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Minor earthquake 2.8 mag, 68 km N of Brenas, Puerto Rico



Earthquake location 19.0831S, -66.4063WA minor earthquake with magnitude 2.8 (ml/mb) was reported 68 kilometers (42 miles) from Brenas in Puerto Rico on Friday. The epicenter was at a depth of 20 km (12 miles). Exact location of event, depth 20 km, -66.4063° West, 19.0831° North. Event ids that are associated to the earthquake: pr2017321000. Id of event: pr2017321000. The 2.8-magnitude earthquake was detected at 04:03:45 / 4:03 am (local time epicenter). Exact time and date of earthquake 17/11/17 / 2017-11-17 08:03:45 / November 17, 2017 @ 8:03 am UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Candelaria Arenas, Sabana Seca, Campanilla (min 5000 pop). Epicenter of the earthquake was 76 km (47 miles) from San Juan (c. 418 100 pop), 75 km (47 miles) from Arecibo (c. 49 300 pop), 74 km (46 miles) from Levittown (c. 29 800 pop), 71 km (44 miles) from Vega Baja (c. 29 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days five, in the past 30 days ten and in the last 365 days two hundred and fourty-one earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 68 km N of Brenas, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.4063° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0831° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 68km N of Brenas, 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 2017-11-17 08:03:45 Time when the event occurred. UTC/GMT
Updated 2017-11-17 11:14:47 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 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8144 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 349 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 pr2017321000 Id of event.
Event Code 2017321000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017321000, A comma-separated list of event ids that are associated to an event.

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