Light earthquake: M4.5 quake has struck near Nuku`alofa in Tonga

A light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 194 km NNW of Nuku`alofa, Tonga (121 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 22:02:19 / 10:02 pm (local time epicenter). The earthquake was roughly at a depth of 45.61 km (28 miles). Event id: us60007i8w. Ids that are associated to the earthquake: us60007i8w. Exact location of earthquake, longitude -176.2202 West, latitude -19.6607 South, depth = 45.61 km. Global date and time of event UTC/GMT: 15/01/20 / 2020-01-15 10:02:19 / January 15, 2020 @ 10:02 am.

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 twenty-seven earthquakes of magnitude 3.0 or greater that was reported 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 194 km NNW of Nuku`alofa, Tonga. This information comes from the USGS Earthquake Notification Service.

Nuku`alofa Tonga

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	-176.2202° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-19.6607° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	45.61 km	Depth of the event in kilometers.
Place	194km NNW of Nuku`alofa, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-01-15 10:02:19	Time when the event occurred. UTC/GMT
Updated	2020-02-09 14:10:17	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	312	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	5.752	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.68 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	123	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	us60007i8w	Id of event.
Event Code	60007i8w	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us60007i8w,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.5 quake has struck near Nuku`alofa in Tonga

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