Light earthquake, 4.3 mag strikes near Vaini in Tonga

A light earthquake magnitude 4.3 (ml/mb) has occurred on Thursday, 136 km SW of Vaini, Tonga (85 miles). Global time and date of event 25/02/16 / 2016-02-25 22:25:36 / February 25, 2016 @ 10:25 pm UTC/GMT. The epicenter was at a depth of 76.24 km (47 miles). Exact location of event, longitude -175.9715 West, latitude -22.2017 South, depth = 76.24 km. The 4.3-magnitude earthquake was detected at 10:25:36 / 10:25 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us10004tu4. Ids that are associated to the earthquake: us10004tu4.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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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: 136 km SW of Vaini, Tonga.

Tonga Vaini

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	-175.9715° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-22.2017° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	76.24 km	Depth of the event in kilometers.
Place	136km SW of Vaini, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-02-25 22:25:36	Time when the event occurred. UTC/GMT
Updated	2016-03-07 22:46:20	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	284	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	6.457	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.65 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	118	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	us10004tu4	Id of event.
Event Code	10004tu4	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10004tu4,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag strikes near Vaini in Tonga

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