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Minor earthquake: M2.8 quake has struck near Vieques in Puerto Rico


Earthquake location 19.6951S, -65.4255WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Friday, 146 km NNE of Vieques, Puerto Rico (91 miles). Event id: pr15213001. Ids that are associated to the earthquake: pr15213001. Exact time and date of event in UTC/GMT: 01/08/15 / 2015-08-01 02:12:47 / August 1, 2015 @ 2:12 am. Exact location of event, depth 60 km, -65.4255° West, 19.6951° North. The epicenter of the earthquake was roughly 60 km (37 miles) below the earth’s surface. The temblor was detected at 22:12:47 / 10:12 pm (local time epicenter).

In the past 24 hours, there have been ten, in the last 10 days seventy-three, in the past 30 days one hundred and two and in the last 365 days four hundred earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 146 km NNE of Vieques, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.4255° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.6951° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 60 km Depth of the event in kilometers.
Place 146km 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 2015-08-01 02:12:47 Time when the event occurred. UTC/GMT
Updated 2015-08-01 02:38:44 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 121 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.38610048 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 284.4 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 pr15213001 Id of event.
Event Code 15213001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15213001, A comma-separated list of event ids that are associated to an event.

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