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Minor earthquake, 2.9 mag has occurred near Loiza in Puerto Rico


Earthquake location 18.6683S, -65.9128WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Tuesday, 26 kilometers (16 miles) from Loiza in Puerto Rico. The epicenter was at a depth of 37 km (23 miles). Event id: pr16286000. Ids that are associated to the earthquake: pr16286000. Exact time and date of earthquake 12/10/16 / 2016-10-12 02:47:33 / October 12, 2016 @ 2:47 am UTC/GMT. The temblor was picked up at 22:47:33 / 10:47 pm (local time epicenter). Exact location of event, longitude -65.9128 West, latitude 18.6683 North, depth = 37 km.

Event epicenter was 30 km (19 miles) from San Juan (c. 418 100 pop), 39 km (25 miles) from Bayamón (c. 203 500 pop), 32 km (20 miles) from Carolina (c. 170 400 pop), 50 km (31 miles) from Caguas (c. 86 800 pop), 40 km (25 miles) from Guaynabo (c. 81 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Estancias de Florida, Florida, Culebra. Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days seventeen and in the last 365 days two hundred and seventy-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel it?

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. 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: 26 km N of Loiza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -65.9128° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6683° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37 km Depth of the event in kilometers.
Place 26km N of Loiza, 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 2016-10-12 02:47:33 Time when the event occurred. UTC/GMT
Updated 2016-10-12 05:57:43 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.39705536 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 270 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 pr16286000 Id of event.
Event Code 16286000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16286000, A comma-separated list of event ids that are associated to an event.

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