On January 15, 2022, the Hunga Tonga-Hunga Ha’apai volcano erupted off the coast of Tonga in the South Pacific Ocean, generating a tsunami and triggering tsunami alerts around the world. Most tsunamis are commonly caused by earthquakes and only about 5% of tsunamis are generated from volcanic activity (... more
In the News
A new book highlights research progress on El Niño Southern Oscillation dynamics and impacts and how they may change in a warmer world. McPhaden is a co-editor.
Climate change could trigger an ancient El Niño-like pattern in the Indian Ocean that would create extreme weather such as floods, storms and droughts across the globe.... more
Global warming is approaching a tipping point that during this century could reawaken an ancient climate pattern similar to El Niño in the Indian Ocean, new research led... more