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Light earthquake: M4.5 quake has struck near Guanica in Puerto Rico


Earthquake location 17.9117S, -66.8391WA light earthquake with magnitude 4.5 (ml/mb) was detected on Monday, 9 kilometers (6 miles) from Guanica in Puerto Rico. Unique identifier: us70006zgr. Ids that are associated to the event: us70006zgr. Exact time and date of earthquake 14/01/20 / 2020-01-14 01:40:52 / January 14, 2020 @ 1:40 am UTC/GMT. Exact location, longitude -66.8391° West, latitude 17.9117° North, depth = 19.42 km. The epicenter was at a depth of 19.42 km (12 miles). The temblor was detected at 21:40:52 / 9:40 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was Cataño, Levittown, Guaynabo (min 5000 pop). The epicenter was 90 km (56 miles) from Bayamón (c. 203 500 pop), 26 km (16 miles) from Ponce (c. 152 600 pop), 91 km (57 miles) from Caguas (c. 86 800 pop), 92 km (57 miles) from Guaynabo (c. 81 400 pop), 45 km (28 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 92 km (57 miles) from Levittown (c. 29 800 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been thirty-one, in the last 10 days three hundred and sixteen, in the past 30 days three hundred and eighty-three and in the last 365 days four hundred and thirty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 9 km SE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -66.8391° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9117° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.42 km Depth of the event in kilometers.
Place 9km SE of Guanica, 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 2020-01-14 01:40:52 Time when the event occurred. UTC/GMT
Updated 2020-01-14 02:01:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 15 The total number of felt reports
CDI 3.4 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 317 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, 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 0.073 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 44 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us70006zgr Id of event.
Event Code 70006zgr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006zgr, A comma-separated list of event ids that are associated to an event.

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