Minor earthquake, 3.8 mag strikes near Yigo Village in Guam

Posted by admin on October 17, 2025 0 Comments

A minor earthquake with magnitude 3.8 (ml/mb) was reported 44 kilometers (27 miles) from Yigo Village in Guam on Saturday. Exact location of event, depth 117.428 km, 145.0067° East, 13.9177° North. The temblor was detected at 13:20:54 / 1:20 pm (local time epicenter). The earthquake occurred at a depth of 117.428 km (73 miles). All ids that are associated to the event: us6000rgwr. Unique identifier: us6000rgwr. Exact time and date of event in UTC/GMT: 20/09/25 / 2025-09-20 13:20:54 / September 20, 2025 @ 1:20 pm.

Epicenter of the event was 48 km (30 miles) from Dededo Village (c. 44 900 pop), 44 km (28 miles) from Yigo Village (c. 20 500 pop), 54 km (33 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 57 km (35 miles) from Mangilao Village (c. 15 200 pop), 55 km (34 miles) from Barrigada Village (c. 8 900 pop), 69 km (43 miles) from Santa Rita Village (c. 7 500 pop). Country/countries that might be effected, Guam (c. 159 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Merizo Village, Umatac Village, Inarajan Village (min 5000 pop).

In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days nine and in the last 365 days seventy-three earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 44 km NNE of Yigo Village, Guam. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	145.0067° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	13.9177° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	117.428 km	Depth of the event in kilometers.
Place	44 km NNE of Yigo Village, Guam	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-09-20 13:20:54	Time when the event occurred. UTC/GMT
Updated	2025-10-17 20:13:58	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	222	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	16	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.353	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.52 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	102	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	us6000rgwr	Id of event.
Event Code	6000rgwr	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rgwr,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.8 mag strikes near Yigo Village in Guam

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