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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Ndoi Island in Fiji


Earthquake location -19.9436S, -177.2824WA light earthquake with magnitude 4.2 (ml/mb) was reported 167 km ENE of Ndoi Island, Fiji (104 miles) on Wednesday. The earthquake was roughly at a depth of 386.04 km (240 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -177.2824 West, latitude -19.9436 South, depth = 386.04 km. The temblor was detected at 12:15:35 / 12:15 pm (local time epicenter). Exact time and date of event in UTC/GMT: 10/08/17 / 2017-08-10 00:15:35 / August 10, 2017 @ 12:15 am. Id of earthquake: us2000a8e3. Event ids that are associated: us2000a8e3.

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

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: 167 km ENE of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -177.2824° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.9436° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 386.04 km Depth of the event in kilometers.
Place 167km ENE 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 2017-08-10 00:15:35 Time when the event occurred. UTC/GMT
Updated 2017-08-23 00:27:04 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 4.929 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 96 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 us2000a8e3 Id of event.
Event Code 2000a8e3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a8e3, A comma-separated list of event ids that are associated to an event.

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