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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Port-Vila in Vanuatu


Earthquake location -17.114S, 167.7457WA light earthquake magnitude 4.2 (ml/mb) strikes 91 kilometers (57 miles) from Port-Vila in Vanuatu on Saturday. Exact time and date of event in UTC/GMT: 12/09/20 / 2020-09-12 08:55:29 / September 12, 2020 @ 8:55 am. Exact location of earthquake, longitude 167.7457 East, latitude -17.114 South, depth = 10 km. The temblor was reported at 08:55:29 / 8:55 am (local time epicenter). Id of earthquake: us7000bpdf. Event ids that are associated: us7000bpdf. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 10 km (6 miles).

Country/countries that might be effected, Vanuatu (c. 222 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Port-Vila. Earthquake epicenter was 92 km (57 miles) from Port-Vila (c. 35 900 pop).

In the past 24 hours, there have been six, in the last 10 days twenty-six, in the past 30 days twenty-eight and in the last 365 days ninety-eight earthquakes of magnitude 3.0 or greater that has struck near. 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.

How would you describe the shaking?

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. 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: 91 km NW of Port-Vila, Vanuatu.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 167.7457° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.114° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 91 km NW 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 2020-09-12 08:55:29 Time when the event occurred. UTC/GMT
Updated 2020-09-25 12:09:07 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 271 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 1.737 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 114 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 us7000bpdf Id of event.
Event Code 7000bpdf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bpdf, A comma-separated list of event ids that are associated to an event.

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