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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Port-Vila in Vanuatu


Earthquake location -17.3629S, 167.8473WA light earthquake with magnitude 4.6 (ml/mb) was reported 64 kilometers (40 miles) from Port-Vila in Vanuatu on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 20/02/21 / 2021-02-20 03:29:52 / February 20, 2021 @ 3:29 am. Unique identifier: us7000ddk3. Ids that are associated to the event: us7000ddk3. Exact location of event, longitude 167.8473 East, latitude -17.3629 South, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The 4.6-magnitude earthquake has occurred at 03:29:52 / 3:29 am (local time epicenter).

Close country/countries that might be effected, Vanuatu (c. 222 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Port-Vila (min 5000 pop). Epicenter of the earthquake was 65 km (40 miles) from Port-Vila (c. 35 900 pop).

Every 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. In the past 24 hours, there have been eight, in the last 10 days thirty, in the past 30 days thirty-four and in the last 365 days one hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

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

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 167.8473° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.3629° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 64 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 2021-02-20 03:29:52 Time when the event occurred. UTC/GMT
Updated 2021-02-26 00:44:24 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.002 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 179 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 us7000ddk3 Id of event.
Event Code 7000ddk3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ddk3, A comma-separated list of event ids that are associated to an event.

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