A moderate earthquake magnitude 5.5 (ml/mb) strikes 88 kilometers (55 miles) from Hihifo in Tonga on Monday. Date and time of earthquake in UTC/GMT: 18/08/25 / 2025-08-18 07:48:43 / August 18, 2025 @ 7:48 am. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Unique identifier: us6000r1uh. Ids that are associated to the event: pt25230000, us6000r1uh. Exact location of earthquake, longitude -173.3441 West, latitude -15.2858 South, depth = 10 km. The temblor was reported at 07:48:43 / 7:48 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Hihifo. Earthquake epicenter was 89 km (55 miles) from Hihifo (c. 800 pop). Close 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 four, in the past 30 days six and in the last 365 days sixty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate quakes in the world.

Did you feel the quake?

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: 88 km NNE of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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