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Minor earthquake: M3.42 quake has struck near Luquillo in Puerto Rico

Earthquake location 18.9965S, -65.4555WA minor earthquake magnitude 3.42 (ml/mb) has struck on Sunday, 74 kilometers (46 miles) from Luquillo in Puerto Rico. The earthquake occurred at a depth of 25 km (16 miles). The 3.42-magnitude earthquake has occurred at 10:29:56 / 10:29 am (local time epicenter). Event ids that are associated to the earthquake: pr2020313002. Id of event: pr2020313002. Exact time and date of event in UTC/GMT: 08/11/20 / 2020-11-08 10:29:56 / November 8, 2020 @ 10:29 am. Exact location of event, depth 25 km, -65.4555° West, 18.9965° North.

Epicenter of the earthquake was 77 km (48 miles) from Fajardo (c. 34 100 pop), 79 km (49 miles) from Río Grande (c. 13 500 pop), 83 km (52 miles) from Canovanas (c. 8 400 pop), 75 km (46 miles) from Luquillo (c. 8 300 pop), 81 km (50 miles) from San Isidro (c. 8 100 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Canovanas, Santa Barbara, San Isidro (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days seven and in the last 365 days one hundred and ninety-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 74 km NNE of Luquillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.42 mb The magnitude for the event.
Longitude -65.4555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9965° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25 km Depth of the event in kilometers.
Place 74 km 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 2020-11-08 10:29:56 Time when the event occurred. UTC/GMT
Updated 2020-11-08 11:04:20 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 180 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9405 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 311 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 pr2020313002 Id of event.
Event Code 2020313002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020313002, A comma-separated list of event ids that are associated to an event.

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