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


Earthquake location 18.465S, -66.6153WA minor earthquake with magnitude 2.8 (ml/mb) was reported 2 kilometers (1 miles) from Animas in Puerto Rico on Thursday. The epicenter of the earthquake was roughly 94 km (58 miles) below the earth’s surface. Exact location of event, depth 94 km, -66.6153° West, 18.465° North. Id of earthquake: pr16344005. Event ids that are associated: pr16344005. Date and time of earthquake in UTC/GMT: 09/12/16 / 2016-12-09 03:21:42 / December 9, 2016 @ 3:21 am. The temblor was reported at 23:21:42 / 11:21 pm (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Canovanas, San Lorenzo, Guayama. Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 54 km (33 miles) from San Juan (c. 418 100 pop), 49 km (30 miles) from Bayamón (c. 203 500 pop), 70 km (44 miles) from Carolina (c. 170 400 pop), 50 km (31 miles) from Ponce (c. 152 600 pop), 65 km (40 miles) from Caguas (c. 86 800 pop).

In the past 24 hours, there have been one, in the last 10 days nine, in the past 30 days eighteen and in the last 365 days one hundred and seventy-five 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 earthquakes in the world.

Did you feel it?

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: 2 km NE of Animas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.6153° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.465° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 94 km Depth of the event in kilometers.
Place 2km NE of Animas, 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 2016-12-09 03:21:42 Time when the event occurred. UTC/GMT
Updated 2016-12-09 07:42:41 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 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 0.08174669 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 169.2 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 pr16344005 Id of event.
Event Code 16344005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16344005, A comma-separated list of event ids that are associated to an event.

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