Tag: "Geology"
Sand: Hold a Mountain in Your Hand
Sand . . . we play in it, we stroll on it, we make castles out of it, but what do we really know about it? The size, shape and location of a grain a sand can tell us a lot about it's origin, makeup and history.
Post on Dec 22, 2011 by Terri Kirby-Hathaway from QUEST North Carolina
Affinity for Stone: The Public Art of Ruth Asawa
Stone is more than the plaything of geologists. Each of us sees it in special ways. Take a look at stone in two masterworks by San Francisco artist Ruth Asawa.
Post on Oct 27, 2011 by Andrew Alden from QUEST Northern California
Is the Salton Sea really "15 Months Pregnant" with our next big quake?
In Southern California an intriguing journal article turned into "we're all gonna die" TV stories in the space of a day. Be ready for the next time this happens in the Bay Area.
Post on Jun 30, 2011 by Andrew Alden
Geological Outings Around the Bay: Shell Beach
One of California's most distinctive and mysterious bodies of rock is well displayed at Shell Beach, north of Bodega Bay in Sonoma County.
Post on Mar 24, 2011 by Andrew Alden
Tsunami Awareness at the Beach
Central California will have good warning of big seismic tsunamis which aren't created nearby, but always keep your weather eye out.
Post on Mar 17, 2011 by Andrew Alden
EarthCaches: Learning Through Hide-and-Seek
The 21st-century sport of geocaching is providing a new way to teach and learn about geology: EarthCaches.
Post on Feb 24, 2011 by Andrew Alden
Friend Your Local Fault
Earthquakes will never be as predictable as the weather, but if you get to know your nearest faults then earthquakes will be less of a surprise.
Post on Feb 17, 2011 by Andrew Alden
Skiing Volcano Country
Next time you're sitting on the chair lift waiting to take that next run at Kirkwood, look around at these beautiful mountains and picture the ancient volcanic landscape that created the terrain.
Post on Jan 06, 2011 by Brian Romans
The Unique Geometry of the Sacramento-San Joaquin Delta
The geologic history of the greater Bay Area helps explain the unique geometry of the Sacramento-San Joaquin Delta.
Post on Dec 16, 2010 by Brian Romans
San Francisco Bay Slowly Recovering From Gold Rush Miners' Devastating Legacy
USGS geologists are finding that Gold Rush-induced sediment levels in the San Francisco bay might be diminishing.
Post on Nov 18, 2010 by Brian Romans
Greater Bay Area Geo-Attractions: San Gregorio Beach
San Gregorio State Beach is approximately 40 miles south of San Francisco near the junction of Highway 1 and 84. This beach is one of my favorite spots along the coast between Half Moon Bay and Santa Cruz.
Post on Oct 28, 2010 by Brian Romans
Sand Waves and the Golden Gate
Mapping of the underwater topography (called bathymetry) reveals landscapes fundamental to understanding the Bay Area's unique geology. The Golden Gate strait connects the San Francisco Bay to the open Pacific Ocean and is only one mile across.
Post on Oct 14, 2010 by Brian Romans
Geology of the Devil's Slide Area
The combination of steep terrain and the geology of the Devil's Slide area have made this area prone to landslides since Highway 1 was constructed in the mid 1930s.
Post on Oct 07, 2010 by Brian Romans
Landfill and Liquefaction
Although it may not be obvious at first glance, the bay side of San Francisco is largely artificial.
Post on Sep 30, 2010 by Brian Romans
Earthquake Preparedness in the Bay Area
The magnitude 7.0 earthquake that occurred a couple weeks ago near Christchurch, New Zealand is yet another reminder for those of us living in the Bay Area about the inevitable seismic danger we face. While many details of the New Zealand earthquake are different than what we face in the Bay Area, there are a few aspects that are comparable.
Post on Sep 23, 2010 by Brian Romans
A Submarine Grand Canyon Offshore Central California
Not unlike on land, features of the undersea landscape – such as Monterey submarine canyon – have a significant influence on the quantities and diversity of animals.
Post on Sep 16, 2010 by Brian Romans
Greater Bay Area Geo-Attractions: Point Reyes National Seashore
Point Reyes National Seashore is not only a haven for birds and other wildlife but has a geologic story that is uniquely Californian. Learn about this area in the first in a series of posts highlighting the geology of the Bay Area's scenic landscapes.
Post on Sep 09, 2010 by Brian Romans
The Importance of Studying the History of Sea-Level Change in San Francisco Bay
Sea-level rise is happening and more than 100 million people could be affected globally over the next century even under somewhat conservative projections.
Post on Sep 02, 2010 by Brian Romans
A Record of the East Bay’s Past Revealed During Caldecott Tunnel Construction
If you use Highway 24 as part of your daily commute you are already familiar with the Caldecott Tunnel, which connects Orinda and Oakland, but do you know about the geology of the hills through which the tunnel was constructed?
Post on Aug 19, 2010 by Brian Romans
Producer's Notes: Geothermal Heats Up
When I first began researching this story for QUEST, I was surprised that I hadn't heard more about geothermal energy. It's never lumped into that renewable energy laundry list that's recited by politicians and journalists alike — you know, "…solar, wind, hydroelectric and biofuels". But it turns out that geothermal energy has really great potential.
Post on Nov 18, 2008 by Amy Miller
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