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Minor earthquake 3.1 mag, 7 km SE of Guanica, Puerto Rico


Earthquake location 17.9205S, -66.8505WA minor earthquake magnitude 3.1 (ml/mb) strikes 7 kilometers (4 miles) from Guanica in Puerto Rico on Saturday. Exact time and date of earthquake 16/05/20 / 2020-05-16 10:10:41 / May 16, 2020 @ 10:10 am UTC/GMT. Exact location of earthquake, longitude -66.8505 West, latitude 17.9205 North, depth = 14 km. The epicenter of the earthquake was roughly 14 km (9 miles) below the earth’s surface. The 3.1-magnitude earthquake has occurred at 06:10:41 / 6:10 am (local time epicenter). Event ids that are associated to the earthquake: pr2020137002, us70009hzt. Id of event: pr2020137002.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). The epicenter was 27 km (17 miles) from Ponce (c. 152 600 pop), 44 km (27 miles) from Mayagüez (c. 78 600 pop), 63 km (39 miles) from Arecibo (c. 49 300 pop), 76 km (47 miles) from Vega Baja (c. 29 300 pop), 68 km (42 miles) from Barceloneta (c. 22 300 pop). Nearest cities/city/villages to epicentrum/hypocenter was Ceiba, Guayama, Cidra (min 5000 pop).

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. In the past 24 hours, there have been seven, in the last 10 days fifty-seven, in the past 30 days two hundred and three and in the last 365 days two thousand and thirty-one earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 7 km SE of Guanica, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.8505° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9205° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14 km Depth of the event in kilometers.
Place 7km 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 2020-05-16 10:10:41 Time when the event occurred. UTC/GMT
Updated 2020-05-16 11:04:53 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 148 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,us, A comma-separated list of network contributors.
Number of Stations Used 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0617 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.16 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 pr2020137002 Id of event.
Event Code 2020137002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020137002,us70009hzt, A comma-separated list of event ids that are associated to an event.

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