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Minor earthquake, 3.18 mag strikes near Culebra in Puerto Rico

Earthquake location 18.9126S, -65.1965WA minor earthquake with magnitude 3.18 (ml/mb) was reported 68 kilometers (42 miles) from Culebra in Puerto Rico on Sunday. Exact location of event, longitude -65.1965 West, latitude 18.9126 North, depth = 27 km. The 3.18-magnitude earthquake has occurred at 13:34:43 / 1:34 pm (local time epicenter). All ids that are associated to the event: pr2021017015. Unique identifier: pr2021017015. The epicenter of the earthquake was roughly 27 km (17 miles) below the earth’s surface. Global date and time of event UTC/GMT: 17/01/21 / 2021-01-17 13:34:43 / January 17, 2021 @ 1:34 pm.

Nearest cities/city/towns to hypocenter/epicentrum was Cruz Bay, Charlotte Amalie, Culebra (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Earthquake epicenter was 69 km (43 miles) from Charlotte Amalie (c. 20 000 pop), 77 km (48 miles) from Cruz Bay (c. 2 700 pop), 69 km (43 miles) from Culebra (c. 1 500 pop).

In the past 24 hours, there have been seven, in the last 10 days eighteen, in the past 30 days thirty-four and in the last 365 days two hundred and five earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 68 km N of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.18 mb The magnitude for the event.
Longitude -65.1965° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9126° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27 km Depth of the event in kilometers.
Place 68 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 13:34:43 Time when the event occurred. UTC/GMT
Updated 2021-01-17 14:37:50 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 156 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 0.8897 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.26 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 pr2021017015 Id of event.
Event Code 2021017015 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2021017015, A comma-separated list of event ids that are associated to an event.

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