Light earthquake, 4.5 mag was detected near Union in Philippines

Posted by admin on December 10, 2025 0 Comments

A light earthquake magnitude 4.5 (ml/mb) strikes 50 kilometers (31 miles) from Union in Philippines on Tuesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake has occurred at 15:12:09 / 3:12 pm (local time epicenter). All ids that are associated to the event: us6000rsr9. Unique identifier: us6000rsr9. Exact location of event, longitude 126.5531 East, latitude 9.6343 North, depth = 12.436 km. Global time and date of event 18/11/25 / 2025-11-18 15:12:09 / November 18, 2025 @ 3:12 pm UTC/GMT. The earthquake occurred at a depth of 12.436 km (8 miles).

The epicenter was 73 km (45 miles) from Tandag (c. 29 000 pop), 64 km (40 miles) from Socorro (c. 9 700 pop), 71 km (44 miles) from Cantilan (c. 9 400 pop), 57 km (35 miles) from Dapa (c. 8 800 pop), 77 km (48 miles) from Tago (c. 6 300 pop), 90 km (56 miles) from Claver (c. 5 900 pop), 87 km (54 miles) from Aras-asan (c. 5 100 pop). Country/countries that might be effected, Philippines (c. 99 900 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Claver, Aras-asan, Tago (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days sixty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 50 km ESE of Union, Philippines. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	126.5531° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	9.6343° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	12.436 km	Depth of the event in kilometers.
Place	50 km ESE of Union, Philippines	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-18 15:12:09	Time when the event occurred. UTC/GMT
Updated	2025-12-10 19:51:33	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	312	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	13	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.724	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.29 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	89	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	us6000rsr9	Id of event.
Event Code	6000rsr9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rsr9,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.5 mag was detected near Union in Philippines

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