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Minor earthquake: M2.9 quake has struck near San Antonio in Puerto Rico



Earthquake location 18.9888S, -67.6455WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Wednesday, 79 km NW of San Antonio, Puerto Rico (49 miles). Exact location of event, depth 41 km, -67.6455° West, 18.9888° North. Event ids that are associated to the earthquake: pr16244006. Id of event: pr16244006. The earthquake was roughly at a depth of 41 km (25 miles). The temblor was detected at 18:39:33 / 6:39 pm (local time epicenter). Global date and time of event UTC/GMT: 31/08/16 / 2016-08-31 23:39:33 / August 31, 2016 @ 11:39 pm.

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 79 km NW of San Antonio, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -67.6455° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9888° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41 km Depth of the event in kilometers.
Place 79km NW 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 2016-08-31 23:39:33 Time when the event occurred. UTC/GMT
Updated 2016-09-01 06:45:43 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 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, 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 0.96658725 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 219.6 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 pr16244006 Id of event.
Event Code 16244006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16244006, A comma-separated list of event ids that are associated to an event.

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