Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag has occurred near Ami in Japan

Posted by admin on December 12, 2025 0 Comments

A light earthquake magnitude 4.9 (ml/mb) has struck on Friday, 5 kilometers (3 miles) from Ami in Japan. Exact time and date of earthquake 12/12/25 / 2025-12-12 10:05:19 / December 12, 2025 @ 10:05 am UTC/GMT. Event id: us6000rue0. Ids that are associated to the earthquake: us6000rue0. Exact location of earthquake, 140.2301° East, 36.0804° North, depth 56.218 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 56.218 km (35 miles) below the earth’s surface. The temblor was picked up at 10:05:19 / 10:05 am (local time epicenter).

Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Tamamura, Yokosuka, Zama (min 5000 pop). Event epicenter was 65 km (40 miles) from Tokyo (c. 8 336 600 pop), 88 km (55 miles) from Yokohama (c. 3 574 400 pop), 78 km (48 miles) from Kawasaki (c. 1 306 800 pop), 55 km (34 miles) from Saitama (c. 1 193 400 pop), 58 km (36 miles) from Yono (c. 1 077 700 pop), 54 km (33 miles) from Chiba (c. 919 700 pop), 94 km (59 miles) from Hachiōji (c. 579 400 pop).

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 one, in the past 30 days three and in the last 365 days fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 5 km NNE of Ami, Japan. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	140.2301° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.0804° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	56.218 km	Depth of the event in kilometers.
Place	5 km NNE of Ami, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-12 10:05:19	Time when the event occurred. UTC/GMT
Updated	2025-12-12 10:23:45	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	369	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	77	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.701	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.41 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	131	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	us6000rue0	Id of event.
Event Code	6000rue0	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rue0,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.9 mag has occurred near Ami in Japan

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