Alpena, South Dakota — Earthquakes
Earthquakes Near Alpena, South Dakota
A list of all earthquakes centered near Alpena, South Dakota over the last 40 years. Data courtesy of USGS: Global Earthquake Search.
Nearest Earthquakes by Distance
| # | Earthquake | Distance |
|---|---|---|
| 1. | 1987-07-09 - Mag. 3.00 (mblg) | 11 mi. |
| 2. | 2002-07-26 - Mag. 3.10 (mblg) | 14.4 mi. |
| 3. | 1986-05-25 - Mag. 3.60 (mblg) | 17.3 mi. |
| 4. | 2003-11-21 - Mag. 3.50 (mblg) | 21 mi. |
| 5. | 1987-10-15 - Mag. 3.00 (ml) | 23.2 mi. |
| 6. | 1990-10-25 - Mag. 3.60 (mb) | 27.3 mi. |
| 7. | 2005-10-19 - Mag. 3.10 (mblg) | 41.6 mi. |
Earthquake Locations