Getty Images
Joshua Tree National Park time lapse
Joshua Tree National Park time lapse with dead bush and joshua tree in the foreground and the Coachella valley in the background from Keys View
Getty Images
Joshua Tree National Park time lapse with Juniper in foreground
Joshua Tree National Park time lapse with Juniper in foreground near Keys View
Getty Images
Dead juniper bush time lapse and Coachella Valley
Dead juniper bush time lapse and with Coachella Valley and Palm Springs lights appearing after dark.
Getty Images
Joshua Tree National Park time lapse with Juniper in foreground
Joshua Tree National Park time lapse with Juniper and Joshua Tree in foreground near Keys View
Getty Images
Joshua Tree National Park time lapse with Juniper in foreground
Joshua Tree National Park time lapse with Juniper and Joshua Tree in foreground near Keys View
PBS
Pbs Learning Media: Earthquakes: San Francisco
The history of earthquakes in the San Francisco Bay area is plotted on a digital map and analyzed in this video segment adapted from NOVA. [3:28]
PBS
Pbs Learning Media: Earthquakes: The Prehistoric Record
In this video segment adapted from NOVA, a geologist digs a trench along the San Andreas Fault to reveal three thousand years of earthquake history. Information from the layers of sediment may help geologists to predict earthquakes.3m 19s
PBS
Pbs Learning Media: Earthquakes: Los Angeles
In this video segment adapted from NOVA, animations are used to show how the hills around Los Angeles were formed by earthquakes at small thrust faults that extend outward from the larger San Andreas fault.5m 15s