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Minor earthquake, 3 mag strikes near San Antonio in Puerto Rico


Earthquake location 18.7411S, -67.3805WA minor earthquake with magnitude 3 (ml/mb) was detected on Friday, 40 kilometers (25 miles) from San Antonio in Puerto Rico. The 3-magnitude earthquake was detected at 18:48:58 / 6:48 pm (local time epicenter). Exact location of earthquake, longitude -67.3805 West, latitude 18.7411 North, depth = 7 km. All ids that are associated to the event: pr17013007. Unique identifier: pr17013007. Global time and date of event 13/01/17 / 2017-01-13 22:48:58 / January 13, 2017 @ 10:48 pm UTC/GMT. The earthquake occurred at a depth of 7 km (4 miles) below the earth’s surface.

Nearest cities/city/towns to hypocenter/epicentrum was Cabo Rojo, Puerto Real, Arecibo (min 5000 pop). Epicenter of the earthquake was 65 km (41 miles) from Mayagüez (c. 78 600 pop), 76 km (47 miles) from Arecibo (c. 49 300 pop), 42 km (26 miles) from Aguadilla (c. 16 100 pop), 46 km (29 miles) from Isabela (c. 12 500 pop), 72 km (45 miles) from Hormigueros (c. 11 900 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days eleven and in the last 365 days two hundred and eleven 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. Every year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

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 NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -67.3805° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7411° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 40km 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 2017-01-13 22:48:58 Time when the event occurred. UTC/GMT
Updated 2017-01-14 00:02:29 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.37280084 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208.8 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 pr17013007 Id of event.
Event Code 17013007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17013007, A comma-separated list of event ids that are associated to an event.

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