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Minor earthquake, 3.1 mag strikes near Culebra in Puerto Rico

Earthquake location 18.5881S, -65.1709WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Saturday, 34 kilometers (21 miles) from Culebra in Puerto Rico. Event id: pr17091011. Ids that are associated to the earthquake: pr17091011. Exact time and date of event in UTC/GMT: 01/04/17 / 2017-04-01 16:13:41 / April 1, 2017 @ 4:13 pm. The earthquake occurred at a depth of 88 km (55 miles). The temblor was picked up at 12:13:41 / 12:13 pm (local time epicenter). Exact location of event, depth 88 km, -65.1709° West, 18.5881° North.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Canovanas, San Isidro, Punta Santiago. Earthquake epicenter was 59 km (36 miles) from Fajardo (c. 34 100 pop), 62 km (39 miles) from Tortola (c. 23 900 pop), 37 km (23 miles) from Charlotte Amalie (c. 20 000 pop), 73 km (46 miles) from Río Grande (c. 13 500 pop), 57 km (35 miles) from Isabel Segunda (c. 9 300 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been eight, in the last 10 days thirty-five, in the past 30 days fifty-nine and in the last 365 days four hundred and fifteen 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.

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 34 km NNE of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -65.1709° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5881° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 88 km Depth of the event in kilometers.
Place 34km NNE 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 2017-04-01 16:13:41 Time when the event occurred. UTC/GMT
Updated 2017-04-01 17:24:45 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.29824067 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 291.6 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 pr17091011 Id of event.
Event Code 17091011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17091011, A comma-separated list of event ids that are associated to an event.

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