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Light earthquake, 4.5 mag was detected near Ndoi Island in Fiji

Posted by admin on September 21, 2017 0 Comments

Earthquake location -18.3191S, -177.9506WA light earthquake with magnitude 4.5 (ml/mb) was reported 269 km NNE of Ndoi Island, Fiji (167 miles) on Wednesday. Global time and date of event 21/09/17 / 2017-09-21 00:43:43 / September 21, 2017 @ 12:43 am UTC/GMT. All ids that are associated to the event: us2000as95. Unique identifier: us2000as95. The temblor was reported at 12:43:43 / 12:43 pm (local time epicenter). The epicenter was at a depth of 525.15 km (326 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -177.9506° West, latitude -18.3191° South, depth = 525.15 km.

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 269 km NNE of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -177.9506° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.3191° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 525.15 km Depth of the event in kilometers.
Place 269km 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 2017-09-21 00:43:43 Time when the event occurred. UTC/GMT
Updated 2017-09-21 01:01:51 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 3.845 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 70 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 us2000as95 Id of event.
Event Code 2000as95 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000as95, A comma-separated list of event ids that are associated to an event.

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