FIREBALL

Fireball over open water

Thursday, September 10, 2026 · 05:22 UTC

A fireball, a small asteroid burning up in the atmosphere, exploded over open water at 19.3°S, 28.1°W on Thursday, September 10, 2026 at 05:22 UTC, about 34 km (21 mi) up. U.S. government sensors measured its energy at about 330 tons of TNT, and it was traveling at 19.3 km/s (43,174 mph). Explosions this high up rarely cause damage on the ground.

Energy330 t TNT

Altitude34 km · 21 mi

Speed19.3 km/s

Location19.3°S 28.1°W

Time (UTC)Sep 10 05:22

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How big was it?

Most fireballs come from rocks a meter or a few meters across. The 2013 Chelyabinsk fireball over Russia, about 440 kilotons, was the largest in a century; it shattered windows across the city. Most land over the ocean, unseen.

Did you know?

Two tides a day. Most coasts get two high tides a day because the Moon’s pull raises two bulges of ocean, one on each side of Earth.

Data: NASA JPL CNEOS fireball reports, from U.S. government sensors.

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Fireball over open water

How big was it?

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