| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | mount pinatubo | United States | Known for its major eruption in 1991, which led to the second largest volcanic eruption of the 20th century | 1 |
| 2 | mount pinatubo | United States | Known for the 1991 eruption that had global impacts on climate, including lowering global temperatures temporarily and affecting air travel. | 1 |
| 3 | mount pinatubo | United States | Known for its massive eruption in 1991, considered a significant event in modern volcanic history | 1 |
| 4 | mount pinatubo | United States | Known for its eruption in 1991, considered one of the most significant volcanic events of the 20th century | 1 |