Light earthquake 4.4 mag, 278 km ESE of Tomioka, Japan

A light earthquake with magnitude 4.4 (ml/mb) was reported 278 km ESE of Tomioka, Japan (173 miles) on Saturday. The earthquake occurred at a depth of 22.094 km (14 miles). Exact time and date of event in UTC/GMT: 21/12/24 / 2024-12-21 13:17:32 / December 21, 2024 @ 1:17 pm. The temblor was detected at 13:17:32 / 1:17 pm (local time epicenter). Event ids that are associated to the earthquake: us7000p0lb. Id of event: us7000p0lb. Exact location of earthquake, longitude 144.0532 East, latitude 36.7268 North, depth = 22.094 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 one and in the last 365 days two earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world.

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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: 278 km ESE of Tomioka, Japan. This information comes from the USGS Earthquake Notification Service.

Japan Tomioka

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	144.0532° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.7268° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	22.094 km	Depth of the event in kilometers.
Place	278 km ESE of Tomioka, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-12-21 13:17:32	Time when the event occurred. UTC/GMT
Updated	2024-12-21 15:21:12	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	29	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	4.681	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.76 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	135	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	us7000p0lb	Id of event.
Event Code	7000p0lb	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000p0lb,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.4 mag, 278 km ESE of Tomioka, Japan

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