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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag was detected near Port-Vila in Vanuatu


Earthquake location -18.4614S, 168.4882WA light earthquake with magnitude 4.7 (ml/mb) was detected on Tuesday, 82 kilometers (51 miles) from Port-Vila in Vanuatu. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 02:55:21 / 2:55 am (local time epicenter). Event id: us2000j5nm. Ids that are associated to the earthquake: us2000j5nm. Global date and time of event UTC/GMT: 31/12/18 / 2018-12-31 15:55:21 / December 31, 2018 @ 3:55 pm. Exact location of event, depth 48.2 km, 168.4882° East, -18.4614° South. The epicenter was at a depth of 48.2 km (30 miles).

Nearest cities/city/villages to epicentrum/hypocenter was Port-Vila (min 5000 pop). Nearby country/countries that might be effected, Vanuatu (c. 222 000 pop). Event epicenter was 83 km (51 miles) from Port-Vila (c. 35 900 pop).

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 82 km SSE of Port-Vila, Vanuatu.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 168.4882° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.4614° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.2 km Depth of the event in kilometers.
Place 82km SSE of Port-Vila, Vanuatu Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-31 15:55:21 Time when the event occurred. UTC/GMT
Updated 2019-01-21 18:07:18 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 340 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.072 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000j5nm Id of event.
Event Code 2000j5nm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j5nm, A comma-separated list of event ids that are associated to an event.

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