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Minor earthquake, 2.8 mag has occurred near Isabela in Puerto Rico


Earthquake location 18.8728S, -66.9718WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Wednesday, 41 kilometers (25 miles) from Isabela in Puerto Rico. Global date and time of event UTC/GMT: 10/02/16 / 2016-02-10 06:45:07 / February 10, 2016 @ 6:45 am. The epicenter of the earthquake was roughly 89 km (55 miles) below the earth’s surface. Exact location of event, longitude -66.9718 West, latitude 18.8728 North, depth = 89 km. The 2.8-magnitude earthquake was detected at 02:45:07 / 2:45 am (local time epicenter). Event ids that are associated to the earthquake: pr16041002. Id of event: pr16041002.

Nearest cities/city/villages to epicentrum/hypocenter was Maricao, Mayagüez, Utuado (min 5000 pop). Event epicenter was 77 km (48 miles) from Mayagüez (c. 78 600 pop), 52 km (32 miles) from Arecibo (c. 49 300 pop), 65 km (41 miles) from Barceloneta (c. 22 300 pop), 71 km (44 miles) from Manatí (c. 16 100 pop), 53 km (33 miles) from Aguadilla (c. 16 100 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days twenty and in the last 365 days four hundred and fourty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 41 km N of Isabela, 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 -66.9718° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8728° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 89 km Depth of the event in kilometers.
Place 41km N of Isabela, 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 2016-02-10 06:45:07 Time when the event occurred. UTC/GMT
Updated 2016-02-10 07:20:01 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.70068592 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 352.8 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 pr16041002 Id of event.
Event Code 16041002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16041002, A comma-separated list of event ids that are associated to an event.

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