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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.69 mag, 50 km NNW of Charlotte Amalie, U.S. Virgin Islands


Earthquake location 18.7816S, -65.063WA minor earthquake with magnitude 3.69 (ml/mb) was reported 50 kilometers (31 miles) from Charlotte Amalie in U.S. Virgin Islands on Friday. Exact location, longitude -65.063° West, latitude 18.7816° North, depth = 76 km. Global time and date of event 22/12/17 / 2017-12-22 20:38:35 / December 22, 2017 @ 8:38 pm UTC/GMT. Event id: pr2017356008. Ids that are associated to the earthquake: pr2017356008. The earthquake occurred at a depth of 76 km (47 miles) below the earth’s surface. The temblor was reported at 16:38:35 / 4:38 pm (local time epicenter).

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 Ceiba, Luquillo, Isabel Segunda (min 5000 pop). Epicenter of the event was 80 km (50 miles) from Fajardo (c. 34 100 pop), 62 km (38 miles) from Tortola (c. 23 900 pop), 51 km (32 miles) from Charlotte Amalie (c. 20 000 pop), 81 km (50 miles) from Isabel Segunda (c. 9 300 pop), 61 km (38 miles) from Road Town (c. 8 400 pop), 83 km (51 miles) from Luquillo (c. 8 300 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days twenty and in the last 365 days four hundred and twenty-two earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 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: 50 km NNW 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 3.69 mb The magnitude for the event.
Longitude -65.063° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7816° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76 km Depth of the event in kilometers.
Place 50km NNW 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 2017-12-22 20:38:35 Time when the event occurred. UTC/GMT
Updated 2017-12-23 02:33:07 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 209 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.2782 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 196 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 pr2017356008 Id of event.
Event Code 2017356008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017356008, A comma-separated list of event ids that are associated to an event.

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