Light earthquake, 4.4 mag strikes near Menuma in Japan

A light earthquake magnitude 4.4 (ml/mb) strikes 2 kilometers (1 miles) from Menuma in Japan on Friday. Exact location of earthquake, 139.3515° East, 36.2312° North, depth 116.03 km. The epicenter was at a depth of 116.03 km (72 miles). The 4.4-magnitude earthquake was detected at 13:58:44 / 1:58 pm (local time epicenter). Id of earthquake: us6000qxai. Event ids that are associated: us6000qxai. Global time and date of event 01/08/25 / 2025-08-01 13:58:44 / August 1, 2025 @ 1:58 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Kōfu-shi, Isehara, Ōtawara. Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). The epicenter was 68 km (42 miles) from Tokyo (c. 8 336 600 pop), 91 km (57 miles) from Yokohama (c. 3 574 400 pop), 86 km (53 miles) from Kawasaki (c. 1 306 800 pop), 45 km (28 miles) from Saitama (c. 1 193 400 pop), 46 km (29 miles) from Yono (c. 1 077 700 pop), 64 km (40 miles) from Hachiōji (c. 579 400 pop).

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

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km WNW of Menuma, Japan. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	139.3515° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.2312° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	116.03 km	Depth of the event in kilometers.
Place	2 km WNW of Menuma, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-08-01 13:58:44	Time when the event occurred. UTC/GMT
Updated	2025-08-30 05:48:06	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	60	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.973	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.84 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	127	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	us6000qxai	Id of event.
Event Code	6000qxai	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qxai,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.4 mag strikes near Menuma in Japan

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