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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.8 mag has occurred near Hihifo in Tonga



Earthquake location -16.1824S, -173.3729WA light earthquake magnitude 4.8 (ml/mb) has occurred on Sunday, 47 kilometers (29 miles) from Hihifo in Tonga. The earthquake occurred at a depth of 10 km (6 miles). The 4.8-magnitude earthquake has occurred at 05:51:32 / 5:51 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 18/10/15 / 2015-10-18 17:51:32 / October 18, 2015 @ 5:51 pm UTC/GMT. Event id: us10003pix. Ids that are associated to the earthquake: us10003pix. Exact location of earthquake, longitude -173.3729 West, latitude -16.1824 South, depth = 10 km.

Close country/countries, Tonga (c. 123 000 pop) (That might be effected). The epicenter was 52 km (32 miles) from Hihifo (c. 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Hihifo.

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

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: 47 km ESE of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -173.3729° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.1824° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 47km ESE of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-18 17:51:32 Time when the event occurred. UTC/GMT
Updated 2015-10-18 18:11:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 354 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 4.367 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 101 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 us10003pix Id of event.
Event Code 10003pix An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003pix, A comma-separated list of event ids that are associated to an event.

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