Light earthquake, 4.7 mag strikes near ‘Ohonua in Tonga

A light earthquake magnitude 4.7 (ml/mb) has struck on Friday, 62 kilometers (39 miles) from ‘Ohonua in Tonga. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. Id of earthquake: us6000rm2g. Event ids that are associated: us6000rm2g. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 09:40:11 / 9:40 am (local time epicenter). Exact time and date of earthquake 07/11/25 / 2025-11-07 09:40:11 / November 7, 2025 @ 9:40 am UTC/GMT. Exact location of earthquake, -175.2898° West, -21.8135° South, depth 35 km.

Event epicenter was 76 km (47 miles) from Nuku‘alofa (c. 22 400 pop), 64 km (40 miles) from ‘Ohonua (c. 1 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Nuku‘alofa, ‘Ohonua (min 5000 pop). Country/countries that might be effected, Tonga (c. 123 000 pop).

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 one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 62 km SSW of ‘Ohonua, Tonga.

More information

Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	-175.2898° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-21.8135° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	62 km SSW of ‘Ohonua, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-07 09:40:11	Time when the event occurred. UTC/GMT
Updated	2025-11-07 11:24:12	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	340	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	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	7.323	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.23 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	228	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	us6000rm2g	Id of event.
Event Code	6000rm2g	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rm2g,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.7 mag strikes near ‘Ohonua in Tonga

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