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Minor earthquake 3.49 mag, 54 km N of Brenas, Puerto Rico

Posted by admin on June 30, 2025 0 Comments

Earthquake location 18.9585S, -66.308WA minor earthquake magnitude 3.49 (ml/mb) has struck on Monday, 54 kilometers (34 miles) from Brenas in Puerto Rico. The earthquake occurred at a depth of 33 km (21 miles) below the earth’s surface. The 3.49-magnitude earthquake was detected at 20:21:39 / 8:21 pm (local time epicenter). Exact location of event, depth 33 km, -66.308° West, 18.9585° North. Id of earthquake: pr2025181003. Event ids that are associated: us7000q9uw, pr2025181003. Global date and time of event UTC/GMT: 30/06/25 / 2025-06-30 20:21:39 / June 30, 2025 @ 8:21 pm.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Comerío, Orocovis, Río Grande. Event epicenter was 59 km (36 miles) from San Juan (c. 418 100 pop), 64 km (40 miles) from Bayamón (c. 203 500 pop), 74 km (46 miles) from Carolina (c. 170 400 pop), 70 km (43 miles) from Guaynabo (c. 81 400 pop), 74 km (46 miles) from Trujillo Alto (c. 54 200 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel it?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 54 km N of Brenas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.49 mb The magnitude for the event.
Longitude -66.308° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9585° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33 km Depth of the event in kilometers.
Place 54 km N of Brenas, 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 2025-06-30 20:21:39 Time when the event occurred. UTC/GMT
Updated 2025-06-30 20:39:33 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 187 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 0.5299 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 230 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 pr2025181003 Id of event.
Event Code 2025181003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000q9uw,pr2025181003, A comma-separated list of event ids that are associated to an event.

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