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Minor earthquake, 2.96 mag strikes near Isabela in Puerto Rico


Earthquake location 18.813S, -66.932WA minor earthquake magnitude 2.96 (ml/mb) has struck on Thursday, 35 kilometers (22 miles) from Isabela in Puerto Rico. Event ids that are associated to the earthquake: pr2019332005. Id of event: pr2019332005. The epicenter was at a depth of 24 km (15 miles). Exact location of earthquake, -66.932° West, 18.813° North, depth 24 km. Global time and date of event 28/11/19 / 2019-11-28 09:19:53 / November 28, 2019 @ 9:19 am UTC/GMT. The 2.96-magnitude earthquake was detected at 05:19:53 / 5:19 am (local time epicenter).

Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Earthquake epicenter was 71 km (44 miles) from Mayagüez (c. 78 600 pop), 44 km (27 miles) from Arecibo (c. 49 300 pop), 70 km (44 miles) from Vega Baja (c. 29 300 pop), 58 km (36 miles) from Barceloneta (c. 22 300 pop), 75 km (47 miles) from Adjuntas (c. 19 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Antonio, Hormigueros, Morovis (min 5000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days thirty-five, in the past 30 days eighty-seven and in the last 365 days six hundred and seventy-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 35 km NNE of Isabela, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.96 mb The magnitude for the event.
Longitude -66.932° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.813° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24 km Depth of the event in kilometers.
Place 35km NNE 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 2019-11-28 09:19:53 Time when the event occurred. UTC/GMT
Updated 2019-11-28 13:05:35 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 135 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 0.3892 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 250 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 pr2019332005 Id of event.
Event Code 2019332005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019332005, A comma-separated list of event ids that are associated to an event.

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