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Minor earthquake 2.8 mag, 21 km NNE of Luquillo, Puerto Rico

Earthquake location 18.5405S, -65.6082WA minor earthquake with magnitude 2.8 (ml/mb) was reported 21 kilometers (13 miles) from Luquillo in Puerto Rico on Thursday. Exact time and date of event in UTC/GMT: 20/10/16 / 2016-10-20 09:52:06 / October 20, 2016 @ 9:52 am. Exact location of earthquake, -65.6082° West, 18.5405° North, depth 41 km. The temblor was detected at 05:52:06 / 5:52 am (local time epicenter). Unique identifier: pr16294005. Ids that are associated to the event: pr16294005. The earthquake occurred at a depth of 41 km (25 miles).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 53 km (33 miles) from San Juan (c. 418 100 pop), 60 km (37 miles) from Bayamón (c. 203 500 pop), 41 km (25 miles) from Carolina (c. 170 400 pop), 58 km (36 miles) from Caguas (c. 86 800 pop), 57 km (35 miles) from Guaynabo (c. 81 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cayey, Charlotte Amalie, Comerío.

In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days twenty-three and in the last 365 days two 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. Every year there are an estimated 1,300,000 minor earthquakes 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. 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: 21 km NNE of Luquillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.6082° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5405° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41 km Depth of the event in kilometers.
Place 21km NNE of Luquillo, 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 2016-10-20 09:52:06 Time when the event occurred. UTC/GMT
Updated 2016-10-20 10:23:53 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.35663117 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 219.6 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 pr16294005 Id of event.
Event Code 16294005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16294005, A comma-separated list of event ids that are associated to an event.

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