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Minor earthquake, 2.8 mag strikes near Esperanza in Puerto Rico


Earthquake location 17.9134S, -65.6091WA minor earthquake magnitude 2.8 (ml/mb) strikes 25 kilometers (16 miles) from Esperanza in Puerto Rico on Wednesday. Id of earthquake: pr16342000. Event ids that are associated: pr16342000. The temblor was picked up at 01:25:29 / 1:25 am (local time epicenter). Exact time and date of event in UTC/GMT: 07/12/16 / 2016-12-07 05:25:29 / December 7, 2016 @ 5:25 am. The earthquake was roughly at a depth of 4 km (2 miles). Exact location of event, depth 4 km, -65.6091° West, 17.9134° North.

Epicenter of the event was 64 km (40 miles) from Carolina (c. 170 400 pop), 59 km (36 miles) from Caguas (c. 86 800 pop), 72 km (45 miles) from Guaynabo (c. 81 400 pop), 65 km (40 miles) from Trujillo Alto (c. 54 200 pop), 46 km (29 miles) from Fajardo (c. 34 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Aibonito, Comerío, Salinas (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days sixteen and in the last 365 days ninety-eight earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 1,300,000 minor quakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 25 km SW of Esperanza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.6091° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9134° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4 km Depth of the event in kilometers.
Place 25km SW 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 2016-12-07 05:25:29 Time when the event occurred. UTC/GMT
Updated 2016-12-07 07:23:31 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.42669976 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 180 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 pr16342000 Id of event.
Event Code 16342000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16342000, A comma-separated list of event ids that are associated to an event.

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