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Minor earthquake, 3.11 mag strikes near La Parguera in Puerto Rico


Earthquake location 17.9446S, -67.012WA minor earthquake magnitude 3.11 (ml/mb) has struck on Wednesday, 4 kilometers (2 miles) from La Parguera in Puerto Rico. Global time and date of event 20/01/21 / 2021-01-20 01:52:29 / January 20, 2021 @ 1:52 am UTC/GMT. The temblor was reported at 01:52:29 / 1:52 am (local time epicenter). Exact location of earthquake, longitude -67.012 West, latitude 17.9446 North, depth = 5 km. Event id: pr2021020001. Ids that are associated to the earthquake: pr2021020001. The earthquake was roughly at a depth of 5 km (3 miles).

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Coco, Barranquitas, Manatí (min 5000 pop). The epicenter was 43 km (27 miles) from Ponce (c. 152 600 pop), 32 km (20 miles) from Mayagüez (c. 78 600 pop), 67 km (41 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Barceloneta (c. 22 300 pop), 20 km (12 miles) from Yauco (c. 20 300 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been three, in the last 10 days twenty-five, in the past 30 days one hundred and nineteen and in the last 365 days two thousand, one hundred and twenty-one earthquakes of magnitude 3.0 or greater that has struck near.

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. 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 La Parguera, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -67.012° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9446° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 4 km SE of La Parguera, 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 2021-01-20 01:52:29 Time when the event occurred. UTC/GMT
Updated 2021-01-20 02:15:58 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 149 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 0.0407 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 220 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 pr2021020001 Id of event.
Event Code 2021020001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2021020001, A comma-separated list of event ids that are associated to an event.

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