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


Earthquake location 18.942S, -67.238WA minor earthquake with magnitude 3 (ml/mb) was detected on Tuesday, 51 kilometers (32 miles) from San Antonio in Puerto Rico. Exact location of earthquake, -67.238° West, 18.942° North, depth 28 km. Exact time and date of earthquake 27/02/18 / 2018-02-27 14:01:19 / February 27, 2018 @ 2:01 pm UTC/GMT. Event ids that are associated to the earthquake: pr2018058004. Id of event: pr2018058004. The temblor was picked up at 10:01:19 / 10:01 am (local time epicenter). The earthquake occurred at a depth of 28 km (17 miles) below the earth’s surface.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Epicenter of the earthquake was 76 km (47 miles) from Arecibo (c. 49 300 pop), 58 km (36 miles) from Aguadilla (c. 16 100 pop), 54 km (34 miles) from Isabela (c. 12 500 pop), 72 km (45 miles) from San Sebastián (c. 11 600 pop), 74 km (46 miles) from Añasco (c. 6 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Arecibo, Añasco, San Sebastián (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days twelve, in the past 30 days thirty-nine and in the last 365 days three hundred and five earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 51 km NNW 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 -67.238° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.942° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28 km Depth of the event in kilometers.
Place 51km NNW 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 2018-02-27 14:01:19 Time when the event occurred. UTC/GMT
Updated 2018-02-27 18:12:19 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4912 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 330 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 pr2018058004 Id of event.
Event Code 2018058004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018058004, A comma-separated list of event ids that are associated to an event.

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