Light earthquake: M4.2 quake has struck near Tateyama in Japan

Posted by admin on September 6, 2025 0 Comments

A light earthquake with magnitude 4.2 (ml/mb) was detected on Sunday, 57 kilometers (35 miles) from Tateyama in Japan. Exact location of earthquake, longitude 139.5716 East, latitude 34.5305 North, depth = 10 km. The temblor was detected at 11:08:21 / 11:08 am (local time epicenter). Event id: us7000qtu9. Ids that are associated to the earthquake: us7000qtu9. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 10/08/25 / 2025-08-10 11:08:21 / August 10, 2025 @ 11:08 am.

Nearest cities/city/villages to epicentrum/hypocenter was Kimitsu, Fujisawa, Ninomiya (min 5000 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Epicenter of the earthquake was 84 km (52 miles) from Yokosuka (c. 429 000 pop), 91 km (56 miles) from Fujisawa (c. 394 600 pop), 91 km (56 miles) from Hiratsuka (c. 259 100 pop), 90 km (56 miles) from Chigasaki (c. 231 700 pop), 90 km (56 miles) from Numazu (c. 204 300 pop), 89 km (55 miles) from Odawara (c. 203 000 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days twenty 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. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 57 km SSW of Tateyama, Japan. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	139.5716° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.5305° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	57 km SSW of Tateyama, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-08-10 11:08:21	Time when the event occurred. UTC/GMT
Updated	2025-09-06 14:39:46	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	271	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	24	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.426	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.55 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	140	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	us7000qtu9	Id of event.
Event Code	7000qtu9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000qtu9,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.2 quake has struck near Tateyama in Japan

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