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Minor earthquake, 3.14 mag was detected near Culebra in Puerto Rico


Earthquake location 18.9773S, -65.3556WA minor earthquake with magnitude 3.14 (ml/mb) was reported 74 kilometers (46 miles) from Culebra in Puerto Rico on Tuesday. The epicenter was at a depth of 13 km (8 miles). Global date and time of event UTC/GMT: 04/07/17 / 2017-07-04 14:21:47 / July 4, 2017 @ 2:21 pm. The 3.14-magnitude earthquake was detected at 10:21:47 / 10:21 am (local time epicenter). Id of earthquake: pr2017185004. Event ids that are associated: pr2017185004. Exact location, longitude -65.3556° West, latitude 18.9773° North, depth = 13 km.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Fajardo, Luquillo, Culebra. The epicenter was 79 km (49 miles) from Fajardo (c. 34 100 pop), 77 km (48 miles) from Luquillo (c. 8 300 pop), 75 km (47 miles) from Culebra (c. 1 500 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days twenty-two, in the past 30 days fourty and in the last 365 days four hundred and fifty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 130,000 minor earthquakes in the world.

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

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More information

Parameter Value Description
Magnitude 3.14 mb The magnitude for the event.
Longitude -65.3556° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9773° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 74km 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 2017-07-04 14:21:47 Time when the event occurred. UTC/GMT
Updated 2017-07-06 16:49:29 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 152 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 0.6738 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 254 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 pr2017185004 Id of event.
Event Code 2017185004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017185004, A comma-separated list of event ids that are associated to an event.

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