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Minor earthquake, 3.9 mag has occurred near Luis M. Cintron in Puerto Rico

Earthquake location 18.33S, -65.4809WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Monday, 16 kilometers (10 miles) from Luis M. Cintron in Puerto Rico. The epicenter of the earthquake was roughly 136.24 km (85 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 17/10/16 / 2016-10-17 13:42:47 / October 17, 2016 @ 1:42 pm. All ids that are associated to the event: us20007et1, at00of723c. Unique identifier: us20007et1. Exact location of earthquake, longitude -65.4809 West, latitude 18.33 North, depth = 136.24 km. The 3.9-magnitude earthquake was detected at 09:42:47 / 9:42 am (local time epicenter).

Epicenter of the earthquake was 68 km (42 miles) from San Juan (c. 418 100 pop), 72 km (45 miles) from Bayamón (c. 203 500 pop), 51 km (31 miles) from Carolina (c. 170 400 pop), 61 km (38 miles) from Caguas (c. 86 800 pop), 67 km (41 miles) from Guaynabo (c. 81 400 pop), 56 km (35 miles) from Trujillo Alto (c. 54 200 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Corozal, San Antonio, Aibonito.

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days nine, in the past 30 days twenty-three and in the last 365 days two hundred and thirty-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 16 km ENE of Luis M. Cintron, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -65.4809° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.33° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 136.24 km Depth of the event in kilometers.
Place 16km ENE of Luis M. Cintron, 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 2016-10-17 13:42:47 Time when the event occurred. UTC/GMT
Updated 2016-10-17 14:09:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 12 The total number of felt reports
CDI 2.7 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 1 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 237 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,at, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.189 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 146 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20007et1 Id of event.
Event Code 20007et1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20007et1,at00of723c, A comma-separated list of event ids that are associated to an event.

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