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Minor earthquake, 3.03 mag was detected near Rincon in Puerto Rico

Earthquake location 18.3443S, -67.4043WA minor earthquake with magnitude 3.03 (ml/mb) was reported 16 kilometers (10 miles) from Rincon in Puerto Rico on Sunday. Global time and date of event 21/01/18 / 2018-01-21 17:45:54 / January 21, 2018 @ 5:45 pm UTC/GMT. The temblor was detected at 13:45:54 / 1:45 pm (local time epicenter). Exact location of earthquake, longitude -67.4043 West, latitude 18.3443 North, depth = 12 km. The earthquake was roughly at a depth of 12 km (7 miles). All ids that are associated to the event: pr2018021003. Unique identifier: pr2018021003.

Closest city/cities/towns to epicentrum/hypocenter was Adjuntas, Utuado, Adjuntas (min 5000 pop). The epicenter was 32 km (20 miles) from Mayagüez (c. 78 600 pop), 74 km (46 miles) from Arecibo (c. 49 300 pop), 68 km (42 miles) from Yauco (c. 20 300 pop), 75 km (46 miles) from Adjuntas (c. 19 500 pop), 28 km (17 miles) from Aguadilla (c. 16 100 pop). 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 seven, in the past 30 days twenty-eight and in the last 365 days two hundred and seventy-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

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: 16 km W of Rincon, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.03 mb The magnitude for the event.
Longitude -67.4043° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3443° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 16km W 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 2018-01-21 17:45:54 Time when the event occurred. UTC/GMT
Updated 2018-01-21 20:18:29 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 141 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.289 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 286 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 pr2018021003 Id of event.
Event Code 2018021003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018021003, A comma-separated list of event ids that are associated to an event.

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