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Light earthquake, 4.22 mag strikes near Charlotte Amalie in U.S. Virgin Islands

Posted by admin on July 28, 2019 0 Comments

Earthquake location 18.497S, -64.995WA light earthquake magnitude 4.22 (ml/mb) strikes 12 kilometers (7 miles) from Charlotte Amalie in U.S. Virgin Islands on Sunday. Exact time and date of earthquake 28/07/19 / 2019-07-28 21:41:43 / July 28, 2019 @ 9:41 pm UTC/GMT. The epicenter was at a depth of 13 km (8 miles). Exact location of earthquake, -64.995° West, 18.497° North, depth 13 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 17:41:43 / 5:41 pm (local time epicenter). Id of earthquake: pr2019209009. Event ids that are associated: pt19209051, us60004wuy, pr2019209009.

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). Nearest cities/city/towns to hypocenter/epicentrum was Saint Croix, Río Grande, Punta Santiago (min 5000 pop). The epicenter was 89 km (56 miles) from Saint Croix (c. 50 600 pop), 72 km (45 miles) from Fajardo (c. 34 100 pop), 42 km (26 miles) from Tortola (c. 23 900 pop), 19 km (12 miles) from Charlotte Amalie (c. 20 000 pop), 89 km (55 miles) from Río Grande (c. 13 500 pop), 61 km (38 miles) from Isabel Segunda (c. 9 300 pop).

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

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 12 km NW of Charlotte Amalie, U.S. Virgin Islands.

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More information

Parameter Value Description
Magnitude 4.22 mb The magnitude for the event.
Longitude -64.995° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.497° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place 12km NW 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 2019-07-28 21:41:43 Time when the event occurred. UTC/GMT
Updated 2019-07-28 23:06:21 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 106 The total number of felt reports
CDI 4.3 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 320 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 ,pt,us,pr, A comma-separated list of network contributors.
Number of Stations Used 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.9246 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 pr2019209009 Id of event.
Event Code 2019209009 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt19209051,us60004wuy,pr2019209009, A comma-separated list of event ids that are associated to an event.

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