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Minor earthquake: M2.8 quake has struck near Loiza in Puerto Rico

Posted by admin on September 13, 2015 0 Comments

Earthquake location 18.5443S, -65.9651WA minor earthquake with magnitude 2.8 (ml/mb) was reported 15 kilometers (9 miles) from Loiza in Puerto Rico on Sunday. Exact location, longitude -65.9651° West, latitude 18.5443° North, depth = 76 km. The temblor was detected at 09:05:11 / 9:05 am (local time epicenter). Event id: pr15256004. Ids that are associated to the earthquake: pr15256004. Global date and time of event UTC/GMT: 13/09/15 / 2015-09-13 13:05:11 / September 13, 2015 @ 1:05 pm. The epicenter was at a depth of 76 km (47 miles).

Epicenter of the earthquake was 17 km (11 miles) from San Juan (c. 418 100 pop), 26 km (16 miles) from Bayamón (c. 203 500 pop), 18 km (11 miles) from Carolina (c. 170 400 pop), 36 km (22 miles) from Caguas (c. 86 800 pop), 26 km (16 miles) from Guaynabo (c. 81 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Jayuya, Culebra, Villalba (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days fifteen, in the past 30 days fifty-two and in the last 365 days three hundred and eighteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 15 km NW of Loiza, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.9651° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5443° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76 km Depth of the event in kilometers.
Place 15km NW of Loiza, 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 2015-09-13 13:05:11 Time when the event occurred. UTC/GMT
Updated 2015-09-13 16:06:50 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2587148 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 201.6 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 pr15256004 Id of event.
Event Code 15256004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15256004, A comma-separated list of event ids that are associated to an event.

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