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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Ndoi Island in Fiji

Posted by admin on September 16, 2018 0 Comments

Earthquake location -18.2644S, -177.9565WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 275 km NNE of Ndoi Island, Fiji (171 miles). Date and time of earthquake in UTC/GMT: 19/08/18 / 2018-08-19 06:03:33 / August 19, 2018 @ 6:03 am. The 4-magnitude earthquake was detected at 18:03:33 / 6:03 pm (local time epicenter). Event id: us1000gina. Ids that are associated to the earthquake: us1000gina. Exact location of earthquake, longitude -177.9565 West, latitude -18.2644 South, depth = 461.66 km. The earthquake occurred at a depth of 461.66 km (287 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two hundred and nineteen, in the last 10 days two hundred and twenty-two, in the past 30 days two hundred and twenty-seven and in the last 365 days three hundred and sixty-seven 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.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 275 km NNE of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -177.9565° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.2644° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 461.66 km Depth of the event in kilometers.
Place 275km 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 2018-08-19 06:03:33 Time when the event occurred. UTC/GMT
Updated 2018-09-16 05:26:02 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 246 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 3.832 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us1000gina Id of event.
Event Code 1000gina An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000gina, A comma-separated list of event ids that are associated to an event.

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