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Minor earthquake, 2.8 mag strikes near Quebradillas in Puerto Rico

Earthquake location 18.5523S, -66.9252WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Wednesday, 8 kilometers (5 miles) from Quebradillas in Puerto Rico. The 2.8-magnitude earthquake has occurred at 08:37:10 / 8:37 am (local time epicenter). All ids that are associated to the event: us10006msc. Unique identifier: us10006msc. Exact location of earthquake, longitude -66.9252 West, latitude 18.5523 North, depth = 81.81 km. Global date and time of event UTC/GMT: 07/09/16 / 2016-09-07 12:37:10 / September 7, 2016 @ 12:37 pm. The earthquake occurred at a depth of 81.81 km (51 miles).

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Naranjito, Barranquitas, Candelaria Arenas (min 5000 pop). Epicenter of the event was 69 km (43 miles) from Ponce (c. 152 600 pop), 45 km (28 miles) from Mayagüez (c. 78 600 pop), 24 km (15 miles) from Arecibo (c. 49 300 pop), 58 km (36 miles) from Vega Baja (c. 29 300 pop), 42 km (26 miles) from Barceloneta (c. 22 300 pop).

In the past 24 hours, there have been sixteen, in the last 10 days nineteen, in the past 30 days twenty-six and in the last 365 days two hundred and fourty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 8 km N of Quebradillas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.9252° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5523° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 81.81 km Depth of the event in kilometers.
Place 8km N of Quebradillas, 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 2016-09-07 12:37:10 Time when the event occurred. UTC/GMT
Updated 2016-10-07 10:57:41 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.264 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212 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 us10006msc Id of event.
Event Code 10006msc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006msc, A comma-separated list of event ids that are associated to an event.

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