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Minor earthquake 3 mag, 61 km N of Culebra, Puerto Rico

Earthquake location 18.8561S, -65.2171WA minor earthquake magnitude 3 (ml/mb) has occurred on Monday, 61 kilometers (38 miles) from Culebra in Puerto Rico. The 3-magnitude earthquake was detected at 14:01:11 / 2:01 pm (local time epicenter). The earthquake occurred at a depth of 50 km (31 miles). Exact time and date of event in UTC/GMT: 04/01/16 / 2016-01-04 18:01:11 / January 4, 2016 @ 6:01 pm. Event id: pr16004006. Ids that are associated to the earthquake: pr16004006. Exact location of event, longitude -65.2171 West, latitude 18.8561 North, depth = 50 km.

The epicenter was 75 km (46 miles) from Fajardo (c. 34 100 pop), 65 km (40 miles) from Charlotte Amalie (c. 20 000 pop), 75 km (47 miles) from Luquillo (c. 8 300 pop), 73 km (46 miles) from Cruz Bay (c. 2 700 pop), 62 km (39 miles) from Culebra (c. 1 500 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Luquillo, Fajardo, Cruz Bay (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days fourty-three and in the last 365 days five hundred and eighty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. 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. 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: 61 km N of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -65.2171° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8561° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 61km 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 2016-01-04 18:01:11 Time when the event occurred. UTC/GMT
Updated 2016-01-04 18:28:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 138 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.54797232 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 230.4 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 pr16004006 Id of event.
Event Code 16004006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16004006, A comma-separated list of event ids that are associated to an event.

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