Light earthquake, 4.9 mag strikes near Yonakuni in Japan

A light earthquake magnitude 4.9 (ml/mb) has struck on Sunday, 64 kilometers (40 miles) from Yonakuni in Japan. Event ids that are associated to the earthquake: us7000pyq9. Id of event: us7000pyq9. Exact time and date of earthquake 11/05/25 / 2025-05-11 21:25:51 / May 11, 2025 @ 9:25 pm UTC/GMT. Exact location of event, depth 10 km, 122.4057° East, 24.6788° North. The temblor was detected at 21:25:51 / 9:25 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, Taiwan (c. 22 894 000 pop) (That might be effected). Epicenter of the event was 97 km (60 miles) from Taipei (c. 7 871 900 pop), 102 km (63 miles) from Banqiao (c. 543 300 pop), 84 km (52 miles) from Keelung (c. 397 500 pop), 66 km (41 miles) from Yilan (c. 94 200 pop). Closest city/cities/towns to epicentrum/hypocenter was Banqiao, Taipei, Keelung (min 5000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. 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 four, in the past 30 days seven and in the last 365 days eighty-four earthquakes of magnitude 3.0 or greater that have been detected 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 64 km WNW of Yonakuni, 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	122.4057° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	24.6788° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	64 km WNW 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	2025-05-11 21:25:51	Time when the event occurred. UTC/GMT
Updated	2025-05-12 00:10:10	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	44	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.59	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.9 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	44	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	us7000pyq9	Id of event.
Event Code	7000pyq9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pyq9,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.9 mag strikes near Yonakuni in Japan

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