Light earthquake, 4.4 mag strikes near Katsuura in Japan

A light earthquake with magnitude 4.4 (ml/mb) was detected on Thursday, 268 km SSE of Katsuura, Japan (167 miles). The earthquake occurred at a depth of 10 km (6 miles). All ids that are associated to the event: us6000d2lg. Unique identifier: us6000d2lg. Exact location of earthquake, longitude 141.5118 East, latitude 32.9354 North, depth = 10 km. The temblor was detected at 16:35:42 / 4:35 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 24/12/20 / 2020-12-24 16:35:42 / December 24, 2020 @ 4:35 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 268 km SSE of Katsuura, Japan. This information comes from the USGS Earthquake Notification Service.

Japan Katsuura

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	141.5118° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	32.9354° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	268 km SSE of Katsuura, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-12-24 16:35:42	Time when the event occurred. UTC/GMT
Updated	2020-12-24 21:47:53	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.437	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.75 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	120	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	us6000d2lg	Id of event.
Event Code	6000d2lg	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000d2lg,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.4 mag strikes near Katsuura in Japan

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