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Minor earthquake: M2.91 quake has struck near Guayanilla in Puerto Rico


Earthquake location 18.0356S, -66.8043WA minor earthquake with magnitude 2.91 (ml/mb) was detected on Sunday, 2 kilometers (1 miles) from Guayanilla in Puerto Rico. Exact location of earthquake, -66.8043° West, 18.0356° North, depth 14 km. Event id: pr2020146000. Ids that are associated to the earthquake: pr2020146000. The temblor was detected at 20:47:21 / 8:47 pm (local time epicenter). Exact time and date of earthquake 25/05/20 / 2020-05-25 00:47:21 / May 25, 2020 @ 12:47 am UTC/GMT. The earthquake occurred at a depth of 14 km (9 miles) below the earth’s surface.

Epicenter of the event was 20 km (13 miles) from Ponce (c. 152 600 pop), 40 km (25 miles) from Mayagüez (c. 78 600 pop), 49 km (31 miles) from Arecibo (c. 49 300 pop), 63 km (39 miles) from Vega Baja (c. 29 300 pop), 54 km (34 miles) from Barceloneta (c. 22 300 pop). Nearest cities/city/towns to hypocenter/epicentrum was Ingenio, Candelaria Arenas, Candelaria (min 5000 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 130,000 minor earthquakes 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 five, in the last 10 days fourty-seven, in the past 30 days two hundred and thirteen and in the last 365 days two thousand, one hundred and sixteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km NW of Guayanilla, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -66.8043° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0356° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14 km Depth of the event in kilometers.
Place 2km NW of Guayanilla, 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 2020-05-25 00:47:21 Time when the event occurred. UTC/GMT
Updated 2020-05-25 02:15:42 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 130 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0963 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 106 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 pr2020146000 Id of event.
Event Code 2020146000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020146000, A comma-separated list of event ids that are associated to an event.

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