Earthquake Research Links
| Disaster | Websites |
| San Francisco 1906 | |
| Alaska 1964 | |
| Tangshan, China 1976 | |
| Mexico City 1985 | |
| San Francisco 1989 | |
| Iran 1990 | |
| Kobe, Japan 1995 | |
| Izmit, Turkey 1999 | |
| Pakistan 2005 |
Volcano Research Links
| Disaster | Websites |
| Mount Vesuvius | |
| Krakatoa | |
| Mount Pelee | |
| Mount St. Helens | |
| El Chichon | |
| Nevado del Ruiz | |
| Mount Pinatubo |