Light earthquake, 4.7 mag was detected near Yamada in Japan

A light earthquake with magnitude 4.7 (ml/mb) was detected on Wednesday, 135 km E of Yamada, Japan (84 miles). The earthquake was roughly at a depth of 30.412 km (19 miles). Exact location, longitude 143.5252° East, latitude 39.3908° North, depth = 30.412 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us6000rtvc. Unique identifier: us6000rtvc. Global time and date of event 10/12/25 / 2025-12-10 10:55:15 / December 10, 2025 @ 10:55 am UTC/GMT. The temblor was reported at 10:55:15 / 10:55 am (local time epicenter).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days twenty-six and in the last 365 days one hundred and twenty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 135 km E of Yamada, Japan. This data comes from the USGS Earthquake Notification Service.

Japan Yamada

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Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	143.5252° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	39.3908° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	30.412 km	Depth of the event in kilometers.
Place	135 km E of Yamada, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-10 10:55:15	Time when the event occurred. UTC/GMT
Updated	2025-12-10 11:43:50	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	340	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	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.348	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.31 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	169	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	us6000rtvc	Id of event.
Event Code	6000rtvc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rtvc,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.7 mag was detected near Yamada in Japan

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