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Minor earthquake 2.8 mag, 55 km N of Hatillo, Puerto Rico


Earthquake location 18.9813S, -66.763WA minor earthquake with magnitude 2.8 (ml/mb) was reported 55 kilometers (34 miles) from Hatillo in Puerto Rico on Saturday. Exact location of earthquake, longitude -66.763 West, latitude 18.9813 North, depth = 27 km. Id of earthquake: pr16184010. Event ids that are associated: pr16184010. Date and time of earthquake in UTC/GMT: 02/07/16 / 2016-07-02 05:45:20 / July 2, 2016 @ 5:45 am. The temblor was picked up at 01:45:20 / 1:45 am (local time epicenter). The earthquake occurred at a depth of 27 km (17 miles) below the earth’s surface.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Antonio, San Sebastián, Moca (min 5000 pop). Event epicenter was 57 km (35 miles) from Arecibo (c. 49 300 pop), 72 km (44 miles) from Vega Baja (c. 29 300 pop), 64 km (40 miles) from Barceloneta (c. 22 300 pop), 68 km (42 miles) from Manatí (c. 16 100 pop), 74 km (46 miles) from Aguadilla (c. 16 100 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days twenty-seven and in the last 365 days four hundred and twenty-two earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1,300,000 minor quakes in the world each year.

How would you describe the shaking?

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: 55 km N of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.763° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9813° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27 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 2016-07-02 05:45:20 Time when the event occurred. UTC/GMT
Updated 2016-07-02 09:49:42 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.60726113 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 313.2 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 pr16184010 Id of event.
Event Code 16184010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16184010, A comma-separated list of event ids that are associated to an event.

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