Strong earthquake, 6.4 mag has occurred near Hihifo in Tonga

A earthquake with magnitude 6.4 (ml/mb) was reported 158 km WNW of Hihifo, Tonga (98 miles) on Friday. The epicenter was at a depth of 10 km (6 miles). The temblor was detected at 01:04:47 / 1:04 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: pt19340000. Event ids that are associated: pt19340000. Date and time of earthquake in UTC/GMT: 06/12/19 / 2019-12-06 13:04:47 / December 6, 2019 @ 1:04 pm. Exact location of event, longitude -175.021 West, latitude -15.217 South, depth = 10 km.

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days eighteen earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 135 earthquakes in the world each year. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 158 km WNW of Hihifo, Tonga.

Hihifo Tonga

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Parameter	Value	Description
Magnitude	6.4 mb	The magnitude for the event.
Longitude	-175.021° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-15.217° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	158km WNW 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	2019-12-06 13:04:47	Time when the event occurred. UTC/GMT
Updated	2019-12-06 13:12:34	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	630	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pt	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,	A comma-separated list of network contributors.
Number of Stations Used	12	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	115.199990784	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Mi	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pt19340000	Id of event.
Event Code	19340000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt19340000,	A comma-separated list of event ids that are associated to an event.

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Strong earthquake, 6.4 mag has occurred near Hihifo in Tonga

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