The 16 May 1909 northern Great Plains earthquake
Bulletin of the Seismological Society of America
By: W. H. Bakun, M. C. Stickney, and Gary C. Rogers
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Abstract
The largest historical earthquake in the northern Great Plains occurred on 16 May 1909. Our analysis of intensity assignments places the earthquake location (48.81° N, 105.38° W) close to the Montana–Saskatchewan border with an intensity magnitude MI of 5.3–5.4. Observations from two seismic observatories in Europe give an average Ms value of 5.3. The 1909 earthquake is near an alignment of epicenters of small earthquakes in Montana and Saskatchewan and on strike with the mapped Hinsdale fault in Montana. Thus, the 1909 earthquake may have occurred on a 300-km-long seismically active fault, which could have seismic-hazard implications for the region, particularly for the hydraulically emplaced earth-filled Fort Peck Dam, constructed in the 1930s on the Missouri River in northeast Montana.
Suggested Citation
Bakun, W.H., Stickney, M.C., and Rogers, G., 2011, The 16 May 1909 northern Great Plains earthquake: Bulletin of the Seismological Society of America, v. 101, no. 6, p. 3065-3071, https://doi.org/10.1785/0120110054.
ISSN: 1943-3573 (online)
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The 16 May 1909 northern Great Plains earthquake |
| Series title | Bulletin of the Seismological Society of America |
| DOI | 10.1785/0120110054 |
| Volume | 101 |
| Issue | 6 |
| Publication Date | December 08, 2011 |
| Year Published | 2011 |
| Language | English |
| Publisher | Seismological Society of America |
| Publisher location | El Cerrito, CA |
| Contributing office(s) | Earthquake Science Center |
| Description | 7 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Bulletin of the Seismological Society of America |
| First page | 3065 |
| Last page | 3071 |
| Time Range Start | 1909-05-16 |
| Time Range End | 1909-05-16 |
| Country | United States;Canada |
| Other Geospatial | Great Plains |