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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.93 mag has occurred near Isabela in Puerto Rico

Posted by admin on September 3, 2025 0 Comments

Earthquake location 19.7463S, -66.9026WA minor earthquake magnitude 3.93 (ml/mb) has struck on Wednesday, 138 km N of Isabela, Puerto Rico (86 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 40 km (25 miles). Exact location of earthquake, longitude -66.9026 West, latitude 19.7463 North, depth = 40 km. The temblor was reported at 20:48:30 / 8:48 pm (local time epicenter). Global date and time of event UTC/GMT: 03/09/25 / 2025-09-03 20:48:30 / September 3, 2025 @ 8:48 pm. Event ids that are associated to the earthquake: pr2025246004. Id of event: pr2025246004.

In the past 24 hours, there have been two, in the last 10 days ten, in the past 30 days twenty and in the last 365 days two hundred and sixty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 138 km N of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.93 mb The magnitude for the event.
Longitude -66.9026° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.7463° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 40 km Depth of the event in kilometers.
Place 138 km N of Isabela, 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 2025-09-03 20:48:30 Time when the event occurred. UTC/GMT
Updated 2025-09-03 21:22:18 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 238 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 26 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.2956 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 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 pr2025246004 Id of event.
Event Code 2025246004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2025246004, A comma-separated list of event ids that are associated to an event.

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