associated to the earthquake: us6000rtgd. Exact time and date of event in UTC/GMT: 08/12/25 / 2025-12-08 18:56:29 / December 8, 2025 @ 6:56 pm. The 5.8-magnitude earthquake was detected at 18:56:29 / 6:56 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 33.716 km (21 miles).

Every year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been six, in the last 10 days six, in the past 30 days nine and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 124 km S of Honchō, Japan.

Honchō Japan

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Parameter	Value	Description
Magnitude	5.8 mb	The magnitude for the event.
Longitude	143.0558° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.0125° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	33.716 km	Depth of the event in kilometers.
Place	124 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	2025-12-08 18:56:29	Time when the event occurred. UTC/GMT
Updated	2025-12-08 19:19:36	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	3.745	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	518	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	101	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.004	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.63 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	50	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	us6000rtgd	Id of event.
Event Code	6000rtgd	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rtgd,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake: M5.8 quake has struck near Honchō in Japan

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