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Minor earthquake: M2.81 quake has struck near San Antonio in Puerto Rico

Posted by admin on September 14, 2018 0 Comments

Earthquake location 18.8275S, -67.3416WA minor earthquake magnitude 2.81 (ml/mb) strikes 45 kilometers (28 miles) from San Antonio in Puerto Rico on Friday. The epicenter was at a depth of 6 km (4 miles). The 2.81-magnitude earthquake has occurred at 06:38:52 / 6:38 am (local time epicenter). Event ids that are associated to the earthquake: pr2018257002. Id of event: pr2018257002. Exact location, longitude -67.3416° West, latitude 18.8275° North, depth = 6 km. Global time and date of event 14/09/18 / 2018-09-14 10:38:52 / September 14, 2018 @ 10:38 am UTC/GMT.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arecibo, Lares, Las Marías. Earthquake epicenter was 73 km (45 miles) from Mayagüez (c. 78 600 pop), 77 km (48 miles) from Arecibo (c. 49 300 pop), 49 km (30 miles) from Aguadilla (c. 16 100 pop), 49 km (31 miles) from Isabela (c. 12 500 pop), 66 km (41 miles) from San Sebastián (c. 11 600 pop).

In the past 24 hours, there have been one, in the last 10 days seventeen, in the past 30 days twenty-six and in the last 365 days three hundred and fourty earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year.

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 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: 45 km NW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -67.3416° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8275° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 45km 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 2018-09-14 10:38:52 Time when the event occurred. UTC/GMT
Updated 2018-09-14 15:20:17 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 121 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 0.4274 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 277 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 pr2018257002 Id of event.
Event Code 2018257002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018257002, A comma-separated list of event ids that are associated to an event.

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