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Minor earthquake: M2.9 quake has struck near Aguadilla in Puerto Rico


Earthquake location 18.826S, -67.5354WA minor earthquake with magnitude 2.9 (ml/mb) was reported 59 kilometers (37 miles) from Aguadilla in Puerto Rico on Sunday. Unique identifier: pr15263008. Ids that are associated to the event: pr15263008. Exact location, longitude -67.5354° West, latitude 18.826° North, depth = 29 km. The epicenter of the earthquake was roughly 29 km (18 miles) below the earth’s surface. The 2.9-magnitude earthquake was detected at 15:52:29 / 3:52 pm (local time epicenter). Exact time and date of earthquake 20/09/15 / 2015-09-20 20:52:29 / September 20, 2015 @ 8:52 pm UTC/GMT.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Quebradillas, Añasco, Moca (min 5000 pop). Epicenter of the event was 60 km (37 miles) from Aguadilla (c. 16 100 pop), 65 km (40 miles) from Isabela (c. 12 500 pop), 73 km (46 miles) from Añasco (c. 6 100 pop), 74 km (46 miles) from Quebradillas (c. 5 600 pop), 65 km (41 miles) from Moca (c. 5 000 pop).

In the past 24 hours, there have been one, in the last 10 days fourteen, in the past 30 days twenty-nine and in the last 365 days three hundred and fourteen earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 59 km NW of Aguadilla, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -67.5354° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.826° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29 km Depth of the event in kilometers.
Place 59km NW of Aguadilla, 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 2015-09-20 20:52:29 Time when the event occurred. UTC/GMT
Updated 2015-09-21 00:59:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.53629422 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 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 pr15263008 Id of event.
Event Code 15263008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15263008, A comma-separated list of event ids that are associated to an event.

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