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Minor earthquake: M3.1 quake has struck near Culebra in Puerto Rico


Earthquake location 18.9529S, -65.3287WA minor earthquake with magnitude 3.1 (ml/mb) was reported 71 kilometers (44 miles) from Culebra in Puerto Rico on Monday. Global time and date of event 01/02/21 / 2021-02-01 01:59:24 / February 1, 2021 @ 1:59 am UTC/GMT. Id of earthquake: us6000ddji. Event ids that are associated: us6000ddji. The temblor was detected at 01:59:24 / 1:59 am (local time epicenter). The earthquake occurred at a depth of 35 km (22 miles). Exact location, longitude -65.3287° West, latitude 18.9529° North, depth = 35 km.

Event epicenter was 78 km (48 miles) from Fajardo (c. 34 100 pop), 80 km (50 miles) from Charlotte Amalie (c. 20 000 pop), 76 km (47 miles) from Luquillo (c. 8 300 pop), 72 km (45 miles) from Culebra (c. 1 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was Charlotte Amalie, Fajardo, Luquillo (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected).

In the past 24 hours, there have been fourteen, in the last 10 days twenty-two, in the past 30 days sixty-seven and in the last 365 days two hundred and fourty-three earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 71 km N of Culebra, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -65.3287° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9529° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 71 km N of Culebra, 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 2021-02-01 01:59:24 Time when the event occurred. UTC/GMT
Updated 2021-02-01 02:22:44 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 148 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.945 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 224 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000ddji Id of event.
Event Code 6000ddji An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ddji, A comma-separated list of event ids that are associated to an event.

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