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Light earthquake: M4.5 quake has struck near Charlotte Amalie in U.S. Virgin Islands

Posted by admin on September 12, 2018 0 Comments

Earthquake location 18.716S, -64.869WA light earthquake magnitude 4.5 (ml/mb) has struck on Wednesday, 41 kilometers (25 miles) from Charlotte Amalie in U.S. Virgin Islands. Id of earthquake: pt18255050. Event ids that are associated: pt18255050. The 4.5-magnitude earthquake was detected at 00:18:00 / 12:18 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 12/09/18 / 2018-09-12 04:18:00 / September 12, 2018 @ 4:18 am. Exact location of earthquake, -64.869° West, 18.716° North, depth 10 km.

Nearby 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 Ceiba, Fajardo, Isabel Segunda. Epicenter of the event was 93 km (58 miles) from Fajardo (c. 34 100 pop), 42 km (26 miles) from Tortola (c. 23 900 pop), 42 km (26 miles) from Charlotte Amalie (c. 20 000 pop), 87 km (54 miles) from Isabel Segunda (c. 9 300 pop), 41 km (26 miles) from Road Town (c. 8 400 pop), 96 km (60 miles) from Ceiba (c. 6 300 pop), 43 km (27 miles) from Cruz Bay (c. 2 700 pop).

In the past 24 hours, there have been one, in the last 10 days eleven, in the past 30 days thirty-five and in the last 365 days three hundred and ninety-four earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 41 km N of Charlotte Amalie, U.S. Virgin Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -64.869° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.716° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 41km N of Charlotte Amalie, U.S. Virgin Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-12 04:18:00 Time when the event occurred. UTC/GMT
Updated 2018-09-12 04:28:21 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 9 The total number of felt reports
CDI 3.8 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 315 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pt The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt, A comma-separated list of network contributors.
Number of Stations Used 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pt18255050 Id of event.
Event Code 18255050 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt18255050, A comma-separated list of event ids that are associated to an event.

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