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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 270 km N of Ndoi Island, Fiji

Earthquake location -18.2517S, -178.1989WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 270 km N of Ndoi Island, Fiji (168 miles). Global date and time of event UTC/GMT: 19/08/18 / 2018-08-19 08:25:34 / August 19, 2018 @ 8:25 am. Exact location of earthquake, -178.1989° West, -18.2517° South, depth 543.64 km. The 4.2-magnitude earthquake was detected at 20:25:34 / 8:25 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us1000gip1. Unique identifier: us1000gip1. The epicenter was at a depth of 543.64 km (338 miles).

There are an estimated 13,000 light earthquakes 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 two hundred and twelve, in the last 10 days two hundred and fourteen, in the past 30 days two hundred and twenty and in the last 365 days three hundred and sixty-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

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: 270 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 -178.1989° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.2517° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 543.64 km Depth of the event in kilometers.
Place 270km 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 2018-08-19 08:25:34 Time when the event occurred. UTC/GMT
Updated 2018-09-15 09:22:33 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 3.602 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us1000gip1 Id of event.
Event Code 1000gip1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000gip1, A comma-separated list of event ids that are associated to an event.

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