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Minor earthquake 3.15 mag, 6 km WSW of Guánica, Puerto Rico


Earthquake location 17.9405S, -66.9568WA minor earthquake with magnitude 3.15 (ml/mb) was reported 6 kilometers (4 miles) from Guánica in Puerto Rico on Saturday. Global time and date of event 26/09/20 / 2020-09-26 20:14:17 / September 26, 2020 @ 8:14 pm UTC/GMT. Event ids that are associated to the earthquake: pr2020270022. Id of event: pr2020270022. Exact location of earthquake, -66.9568° West, 17.9405° North, depth 7 km. The earthquake occurred at a depth of 7 km (4 miles) below the earth’s surface. The temblor was detected at 20:14:17 / 8:14 pm (local time epicenter).

The epicenter was 37 km (23 miles) from Ponce (c. 152 600 pop), 35 km (22 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 15 km (10 miles) from Yauco (c. 20 300 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Aibonito, Coco, Barranquitas (min 5000 pop).

In the past 24 hours, there have been eleven, in the last 10 days thirty-eight, in the past 30 days eighty-three and in the last 365 days two thousand, six hundred and ninety-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every 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.

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. 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: 6 km WSW of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.15 mb The magnitude for the event.
Longitude -66.9568° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9405° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7 km Depth of the event in kilometers.
Place 6 km WSW of Guánica, 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 2020-09-26 20:14:17 Time when the event occurred. UTC/GMT
Updated 2020-09-26 20:51:28 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 153 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.085 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208 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 pr2020270022 Id of event.
Event Code 2020270022 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020270022, A comma-separated list of event ids that are associated to an event.

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