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Minor earthquake, 2.85 mag strikes near Culebra in Puerto Rico

Earthquake location 18.6321S, -65.2305WA minor earthquake with magnitude 2.85 (ml/mb) was detected on Monday, 37 kilometers (23 miles) from Culebra in Puerto Rico. All ids that are associated to the event: pr2018260006. Unique identifier: pr2018260006. The epicenter was at a depth of 58 km (36 miles). Exact location of event, longitude -65.2305 West, latitude 18.6321 North, depth = 58 km. The temblor was picked up at 08:01:51 / 8:01 am (local time epicenter). Global time and date of event 17/09/18 / 2018-09-17 12:01:51 / September 17, 2018 @ 12:01 pm UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Canovanas, Punta Santiago, San Isidro (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). The epicenter was 56 km (35 miles) from Fajardo (c. 34 100 pop), 69 km (43 miles) from Tortola (c. 23 900 pop), 45 km (28 miles) from Charlotte Amalie (c. 20 000 pop), 69 km (43 miles) from Río Grande (c. 13 500 pop), 58 km (36 miles) from Isabel Segunda (c. 9 300 pop).

In the past 24 hours, there have been 0, in the last 10 days nine, in the past 30 days thirty-two and in the last 365 days three hundred and ninety-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 37 km NNE of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -65.2305° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6321° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58 km Depth of the event in kilometers.
Place 37km 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 2018-09-17 12:01:51 Time when the event occurred. UTC/GMT
Updated 2018-09-17 12:26:47 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 125 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 0.789 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 325 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 pr2018260006 Id of event.
Event Code 2018260006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018260006, A comma-separated list of event ids that are associated to an event.

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