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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Port-Vila in Vanuatu


Earthquake location -17.6887S, 168.1436WA light earthquake magnitude 4.4 (ml/mb) has occurred on Saturday, 18 kilometers (11 miles) from Port-Vila in Vanuatu. Exact location of event, longitude 168.1436 East, latitude -17.6887 South, depth = 42.788 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 13/09/25 / 2025-09-13 23:55:48 / September 13, 2025 @ 11:55 pm UTC/GMT. Event ids that are associated to the earthquake: us6000rf4y. Id of event: us6000rf4y. The epicenter was at a depth of 42.788 km (27 miles). The temblor was detected at 23:55:48 / 11:55 pm (local time epicenter).

Epicenter of the event was 20 km (12 miles) from Port-Vila (c. 35 900 pop). Nearby country/countries that might be effected, Vanuatu (c. 222 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Port-Vila (min 5000 pop).

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 18 km WNW of Port-Vila, Vanuatu.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 168.1436° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.6887° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 42.788 km Depth of the event in kilometers.
Place 18 km WNW 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 2025-09-13 23:55:48 Time when the event occurred. UTC/GMT
Updated 2025-10-10 22:46:45 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 298 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 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.404 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us6000rf4y Id of event.
Event Code 6000rf4y An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rf4y, A comma-separated list of event ids that are associated to an event.

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