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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Merizo Village in Guam

Posted by admin on October 20, 2025 0 Comments

Earthquake location 12.6136S, 143.2313WA light earthquake magnitude 4.5 (ml/mb) has struck on Sunday, 171 km WSW of Merizo Village, Guam (106 miles). Exact location of earthquake, longitude 143.2313 East, latitude 12.6136 North, depth = 123.99 km. Id of earthquake: us6000ri80. Event ids that are associated: us6000ri80. Date and time of earthquake in UTC/GMT: 19/10/25 / 2025-10-19 23:42:45 / October 19, 2025 @ 11:42 pm. The earthquake occurred at a depth of 123.99 km (77 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake was detected at 23:42:45 / 11:42 pm (local time epicenter).

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. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days thirty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 171 km WSW of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 143.2313° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.6136° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 123.99 km Depth of the event in kilometers.
Place 171 km WSW of Merizo 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 2025-10-19 23:42:45 Time when the event occurred. UTC/GMT
Updated 2025-10-20 00:02:39 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.867 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us6000ri80 Id of event.
Event Code 6000ri80 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ri80, A comma-separated list of event ids that are associated to an event.

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