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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag has occurred near Nuku`alofa in Tonga


Earthquake location -20.618S, -174.5843WA light earthquake magnitude 4.7 (ml/mb) has occurred on Sunday, 85 kilometers (53 miles) from Nuku`alofa in Tonga. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000j6pu. Id of event: us2000j6pu. Date and time of earthquake in UTC/GMT: 20/01/19 / 2019-01-20 23:08:59 / January 20, 2019 @ 11:08 pm. The temblor was reported at 11:08:59 / 11:08 am (local time epicenter). The earthquake occurred at a depth of 127.16 km (79 miles). Exact location of event, longitude -174.5843 West, latitude -20.618 South, depth = 127.16 km.

Close country/countries that might be effected, Tonga (c. 123 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Pangai, ‘Ohonua, Nuku‘alofa (min 5000 pop). Earthquake epicenter was 86 km (54 miles) from Nuku‘alofa (c. 22 400 pop), 92 km (57 miles) from Pangai (c. 1 700 pop), 88 km (55 miles) from ‘Ohonua (c. 1 200 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 85 km NE of Nuku`alofa, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -174.5843° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.618° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 127.16 km Depth of the event in kilometers.
Place 85km NE of Nuku`alofa, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-01-20 23:08:59 Time when the event occurred. UTC/GMT
Updated 2019-01-20 23:33:24 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 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 4.644 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 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 us2000j6pu Id of event.
Event Code 2000j6pu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j6pu, A comma-separated list of event ids that are associated to an event.

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