| ANTISANA | One of the stratovolcanos in the Ecuadorian Andes researched by Alexander von Humboldt (8) |
| DOUBTOFITSEXISTENCE | An invention's first stage, according to adventurer-statesman Alexander von Humboldt |
| ASSANGE | Onetime resident of the Ecuadorian Embassy in London |
| ALEXANDER | ___ von Humboldt, a German naturalist and scientist (9) |
| COTOPAXI | Stratovolcano in the Andes Mountains that is the second highest summit in Ecuador |
| HUMBOLDT | Alexander von ___, Prussian explorer (8) |
| VESUVIUS | Mount _, stratovolcano whose eruption in 79 AD destroyed the city of Pompeii (8) |
| KEYWORDS | They're researched by S.E.O. specialists |
| CURRENTS | Ocean features such as the Gulf Stream, Humboldt or Peru, Benguela and Kuroshiro |
| CAY | Stratovolcano in the Chilean Andes, west of Yulton Lake (3) |
| MOUNT | Active stratovolcano in the middle of the North Island - w 38ac (5,7) |
| RUAPEHU | Active stratovolcano in the middle of the North Island - w 6dn (5,7) |
| SOUFRIERE | La -; active stratovolcano in Guadeloupe which is the highest mountain peak in the Lesser Antilles (9) |
| RAINIER | Active stratovolcano in Washington state, considered to be one of the world'smost dangerous volcanoes (7) |
| ASH | What the gray line in the center of Humboldt Fog cheese is composed of |
| MOUNTSTHELENS | Stratovolcano in Washington State whose 1980 eruption was the most destructive in US history (5,2,6) |
| PERU | The Humboldt current is also called by the name of this South American nation |
| MOUNTPINATUBO | Stratovolcano on the island of Luzon in the Philippines that erupted in 1991 after 600 years of dorm |
| ESP | Ability researched by J.B. Rhine in the 1930s |
| KATMAI | Mount -, stratovolcano in southern Alaska that erupted in 1912 (6) |
