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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.28 mag strikes near Rincón in Puerto Rico


Earthquake location 18.3915S, -67.4465WA minor earthquake with magnitude 3.28 (ml/mb) was reported 21 kilometers (13 miles) from Rincón in Puerto Rico on Monday. Id of earthquake: pr71478553. Event ids that are associated: pr71478553. Global time and date of event 07/04/25 / 2025-04-07 08:48:28 / April 7, 2025 @ 8:48 am UTC/GMT. The temblor was detected at 08:48:28 / 8:48 am (local time epicenter). The epicenter of the earthquake was roughly 7.2 km (4 miles) below the earth’s surface. Exact location of earthquake, longitude -67.4465 West, latitude 18.3915 North, depth = 7.2 km.

Event epicenter was 39 km (24 miles) from Mayagüez (c. 78 600 pop), 78 km (48 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Yauco (c. 20 300 pop), 80 km (50 miles) from Adjuntas (c. 19 500 pop), 31 km (19 miles) from Aguadilla (c. 16 100 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Guayanilla, Adjuntas, Adjuntas (min 5000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days eighteen, in the past 30 days fourty-six and in the last 365 days four hundred and ninety-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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. 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: 21 km WNW of Rincón, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.28 mb The magnitude for the event.
Longitude -67.4465° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3915° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.2 km Depth of the event in kilometers.
Place 21 km WNW of Rincón, 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 2025-04-07 08:48:28 Time when the event occurred. UTC/GMT
Updated 2025-04-07 09:50:34 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 166 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3114 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 pr71478553 Id of event.
Event Code 71478553 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71478553, A comma-separated list of event ids that are associated to an event.

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