
June Best o' the Geoblogosphere
June was a great month on the geoblogs. Come check out the best—and see how your favorite geoblog post can be featured here!
A confirmed adorer of the good science of rock-breaking, Dana Hunter explores geology with an emphasis on volcanic processes, geology news, and the intersection of science and society. Her home away from SciAm is Dana Hunter's Unconformity

June Best o' the Geoblogosphere
June was a great month on the geoblogs. Come check out the best—and see how your favorite geoblog post can be featured here!

Help Save the Arizona Geological Survey
The Arizona Geological Survey's budget has been slashed by the state's short-sighted government. There are as many reasons to save the agency as there are geologic wonders, riches and hazards in Arizona. Let the governor know that the AZGS must be fully funded! In this article I'll tell you why it's so important

Dealing with Volcanoes in 6 Easy Steps
A quick and simple guide to dealing with the potentially dangerous mountains in your vicinity

In the Path of Destruction XII: From a Distance
I'm blogging Richard Waitt's excellent book about the May 18, 1980, eruption as I read it. Join me for more In the Path of Destruction goodness! And pick up your own copy at the link below

May's Readers' Choice o' the Geoblogosphere!
Come see which geoblogosphere discoveries readers chose to share! Much delicious geology within

Magnificent Mount Saint Helens Eruption Photos, Part 3
Welcome to the third edition of our trek through the USGS photographic database! I'm serving up yet more delectable photos of Mount Saint Helens's spectacular 1980 awakening. Enjoy!

36 Years Ago Today: Mount Saint Helens
It's the 36th anniversary of the eruption of Mount Saint Helens. Please take a moment to remember those who died that beautiful May morning, and to appreciate the power of a volcano to change our lives forever

Mount Saint Helens Is Recharging!
Recent seismic swarms under Mount Saint Helens show she's recharging her magma chamber. So why am I disappointed?

Where No Maps Have Gone Before!
There's something wonderfully thrilling about geologic maps of places we've never mapped that way before! Scientists recently mapped a brand-new island and produced a beautifully detailed map of Mercury. Come see what those maps reveal

Visiting a Desert Karst Oasis: The Magic of Montezuma Well
An ancient lake, an underwater spring, a sinkhole, a perched water table and time combine to create a desert karst oasis

Visiting a Desert Karst Oasis: A Vanished Lake in the Great Green Valley
The high desert Verde Valley contains some surprising oases - and a wonderful geologic history.

A Marvelous Example of a Kīpuka
Lava flows don't always destroy everything in their path. And we have a word for what survives

More Magnificent Mount Saint Helens Photos for Your Viewing Pleasure
We continue our journey through the USGS database full of delicious Mount Saint Helens photos

Live-Blogging Richard Waitt's In the Path of Destruction XI: Things Go South
Tree-planting crews and people out for a little recreational fun on Mount Saint Helens's south side learn that even when a volcano's blowing out to the north, the south side will also see some pretty intense action. Come join us for another chapter of In the Path of Destruction

Spectacular Images of Mount Saint Helens's Eruption
The 1980 eruptive sequence completely changed the landscape around Mount Saint Helens. Geologists flocked there to measure and investigate, taking thousands of photos in the process. I'm gathering some of the best for your viewing pleasure

The Mind-Boggling Scale of Mount Saint Helens's Crater
If you haven't stood in front of Mount Saint Helens, it's hard to get a feel for how truly enormous the crater left by the May 1980 eruption is. But thanks to a handy sightseeing helicopter, perhaps I can give you a taste

Learning the Language of Rivers, Part 3: The River Sings
In this edition: we hear the river singing, and learn how to understand what it's singing about

Learning the Language of Rivers, Part 2: The Basics
The Marys River begins to teach me the language of rivers. Come along and watch me stumble over unfamiliar phrases!

Live-Blogging Richard Waitt's In the Path of Destruction X: Photographing a Cataclysm
Photographing an eruption while you're in the path of it is fraught with difficulty. Plus: helpful tips on surviving an ash cloud

The Incredible Geology of Pluto
NASA's New Horizons spacecraft is returning some fabulous geology from tiny Pluto. Come explore!

Real Gems for Valentine's Day
Let's explore some shiny and huggable geology!

Geology in Space! Recent Martian Discoveries Edition
Welcome to the 21st century, where robots are doing geology on other worlds! In this edition we're exploring Mars's rich geologic history—and finding potential signs of microbial life

Live-Blogging Richard Waitt's In the Path of Destruction IX: "Is This What Pompeii Was Like?"
USGS geologist Richard Waitt's In the Path of Destruction chronicles the cataclysmic May 18, 1980, eruption of Mount Saint Helens. Join us for nail-biting survivors' stories and explosive volcanic action!

Thunderbird and the Orphan Tsunami: Cascadia 1700
It's the 316th anniversary of the 1700 Cascadia megathrust earthquake and tsunami!