Light earthquake, 4.6 mag has occurred near Urakawa in Japan

A light earthquake with magnitude 4.6 (ml/mb) was detected on Monday, 37 kilometers (23 miles) from Urakawa in Japan. The temblor was picked up at 06:37:26 / 6:37 am (local time epicenter). Event ids that are associated to the earthquake: us7000pvi0. Id of event: us7000pvi0. The epicenter of the earthquake was roughly 60.21 km (37 miles) below the earth’s surface. Exact location, longitude 142.4422° East, latitude 41.9273° North, depth = 60.21 km. Exact time and date of earthquake 28/04/25 / 2025-04-28 06:37:26 / April 28, 2025 @ 6:37 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was Shizunai-furukawachō (min 5000 pop). Epicenter of the earthquake was 46 km (28 miles) from Shizunai-furukawachō (c. 22 400 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 six and in the last 365 days fourty-seven earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 37 km SW of Urakawa, Japan.

More information

Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	142.4422° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.9273° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	60.21 km	Depth of the event in kilometers.
Place	37 km SW of Urakawa, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-04-28 06:37:26	Time when the event occurred. UTC/GMT
Updated	2025-04-28 09:01:11	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	326	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	112	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.54	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.51 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	108	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	us7000pvi0	Id of event.
Event Code	7000pvi0	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pvi0,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.6 mag has occurred near Urakawa in Japan

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