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Minor earthquake, 2.91 mag strikes near Isabela in Puerto Rico

Earthquake location 19.5576S, -67.1081WA minor earthquake magnitude 2.91 (ml/mb) strikes 117 km N of Isabela, Puerto Rico (73 miles) on Monday. Global time and date of event 03/12/19 / 2019-12-03 00:12:03 / December 3, 2019 @ 12:12 am UTC/GMT. The temblor was reported at 20:12:03 / 8:12 pm (local time epicenter). The epicenter of the earthquake was roughly 40 km (25 miles) below the earth’s surface. Exact location, longitude -67.1081° West, latitude 19.5576° North, depth = 40 km. Unique identifier: pr2019337000. Ids that are associated to the event: pr2019337000.

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days thirty-three, in the past 30 days eighty-two and in the last 365 days seven hundred and fourty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 117 km N of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.91 mb The magnitude for the event.
Longitude -67.1081° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.5576° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 40 km Depth of the event in kilometers.
Place 117km N of Isabela, 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 2019-12-03 00:12:03 Time when the event occurred. UTC/GMT
Updated 2019-12-03 04:18:34 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 130 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 1.2616 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 270 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 pr2019337000 Id of event.
Event Code 2019337000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019337000, A comma-separated list of event ids that are associated to an event.

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