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Minor earthquake, 3.1 mag has occurred near Culebra in Puerto Rico



Earthquake location 18.7217S, -65.2291WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Saturday, 46 kilometers (29 miles) from Culebra in Puerto Rico. Event ids that are associated to the earthquake: pr17084003. Id of event: pr17084003. The temblor was reported at 13:15:33 / 1:15 pm (local time epicenter). Exact location of earthquake, longitude -65.2291 West, latitude 18.7217 North, depth = 23 km. The earthquake was roughly at a depth of 23 km (14 miles). Date and time of earthquake in UTC/GMT: 25/03/17 / 2017-03-25 17:15:33 / March 25, 2017 @ 5:15 pm.

The epicenter was 63 km (39 miles) from Fajardo (c. 34 100 pop), 73 km (45 miles) from Tortola (c. 23 900 pop), 53 km (33 miles) from Charlotte Amalie (c. 20 000 pop), 74 km (46 miles) from Río Grande (c. 13 500 pop), 68 km (42 miles) from Isabel Segunda (c. 9 300 pop). Nearest cities/city/villages to epicentrum/hypocenter was San Isidro, Naguabo, Loíza (min 5000 pop). Close 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).

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. In the past 24 hours, there have been one, in the last 10 days fourteen, in the past 30 days fifty-six and in the last 365 days four hundred earthquakes of magnitude 3.0 or greater that have been detected nearby.

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: 46 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 -65.2291° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7217° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23 km Depth of the event in kilometers.
Place 46km 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 2017-03-25 17:15:33 Time when the event occurred. UTC/GMT
Updated 2017-03-25 19:37:52 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 0.41502166 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 320.4 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 pr17084003 Id of event.
Event Code 17084003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17084003, A comma-separated list of event ids that are associated to an event.

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