All About Earthquakes
Earthquakes are sudden energy releases from crust movement. They shake the ground cause landslides and temporary liquefaction in water saturated areas. Sand boils form as the quake blasts through cracks. The 1964 Alaska quake measured 9.2 and devastated Anchorage including a school destroyed by a landslide.
MENTIONED IN THIS ARTICLE
U.S
Alaska
Anchorage
California
Mercalli
Earthquakes Worldwide and Notable US Events
A concise overview explains quake prediction limits and global patterns, noting the Pacific Ring of Fire as the most active region. It cites the 1989 Santa Cruz Mountains magnitude 6.9 quake and the 2002 Alaska magnitude 7.9 event, with impacts and regional damage differences.
MENTIONED IN THIS ARTICLE
Pacific Ocean
Ring of Fire
Santa Cruz Mountains
California
San Andreas
Earthquakes and Plate Boundaries at a Glance
A plain overview explains that earthquakes originate at the focus with seismic waves traveling outward. It notes San Andreas as a major California fault, describes plate boundaries, and mentions historical quakes like the 1906 San Francisco event, plus scales such as Mercalli and moment magnitude formerly known as Richter.
Also Mentioned on This Page
United States
Louisiana
Actities
Porthine Lens
Sarimens Eure
Texas
Puerto Rico
Virgin Islands
Raul Pa. A&m UN
Sherrye D
Cghit
KSI
Writers’ Corner
Rochelle Cope
Millersburg Elementars
Millersburg
Jasmine Tiaden Grads
Jenson Primentam
Cedar Rapids
Mini
Man Spy
Our Earth
Usgs
San Francisco
Lisa Ware
U.S. Geological Survey
Library Week