Letcher, South Dakota — Earthquakes
Earthquakes Near Letcher, South Dakota
A list of all earthquakes centered near Letcher, South Dakota over the last 40 years. Data courtesy of USGS: Global Earthquake Search.
Nearest Earthquakes by Distance
| # | Earthquake | Distance |
|---|---|---|
| 1. | 1986-05-25 - Mag. 3.60 (mblg) | 8 mi. |
| 2. | 1990-10-25 - Mag. 3.60 (mb) | 18.1 mi. |
| 3. | 1987-07-09 - Mag. 3.00 (mblg) | 31 mi. |
| 4. | 2005-10-19 - Mag. 3.10 (mblg) | 32.3 mi. |
| 5. | 2002-07-26 - Mag. 3.10 (mblg) | 32.4 mi. |
| 6. | 2003-11-21 - Mag. 3.50 (mblg) | 40.2 mi. |
| 7. | 1987-10-15 - Mag. 3.00 (ml) | 45.8 mi. |
| 8. | 1982-11-15 - Mag. 4.30 (ml) | 63.2 mi. |
Earthquake Locations