Skip to content

Author

Martin Cassidy

Write to Martin

Martin Cassidy, a lifelong Arizona resident, is a geology specialist with a passion for exploring the state's diverse landscapes. An avid hiker and backpacker, he combines field expertise with a love for nature to bring insightful stories on earth science and the great outdoors.

Stories by Martin Cassidy

3 stories

  1. August 2026

    2 stories: 2 explainers

  2. Sat

    Explainer · Science · World

    What is known about the magnitude 7.7 earthquake near Indonesia’s Flores Island

    USGS and BMKG assess a magnitude 7.7 earthquake near Indonesia's Flores Island, where a tsunami warning was issued and later lifted.

  3. Mon

    Explainer · Science · World

    What is known about Colombia’s magnitude-7.4 earthquake

  4. June 2026

    1 story: 1 news story

  5. Tue

    News: Science · United States

    UH study says stress on Southern California fault systems has reached 1,000-year high