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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Guanica in Puerto Rico


Earthquake location 17.9299S, -66.9124WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, 4 kilometers (2 miles) from Guanica in Puerto Rico. Exact time and date of earthquake 11/01/20 / 2020-01-11 03:31:37 / January 11, 2020 @ 3:31 am UTC/GMT. Exact location of event, depth 5 km, -66.9124° West, 17.9299° North. Event id: us70006y44. Ids that are associated to the earthquake: us70006y44. The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake has occurred at 23:31:37 / 11:31 pm (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Dorado, Campanilla, Toa Baja. Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 33 km (20 miles) from Ponce (c. 152 600 pop), 39 km (24 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 80 km (49 miles) from Vega Baja (c. 29 300 pop), 70 km (44 miles) from Barceloneta (c. 22 300 pop), 85 km (53 miles) from Guayama (c. 21 600 pop).

In the past 24 hours, there have been twenty-eight, in the last 10 days two hundred and eighteen, in the past 30 days two hundred and sixty-eight and in the last 365 days three hundred and thirty earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 4 km S of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -66.9124° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9299° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 4km S 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 2020-01-11 03:31:37 Time when the event occurred. UTC/GMT
Updated 2020-01-11 03:44:29 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 246 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 0.055 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 167 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 us70006y44 Id of event.
Event Code 70006y44 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006y44, A comma-separated list of event ids that are associated to an event.

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