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Minor earthquake, 2.9 mag was detected near San Antonio in Puerto Rico



Earthquake location 18.8052S, -67.5494WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Friday, 58 kilometers (36 miles) from San Antonio in Puerto Rico. Date and time of earthquake in UTC/GMT: 15/01/16 / 2016-01-15 05:15:13 / January 15, 2016 @ 5:15 am. Exact location, longitude -67.5494° West, latitude 18.8052° North, depth = 63 km. The 2.9-magnitude earthquake was detected at 00:15:13 / 12:15 am (local time epicenter). The earthquake occurred at a depth of 63 km (39 miles) below the earth’s surface. All ids that are associated to the event: pr16015004. Unique identifier: pr16015004.

Event epicenter was 59 km (37 miles) from Aguadilla (c. 16 100 pop), 65 km (40 miles) from Isabela (c. 12 500 pop), 72 km (45 miles) from Añasco (c. 6 100 pop), 74 km (46 miles) from Quebradillas (c. 5 600 pop), 65 km (40 miles) from Moca (c. 5 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Quebradillas, Añasco, Isabela (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been 0, in the last 10 days seven, in the past 30 days twenty and in the last 365 days three hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 58 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -67.5494° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8052° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63 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 2016-01-15 05:15:13 Time when the event occurred. UTC/GMT
Updated 2016-01-15 08:09:06 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.76446631 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 313.2 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 pr16015004 Id of event.
Event Code 16015004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16015004, A comma-separated list of event ids that are associated to an event.

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