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Alka Tripathy-Lang

Alka Tripathy-Lang is a freelance science writer covering stories about Earth and environmental science. Alka holds a Ph.D. in geology from Arizona State University and conducted postdoctoral research at the Berkeley Geochronology Center.

Aerial photograph of the Xin’an River Hydropower Station showing the dam that forms Qiandao Lake releasing flood waters into the river below.
Posted inNews

Finding “Glocal” Solutions to Flooding Problems

by Alka Tripathy-Lang 3 February 202120 May 2022

Scientists call for joint efforts to combine real-time global rainfall data with high-resolution local hydrology to better forecast floods.

Satellite image of the island of Mayotte and its surrounding fringing reef
Posted inNews

New Volcano, Old Caldera

by Alka Tripathy-Lang 15 December 20206 September 2022

Researchers suggest a magma chamber sits within an old submarine caldera structure that extends into the mantle. Nearby, a new underwater volcano emerged with a flurry of seismicity.

A researcher looks closely at a rocky cliff near the shoreline on Saint Helena.
Posted inNews

A Robust Proxy for Geomagnetic Reversal Rates in Deep Time

by Alka Tripathy-Lang 14 December 202027 January 2023

The strength of Earth’s magnetic field in the distant past can tell scientists whether the planet’s magnetic poles were steady or prone to frequent reversals.

Solar powered seismic station surrounded by lightly charred mountain views
Posted inNews

Wildfires Threaten West Coast’s Seismic Network

by Alka Tripathy-Lang 26 October 20206 June 2022

A dense seismic network keeps vigil over the western United States, sensing quakes soon after they begin so people nearby can brace themselves. How do wildfires affect these guardians of the West Coast?

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