Light earthquake 4.9 mag, 83 km NE of Yonakuni, Japan

A light earthquake magnitude 4.9 (ml/mb) has struck on Saturday, 83 km NE of Yonakuni, Japan (52 miles). Exact location of event, longitude 123.468 East, latitude 25.0852 North, depth = 10 km. Exact time and date of event in UTC/GMT: 18/01/25 / 2025-01-18 16:54:00 / January 18, 2025 @ 4:54 pm. The temblor was picked up at 16:54:00 / 4:54 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Event id: us6000pkyr. Ids that are associated to the earthquake: us6000pkyr.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days four and in the last 365 days ten earthquakes of magnitude 3.0 or greater that has occurred nearby.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 83 km NE of Yonakuni, Japan.

Japan Yonakuni

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Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	123.468° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	25.0852° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	83 km NE of Yonakuni, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-01-18 16:54:00	Time when the event occurred. UTC/GMT
Updated	2025-01-18 19:57:23	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	138	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.791	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.66 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	61	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000pkyr	Id of event.
Event Code	6000pkyr	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000pkyr,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.9 mag, 83 km NE of Yonakuni, Japan

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