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Minor earthquake: M3.27 quake has struck near San Antonio in Puerto Rico

Posted by admin on October 19, 2025 0 Comments

Earthquake location 19.221166666667S, -67.390833333333WA minor earthquake with magnitude 3.27 (ml/mb) was reported 86 km NNW of San Antonio, Puerto Rico (53 miles) on Sunday. The epicenter of the earthquake was roughly 22.75 km (14 miles) below the earth’s surface. The temblor was reported at 04:42:47 / 4:42 am (local time epicenter). Exact location, longitude -67.390833333333° West, latitude 19.221166666667° North, depth = 22.75 km. Exact time and date of earthquake 19/10/25 / 2025-10-19 04:42:47 / October 19, 2025 @ 4:42 am UTC/GMT. Id of earthquake: pr71498368. Event ids that are associated: pr71498368.

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 86 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.27 mb The magnitude for the event.
Longitude -67.390833333333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.221166666667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.75 km Depth of the event in kilometers.
Place 86 km NNW of San Antonio, 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 2025-10-19 04:42:47 Time when the event occurred. UTC/GMT
Updated 2025-10-19 05:12:57 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 165 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7951 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 224 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 pr71498368 Id of event.
Event Code 71498368 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71498368, A comma-separated list of event ids that are associated to an event.

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