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Minor earthquake: M3.1 quake has struck near San Antonio in Puerto Rico



Earthquake location 19.141S, -67.3294WA minor earthquake magnitude 3.1 (ml/mb) has occurred on Friday, 75 kilometers (47 miles) from San Antonio in Puerto Rico. Date and time of earthquake in UTC/GMT: 16/09/16 / 2016-09-16 11:59:54 / September 16, 2016 @ 11:59 am. The temblor was detected at 07:59:54 / 7:59 am (local time epicenter). Exact location, longitude -67.3294° West, latitude 19.141° North, depth = 29 km. Event ids that are associated to the earthquake: pr16260004. Id of event: pr16260004. The earthquake occurred at a depth of 29 km (18 miles).

Nearest cities/city/villages to epicentrum/hypocenter was Isabela (min 5000 pop). Earthquake epicenter was 78 km (49 miles) from Isabela (c. 12 500 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days thirteen and in the last 365 days two hundred and twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel anything?

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: 75 km NNW of San Antonio, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -67.3294° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.141° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29 km Depth of the event in kilometers.
Place 75km NNW of San Antonio, 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 2016-09-16 11:59:54 Time when the event occurred. UTC/GMT
Updated 2016-09-16 16:14:38 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 148 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.70068592 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 309.6 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 pr16260004 Id of event.
Event Code 16260004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16260004, A comma-separated list of event ids that are associated to an event.

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