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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near Neiafu in Tonga


Earthquake location -18.4895S, -174.831WA light earthquake with magnitude 4.6 (ml/mb) was reported 91 kilometers (57 miles) from Neiafu in Tonga on Thursday. The epicenter of the earthquake was roughly 83.22 km (52 miles) below the earth’s surface. The temblor was picked up at 06:33:51 / 6:33 am (local time epicenter). Event id: us1000g24x. Ids that are associated to the earthquake: us1000g24x. Exact location of event, longitude -174.831 West, latitude -18.4895 South, depth = 83.22 km. Date and time of earthquake in UTC/GMT: 02/08/18 / 2018-08-02 18:33:51 / August 2, 2018 @ 6:33 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Event epicenter was 91 km (57 miles) from Neiafu (c. 4 300 pop). Close country/countries that might be effected, Tonga (c. 123 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Neiafu.

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 91 km W of Neiafu, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -174.831° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.4895° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 83.22 km Depth of the event in kilometers.
Place 91km W of Neiafu, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-02 18:33:51 Time when the event occurred. UTC/GMT
Updated 2018-08-02 19:52:17 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 326 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 4.682 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us1000g24x Id of event.
Event Code 1000g24x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g24x, A comma-separated list of event ids that are associated to an event.

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