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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Ndoi Island in Fiji


Earthquake location -20.6804S, -178.0945WA light earthquake with magnitude 4.2 (ml/mb) was reported 63 km E of Ndoi Island, Fiji (39 miles) on Thursday. Exact location of event, depth 508.82 km, -178.0945° West, -20.6804° South. The 4.2-magnitude earthquake has occurred at 11:28:35 / 11:28 am (local time epicenter). Global date and time of event UTC/GMT: 04/10/18 / 2018-10-04 23:28:35 / October 4, 2018 @ 11:28 pm. The epicenter was at a depth of 508.82 km (316 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000haka. Ids that are associated to the earthquake: us1000haka.

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

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 63 km E 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 -178.0945° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.6804° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 508.82 km Depth of the event in kilometers.
Place 63km E 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 2018-10-04 23:28:35 Time when the event occurred. UTC/GMT
Updated 2018-10-22 04:22:44 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 4.666 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 232 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 us1000haka Id of event.
Event Code 1000haka An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000haka, A comma-separated list of event ids that are associated to an event.

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