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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Ndoi Island in Fiji

Posted by admin on October 28, 2018 0 Comments

Earthquake location -18.4647S, -177.9621WA light earthquake magnitude 4.3 (ml/mb) has occurred on Sunday, 253 km NNE of Ndoi Island, Fiji (157 miles). The 4.3-magnitude earthquake was detected at 01:20:09 / 1:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -177.9621° West, latitude -18.4647° South, depth = 442.69 km. The earthquake was roughly at a depth of 442.69 km (275 miles). All ids that are associated to the event: us1000hh1e. Unique identifier: us1000hh1e. Global date and time of event UTC/GMT: 21/10/18 / 2018-10-21 13:20:09 / October 21, 2018 @ 1:20 pm.

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

Did you feel it?

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. 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: 253 km NNE of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -177.9621° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.4647° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 442.69 km Depth of the event in kilometers.
Place 253km 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 13:20:09 Time when the event occurred. UTC/GMT
Updated 2018-10-28 18:10:56 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 284 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 3.857 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 102 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 us1000hh1e Id of event.
Event Code 1000hh1e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hh1e, A comma-separated list of event ids that are associated to an event.

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