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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Port-Vila in Vanuatu


Earthquake location -17.5386S, 168.6005WA light earthquake with magnitude 4.1 (ml/mb) was detected on Friday, 36 kilometers (22 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 4.1-magnitude earthquake has occurred at 16:18:13 / 4:18 pm (local time epicenter). All ids that are associated to the event: us1000gad2. Unique identifier: us1000gad2. Date and time of earthquake in UTC/GMT: 10/08/18 / 2018-08-10 05:18:13 / August 10, 2018 @ 5:18 am. The earthquake occurred at a depth of 198.21 km (123 miles). Exact location of event, longitude 168.6005 East, latitude -17.5386 South, depth = 198.21 km.

Close country/countries, Vanuatu (c. 222 000 pop) (That might be effected). Epicenter of the event was 37 km (23 miles) from Port-Vila (c. 35 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Port-Vila.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light earthquakes in the world. 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: 36 km NE of Port-Vila, Vanuatu. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 168.6005° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.5386° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 198.21 km Depth of the event in kilometers.
Place 36km NE 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 2018-08-10 05:18:13 Time when the event occurred. UTC/GMT
Updated 2018-08-25 08:37:02 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 259 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 3.468 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 164 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 us1000gad2 Id of event.
Event Code 1000gad2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000gad2, A comma-separated list of event ids that are associated to an event.

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