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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Port-Vila in Vanuatu



Earthquake location -17.7811S, 167.5514WA light earthquake with magnitude 4.5 (ml/mb) was reported 81 kilometers (50 miles) from Port-Vila in Vanuatu on Saturday. The temblor was picked up at 23:03:00 / 11:03 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 167.5514° East, latitude -17.7811° South, depth = 59.1 km. Exact time and date of earthquake 15/04/17 / 2017-04-15 12:03:00 / April 15, 2017 @ 12:03 pm UTC/GMT. Unique identifier: us10008jib. Ids that are associated to the event: us10008jib. The earthquake was roughly at a depth of 59.1 km (37 miles).

Earthquake epicenter was 82 km (51 miles) from Port-Vila (c. 35 900 pop). Country/countries that might be effected, Vanuatu (c. 222 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Port-Vila (min 5000 pop).

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

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 81 km W of Port-Vila, Vanuatu.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 167.5514° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.7811° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 59.1 km Depth of the event in kilometers.
Place 81km W 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 2017-04-15 12:03:00 Time when the event occurred. UTC/GMT
Updated 2017-04-24 06:54:39 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 312 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 2.994 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 us10008jib Id of event.
Event Code 10008jib An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008jib, A comma-separated list of event ids that are associated to an event.

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