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Minor earthquake: M2.9 quake has struck near Esperanza in Puerto Rico


Earthquake location 17.8528S, -65.5374WA minor earthquake with magnitude 2.9 (ml/mb) was reported 27 kilometers (17 miles) from Esperanza in Puerto Rico on Friday. Date and time of earthquake in UTC/GMT: 09/12/16 / 2016-12-09 16:28:57 / December 9, 2016 @ 4:28 pm. Event ids that are associated to the earthquake: pr16344008. Id of event: pr16344008. The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. Exact location of earthquake, longitude -65.5374 West, latitude 17.8528 North, depth = 5 km. The temblor was reported at 12:28:57 / 12:28 pm (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cidra, Aguas Buenas, Trujillo Alto. Earthquake epicenter was 74 km (46 miles) from Carolina (c. 170 400 pop), 69 km (43 miles) from Caguas (c. 86 800 pop), 75 km (46 miles) from Trujillo Alto (c. 54 200 pop), 54 km (34 miles) from Fajardo (c. 34 100 pop), 63 km (39 miles) from Guayama (c. 21 600 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days six, in the past 30 days sixteen and in the last 365 days ninety-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.2 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. 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: 27 km SSW of Esperanza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -65.5374° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8528° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 27km SSW of Esperanza, 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 16:28:57 Time when the event occurred. UTC/GMT
Updated 2016-12-09 16:45:39 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 129 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.24344344 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 234 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 pr16344008 Id of event.
Event Code 16344008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16344008, A comma-separated list of event ids that are associated to an event.

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