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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near Port-Vila in Vanuatu


Earthquake location -16.9629S, 168.5344WA light earthquake with magnitude 4.6 (ml/mb) was reported 88 kilometers (55 miles) from Port-Vila in Vanuatu on Monday. The 4.6-magnitude earthquake was detected at 02:30:06 / 2:30 am (local time epicenter). Global time and date of event 11/08/25 / 2025-08-11 02:30:06 / August 11, 2025 @ 2:30 am UTC/GMT. Event ids that are associated to the earthquake: us7000qu3f. Id of event: us7000qu3f. The earthquake occurred at a depth of 10 km (6 miles). Exact location of earthquake, longitude 168.5344 East, latitude -16.9629 South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Vanuatu (c. 222 000 pop). Earthquake epicenter was 89 km (55 miles) from Port-Vila (c. 35 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Port-Vila (min 5000 pop).

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 88 km NNE of Port-Vila, Vanuatu.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 168.5344° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.9629° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 88 km NNE 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 2025-08-11 02:30:06 Time when the event occurred. UTC/GMT
Updated 2025-09-08 01:17:07 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 326 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.977 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 147 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 us7000qu3f Id of event.
Event Code 7000qu3f An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qu3f, A comma-separated list of event ids that are associated to an event.

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