Photo: Mysterious "Swarm" of Quakes Strikes Oregon Waters

Email to a Friend << Back to Full Story


Colored dots show the earthquake "swarm" that struck waters off the shore of Oregon beginning in March 2008.

Scientists are now planning a marine expedition (black line) to help unravel what is causing the mysterious temblors, which were detected by a Cold-War-era system of underwater microphones originally designed to track Russian submarines.

Image courtesy of NOAA Vents Program / Oregon State University CIMRS Program

EMAIL NEWSLETTER Photos and News of the Week

Get the top photos and news of the week from National Geographic News, plus occasional breaking-news alerts.

See Sample >>
Please enter a valid email address
Privacy Policy

MOST VIEWED NEWS

Earth's Core, Magnetic Field Changing Fast, Study Says

Even Modest Increases in MPG Can Equal Big Gas Savings

Amazon Tribe Attacked by Masked Gunners
NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

Today's National Geographic Photo of the Day

• Today's Photo

• Download as Wallpaper

Photo and Headline Widget

Put our latest news and photos on your Web page or desktop—automatically updates! See Sample
Download Widget