At Work: Paula Koelemeijer


15 April 2021–The list of Paula Koelemeijer’s study subjects would be enough to pique anyone’s interest: continent-sized blobs in the Earth’s lower mantle, mountains on its core, and … elephants. More about the elephants later. Koelemeijer, a Royal Society University Research Fellow at Royal Holloway University of London, is a … Continue Reading »

At Work: Marlon Ramos

Marlon Ramos

14 February 2020–As he pursued his master’s degree at Boise State University, Marlon Ramos was doing what he calls “traditional, active-source seismology,” interpreting seismic pictures of tsunami-producing faults near the Kodiak Island segment of the Alaska-Aleutian megathrust zone. “I had an interest in subduction zones and the very large earthquakes … Continue Reading »

At Work: Jessica Velasquez

Jessica Velasquez

20 November 2019–The terms may seem interchangeable to a layperson, but “hazard” and “risk” mean very different things in earthquake science. A seismic hazard is a natural phenomenon such as the level of ground shaking caused by an earthquake. Seismic risk, on the other hand, refers to the probability that … Continue Reading »

At Work: Leah Salditch

Leah Salditch

16 September 2019–Earthquake faults have short memories—or at least, that’s what the traditional earthquake cycle model suggests. Based on the elastic rebound theory proposed by Harry Fielding Reid after the 1906 San Francisco earthquake, the traditional model assumes that each earthquake in an area occurs independently of one another, and … Continue Reading »