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Minor earthquake, 2.8 mag has occurred near Tierras Nuevas Poniente in Puerto Rico


Earthquake location 19.138S, -66.5214WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Wednesday, 74 kilometers (46 miles) from Tierras Nuevas Poniente in Puerto Rico. The temblor was reported at 02:58:16 / 2:58 am (local time epicenter). Global date and time of event UTC/GMT: 09/12/15 / 2015-12-09 06:58:16 / December 9, 2015 @ 6:58 am. Event id: pr15343006. Ids that are associated to the earthquake: pr15343006. Exact location of event, longitude -66.5214 West, latitude 19.138 North, depth = 45 km. The earthquake occurred at a depth of 45 km (28 miles) below the earth’s surface.

Epicenter of the earthquake was 77 km (48 miles) from Arecibo (c. 49 300 pop), 76 km (48 miles) from Barceloneta (c. 22 300 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Arecibo, Barceloneta (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days six, in the past 30 days sixteen and in the last 365 days four hundred and seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 1,300,000 minor earthquakes in the world.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 74 km N of Tierras Nuevas Poniente, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.5214° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.138° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45 km Depth of the event in kilometers.
Place 74km N of Tierras Nuevas Poniente, 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 2015-12-09 06:58:16 Time when the event occurred. UTC/GMT
Updated 2015-12-09 08:09:50 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.81746691 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 291.6 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 pr15343006 Id of event.
Event Code 15343006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15343006, A comma-separated list of event ids that are associated to an event.

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