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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, Fiji region



Earthquake location -17.6443S, -177.9422WA light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, Fiji region (0 miles). Id of earthquake: us100072ec. Event ids that are associated: us100072ec. The earthquake occurred at a depth of 535.72 km (333 miles). The temblor was picked up at 18:25:42 / 6:25 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 21/10/16 / 2016-10-21 06:25:42 / October 21, 2016 @ 6:25 am UTC/GMT. Exact location of earthquake, longitude -177.9422 West, latitude -17.6443 South, depth = 535.72 km.

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. In the past 24 hours, there have been seven, in the last 10 days twelve, in the past 30 days twenty-four and in the last 365 days one hundred and fifty-eight earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: Fiji region.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -177.9422° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.6443° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 535.72 km Depth of the event in kilometers.
Place Fiji region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-10-21 06:25:42 Time when the event occurred. UTC/GMT
Updated 2016-11-16 08:23:21 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 312 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 3.819 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us100072ec Id of event.
Event Code 100072ec An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100072ec, A comma-separated list of event ids that are associated to an event.

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