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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Ndoi Island in Fiji

Posted by admin on December 9, 2017 0 Comments

Earthquake location -21.8073S, -179.2615WA light earthquake magnitude 4.1 (ml/mb) has struck on Thursday, 140 km SSW of Ndoi Island, Fiji (87 miles). Event ids that are associated to the earthquake: us2000c20b. Id of event: us2000c20b. Exact location, longitude -179.2615° West, latitude -21.8073° South, depth = 510.87 km. Date and time of earthquake in UTC/GMT: 01/12/17 / 2017-12-01 00:18:59 / December 1, 2017 @ 12:18 am. The temblor was picked up at 12:18:59 / 12:18 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 510.87 km (317 miles) below the earth’s surface.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days nine and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 140 km SSW of Ndoi Island, Fiji.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -179.2615° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.8073° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 510.87 km Depth of the event in kilometers.
Place 140km SSW 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 2017-12-01 00:18:59 Time when the event occurred. UTC/GMT
Updated 2017-12-09 05:56:53 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 259 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 7.503 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 255 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 us2000c20b Id of event.
Event Code 2000c20b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000c20b, A comma-separated list of event ids that are associated to an event.

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