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Light earthquake, 4 mag strikes near San Antonio in Puerto Rico

Posted by admin on December 5, 2025 0 Comments

Earthquake location 19.2611S, -67.3546WA light earthquake magnitude 4 (ml/mb) strikes 89 km NNW of San Antonio, Puerto Rico (55 miles) on Friday. Exact location of earthquake, -67.3546° West, 19.2611° North, depth 38 km. The epicenter of the earthquake was roughly 38 km (24 miles) below the earth’s surface. The temblor was picked up at 19:32:02 / 7:32 pm (local time epicenter). Exact time and date of event in UTC/GMT: 05/12/25 / 2025-12-05 19:32:02 / December 5, 2025 @ 7:32 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: pr2025339003. Ids that are associated to the event: us6000rstf, pr2025339003.

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

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 89 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -67.3546° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.2611° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38 km Depth of the event in kilometers.
Place 89 km NNW of San Antonio, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-05 19:32:02 Time when the event occurred. UTC/GMT
Updated 2025-12-05 21:27:33 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,pr, A comma-separated list of network contributors.
Number of Stations Used 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8301 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 231 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2025339003 Id of event.
Event Code 2025339003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rstf,pr2025339003, A comma-separated list of event ids that are associated to an event.

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