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Minor earthquake: M2.94 quake has struck near San Antonio in Puerto Rico

Posted by admin on December 23, 2017 0 Comments

Earthquake location 18.7606S, -67.366WA minor earthquake magnitude 2.94 (ml/mb) has occurred on Friday, 40 kilometers (25 miles) from San Antonio in Puerto Rico. Global date and time of event UTC/GMT: 23/12/17 / 2017-12-23 02:09:07 / December 23, 2017 @ 2:09 am. Event id: pr2017357000. Ids that are associated to the earthquake: pr2017357000. The 2.94-magnitude earthquake was detected at 22:09:07 / 10:09 pm (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location, longitude -67.366° West, latitude 18.7606° North, depth = 10 km.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Puerto Real, Cabo Rojo, Maricao. Event epicenter was 67 km (41 miles) from Mayagüez (c. 78 600 pop), 76 km (47 miles) from Arecibo (c. 49 300 pop), 43 km (27 miles) from Aguadilla (c. 16 100 pop), 46 km (29 miles) from Isabela (c. 12 500 pop), 73 km (46 miles) from Hormigueros (c. 11 900 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days nine, in the past 30 days twenty-five and in the last 365 days three hundred and one 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.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 40 km NW of San Antonio, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -67.366° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7606° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 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 2017-12-23 02:09:07 Time when the event occurred. UTC/GMT
Updated 2017-12-23 02:45:01 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 133 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3884 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 227 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 pr2017357000 Id of event.
Event Code 2017357000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017357000, A comma-separated list of event ids that are associated to an event.

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