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Minor earthquake: M2.99 quake has struck near Guanica in Puerto Rico

Posted by admin on March 21, 2020 0 Comments

Earthquake location 17.9418S, -66.8785WA minor earthquake magnitude 2.99 (ml/mb) strikes 4 kilometers (2 miles) from Guanica in Puerto Rico on Saturday. Exact location, longitude -66.8785° West, latitude 17.9418° North, depth = 15 km. The earthquake was roughly at a depth of 15 km (9 miles). Event id: pr2020081013. Ids that are associated to the earthquake: pr2020081013. Exact time and date of earthquake 21/03/20 / 2020-03-21 11:17:53 / March 21, 2020 @ 11:17 am UTC/GMT. The 2.99-magnitude earthquake has occurred at 07:17:53 / 7:17 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vega Alta, Naranjito, Cayey. The epicenter was 29 km (18 miles) from Ponce (c. 152 600 pop), 40 km (25 miles) from Mayagüez (c. 78 600 pop), 61 km (38 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Vega Baja (c. 29 300 pop), 67 km (42 miles) from Barceloneta (c. 22 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been fourteen, in the last 10 days seventy-four, in the past 30 days two hundred and sixty-five and in the last 365 days one thousand, six hundred and twenty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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 SE of Guanica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.99 mb The magnitude for the event.
Longitude -66.8785° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9418° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15 km Depth of the event in kilometers.
Place 4km 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 2020-03-21 11:17:53 Time when the event occurred. UTC/GMT
Updated 2020-03-21 12:18:23 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 138 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0333 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212 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 pr2020081013 Id of event.
Event Code 2020081013 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020081013, A comma-separated list of event ids that are associated to an event.

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