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Minor earthquake: M3.18 quake has struck near Culebra in Puerto Rico

Posted by admin on September 23, 2018 0 Comments

Earthquake location 18.654S, -65.2546WA minor earthquake with magnitude 3.18 (ml/mb) was detected on Saturday, 39 kilometers (24 miles) from Culebra in Puerto Rico. The temblor was picked up at 18:21:19 / 6:21 pm (local time epicenter). The epicenter of the earthquake was roughly 65 km (40 miles) below the earth’s surface. Exact location of event, longitude -65.2546 West, latitude 18.654 North, depth = 65 km. Global time and date of event 22/09/18 / 2018-09-22 22:21:19 / September 22, 2018 @ 10:21 pm UTC/GMT. Unique identifier: pr2018265011. Ids that are associated to the event: pr2018265011.

Epicenter of the earthquake was 80 km (50 miles) from Carolina (c. 170 400 pop), 56 km (35 miles) from Fajardo (c. 34 100 pop), 73 km (45 miles) from Tortola (c. 23 900 pop), 49 km (30 miles) from Charlotte Amalie (c. 20 000 pop), 68 km (42 miles) from Río Grande (c. 13 500 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). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Carolina, Santa Barbara, Punta Santiago.

In the past 24 hours, there have been three, in the last 10 days eleven, in the past 30 days twenty-nine and in the last 365 days four hundred and eight 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. There are an estimated 130,000 minor earthquakes in the world each year.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 39 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 3.18 mb The magnitude for the event.
Longitude -65.2546° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.654° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65 km Depth of the event in kilometers.
Place 39km 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 2018-09-22 22:21:19 Time when the event occurred. UTC/GMT
Updated 2018-09-23 00:08:26 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 156 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7843 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 334 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 pr2018265011 Id of event.
Event Code 2018265011 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018265011, A comma-separated list of event ids that are associated to an event.

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