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Minor earthquake, 2.9 mag has occurred near Hatillo in Puerto Rico


Earthquake location 18.9822S, -66.7338WA minor earthquake magnitude 2.9 (ml/mb) has struck on Thursday, 55 kilometers (34 miles) from Hatillo in Puerto Rico. Exact location of event, longitude -66.7338 West, latitude 18.9822 North, depth = 38 km. All ids that are associated to the event: pr16064000, us10004ult. Unique identifier: pr16064000. Date and time of earthquake in UTC/GMT: 04/03/16 / 2016-03-04 00:26:31 / March 4, 2016 @ 12:26 am. The temblor was picked up at 20:26:31 / 8:26 pm (local time epicenter). The epicenter of the earthquake was roughly 38 km (24 miles) below the earth’s surface.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ciales, San Sebastián, Moca. Event epicenter was 57 km (35 miles) from Arecibo (c. 49 300 pop), 70 km (44 miles) from Vega Baja (c. 29 300 pop), 63 km (39 miles) from Barceloneta (c. 22 300 pop), 67 km (41 miles) from Manatí (c. 16 100 pop), 76 km (47 miles) from Aguadilla (c. 16 100 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days twenty-one and in the last 365 days four hundred and fifty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 55 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -66.7338° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9822° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38 km Depth of the event in kilometers.
Place 55km N of Hatillo, 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 2016-03-04 00:26:31 Time when the event occurred. UTC/GMT
Updated 2016-03-04 05:50:51 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 129 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,us, A comma-separated list of network contributors.
Number of Stations Used 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.53809086 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 259.2 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 pr16064000 Id of event.
Event Code 16064000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16064000,us10004ult, A comma-separated list of event ids that are associated to an event.

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