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Minor earthquake: M3.66 quake has struck near Rincón in Puerto Rico


Earthquake location 18.4283S, -67.6136WA minor earthquake magnitude 3.66 (ml/mb) strikes 39 kilometers (24 miles) from Rincón in Puerto Rico on Sunday. Event ids that are associated to the earthquake: us7000q9gj, pr2025180000. Id of event: pr2025180000. Exact location of earthquake, longitude -67.6136 West, latitude 18.4283 North, depth = 5 km. The temblor was reported at 03:55:33 / 3:55 am (local time epicenter). Global time and date of event 29/06/25 / 2025-06-29 03:55:33 / June 29, 2025 @ 3:55 am UTC/GMT. The earthquake occurred at a depth of 5 km (3 miles) below the earth’s surface.

Closest city/cities/towns to epicentrum/hypocenter was Punta Cana, Hatillo, Camuy (min 5000 pop). Nearby country/countries, Dominican Republic (c. 9 824 000 pop), Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the event was 85 km (53 miles) from Punta Cana (c. 100 000 pop), 56 km (35 miles) from Mayagüez (c. 78 600 pop), 48 km (30 miles) from Aguadilla (c. 16 100 pop), 63 km (39 miles) from Isabela (c. 12 500 pop), 71 km (44 miles) from San Germán (c. 12 100 pop), 61 km (38 miles) from Hormigueros (c. 11 900 pop).

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

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 39 km WNW of Rincón, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.66 mb The magnitude for the event.
Longitude -67.6136° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4283° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 39 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 2025-06-29 03:55:33 Time when the event occurred. UTC/GMT
Updated 2025-06-29 04:51:00 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.7 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 206 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5039 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 162 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 pr2025180000 Id of event.
Event Code 2025180000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000q9gj,pr2025180000, A comma-separated list of event ids that are associated to an event.

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