Light earthquake 4.4 mag, 133 km N of Neiafu, Tonga

A light earthquake magnitude 4.4 (ml/mb) has struck on Saturday, 133 km N of Neiafu, Tonga (83 miles). The earthquake occurred at a depth of 85.13 km (53 miles). Exact location of event, depth 85.13 km, -174.1624° West, -17.4527° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 22/12/19 / 2019-12-22 09:11:59 / December 22, 2019 @ 9:11 am UTC/GMT. Event ids that are associated to the earthquake: us70006x21. Id of event: us70006x21. The temblor was picked up at 21:11:59 / 9:11 pm (local time epicenter).

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 two, in the last 10 days four, in the past 30 days five and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that was reported nearby.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 133 km N of Neiafu, Tonga. This data comes from the USGS Earthquake Notification Service.

Neiafu Tonga

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	-174.1624° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-17.4527° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	85.13 km	Depth of the event in kilometers.
Place	133km N 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	2019-12-22 09:11:59	Time when the event occurred. UTC/GMT
Updated	2020-01-12 08:36:08	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	298	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	4.205	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.53 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	95	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	us70006x21	Id of event.
Event Code	70006x21	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us70006x21,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.4 mag, 133 km N of Neiafu, Tonga

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