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Minor earthquake, 2.83 mag strikes near Rincon in Puerto Rico


Earthquake location 18.1993S, -67.677WA minor earthquake magnitude 2.83 (ml/mb) strikes 47 kilometers (29 miles) from Rincon in Puerto Rico on Tuesday. The earthquake was roughly at a depth of 52 km (32 miles). Global date and time of event UTC/GMT: 16/01/18 / 2018-01-16 05:56:52 / January 16, 2018 @ 5:56 am. The temblor was reported at 00:56:52 / 12:56 am (local time epicenter). Exact location of event, depth 52 km, -67.677° West, 18.1993° North. Event ids that are associated to the earthquake: pr2018016001. Id of event: pr2018016001.

Epicenter of the earthquake was 57 km (35 miles) from Mayagüez (c. 78 600 pop), 61 km (38 miles) from Aguadilla (c. 16 100 pop), 77 km (48 miles) from Isabela (c. 12 500 pop), 68 km (42 miles) from San Germán (c. 12 100 pop), 58 km (36 miles) from Hormigueros (c. 11 900 pop). Closest city/cities/towns to epicentrum/hypocenter was Sabana Grande, Isabela, San Sebastián (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days twenty and in the last 365 days two hundred and thirty earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 47 km WSW of Rincon, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -67.677° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.1993° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52 km Depth of the event in kilometers.
Place 47km WSW of Rincon, 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 2018-01-16 05:56:52 Time when the event occurred. UTC/GMT
Updated 2018-01-16 07:34:00 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 123 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 0.5916 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 160 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 pr2018016001 Id of event.
Event Code 2018016001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018016001, A comma-separated list of event ids that are associated to an event.

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