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Light earthquake 4.2 mag, 18 km SSE of Guanica, Puerto Rico

Posted by admin on January 23, 2020 0 Comments

Earthquake location 17.8173S, -66.842WA light earthquake with magnitude 4.2 (ml/mb) was reported 18 kilometers (11 miles) from Guanica in Puerto Rico on Thursday. Exact location of event, depth 10 km, -66.842° West, 17.8173° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. All ids that are associated to the event: us60007dmn. Unique identifier: us60007dmn. The 4.2-magnitude earthquake was detected at 03:48:02 / 3:48 am (local time epicenter). Global time and date of event 23/01/20 / 2020-01-23 07:48:02 / January 23, 2020 @ 7:48 am UTC/GMT.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 32 km (20 miles) from Ponce (c. 152 600 pop), 53 km (33 miles) from Mayagüez (c. 78 600 pop), 74 km (46 miles) from Arecibo (c. 49 300 pop), 85 km (53 miles) from Vega Baja (c. 29 300 pop), 77 km (48 miles) from Barceloneta (c. 22 300 pop), 79 km (49 miles) from Guayama (c. 21 600 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Toa Baja, Campanilla, Aguas Buenas.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fourteen, in the last 10 days three hundred and fourty-two, in the past 30 days seven hundred and fifteen and in the last 365 days seven hundred and fifty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

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: 18 km SSE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -66.842° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8173° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 18km SSE 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 2020-01-23 07:48:02 Time when the event occurred. UTC/GMT
Updated 2020-01-23 07:56:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 The maximum reported intensity for the event.
MMI 3.182 The maximum estimated instrumental intensity for the event.
Alert Level green 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 272 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 0.206 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us60007dmn Id of event.
Event Code 60007dmn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007dmn, A comma-separated list of event ids that are associated to an event.

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