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Minor earthquake, 2.86 mag has occurred near Isabela in Puerto Rico


Earthquake location 19.113S, -67.1785WA minor earthquake magnitude 2.86 (ml/mb) strikes 69 kilometers (43 miles) from Isabela in Puerto Rico on Sunday. The epicenter was at a depth of 20 km (12 miles). Unique identifier: pr2019272053. Ids that are associated to the event: pr2019272053. The 2.86-magnitude earthquake has occurred at 19:55:36 / 7:55 pm (local time epicenter). Global date and time of event UTC/GMT: 29/09/19 / 2019-09-29 23:55:36 / September 29, 2019 @ 11:55 pm. Exact location of event, depth 20 km, -67.1785° West, 19.113° North.

Closest city/cities/towns to epicentrum/hypocenter was Aguadilla, Quebradillas, Isabela (min 5000 pop). Event epicenter was 76 km (47 miles) from Aguadilla (c. 16 100 pop), 70 km (43 miles) from Isabela (c. 12 500 pop), 75 km (47 miles) from Quebradillas (c. 5 600 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been seventeen, in the last 10 days one hundred and ninety-five, in the past 30 days two hundred and nine and in the last 365 days five hundred and thirty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

Questions or comments?

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: 69 km NNW of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.86 mb The magnitude for the event.
Longitude -67.1785° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.113° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 69km NNW of Isabela, 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 2019-09-29 23:55:36 Time when the event occurred. UTC/GMT
Updated 2019-09-30 00:43:32 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 126 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.649 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 285 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 pr2019272053 Id of event.
Event Code 2019272053 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019272053, A comma-separated list of event ids that are associated to an event.

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