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Minor earthquake, 2.9 mag strikes near Esperanza in Puerto Rico


Earthquake location 17.8985S, -65.623WA minor earthquake with magnitude 2.9 (ml/mb) was reported 27 kilometers (17 miles) from Esperanza in Puerto Rico on Saturday. Exact location, longitude -65.623° West, latitude 17.8985° North, depth = 7 km. The epicenter of the earthquake was roughly 7 km (4 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 12/11/16 / 2016-11-12 04:59:40 / November 12, 2016 @ 4:59 am. Unique identifier: pr16317014. Ids that are associated to the event: pr16317014. The 2.9-magnitude earthquake was detected at 00:59:40 / 12:59 am (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Aibonito, Comerío, Guaynabo. Epicenter of the earthquake was 64 km (40 miles) from Carolina (c. 170 400 pop), 58 km (36 miles) from Caguas (c. 86 800 pop), 73 km (45 miles) from Guaynabo (c. 81 400 pop), 65 km (40 miles) from Trujillo Alto (c. 54 200 pop), 48 km (30 miles) from Fajardo (c. 34 100 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been six, in the last 10 days seven, in the past 30 days sixteen and in the last 365 days ninety-three earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 27 km SW of Esperanza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -65.623° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8985° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 27km 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 2016-11-12 04:59:40 Time when the event occurred. UTC/GMT
Updated 2016-11-12 07:48:50 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3233935 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 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 pr16317014 Id of event.
Event Code 16317014 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16317014, A comma-separated list of event ids that are associated to an event.

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