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Minor earthquake, 3.1 mag strikes near San Antonio in Puerto Rico

Posted by admin on December 29, 2016 0 Comments

Earthquake location 18.597S, -67.2539WA minor earthquake magnitude 3.1 (ml/mb) strikes 20 kilometers (12 miles) from San Antonio in Puerto Rico on Thursday. Id of earthquake: pr16364000. Event ids that are associated: pr16364000. Date and time of earthquake in UTC/GMT: 29/12/16 / 2016-12-29 11:28:53 / December 29, 2016 @ 11:28 am. The temblor was detected at 07:28:53 / 7:28 am (local time epicenter). The earthquake occurred at a depth of 79 km (49 miles) below the earth’s surface. Exact location of earthquake, -67.2539° West, 18.597° North, depth 79 km.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 46 km (28 miles) from Mayagüez (c. 78 600 pop), 58 km (36 miles) from Arecibo (c. 49 300 pop), 77 km (48 miles) from Barceloneta (c. 22 300 pop), 76 km (47 miles) from Yauco (c. 20 300 pop), 74 km (46 miles) from Adjuntas (c. 19 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Guánica, Florida, Barceloneta.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days fifteen and in the last 365 days two hundred and eighteen 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. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 20 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 3.1 mb The magnitude for the event.
Longitude -67.2539° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.597° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 79 km Depth of the event in kilometers.
Place 20km 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 2016-12-29 11:28:53 Time when the event occurred. UTC/GMT
Updated 2016-12-29 11:53:28 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 148 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.18595126 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190.8 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 pr16364000 Id of event.
Event Code 16364000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16364000, A comma-separated list of event ids that are associated to an event.

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