New evidence about where a major earthquake struck central Washington State 145 years ago raises the possibility that today’s unusually frequent quakes in the area still echo that 1872 event.
Hazards & Disasters
Space Weather Threat to Australian Power Networks Assessed
Power companies should be cautious during severe solar storms to maintain the integrity of Australia’s power grid, a new study finds.
U.S. Weather Alert Systems Must Modernize, Say New Reports
To reduce risks, including loss of life, national weather alert systems must incorporate social and behavioral sciences and new technology, according to two federally sponsored reports.
Run-Ups of Unusual Size
Not all waves are created equal when it comes to eroding sandy shorelines. Here’s a look at the physics that drives the big ones.
What Precursors Foretold Greenland’s Recent 100-Meter Tsunami?
Slippage began hours before a landslide-driven tsunami destroyed a village in northwestern Greenland.
Imaging the Sun’s Atmosphere
The technique of heliospheric imaging could be valuable for future space weather operations.
Pollution over Southeast Asia May Threaten Ozone Health
Emissions of short-lived chlorine-based chemicals that deplete ozone are increasing worldwide. But over some regions of Asia, these chemicals may be on a fast track to the ozone layer.
Volcanic Woes May Have Contributed to Ancient Egypt’s Fall
Ice cores and ancient river records suggest that volcanic eruptions may have reduced the flow of the Nile River. Failures of the Nile floods that usually irrigated Egypt’s farms could have fed social unrest.
Probing Magma Reservoirs to Improve Volcano Forecasts
The roots of volcanoes remain enigmatic, largely because geophysical and petrological models remain rudimentary. Scientific drilling and exploration can help.
Polluted Lakes in Disguise
Clear lake water under highly polluted conditions might necessitate a rethink of water management policies and pollutant mitigation.
