A light earthquake with magnitude 4.3 (ml/mb) was reported south of Tonga (0 miles) on Tuesday. The earthquake was roughly at a depth of 10 km (6 miles). Exact location, longitude -175.7686° West, latitude -25.3265° South, depth = 10 km. The 4.3-magnitude earthquake was detected at 15:50:28 / 3:50 pm (local time epicenter). Global time and date of event 21/10/25 / 2025-10-21 15:50:28 / October 21, 2025 @ 3:50 pm UTC/GMT. Unique identifier: us6000rmt7. Ids that are associated to the event: us6000rmt7. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).
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-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.
Questions or comments?
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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: south of Tonga.
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