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Minor earthquake, 3.1 mag was detected near Culebra in Puerto Rico



Earthquake location 18.8096S, -65.2673WA minor earthquake magnitude 3.1 (ml/mb) has struck on Thursday, 56 kilometers (35 miles) from Culebra in Puerto Rico. Exact location of event, longitude -65.2673 West, latitude 18.8096 North, depth = 56 km. Event id: pr16266001. Ids that are associated to the earthquake: pr16266001. The earthquake occurred at a depth of 56 km (35 miles). Exact time and date of earthquake 22/09/16 / 2016-09-22 04:03:16 / September 22, 2016 @ 4:03 am UTC/GMT. The temblor was detected at 00:03:16 / 12:03 am (local time epicenter).

Event epicenter was 67 km (42 miles) from Fajardo (c. 34 100 pop), 63 km (39 miles) from Charlotte Amalie (c. 20 000 pop), 76 km (47 miles) from Río Grande (c. 13 500 pop), 76 km (47 miles) from Isabel Segunda (c. 9 300 pop), 80 km (50 miles) from Road Town (c. 8 400 pop). Nearest cities/city/towns to hypocenter/epicentrum was Road Town, San Isidro, Loíza (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop), U.S. Virgin Islands (c. 109 000 pop).

In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days fourty-eight and in the last 365 days five hundred and fourteen 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 the quake?

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. 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: 56 km N of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -65.2673° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8096° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56 km Depth of the event in kilometers.
Place 56km 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 2016-09-22 04:03:16 Time when the event occurred. UTC/GMT
Updated 2016-09-22 07:57:55 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 148 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 3 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.54348075 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.02 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 266.4 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 pr16266001 Id of event.
Event Code 16266001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16266001, A comma-separated list of event ids that are associated to an event.

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