Event ID	1585362
Event time	2026-03-01 05:44:43 (UTC)
Local time	2026-02-28 16:44:43 - [It was afternoon in the affected area.]
Last update	2026-03-01 05:58:51 (UTC)
Magnitude	6.3
Depth	596.319 km
Class	Strong
Hypocenter	Great depth
Mercalli scale	7
Possible effects	People have difficulty standing. Drivers feel their cars shaking. Some furniture breaks. Loose bricks fall from buildings. Damage is slight to moderate in well-built buildings; considerable in poorly built buildings.
Data status	reviewed
Data provider	USGS

Continent	Pacific Ocean - East
Country	Tonga
Administration area	Tongatapu
Nearest settlement	Kanokupolu
Distance	435 km
Course	WSW
Surface type	underwater quake
Tsunami region	South Pacific
Water surface name	South Pacific Ocean

Nearest nuclear power plants

There is no known nuclear power plant nearby.

---

Nearest marine ports

There is no known marine port nearby.

---

Nearest airports

Ono-i-Lau Airport (155,76 km), Ono-i-Lau Airport (155,76 km)

---

Nearest volcanoes

There is no known volcanoes nearby.

---

Quick Analysis

According to the epicenter of the quake, this is an underwater quake. Based on the data received, the formation of a tsunami is not conceivable on the basis of the high-depth hypocenter. Underwater landslides, volcanic activity, however, cannot be ruled out.