  Olympia Seattle  | |
| UTC time | 1965-04-29 15:28:45 |
|---|---|
| ISC event | 858143 |
| USGS-ANSS | ComCat |
| Local date | April 29, 1965 |
| Local time | 08:28:45 PDT |
| Magnitude | 6.7 Mw[1] |
| Depth | 59 km (37 mi)[2] |
| Epicenter | 47°24′N 122°18′W / 47.4°N 122.3°W |
| Type | Dip-slip |
| Areas affected | Puget Sound region Washington United States |
| Total damage | $12.5–28 million[2] |
| Max. intensity | MMI VIII (Severe) |
| Peak acceleration | 0.204 g at Olympia |
| Aftershocks | None |
| Casualties | 7 dead |
The 1965 Puget Sound earthquake occurred at 08:28 AM PDT (15:28 UTC) on April 29 within the Puget Sound region of Washington state. It had a magnitude of 6.7 on the moment magnitude scale and a maximum perceived intensity of VIII (Severe) on the Mercalli intensity scale. It caused the deaths of seven people and about $12.5–28 million in damage.[2][3] There were no recorded aftershocks.[4]
- ^ Cite error: The named reference
Deweywas invoked but never defined (see the help page). - ^ a b c National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. "Significant Earthquake Information". doi:10.7289/V5TD9V7K. Retrieved March 22, 2024.
- ^ United States Geological Survey (October 21, 2009). "Puget Sound area, Washington 1965 04 29 15:28:43.7 UTC Magnitude 6.5 Intensity VIII". Historic Earthquakes. Retrieved January 8, 2012.
- ^ Oakeshott, G.B. (July 1965). "The Seattle Earthquake" (PDF). Mineral Information Service. 18 (7): 140–141. Archived from the original (PDF) on March 12, 2020. Retrieved January 8, 2012.