Choose a topic/location combination from the list below:
| TOPIC | LOCATION |
| Wildfire | 2005 Cedar Fires in California |
| Earthquake | 1906 San Francisco Earthquake |
| Hurricane | 2005 Hurricane Katrina |
| Volcanic Eruption | 1980 Mt. Saint Helens Volcanic Eruption |
| Tsunami | 2004 Indonesian (Indian Ocean) |
| Heat wave | 1995 Chicago Heat Wave |
| Avalanche | 1910 Wellington, Washington Avalanche |
| Mudslide | 1999 Vargas, Venezuela Mudslide |
| Hail Storm | 2009 Denver Metro Hailstorm |
| Thunderstorm | 1913 Great Lakes Thunderstorm |
| Comet Strike | 1908 Tunguska Comet Strike |
| Drought | 2002 Colorado Drought |
| Flash flood | 1976 Loveland Flash Flood |
| Solar Storm | 1989 Quebec Solar (Geomagnetic) Storm |
| Dust Storm | 2009 Australia Dust Storm |
| Limnic lake | 1986 Limnic Lake - Lake Nyos in Cameroon |
| Blizzard | 2003 Denver Blizzard |
| El Nino | 1972 El Nino in Peru |
| Tornado | 1896 St Louis Tornado |