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Minor earthquake, 3.52 mag has occurred near Culebra in Puerto Rico

Posted by admin on August 17, 2025 0 Comments

A minor earthquake with magnitude 3.52 (ml/mb) was detected on Sunday, 66 kilometers (41 miles) from Culebra in Puerto Rico. The epicenter of the earthquake was roughly 51 km (32 miles) below the earth’s surface. Event id: pr2025229000. Ids that are associated to the earthquake: pr2025229000. Exact location of earthquake, -65.3213° West, 18.9015° North, depth 51 km. Exact time and date of earthquake 17/08/25 / 2025-08-17 22:39:33 / August 17, 2025 @ 10:39 pm UTC/GMT. The 3.52-magnitude earthquake was detected at 22:39:33 / 10:39 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was San Isidro, Río Grande, Ceiba (min 5000 pop). Epicenter of the event was 73 km (45 miles) from Fajardo (c. 34 100 pop), 75 km (46 miles) from Charlotte Amalie (c. 20 000 pop), 79 km (49 miles) from Río Grande (c. 13 500 pop), 72 km (45 miles) from Luquillo (c. 8 300 pop), 82 km (51 miles) from San Isidro (c. 8 100 pop), 79 km (49 miles) from Ceiba (c. 6 300 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seventeen and in the last 365 days four hundred and seventy-seven earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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. 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: 66 km N of Culebra, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	3.52 mb	The magnitude for the event.
Longitude	-65.3213° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	18.9015° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	51 km	Depth of the event in kilometers.
Place	66 km N of Culebra, 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	2025-08-17 22:39:33	Time when the event occurred. UTC/GMT
Updated	2025-08-17 23:17:00	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	191	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	,pr,	A comma-separated list of network contributors.
Number of Stations Used	12	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.8369	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.23 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	235	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	pr2025229000	Id of event.
Event Code	2025229000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pr2025229000,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.52 mag has occurred near Culebra in Puerto Rico

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