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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.9 mag, 135 km NNE of Vieques, Puerto Rico


Earthquake location 19.569S, -65.3825WA minor earthquake magnitude 3.9 (ml/mb) strikes 135 km NNE of Vieques, Puerto Rico (84 miles) on Saturday. The temblor was detected at 05:31:46 / 5:31 am (local time epicenter). Event ids that are associated to the earthquake: pr16114004. Id of event: pr16114004. Exact location of event, depth 73 km, -65.3825° West, 19.569° North. Exact time and date of earthquake 23/04/16 / 2016-04-23 09:31:46 / April 23, 2016 @ 9:31 am UTC/GMT. The epicenter was at a depth of 73 km (45 miles).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days seventeen, in the past 30 days thirty-three and in the last 365 days seven hundred and seventy-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 135 km NNE of Vieques, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -65.3825° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.569° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 73 km Depth of the event in kilometers.
Place 135km NNE 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 2016-04-23 09:31:46 Time when the event occurred. UTC/GMT
Updated 2016-04-23 09:58:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 234 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 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.2576414 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 259.2 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 pr16114004 Id of event.
Event Code 16114004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16114004, A comma-separated list of event ids that are associated to an event.

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