Light earthquake, 4.8 mag was detected near Vaini in Tonga

A light earthquake magnitude 4.8 (ml/mb) has occurred on Sunday, 22 kilometers (14 miles) from Vaini in Tonga. Exact time and date of earthquake 18/08/24 / 2024-08-18 09:59:51 / August 18, 2024 @ 9:59 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 68.658 km (43 miles). Id of earthquake: us7000nd3y. Event ids that are associated: us7000nd3y. Exact location of event, longitude -175.2422 West, latitude -21.39 South, depth = 68.658 km. The temblor was picked up at 09:59:51 / 9:59 am (local time epicenter).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was ‘Ohonua, Nuku‘alofa. Epicenter of the earthquake was 28 km (18 miles) from Nuku‘alofa (c. 22 400 pop), 31 km (19 miles) from ‘Ohonua (c. 1 200 pop). Nearby country/countries that might be effected, Tonga (c. 123 000 pop).

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days three and in the last 365 days seven earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year. 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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 22 km SSW of Vaini, Tonga.

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Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	-175.2422° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-21.39° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	68.658 km	Depth of the event in kilometers.
Place	22 km SSW 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	2024-08-18 09:59:51	Time when the event occurred. UTC/GMT
Updated	2024-09-13 08:30:58	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	354	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	26	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.222	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.01 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	93	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	us7000nd3y	Id of event.
Event Code	7000nd3y	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000nd3y,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.8 mag was detected near Vaini in Tonga

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