Moderate earthquake: M5.9 quake has struck near Neiafu in Tonga

A moderate earthquake with magnitude 5.9 (ml/mb) was detected on Thursday, 159 km NNW of Neiafu, Tonga (99 miles). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of earthquake, -174.8092° West, -17.4476° South, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 20:48:58 / 8:48 pm (local time epicenter). Event ids that are associated to the earthquake: us7000cpx6. Id of event: us7000cpx6. Global time and date of event 10/12/20 / 2020-12-10 20:48:58 / December 10, 2020 @ 8:48 pm UTC/GMT.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days fourty-four earthquakes of magnitude 3.0 or greater that has occurred nearby.

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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. 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: 159 km NNW of Neiafu, Tonga.

Neiafu Tonga

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Parameter	Value	Description
Magnitude	5.9 mb	The magnitude for the event.
Longitude	-174.8092° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-17.4476° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	159 km NNW 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	2020-12-10 20:48:58	Time when the event occurred. UTC/GMT
Updated	2020-12-10 21:14:00	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	536	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	4.461	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.42 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	33	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000cpx6	Id of event.
Event Code	7000cpx6	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000cpx6,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake: M5.9 quake has struck near Neiafu in Tonga

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