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Minor earthquake, 3.11 mag was detected near Culebra in Puerto Rico


Earthquake location 18.9688S, -65.1906WA minor earthquake with magnitude 3.11 (ml/mb) was detected on Sunday, 74 kilometers (46 miles) from Culebra in Puerto Rico. The temblor was reported at 12:06:36 / 12:06 pm (local time epicenter). Id of earthquake: pr2021017012. Event ids that are associated: pr2021017012. Global time and date of event 17/01/21 / 2021-01-17 12:06:36 / January 17, 2021 @ 12:06 pm UTC/GMT. Exact location of earthquake, longitude -65.1906 West, latitude 18.9688 North, depth = 27 km. The earthquake occurred at a depth of 27 km (17 miles) below the earth’s surface.

Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Epicenter of the event was 75 km (47 miles) from Charlotte Amalie (c. 20 000 pop), 75 km (47 miles) from Culebra (c. 1 500 pop). Nearest cities/city/villages to epicentrum/hypocenter was Culebra, Charlotte Amalie (min 5000 pop).

Earthquakes 2.5 to 3.2 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 fifteen, in the past 30 days thirty-two and in the last 365 days two hundred and one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 74 km N of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -65.1906° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9688° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27 km Depth of the event in kilometers.
Place 74 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 2021-01-17 12:06:36 Time when the event occurred. UTC/GMT
Updated 2021-01-17 12:38:32 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 149 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 0.9437 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 312 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 pr2021017012 Id of event.
Event Code 2021017012 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2021017012, A comma-separated list of event ids that are associated to an event.

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