Light earthquake, 4.4 mag has occurred near Katsuura in Japan

Posted by admin on July 13, 2025 0 Comments

A light earthquake with magnitude 4.4 (ml/mb) was detected on Friday, 58 kilometers (36 miles) from Katsuura in Japan. Exact location of event, longitude 140.7115 East, latitude 34.7355 North, depth = 49.896 km. Global date and time of event UTC/GMT: 20/06/25 / 2025-06-20 00:45:52 / June 20, 2025 @ 12:45 am. All ids that are associated to the event: us6000qlcz. Unique identifier: us6000qlcz. The 4.4-magnitude earthquake has occurred at 00:45:52 / 12:45 am (local time epicenter). 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 49.896 km (31 miles).

Epicenter of the earthquake was 84 km (52 miles) from Mobara (c. 97 300 pop), 94 km (58 miles) from Ōami (c. 53 200 pop), 82 km (51 miles) from Tateyama (c. 50 100 pop), 69 km (43 miles) from Kawaguchi (c. 29 100 pop), 58 km (36 miles) from Katsuura (c. 22 300 pop), 65 km (40 miles) from Ōhara (c. 20 200 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ōami, Mobara, Tateyama.

Each year there are an estimated 13,000 light quakes in the world. 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 three, in the past 30 days four and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 58 km SE of Katsuura, Japan.

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	140.7115° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.7355° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	49.896 km	Depth of the event in kilometers.
Place	58 km SE of Katsuura, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-06-20 00:45:52	Time when the event occurred. UTC/GMT
Updated	2025-07-13 23:31:15	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	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.78	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.78 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	156	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	us6000qlcz	Id of event.
Event Code	6000qlcz	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qlcz,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.4 mag has occurred near Katsuura in Japan

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