| start date | end date | title | description | icon | date limit | importance |
link | modal |
| 1795-00-00 | | Isanotski: 1795 | Several historical eruptions have been attributed to Isanotski, most notably the explosive March 10, 1825 eruption. However, according to Alaska Volcano Observatory geologists, Isanotski shows no evidence of having any possibly Holocene vents. Alaska Volcano Observatory geologists flying over Isanotski in 1987, 1988, and 1989 failed to find any apparently Holocene vents on Isanotski, and saw only glacially polished rocks. Geologists from AVO insist that all historical eruptions of Isanotski ... More information | information.png | ye | 50 | http://www.avo.alaska.edu/volcanoes/activity.php?volcname=Isanotski&eruptionid=448&page=basic | |
| 1825-03-10 | | Isanotski: 1825 | Several historical eruptions have been attributed to Isanotski, most notably the explosive March 10, 1825 eruption. However, according to Alaska Volcano Observatory geologists, Isanotski shows no evidence of having any possibly Holocene vents. Alaska Volcano Observatory geologists flying over Isanotski in 1987, 1988, and 1989 failed to find any apparently Holocene vents on Isanotski, and saw only glacially polished rocks. Geologists from AVO suggest that all historical eruptions of Isanotski ... More information | information.png | ye | 50 | http://www.avo.alaska.edu/volcanoes/activity.php?volcname=Isanotski&eruptionid=449&page=basic | |
| 1830-00-00 | | Isanotski: 1830 | Several historical eruptions have been attributed to Isanotski, most notably the explosive March 10, 1825 eruption. However, according to Alaska Volcano Observatory geologists, Isanotski shows no evidence of having any possibly Holocene vents. Alaska Volcano Observatory geologists flying over Isanotski in 1987, 1988, and 1989 failed to find any apparently Holocene vents on Isanotski, and saw only glacially polished rocks. Geologists from AVO suggest that all historical eruptions of Isanotski ... More information | information.png | ye | 50 | http://www.avo.alaska.edu/volcanoes/activity.php?volcname=Isanotski&eruptionid=450&page=basic | |
| 1845-00-00 | | Isanotski: 1845 | Several historical eruptions have been attributed to Isanotski, most notably the explosive March 10, 1825 eruption. However, according to Alaska Volcano Observatory geologists, Isanotski shows no evidence of having any possibly Holocene vents. Alaska Volcano Observatory geologists flying over Isanotski in 1987, 1988, and 1989 failed to find any apparently Holocene vents on Isanotski, and saw only glacially polished rocks. Geologists from AVO suggest that all historical eruptions of Isanotski ... More information | information.png | ye | 50 | http://www.avo.alaska.edu/volcanoes/activity.php?volcname=Isanotski&eruptionid=452&page=basic | |