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Minor earthquake, 2.9 mag strikes near Emajagua in Puerto Rico



Earthquake location 17.896S, -65.8851WA minor earthquake with magnitude 2.9 (ml/mb) was reported 11 kilometers (7 miles) from Emajagua in Puerto Rico on Friday. The temblor was picked up at 00:20:36 / 12:20 am (local time epicenter). The earthquake occurred at a depth of 6 km (4 miles) below the earth’s surface. Global date and time of event UTC/GMT: 23/12/16 / 2016-12-23 04:20:36 / December 23, 2016 @ 4:20 am. Exact location of earthquake, longitude -65.8851 West, latitude 17.896 North, depth = 6 km. Event ids that are associated to the earthquake: pr16358001. Id of event: pr16358001.

Nearest cities/city/towns to hypocenter/epicentrum was Culebra, San Antonio, Dorado (min 5000 pop). Epicenter of the event was 68 km (42 miles) from San Juan (c. 418 100 pop), 63 km (39 miles) from Bayamón (c. 203 500 pop), 54 km (34 miles) from Carolina (c. 170 400 pop), 41 km (26 miles) from Caguas (c. 86 800 pop), 57 km (35 miles) from Guaynabo (c. 81 400 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days eight and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

How would you describe the shaking?

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: 11 km S of Emajagua, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -65.8851° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.896° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 11km S of Emajagua, 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 2016-12-23 04:20:36 Time when the event occurred. UTC/GMT
Updated 2016-12-23 04:54:52 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 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.22188388 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 223.2 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 pr16358001 Id of event.
Event Code 16358001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16358001, A comma-separated list of event ids that are associated to an event.

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