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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 241 km NNE of Ndoi Island, Fiji

Posted by admin on November 18, 2018 0 Comments

Earthquake location -18.6658S, -177.7472WA light earthquake with magnitude 4.2 (ml/mb) was reported 241 km NNE of Ndoi Island, Fiji (150 miles) on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000hh1n. Id of event: us1000hh1n. Exact location of earthquake, longitude -177.7472 West, latitude -18.6658 South, depth = 523.51 km. Date and time of earthquake in UTC/GMT: 21/10/18 / 2018-10-21 17:38:52 / October 21, 2018 @ 5:38 pm. The 4.2-magnitude earthquake has occurred at 05:38:52 / 5:38 am (local time epicenter). The earthquake occurred at a depth of 523.51 km (325 miles).

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 241 km NNE of Ndoi Island, Fiji. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -177.7472° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.6658° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 523.51 km Depth of the event in kilometers.
Place 241km NNE of Ndoi Island, Fiji Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-21 17:38:52 Time when the event occurred. UTC/GMT
Updated 2018-11-18 18:38:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 4.096 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 169 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 us1000hh1n Id of event.
Event Code 1000hh1n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hh1n, A comma-separated list of event ids that are associated to an event.

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