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Minor earthquake: M3 quake has struck near Puerto Rico region


Earthquake location 18.9943S, -66.8028WA minor earthquake with magnitude 3 (ml/mb) was reported Puerto Rico region kilometers (0 miles) from Puerto Rico region on Saturday. Unique identifier: pr16184017. Ids that are associated to the event: pr16184017. Exact location of event, longitude -66.8028 West, latitude 18.9943 North, depth = 8 km. The earthquake occurred at a depth of 8 km (5 miles). The temblor was detected at 06:57:08 / 6:57 am (local time epicenter). Date and time of earthquake in UTC/GMT: 02/07/16 / 2016-07-02 06:57:08 / July 2, 2016 @ 6:57 am.

The epicenter was 59 km (37 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Vega Baja (c. 29 300 pop), 67 km (41 miles) from Barceloneta (c. 22 300 pop), 71 km (44 miles) from Manatí (c. 16 100 pop), 73 km (45 miles) from Aguadilla (c. 16 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Lares, Ceiba, San Sebastián. Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days twenty-seven and in the last 365 days four hundred and twenty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: Puerto Rico region.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -66.8028° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9943° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8 km Depth of the event in kilometers.
Place Puerto Rico region 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 06:57:08 Time when the event occurred. UTC/GMT
Updated 2016-07-02 11:56:08 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 138 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.60007461 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 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 pr16184017 Id of event.
Event Code 16184017 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16184017, A comma-separated list of event ids that are associated to an event.

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