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Minor earthquake, 2.82 mag has occurred near Luquillo in Puerto Rico


Earthquake location 18.6126S, -65.5496WA minor earthquake with magnitude 2.82 (ml/mb) was reported 31 kilometers (19 miles) from Luquillo in Puerto Rico on Saturday. The 2.82-magnitude earthquake has occurred at 11:21:50 / 11:21 am (local time epicenter). Id of earthquake: pr2018335011. Event ids that are associated: pr2018335011. Global time and date of event 01/12/18 / 2018-12-01 15:21:50 / December 1, 2018 @ 3:21 pm UTC/GMT. Exact location of earthquake, longitude -65.5496 West, latitude 18.6126 North, depth = 72 km. The epicenter of the earthquake was roughly 72 km (45 miles) below the earth’s surface.

Closest city/cities/towns to epicentrum/hypocenter was Toa Baja, Maunabo, Campanilla (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). The epicenter was 61 km (38 miles) from San Juan (c. 418 100 pop), 68 km (42 miles) from Bayamón (c. 203 500 pop), 50 km (31 miles) from Carolina (c. 170 400 pop), 67 km (42 miles) from Caguas (c. 86 800 pop), 66 km (41 miles) from Guaynabo (c. 81 400 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days seven, in the past 30 days twenty-four and in the last 365 days three hundred and ninety-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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. 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: 31 km NNE of Luquillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.82 mb The magnitude for the event.
Longitude -65.5496° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6126° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 72 km Depth of the event in kilometers.
Place 31km 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 2018-12-01 15:21:50 Time when the event occurred. UTC/GMT
Updated 2018-12-01 21:05:02 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 122 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5576 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 307 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 pr2018335011 Id of event.
Event Code 2018335011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018335011, A comma-separated list of event ids that are associated to an event.

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