US-WASHINGTON
This volcano erupted on -1860 B.C. in UnitedStates where it released a signifant amount of explosivity , reaching a Volcanic Explosivity Index of 6 (VEI: 6). The VEI scale was developed by the USGS and is open-ended with the largest volcanoes in history given a magnitude 8. A value of 0 is given for non-explosive eruptions . This particular volcano, named St.Helens is classified as a historical stratovolcano and is perched at an elevation of 2549ft.
Surface Geology
Underlying geological composition for the surrounding area.
Alaska Peninsula and Aleutian Islands - porphyry copperTertiary felsic to intermediate composition intrusions of the Alaska Peninsula and Aleutian Islands
Pacific Margin - porphyry copper
Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia.
Surface Lithology
Qv - Igneous - VolcanicYoungest volcanic rocks
Related USGS Publications
70159748 - 2016 - Unusually large tsunamis frequent a currently creeping part of the Aleutian megathrust70142817 - 2015 - Basement and regional structure along strike of the Queen Charlotte Fault in the context of modern and historical earthquake ruptures
sir20155110 - 2015 - 2013 volcanic activity in Alaska: summary of events and response of the Alaska Volcano Observatory
Latest Volcano Events
Recent Volcano activity from around the globe.
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Under the Volcano celebrates 30 years of business
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Under the Volcano, located at 2349 Bissonnet St., Houston, will celebrate 30 years of business with a special event on Saturday, Sept. 21, from 7 ... -
Light mag. 4.3 earthquake - 16 km of Takht, Hormozgan (Iran) on Monday, 16 September 2019 ...
2019-09-16T20:15:00Z
Nearest volcano: Qal'eh Hasan Ali (220 km) Primary data source: IRSC Estimated released energy: 1.8*10^11 J (49.4 MWh / 42.5 tons of TNT) [learn ... -
This Tech Could Completely Change How We Predict Volcanic Eruptions
2019-09-16T19:18:45Z
On July 19, 2008, volcanologists at the Alaska Volcano Observatory were stunned to see evidence of an eruption at Okmok Volcano in the remote ... -
Scots scientists unearth secrets of the Earth's crust on Greenland
2019-09-16T18:56:15Z
Now Scottish university scientists believe volcanoes on Greenland, believed to be some of the oldest on earth, could provide new insights into how ... -
Light mag. 4.7 earthquake - 23 km of Jirandeh, Gilan on Monday, 16 September 2019 ...
2019-09-16T17:41:29Z
Nearest volcano: Damavand (209 km) Primary data source: IRSC Estimated released energy: 7.1*10^11 J (197 MWh / 169 tons of TNT) [learn more]. -
Global Peripheral vascular device Market 2019 – Abbott Vascular, Bayer Healthcare, Volcano ...
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Some of the Major worldwide Peripheral vascular device Market 2019 Players Are: Abbott Vascular, Bayer Healthcare, Volcano Corporation, Teleflex ...
| Nearby Tsunamis | |
|---|---|
|
7 mag |
N.MEXICO 11-29-1852 T00:00:00 |
|
5.7 mag |
S.CALIFORNIA 01-01-1927 T08:17:00 |
|
5.9 mag |
S.CALIFORNIA 05-27-1862 T20:00:00 |
|
6.3 mag |
S.CALIFORNIA 03-11-1933 T01:54:7.8 |
|
6.4 mag |
S.CALIFORNIA 12-25-1899 T12:25:00 |
|
5.2 mag |
S.CALIFORNIA 08-31-1930 T00:40:38 |
|
6 mag |
S.CALIFORNIA 07-11-1855 T04:15:00 |
|
7.5 mag |
S.CALIFORNIA 12-21-1812 T19:00:00 |
|
6.7 mag |
WESTCOAST,USA 01-17-1994 T12:30:55.3 |
|
7.3 mag |
S.CALIFORNIA 11-04-1927 T13:50:43 |
| Volcano Measurement | |
|---|---|
| |
| Volcano Stats | |
|---|---|
| year | -1860 |
| id | 11 |
| location | US-Washington |
| time | -1860 B.C. |
| latitude | 46.2 |
| type | Stratovolcano |
| vei | 6 |
| status | Historical |
| elevation | 2549 |
| name | St.Helens |
| longitude | -122.18 |
| country | UnitedStates |