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Minor earthquake: M2.85 quake has struck near Isabela in Puerto Rico


Earthquake location 18.9603S, -67.1118WA minor earthquake with magnitude 2.85 (ml/mb) was reported 51 kilometers (32 miles) from Isabela in Puerto Rico on Saturday. Global date and time of event UTC/GMT: 30/11/19 / 2019-11-30 08:34:40 / November 30, 2019 @ 8:34 am. The temblor was detected at 04:34:40 / 4:34 am (local time epicenter). The earthquake occurred at a depth of 6 km (4 miles). Exact location of event, longitude -67.1118 West, latitude 18.9603 North, depth = 6 km. All ids that are associated to the event: pr2019334008. Unique identifier: pr2019334008.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 68 km (43 miles) from Arecibo (c. 49 300 pop), 59 km (37 miles) from Aguadilla (c. 16 100 pop), 52 km (32 miles) from Isabela (c. 12 500 pop), 71 km (44 miles) from San Sebastián (c. 11 600 pop), 75 km (47 miles) from Añasco (c. 6 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Añasco, San Sebastián, Rincón.

In the past 24 hours, there have been seven, in the last 10 days fourty-one, in the past 30 days eighty-eight and in the last 365 days seven hundred and thirty-five 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. There are an estimated 1,300,000 minor quakes in the world each year.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 51 km N of Isabela, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -67.1118° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9603° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 51km N 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 2019-11-30 08:34:40 Time when the event occurred. UTC/GMT
Updated 2019-11-30 14:51:24 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 125 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4928 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 219 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 pr2019334008 Id of event.
Event Code 2019334008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019334008, A comma-separated list of event ids that are associated to an event.

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