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Minor earthquake 2.9 mag, 56 km NW of San Antonio, Puerto Rico


Earthquake location 18.8581S, -67.475WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Saturday, 56 kilometers (35 miles) from San Antonio in Puerto Rico. The temblor was detected at 06:25:24 / 6:25 am (local time epicenter). Global time and date of event 25/07/15 / 2015-07-25 10:25:24 / July 25, 2015 @ 10:25 am UTC/GMT. Exact location of earthquake, longitude -67.475 West, latitude 18.8581 North, depth = 12 km. The epicenter was at a depth of 12 km (7 miles). Event ids that are associated to the earthquake: pr15206007. Id of event: pr15206007.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Añasco, Quebradillas, Moca (min 5000 pop). Event epicenter was 59 km (36 miles) from Aguadilla (c. 16 100 pop), 62 km (38 miles) from Isabela (c. 12 500 pop), 73 km (45 miles) from Añasco (c. 6 100 pop), 71 km (44 miles) from Quebradillas (c. 5 600 pop), 64 km (40 miles) from Moca (c. 5 000 pop).

In the past 24 hours, there have been four, in the last 10 days sixty-eight, in the past 30 days seventy-four and in the last 365 days two hundred and seventy-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.2 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 56 km NW of San Antonio, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -67.475° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8581° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 56km NW 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 2015-07-25 10:25:24 Time when the event occurred. UTC/GMT
Updated 2015-07-25 12:18:31 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 129 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 0.47161552 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 288 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 pr15206007 Id of event.
Event Code 15206007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15206007, A comma-separated list of event ids that are associated to an event.

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