1993 Scotts Mills earthquake
The 1993 Scotts Mills earthquake, also known as the "Spring break quake", occurred in the U.S. state of Oregon on March 25 at 5:34 AM Pacific Standard Time. With a moment magnitude of 5.6 and a maximum perceived intensity of VII (Very strong) on the Mercalli intensity scale, it was the largest earthquake in the Pacific Northwest since the Elk Lake and Goat Rocks earthquakes of 1981. Ground motion was widely felt in Oregon's Willamette Valley, the Portland metropolitan area, and as far north as the Puget Sound area near Seattle, Washington.
Portland Salem Bend Roseburg | |
| UTC time | 1993-03-25 13:34:37 |
|---|---|
| ISC event | 244845 |
| USGS-ANSS | ComCat |
| Local date | March 25, 1993 |
| Local time | 05:34:37 |
| Magnitude | 5.6 Mw |
| Depth | 16.2 km (10 mi) |
| Epicenter | 45.06°N 122.55°W |
| Type | Oblique-slip |
| Areas affected | Western Oregon United States |
| Total damage | $28 million |
| Max. intensity | MMI VII (Very strong) |
| Peak acceleration | 0.06 g |
| Casualties | Six injured |
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