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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 73 km ENE of Tadine, New Caledonia


Earthquake location -21.2567S, 168.5178WA light earthquake with magnitude 4.7 (ml/mb) was detected on Wednesday, 73 kilometers (45 miles) from Tadine in New Caledonia. Unique identifier: us1000bjcu. Ids that are associated to the event: us1000bjcu. Global time and date of event 21/11/17 / 2017-11-21 14:03:20 / November 21, 2017 @ 2:03 pm UTC/GMT. Exact location of earthquake, longitude 168.5178 East, latitude -21.2567 South, depth = 13.19 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 13.19 km (8 miles). The temblor was reported at 01:03:20 / 1:03 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Tadine (min 5000 pop). Epicenter of the earthquake was 73 km (46 miles) from Tadine (c. 7 500 pop). Country/countries that might be effected, New Caledonia (c. 216 000 pop).

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

Questions or comments?

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. 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: 73 km ENE of Tadine, New Caledonia.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 168.5178° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.2567° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.19 km Depth of the event in kilometers.
Place 73km ENE of Tadine, New Caledonia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-21 14:03:20 Time when the event occurred. UTC/GMT
Updated 2017-12-10 17:32:55 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 340 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 0.506 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us1000bjcu Id of event.
Event Code 1000bjcu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bjcu, A comma-separated list of event ids that are associated to an event.

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