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Minor earthquake 3 mag, 58 km NW of San Antonio, Puerto Rico


Earthquake location 18.9095S, -67.444WA minor earthquake magnitude 3 (ml/mb) has struck on Wednesday, 58 kilometers (36 miles) from San Antonio in Puerto Rico. The 3-magnitude earthquake was detected at 03:17:57 / 3:17 am (local time epicenter). Id of earthquake: pr15259005. Event ids that are associated: pr15259005. The epicenter of the earthquake was roughly 7 km (4 miles) below the earth’s surface. Exact location, longitude -67.444° West, latitude 18.9095° North, depth = 7 km. Global date and time of event UTC/GMT: 16/09/15 / 2015-09-16 07:17:57 / September 16, 2015 @ 7:17 am.

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 62 km (38 miles) from Aguadilla (c. 16 100 pop), 63 km (39 miles) from Isabela (c. 12 500 pop), 77 km (48 miles) from Añasco (c. 6 100 pop), 72 km (45 miles) from Quebradillas (c. 5 600 pop), 67 km (42 miles) from Moca (c. 5 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Añasco, Quebradillas, Moca.

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. In the past 24 hours, there have been four, in the last 10 days thirteen, in the past 30 days twenty-nine and in the last 365 days three hundred and twelve earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 58 km NW of San Antonio, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -67.444° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9095° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 58km 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 2015-09-16 07:17:57 Time when the event occurred. UTC/GMT
Updated 2015-09-16 12:32:02 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 138 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5228195 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226.8 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 pr15259005 Id of event.
Event Code 15259005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15259005, A comma-separated list of event ids that are associated to an event.

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