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Minor earthquake, 2.8 mag was detected near Brenas in Puerto Rico

Posted by admin on December 27, 2015 0 Comments

Earthquake location 18.5557S, -66.3363WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Sunday, 9 kilometers (6 miles) from Brenas in Puerto Rico. Exact location of event, depth 92 km, -66.3363° West, 18.5557° North. Id of earthquake: pr15361001. Event ids that are associated: pr15361001. The 2.8-magnitude earthquake was detected at 05:39:14 / 5:39 am (local time epicenter). The earthquake occurred at a depth of 92 km (57 miles). Date and time of earthquake in UTC/GMT: 27/12/15 / 2015-12-27 09:39:14 / December 27, 2015 @ 9:39 am.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Las Marías, Guayanilla, Fajardo (min 5000 pop). Event epicenter was 26 km (16 miles) from San Juan (c. 418 100 pop), 26 km (16 miles) from Bayamón (c. 203 500 pop), 44 km (28 miles) from Carolina (c. 170 400 pop), 67 km (42 miles) from Ponce (c. 152 600 pop), 47 km (29 miles) from Caguas (c. 86 800 pop).

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

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 9 km N of Brenas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.3363° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5557° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 92 km Depth of the event in kilometers.
Place 9km N of Brenas, 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 2015-12-27 09:39:14 Time when the event occurred. UTC/GMT
Updated 2015-12-27 11:50:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.34315644 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237.6 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 pr15361001 Id of event.
Event Code 15361001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15361001, A comma-separated list of event ids that are associated to an event.

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