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Light earthquake, 4.4 mag was detected near Yūki in Japan

Posted by admin on November 9, 2025 0 Comments

A light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 5 kilometers (3 miles) from Yūki in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000rmak. Ids that are associated to the earthquake: us6000rmak. Date and time of earthquake in UTC/GMT: 08/11/25 / 2025-11-08 21:24:59 / November 8, 2025 @ 9:24 pm. The temblor was reported at 21:24:59 / 9:24 pm (local time epicenter). The earthquake occurred at a depth of 90.496 km (56 miles) below the earth’s surface. Exact location, longitude 139.8952° East, latitude 36.346° North, depth = 90.496 km.

Epicenter of the earthquake was 75 km (47 miles) from Tokyo (c. 8 336 600 pop), 93 km (58 miles) from Kawasaki (c. 1 306 800 pop), 53 km (33 miles) from Saitama (c. 1 193 400 pop), 57 km (35 miles) from Yono (c. 1 077 700 pop), 85 km (53 miles) from Chiba (c. 919 700 pop), 92 km (57 miles) from Hachiōji (c. 579 400 pop). Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ichihara, Kawasaki, Yōkaichiba.

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

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. 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: 5 km NNE of Yūki, Japan.

More information

Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	139.8952° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.346° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	90.496 km	Depth of the event in kilometers.
Place	5 km NNE of Yūki, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-08 21:24:59	Time when the event occurred. UTC/GMT
Updated	2025-11-09 23:10:47	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	298	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	55	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.374	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.72 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	145	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	us6000rmak	Id of event.
Event Code	6000rmak	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rmak,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.4 mag was detected near Yūki in Japan

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