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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Ndoi Island in Fiji

Posted by admin on February 7, 2020 0 Comments

Earthquake location -21.554S, -178.0356WA light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, 121 km SE of Ndoi Island, Fiji (75 miles). The epicenter of the earthquake was roughly 468.49 km (291 miles) below the earth’s surface. The 4.5-magnitude earthquake has occurred at 13:46:05 / 1:46 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us70007l0i. Ids that are associated to the earthquake: us70007l0i. Exact location of event, longitude -178.0356 West, latitude -21.554 South, depth = 468.49 km. Exact time and date of earthquake 31/01/20 / 2020-01-31 01:46:05 / January 31, 2020 @ 1:46 am UTC/GMT.

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days four and in the last 365 days sixty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 121 km SE of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -178.0356° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.554° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 468.49 km Depth of the event in kilometers.
Place 121km SE 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 2020-01-31 01:46:05 Time when the event occurred. UTC/GMT
Updated 2020-02-07 22:48:06 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 5.286 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us70007l0i Id of event.
Event Code 70007l0i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007l0i, A comma-separated list of event ids that are associated to an event.

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