Tag Archive for 'Marquesas Islands'

The New Caledonian storm petrel (Fregetta lineata) off Nouméa, New Caledonia, in January 2020. Image credit: Hadoram Shirihai, Tubenoses Project.

New Species of Storm Petrel Identified

Mar 15, 2022 by Natali Anderson

Based on the numbers seen at sea, both off Australia and New Caledonia, the population of the New Caledonian storm petrel (Fregetta lineata) is in the...

$Earthquakes send sound waves through the Earth. Seismograms record the echoes as those waves travel along the core-mantle boundary, diffracting and bending around dense rock structures. Kim et al provide the first broad view of these structures, revealing them to be much more widespread than previously known. Image credit: Doyeon Kim, University of Maryland.$

Geophysicists Find Dense Rock Structures near Earth’s Core

Jun 16, 2020 by News Staff

In a new study, a team of geophysicists from the University of Maryland, Johns Hopkins University and Tel Aviv University has analyzed echoes of seismic...