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Geologic Hazards
![]() USGS: Latest Earthquakes |
![]() Smithsonian Global Volcanism Program |
![]() National Hurricane Center |
![]() Live Lightning Maps |
![]() Global Subsidence Map |
Largest Hurricanes
![Largest Hurricanes](https://geology.com/c2/largest-hurricane-180.jpg)
Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?
Lightning Hotspot
![Lake Maracaibo Lightning](https://geology.com/a/lake-maracaibo-lightning.jpg)
World Record Lightning - This lake has more lightning than any other place in the world.
Hazard Insurance
![Hazard Insurance](https://geology.com/c2/flood-insurance.jpg)
Homeowners Insurance and Geologic Hazards Most policies do not cover geologic hazards.
Volcanic Explosivity
![Volcanic Explosivity](https://geology.com/c2/vei-180.jpg)
Volcanic Explosivity Rating volcanic eruptions based upon the volume of tephra ejected.
Geology Dictionary
![Geology Dictionary](https://geology.com/a/geology-dictionary.gif)
Geology Dictionary - contains thousands of geological terms with their definitions.
Lightning Strikes Map
![lightning map](https://geology.com/a/lightning-map.jpg)
Lightning Strikes Map - shows the worldwide distribution of lightning activity.
Atlantic Tsunamis
![Atlantic Tsunamis](https://geology.com/c2/atlantic-ocean-tsunami-180.jpg)
Atlantic Tsunamis Rare events that can cause damage and threaten millions of people.
Pacific Tsunamis
![Pacific Tsunamis](https://geology.com/c2/pacific-ocean-tsunami-180.jpg)
Pacific Tsunamis This ocean is surrounded by plate boundaries, that can produce tsunami.
Rock Fall Photos
![Yosemite Rock Fall Photos](https://geology.com/c/180-yosemite-rockfall.jpg)
Yosemite Rock Fall Photos A photo sequence of a rockfall and debris avalanche by Herb Dunn.