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Minor earthquake, 2.8 mag has occurred near Vieques in Puerto Rico

Earthquake location 18.9995S, -65.795WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Thursday, 63 kilometers (39 miles) from Vieques in Puerto Rico. Date and time of earthquake in UTC/GMT: 21/11/19 / 2019-11-21 16:10:46 / November 21, 2019 @ 4:10 pm. The temblor was picked up at 12:10:46 / 12:10 pm (local time epicenter). The epicenter of the earthquake was roughly 28 km (17 miles) below the earth’s surface. Event id: pr2019325025. Ids that are associated to the earthquake: pr2019325025. Exact location of event, longitude -65.795 West, latitude 18.9995 North, depth = 28 km.

Earthquake epicenter was 68 km (42 miles) from San Juan (c. 418 100 pop), 77 km (48 miles) from Bayamón (c. 203 500 pop), 71 km (44 miles) from Carolina (c. 170 400 pop), 75 km (47 miles) from Trujillo Alto (c. 54 200 pop), 76 km (47 miles) from Fajardo (c. 34 100 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Bayamón, Ingenio, Fajardo (min 5000 pop).

There are an estimated 1,300,000 minor quakes 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 eight, in the last 10 days twenty-one, in the past 30 days fourty-four and in the last 365 days three hundred and thirty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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: 63 km N of Vieques, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.795° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9995° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28 km Depth of the event in kilometers.
Place 63km N 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 2019-11-21 16:10:46 Time when the event occurred. UTC/GMT
Updated 2019-11-21 18:39:37 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7484 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 309 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 pr2019325025 Id of event.
Event Code 2019325025 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019325025, A comma-separated list of event ids that are associated to an event.

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