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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Isangel in Vanuatu


Earthquake location -18.9279S, 169.7844WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 87 kilometers (54 miles) from Isangel in Vanuatu. All ids that are associated to the event: us10007dr6. Unique identifier: us10007dr6. Exact location of event, longitude 169.7844 East, latitude -18.9279 South, depth = 254.15 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 21/11/16 / 2016-11-21 11:43:45 / November 21, 2016 @ 11:43 am UTC/GMT. The earthquake was roughly at a depth of 254.15 km (158 miles). The temblor was picked up at 22:43:45 / 10:43 pm (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Isangel. Epicenter of the event was 88 km (55 miles) from Isangel (c. 1 400 pop). Country/countries that might be effected, Vanuatu (c. 222 000 pop).

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

Did you feel anything?

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 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: 87 km NE of Isangel, Vanuatu.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 169.7844° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.9279° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 254.15 km Depth of the event in kilometers.
Place 87km NE of Isangel, Vanuatu Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-11-21 11:43:45 Time when the event occurred. UTC/GMT
Updated 2016-12-05 12:43:59 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 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 3.019 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us10007dr6 Id of event.
Event Code 10007dr6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007dr6, A comma-separated list of event ids that are associated to an event.

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