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


Earthquake location 18.8866S, -65.2742WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Wednesday, 64 kilometers (40 miles) from Culebra in Puerto Rico. All ids that are associated to the event: pr16069003. Unique identifier: pr16069003. The epicenter was at a depth of 35 km (22 miles). Exact location, longitude -65.2742° West, latitude 18.8866° North, depth = 35 km. The temblor was picked up at 16:41:33 / 4:41 pm (local time epicenter). Global time and date of event 09/03/16 / 2016-03-09 20:41:33 / March 9, 2016 @ 8:41 pm UTC/GMT.

Nearby country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Cruz Bay, Ceiba, Fajardo (min 5000 pop). Earthquake epicenter was 74 km (46 miles) from Fajardo (c. 34 100 pop), 71 km (44 miles) from Charlotte Amalie (c. 20 000 pop), 74 km (46 miles) from Luquillo (c. 8 300 pop), 80 km (50 miles) from Ceiba (c. 6 300 pop), 80 km (50 miles) from Cruz Bay (c. 2 700 pop).

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

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. 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: 64 km N of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -65.2742° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8866° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 64km N of Culebra, 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 2016-03-09 20:41:33 Time when the event occurred. UTC/GMT
Updated 2016-03-09 21:08:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.57492178 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226.8 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 pr16069003 Id of event.
Event Code 16069003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16069003, A comma-separated list of event ids that are associated to an event.

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