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Minor earthquake, 3.11 mag strikes near San Antonio in Puerto Rico


Earthquake location 18.820333333333S, -67.277833333333WA minor earthquake magnitude 3.11 (ml/mb) has occurred on Thursday, 40 kilometers (25 miles) from San Antonio in Puerto Rico. The temblor was detected at 21:51:00 / 9:51 pm (local time epicenter). Exact time and date of event in UTC/GMT: 24/10/24 / 2024-10-24 21:51:00 / October 24, 2024 @ 9:51 pm. The earthquake occurred at a depth of 6.23 km (4 miles) below the earth’s surface. Exact location of earthquake, longitude -67.277833333333 West, latitude 18.820333333333 North, depth = 6.23 km. All ids that are associated to the event: pr71463408. Unique identifier: pr71463408.

Nearest cities/city/villages to epicentrum/hypocenter was Maricao, Hormigueros, Lares (min 5000 pop). Epicenter of the event was 70 km (44 miles) from Mayagüez (c. 78 600 pop), 71 km (44 miles) from Arecibo (c. 49 300 pop), 46 km (28 miles) from Aguadilla (c. 16 100 pop), 44 km (28 miles) from Isabela (c. 12 500 pop), 77 km (48 miles) from Hormigueros (c. 11 900 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 130,000 minor earthquakes 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-six and in the last 365 days two hundred and seventy-one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 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. 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: 40 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -67.277833333333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.820333333333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.23 km Depth of the event in kilometers.
Place 40 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 2024-10-24 21:51:00 Time when the event occurred. UTC/GMT
Updated 2024-10-24 22:37:36 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 149 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3849 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 311 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 pr71463408 Id of event.
Event Code 71463408 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr71463408, A comma-separated list of event ids that are associated to an event.

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