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Minor earthquake 3.14 mag, 64 km N of Culebra, Puerto Rico

Earthquake location 18.8818S, -65.2438WA minor earthquake magnitude 3.14 (ml/mb) has occurred on Tuesday, 64 kilometers (40 miles) from Culebra in Puerto Rico. The temblor was picked up at 22:52:18 / 10:52 pm (local time epicenter). Exact time and date of event in UTC/GMT: 10/10/18 / 2018-10-10 02:52:18 / October 10, 2018 @ 2:52 am. Id of earthquake: pr2018283000. Event ids that are associated: pr2018283000. Exact location of event, depth 25 km, -65.2438° West, 18.8818° North. The earthquake occurred at a depth of 25 km (16 miles).

Epicenter of the event was 75 km (47 miles) from Fajardo (c. 34 100 pop), 69 km (43 miles) from Charlotte Amalie (c. 20 000 pop), 75 km (47 miles) from Luquillo (c. 8 300 pop), 77 km (48 miles) from Cruz Bay (c. 2 700 pop), 65 km (40 miles) from Culebra (c. 1 500 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Cruz Bay, Luquillo, Fajardo (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days twenty-seven, in the past 30 days fourty-seven and in the last 365 days four hundred and fifty-nine earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world. 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 64 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 -65.2438° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8818° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25 km Depth of the event in kilometers.
Place 64km 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 2018-10-10 02:52:18 Time when the event occurred. UTC/GMT
Updated 2018-10-10 04:16:58 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 16 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9556 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 321 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 pr2018283000 Id of event.
Event Code 2018283000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018283000, A comma-separated list of event ids that are associated to an event.

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