Moderate quake rumbles near Mount St. Helens

An earthquake measured at a magnitude of 4.3 struck near Mount St. Helens in Washington state on Monday, shaking an area extending north to Puget Sound and south across the Oregon border, geologists said. Full story

Mount St. Helens, 30 years later

  It's been 30 years since Mount St. Helens erupted in Washington State, triggering a deadly avalanche of ash and debris that killed 57 people and left 21 missing. NBC's Brian Williams reports.

May 18: Nightly News Tuesday broadcast

  OIL SPILL, Mark Potter; OIL VIDEOS, Kelly O'Donnell; OIL IN FLORIDA, Michele Kosinski; BLUMENTHAL, Brian Williams; SOUDER, Brian Williams; CELL PHONES, Robert Bazell; AFGHANISTAN ATTACKS, Tom Aspell; NTSB, Tom Costello; MOUNT ST. HELENS, Brian Williams; BEAU BIDEN, Brian Williams; STRESS, Brian Will