Light earthquake, 4.3 mag was detected near Urakawa in Japan

A light earthquake magnitude 4.3 (ml/mb) strikes 30 kilometers (19 miles) from Urakawa in Japan on Monday. The earthquake occurred at a depth of 59.74 km (37 miles). Exact time and date of earthquake 17/11/25 / 2025-11-17 23:46:15 / November 17, 2025 @ 11:46 pm UTC/GMT. Id of earthquake: us7000rfll. Event ids that are associated: us7000rfll. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 142.4961° East, latitude 41.984° North, depth = 59.74 km. The temblor was reported at 23:46:15 / 11:46 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Shizunai-furukawachō (min 5000 pop). Epicenter of the earthquake was 40 km (25 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. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days five and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 30 km SW of Urakawa, Japan.

More information

Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	142.4961° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.984° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	59.74 km	Depth of the event in kilometers.
Place	30 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	2025-11-17 23:46:15	Time when the event occurred. UTC/GMT
Updated	2025-12-05 03:25:10	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	284	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	29	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.494	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.7 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	93	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	us7000rfll	Id of event.
Event Code	7000rfll	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000rfll,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag was detected near Urakawa in Japan

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