Largest earthquakes in or near Olympia, Washington, USA, on record since 1900 - list, stats and map

Updated Jul 1, 2022 17:59 GMT -

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Quakes since 1900:

3 quakes above magnitude 6
29 quakes between magnitude 5 and 6
367 quakes between magnitude 4 and 5

Since 1900, Olympia has had 3 quakes of magnitude 6.0 or above, 29 quakes between 5.0 and 6.0, and 367 quakes between 4.0 and 5.0. See all quakes in the past 24 hours!

Latest quake: Mag. 4.6 | 2.4 mi NW of Monroe (Washington), Snohomish County, Washington, USA -

Strongest quake: Mag. 6.8 | Harstine Island, 15 mi SW of Tacoma, Pierce County, Washington, USA -

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Showing quakes since 1900, magnitude 4 or higher (399 quakes):

Date and time	Mag Depth	Nearest volcano (distance)	Location	Details	Map
2019-07-12 01:51:38 -08:00 (Jul 12, 2019 09:51 GMT)	4.6 29 km	69 km (43 mi)	0km SSW of Three Lakes, Washington (USA) 1797 reports	More	Map
2017-02-22 20:59:04 -08:00 (Feb 23, 2017 04:59 GMT)	4.1 15 km	117 km (73 mi)	- 14km W of Belfair, Washington 85 reports	More	Map
Sep 12, 2015 22:22 GMT	4.0 19 km	74 km (46 mi)	WASHINGTON 51 reports	More	Map
Wednesday, September 17, 2014 03:06:12 (Sep 17, 2014 10:06 GMT)	4.0 17 km	119 km (74 mi)	15km WSW of Seabeck, Washington 64 reports	More	Map
Feb 14, 2011 18:35 GMT	4.3 4.3 km		Mount St. Helens area, Washington (USA)	More	Map
Nov 16, 2010 15:51 GMT	4.2 14 km		Washington (USA)	More	Map
Jul 1, 2009 12:09 GMT	4.0 58 km		Puget Sound region, Washington (USA)	More	Map
Jan 30, 2009 13:25 GMT	4.7 62 km		Seattle-Tacoma urban area, Washington (USA)	More	Map
Oct 8, 2006 02:48 GMT	4.5 1.6 km		Washington (USA)	More	Map
Aug 16, 2004 21:05 GMT	4.0 -1.1 km		Washington (USA)	More	Map
Apr 25, 2003 10:02 GMT	4.8 51 km		Olympic Peninsula, Washington (USA)	More	Map
Jul 22, 2001 15:13 GMT	4.3 52 km		Puget Sound region, Washington (USA)	More	Map
Jun 10, 2001 13:19 GMT	5.0 40 km		Olympic Peninsula, Washington (USA)	More	Map
Feb 28, 2001 18:54 GMT	6.8 52 km		Puget Sound region, Washington (USA)	More	Map
Jul 3, 1999 01:43 GMT	5.8 40 km		Olympic Peninsula, Washington (USA)	More	Map
Jun 23, 1997 19:13 GMT	4.9 13 km		Seattle-Tacoma urban area, Washington (USA)	More	Map
Sep 13, 1996 22:06 GMT	4.0 3 km		Washington (USA)	More	Map
May 3, 1996 04:04 GMT	5.4 3.8 km		Puget Sound region, Washington (USA)	More	Map
May 20, 1995 12:48 GMT	4.1 12 km		Washington (USA)	More	Map
Jan 29, 1995 03:11 GMT	5.0 15 km		Seattle-Tacoma urban area, Washington (USA)	More	Map
Jun 18, 1994 07:01 GMT	4.3 -0.8 km		Washington (USA)	More	Map

Estimated combined seismic energy released: 3 x 10¹⁵ joules (836 gigawatt hours, equivalent to 7.2 x 10⁵ tons of TNT or 45 atomic bombs!) | about seismic energy

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Olympia Earthquake FAQ

When was the latest earthquake in Olympia?

The last earthquake in Olympia occurred 3 years ago: Moderate mag. 4.6 earthquake - 2.4 mi northwest of Monroe (Washington), Snohomish County, Washington, USA, on 2019-07-12 01:51:38 -08:00.

How many quakes were there in Olympia since 1900?

Since 1900, Olympia, Washington, USA had 399 quakes up to magnitude 6.8.

What was the strongest quake in Olympia since 1900?

The strongest earthquake in Olympia since 1900 occurred 21 years ago: Very strong mag. 6.8 earthquake - Harstine Island, 15 mi southwest of Tacoma, Pierce County, Washington, USA, on Wednesday, February 28, 2001 at 18:54 GMT.