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Minor earthquake: M2.8 quake has struck near Emajagua in Puerto Rico

Earthquake location 17.8829S, -65.642WA minor earthquake magnitude 2.8 (ml/mb) strikes 28 kilometers (17 miles) from Emajagua in Puerto Rico on Saturday. The epicenter of the earthquake was roughly 6 km (4 miles) below the earth’s surface. Event ids that are associated to the earthquake: pr16247009. Id of event: pr16247009. The 2.8-magnitude earthquake was detected at 04:45:32 / 4:45 am (local time epicenter). Global date and time of event UTC/GMT: 03/09/16 / 2016-09-03 08:45:32 / September 3, 2016 @ 8:45 am. Exact location, longitude -65.642° West, latitude 17.8829° North, depth = 6 km.

Epicenter of the event was 65 km (40 miles) from Carolina (c. 170 400 pop), 58 km (36 miles) from Caguas (c. 86 800 pop), 72 km (45 miles) from Guaynabo (c. 81 400 pop), 65 km (40 miles) from Trujillo Alto (c. 54 200 pop), 49 km (31 miles) from Fajardo (c. 34 100 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Guaynabo, Comerío, Aibonito (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been six, in the last 10 days eight, in the past 30 days ten and in the last 365 days eighty earthquakes of magnitude 3.0 or greater that was reported nearby.

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. 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: 28 km ESE of Emajagua, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.642° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8829° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 28km ESE 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 2016-09-03 08:45:32 Time when the event occurred. UTC/GMT
Updated 2016-09-03 09:19:10 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 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2290704 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 180 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 pr16247009 Id of event.
Event Code 16247009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16247009, A comma-separated list of event ids that are associated to an event.

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