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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Ndoi Island in Fiji

Earthquake location -22.3036S, -179.5373WA light earthquake with magnitude 4.3 (ml/mb) was reported 202 km SSW of Ndoi Island, Fiji (126 miles) on Friday. Exact time and date of earthquake 21/10/17 / 2017-10-21 02:52:05 / October 21, 2017 @ 2:52 am UTC/GMT. Event ids that are associated to the earthquake: us1000axln. Id of event: us1000axln. Exact location of event, longitude -179.5373 West, latitude -22.3036 South, depth = 582 km. The temblor was detected at 14:52:05 / 2:52 pm (local time epicenter). The epicenter of the earthquake was roughly 582 km (362 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

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. 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: 202 km SSW of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -179.5373° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.3036° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 582 km Depth of the event in kilometers.
Place 202km SSW 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 2017-10-21 02:52:05 Time when the event occurred. UTC/GMT
Updated 2017-11-09 01:08:23 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 5.069 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 114 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 us1000axln Id of event.
Event Code 1000axln An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000axln, A comma-separated list of event ids that are associated to an event.

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