June 18, 2026

Natural Events

This Week's Natural Event Images

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El Niño Is Underway

El Niño Is Underway

Satellite observations of sea surface height indicated that the 2026 event continued to strengthen in early June.

Background reading: What is an El Niño?

If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half a world away—study El Niño.

Low Water at San Carlos Reservoir

Low Water at San Carlos Reservoir

Drought and water releases drained the Arizona reservoir to levels that have led to widespread fish deaths.

Pumice Rafts Encroach on Admiralty Islands

Pumice Rafts Encroach on Admiralty Islands

Buoyant volcanic rock fragments from an underwater eruption drifted across the Bismarck Sea and choked island coasts.

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NASA Earth Science Division