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Minor earthquake, 2.81 mag has occurred near Isabela in Puerto Rico


Earthquake location 19.0775S, -66.9996WA minor earthquake magnitude 2.81 (ml/mb) has occurred on Wednesday, 63 kilometers (39 miles) from Isabela in Puerto Rico. The 2.81-magnitude earthquake has occurred at 07:35:01 / 7:35 am (local time epicenter). Event ids that are associated to the earthquake: pr2019303008. Id of event: pr2019303008. The earthquake occurred at a depth of 8 km (5 miles). Exact location of earthquake, longitude -66.9996 West, latitude 19.0775 North, depth = 8 km. Exact time and date of event in UTC/GMT: 30/10/19 / 2019-10-30 11:35:01 / October 30, 2019 @ 11:35 am.

The epicenter was 74 km (46 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Aguadilla (c. 16 100 pop), 64 km (40 miles) from Isabela (c. 12 500 pop), 68 km (42 miles) from Hatillo (c. 5 600 pop), 67 km (42 miles) from Quebradillas (c. 5 600 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Moca, Aguadilla, Arecibo.

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

Did you feel it?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 63 km N of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -66.9996° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0775° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8 km Depth of the event in kilometers.
Place 63km 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 2019-10-30 11:35:01 Time when the event occurred. UTC/GMT
Updated 2019-10-30 19:18:48 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 121 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6201 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 353 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 pr2019303008 Id of event.
Event Code 2019303008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019303008, A comma-separated list of event ids that are associated to an event.

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