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Minor earthquake: M2.87 quake has struck near Luquillo in Puerto Rico


Earthquake location 19.4935S, -65.2936WA minor earthquake magnitude 2.87 (ml/mb) has struck on Sunday, 131 km NNE of Luquillo, Puerto Rico (81 miles). The epicenter of the earthquake was roughly 40 km (25 miles) below the earth’s surface. Unique identifier: pr2019035003. Ids that are associated to the event: pr2019035003. Exact location of earthquake, longitude -65.2936 West, latitude 19.4935 North, depth = 40 km. The temblor was detected at 22:49:17 / 10:49 pm (local time epicenter). Global date and time of event UTC/GMT: 04/02/19 / 2019-02-04 02:49:17 / February 4, 2019 @ 2:49 am.

In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days fourty-three and in the last 365 days four hundred and fourty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

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: 131 km NNE of Luquillo, 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 -65.2936° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.4935° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 40 km Depth of the event in kilometers.
Place 131km NNE of Luquillo, 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 2019-02-04 02:49:17 Time when the event occurred. UTC/GMT
Updated 2019-02-04 05:38:46 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.4237 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 329 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 pr2019035003 Id of event.
Event Code 2019035003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019035003, A comma-separated list of event ids that are associated to an event.

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