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Minor earthquake, 2.81 mag strikes near Quebradillas in Puerto Rico


Earthquake location 18.562S, -66.9295WA minor earthquake magnitude 2.81 (ml/mb) has struck on Monday, 9 kilometers (6 miles) from Quebradillas in Puerto Rico. The earthquake occurred at a depth of 83 km (52 miles) below the earth’s surface. The 2.81-magnitude earthquake has occurred at 17:23:14 / 5:23 pm (local time epicenter). Exact location of earthquake, -66.9295° West, 18.562° North, depth 83 km. Event ids that are associated to the earthquake: pr2019357033. Id of event: pr2019357033. Global date and time of event UTC/GMT: 23/12/19 / 2019-12-23 21:23:14 / December 23, 2019 @ 9:23 pm.

Nearest cities/city/villages to epicentrum/hypocenter was Candelaria Arenas, Ingenio, Campanilla (min 5000 pop). Earthquake epicenter was 70 km (43 miles) from Ponce (c. 152 600 pop), 46 km (28 miles) from Mayagüez (c. 78 600 pop), 25 km (15 miles) from Arecibo (c. 49 300 pop), 59 km (36 miles) from Vega Baja (c. 29 300 pop), 43 km (27 miles) from Barceloneta (c. 22 300 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

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. In the past 24 hours, there have been thirteen, in the last 10 days ninety-two, in the past 30 days one hundred and fifty-eight and in the last 365 days seven hundred and fifty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 9 km N of Quebradillas, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -66.9295° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.562° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 83 km Depth of the event in kilometers.
Place 9km N of Quebradillas, 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 2019-12-23 21:23:14 Time when the event occurred. UTC/GMT
Updated 2019-12-23 21:35:57 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2048 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 215 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 pr2019357033 Id of event.
Event Code 2019357033 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2019357033, A comma-separated list of event ids that are associated to an event.

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