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

Posted by admin on October 31, 2018 0 Comments

Earthquake location 18.7811S, -65.1793WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, 54 kilometers (34 miles) from Culebra in Puerto Rico. The temblor was detected at 18:33:16 / 6:33 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 30/10/18 / 2018-10-30 22:33:16 / October 30, 2018 @ 10:33 pm. The epicenter of the earthquake was roughly 49 km (30 miles) below the earth’s surface. Event ids that are associated to the earthquake: pr2018303004. Id of event: pr2018303004. Exact location of event, longitude -65.1793 West, latitude 18.7811 North, depth = 49 km.

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). Nearest cities/city/villages to epicentrum/hypocenter was Ceiba, Isabel Segunda, Luquillo (min 5000 pop). Epicenter of the earthquake was 71 km (44 miles) from Fajardo (c. 34 100 pop), 72 km (44 miles) from Tortola (c. 23 900 pop), 55 km (34 miles) from Charlotte Amalie (c. 20 000 pop), 76 km (47 miles) from Isabel Segunda (c. 9 300 pop), 71 km (44 miles) from Road Town (c. 8 400 pop).

In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days thirty-three and in the last 365 days four hundred and sixty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 54 km NNE of Culebra, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -65.1793° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7811° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 49 km Depth of the event in kilometers.
Place 54km NNE 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 2018-10-30 22:33:16 Time when the event occurred. UTC/GMT
Updated 2018-10-31 00:03:43 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 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9255 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 331 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 pr2018303004 Id of event.
Event Code 2018303004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018303004, A comma-separated list of event ids that are associated to an event.

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