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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.44 mag has occurred near Luquillo in Puerto Rico

Earthquake location 18.979S, -65.4648WA minor earthquake with magnitude 3.44 (ml/mb) was reported 72 kilometers (45 miles) from Luquillo in Puerto Rico on Sunday. The earthquake occurred at a depth of 46 km (29 miles). Exact location of event, longitude -65.4648 West, latitude 18.979 North, depth = 46 km. Global date and time of event UTC/GMT: 31/01/21 / 2021-01-31 18:19:16 / January 31, 2021 @ 6:19 pm. The 3.44-magnitude earthquake was detected at 18:19:16 / 6:19 pm (local time epicenter). Event id: pr2021031012. Ids that are associated to the earthquake: pr2021031012.

Closest city/cities/towns to epicentrum/hypocenter was Ceiba, Canovanas, Santa Barbara (min 5000 pop). The epicenter was 75 km (47 miles) from Fajardo (c. 34 100 pop), 77 km (48 miles) from Río Grande (c. 13 500 pop), 81 km (50 miles) from Canovanas (c. 8 400 pop), 72 km (45 miles) from Luquillo (c. 8 300 pop), 79 km (49 miles) from San Isidro (c. 8 100 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every 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 twelve, in the past 30 days fifty-four and in the last 365 days two hundred and twenty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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: 72 km NNE of Luquillo, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.44 mb The magnitude for the event.
Longitude -65.4648° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.979° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46 km Depth of the event in kilometers.
Place 72 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 2021-01-31 18:19:16 Time when the event occurred. UTC/GMT
Updated 2021-01-31 18:44:42 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 182 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8861 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 303 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 pr2021031012 Id of event.
Event Code 2021031012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2021031012, A comma-separated list of event ids that are associated to an event.

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