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Minor earthquake, 2.8 mag has occurred near Isabela in Puerto Rico


Earthquake location 19.065S, -66.9745WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 62 kilometers (39 miles) from Isabela in Puerto Rico. The temblor was reported at 23:20:50 / 11:20 pm (local time epicenter). Exact location of earthquake, -66.9745° West, 19.065° North, depth 62 km. The epicenter was at a depth of 62 km (39 miles). Global date and time of event UTC/GMT: 29/06/16 / 2016-06-29 03:20:50 / June 29, 2016 @ 3:20 am. Event ids that are associated to the earthquake: pr16181001. Id of event: pr16181001.

Earthquake epicenter was 71 km (44 miles) from Arecibo (c. 49 300 pop), 73 km (46 miles) from Aguadilla (c. 16 100 pop), 63 km (39 miles) from Isabela (c. 12 500 pop), 66 km (41 miles) from Hatillo (c. 5 600 pop), 66 km (41 miles) from Quebradillas (c. 5 600 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Moca, Aguadilla, Arecibo (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days twenty-six and in the last 365 days four hundred and fourty-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?

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. 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: 62 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.9745° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.065° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62 km Depth of the event in kilometers.
Place 62km 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 2016-06-29 03:20:50 Time when the event occurred. UTC/GMT
Updated 2016-06-29 07:57:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.71955054 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 288 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 pr16181001 Id of event.
Event Code 16181001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16181001, A comma-separated list of event ids that are associated to an event.

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