Date | Volcano | VEI | Region | Deaths | Damage | |
---|---|---|---|---|---|---|
Mount St. Helens South of 1980-1986 lava dome | 2 | Washington, USA | ||||
Mount St. Helens North side of lava dome | 3? | Washington, USA | ||||
Mount St. Helens North side of lava dome | 2 | Washington, USA | ||||
Mount St. Helens Summit and north flank | 5 | Washington, USA | ||||
1980 May 18 (eruption | Mount St. Helens | 5 | Washington, USA | 61 | catastrophic | Info |
Mount Baker Sherman Crater | 2 | United States | ||||
Mount Baker Sherman Crater | 2 | United States | ||||
Mount Baker Sherman Crater | 2 | United States | ||||
Mount Baker Sherman Crater | 2 | United States | ||||
Mount Baker Sherman Crater | 2 | United States | ||||
Mount St. Helens | 2 | Washington, USA | ||||
Mount St. Helens North flank | 2 | Washington, USA | ||||
Mount Baker Sherman Crater | 2 | United States | ||||
Mount St. Helens North flank | 2? | Washington, USA | ||||
Mount Baker Sherman Crater | 2 | United States | ||||
Mount St. Helens North flank | 2? | Washington, USA | ||||
Mount St. Helens | 2? | Washington, USA | ||||
Mount St. Helens North flank (Goat Rocks) | 2 | Washington, USA | ||||
Mount St. Helens North flank (Goat Rocks) | 3 | Washington, USA | ||||
Mount Baker Sherman Crater | 3? | United States | ||||
Mount St. Helens North flank (Goat Rocks area) | 2 | Washington, USA | ||||
Mount St. Helens North Flank (Goat Rocks area) | 3 | Washington, USA | ||||
Mount Baker | 2 | United States | ||||
1800 (eruptive episode | Mount St. Helens | 5 | Washington, USA | 100-1,000 (*) | Info |
The last volcanic eruption in Washington State was from Mount St. Helens volcano during 2004 - 2008.
The first historically documented eruption occurred 1820 from Mount Baker volcano.
Since 1820, Washington State has seen at least 22 historically documented eruptions. This means that a volcano erupts on average every 9.3 years.
Washington State is volcanically infrequently active: Since 1900, at least 1 volcanoes in Washington State have been active.Since 1900, Washington State has had 4 volcanic eruptions from 1 individual volcanoes. Volcanic eruptions have been recorded erupted during 15 years out of 126 as of now. This means, at least one volcano in Washington State has been in eruption in one in 8.4 years on average. The last volcano to erupt in Washington State was Mount St. Helens volcano. Its was active from 2004 until 2008 and ended 17 years ago.
The largest eruption in Washington State in historic times was from Mount St. Helens volcano. It occurred during 1980 - 1986. It ranks as a plinian eruption with a magnitude 5 on the VEI (Volcanic Explosivity Index) scale. Eruption of this size are often catastrophic on a regional scale.
Date and Time | Mag / Depth | Nearest Volcano / Location | |||
---|---|---|---|---|---|
Apr 3, 05:27 pm (Universal Time) | 1.7 19 km | 99 km (62 mi) NW of | 6 km S of Gorst, Washington | Info | |
Apr 2, 05:41 pm (GMT -7) | 2.6 13 km | 53 km (33 mi) NW of | 7 km WSW of Abbotsford, BC I FELT IT - 2 reports | Info | |
Wednesday, April 2, 2025 GMT (1 quake) | |||||
Apr 2, 03:58 pm (Universal Time) | 2.1 32 km | 205 km (127 mi) SW of | 29 km SSW of Port Renfrew, BC | Info | |
Tuesday, April 1, 2025 GMT (1 quake) | |||||
Apr 1, 02:16 pm (Universal Time) | 1.8 16 km | 111 km (69 mi) NW of | 4 km WSW of Chico, Washington | Info | |
Monday, March 31, 2025 GMT (1 quake) | |||||
Mar 31, 11:36 pm (Universal Time) | 1.7 8.9 km | 229 km (142 mi) SW of | 28 km WSW of Neah Bay, Washington | Info | |
Friday, March 28, 2025 GMT (1 quake) | |||||
Mar 28, 01:32 pm (GMT -7) | 2.5 0.5 km | 175 km (109 mi) NW of | 16 km NNE of Amanda Park, Washington | Info |