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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Ndoi Island in Fiji


Earthquake location -18.0478S, -178.3701WA light earthquake with magnitude 4.2 (ml/mb) was reported 290 km N of Ndoi Island, Fiji (180 miles) on Thursday. Id of earthquake: us1000h3aj. Event ids that are associated: us1000h3aj. The earthquake occurred at a depth of 600.66 km (373 miles) below the earth’s surface. The 4.2-magnitude earthquake was detected at 03:55:42 / 3:55 am (local time epicenter). Exact location of earthquake, longitude -178.3701 West, latitude -18.0478 South, depth = 600.66 km. Date and time of earthquake in UTC/GMT: 20/09/18 / 2018-09-20 15:55:42 / September 20, 2018 @ 3:55 pm. 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 quakes 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 seventeen, in the last 10 days thirty-eight, in the past 30 days one hundred and seven and in the last 365 days four hundred and fourty-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 290 km N of Ndoi Island, Fiji. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -178.3701° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.0478° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 600.66 km Depth of the event in kilometers.
Place 290km N 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 2018-09-20 15:55:42 Time when the event occurred. UTC/GMT
Updated 2018-10-09 14:40:33 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 271 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 3.419 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 115 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 us1000h3aj Id of event.
Event Code 1000h3aj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h3aj, A comma-separated list of event ids that are associated to an event.

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