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Minor earthquake 2.87 mag, 36 km ESE of Vieques, Puerto Rico

Earthquake location 18.0186S, -65.1311WA minor earthquake magnitude 2.87 (ml/mb) has occurred on Tuesday, 36 kilometers (22 miles) from Vieques in Puerto Rico. Exact location of event, depth 24 km, -65.1311° West, 18.0186° North. The epicenter of the earthquake was roughly 24 km (15 miles) below the earth’s surface. The temblor was picked up at 19:28:14 / 7:28 pm (local time epicenter). Event id: pr2018247008. Ids that are associated to the earthquake: pr2018247008. Global time and date of event 04/09/18 / 2018-09-04 23:28:14 / September 4, 2018 @ 11:28 pm UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Humacao, Luquillo, Tortola. Nearby 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). Epicenter of the event was 52 km (32 miles) from Saint Croix (c. 50 600 pop), 65 km (40 miles) from Fajardo (c. 34 100 pop), 73 km (45 miles) from Tortola (c. 23 900 pop), 75 km (47 miles) from Humacao (c. 20 400 pop), 42 km (26 miles) from Charlotte Amalie (c. 20 000 pop).

In the past 24 hours, there have been six, in the last 10 days seven, in the past 30 days seventeen and in the last 365 days one hundred and eighty-one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 36 km ESE of Vieques, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -65.1311° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0186° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24 km Depth of the event in kilometers.
Place 36km ESE of Vieques, 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 2018-09-04 23:28:14 Time when the event occurred. UTC/GMT
Updated 2018-09-18 14:28:26 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 127 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7283 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 339 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 pr2018247008 Id of event.
Event Code 2018247008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018247008, A comma-separated list of event ids that are associated to an event.

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