Minor mag. 2.1 earthquake - Olympic Peninsula, Washington (USA), on Friday, July 9, 1999 at 07:45 GMT
Minor magnitude 2.1 earthquake at 39 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
|Date & time||Jul 9, 1999 07:45:42 UTC|
|Local time at epicenter|
|Epicenter latitude / longitude||47.0635°N / 123.46783°W (Washington, United States)|
|Antipode||47.064°S / 56.532°E|
|Shaking intensity||Not felt|
|Primary data source||USGS (United States Geological Survey)|
|Nearest volcano||Mount Rainier (132 km / 82 mi)|
|Nearby towns and cities||7 km (4 mi) N of Satsop (pop: 675) | Show on map | Quakes nearby|
15 km (10 mi) W of McCleary (pop: 1,620) | Show on map | Quakes nearby
28 km (17 mi) ENE of Aberdeen (Grays Harbor County) (pop: 16,300) | Show on map | Quakes nearby
43 km (27 mi) W of Tumwater (Thurston County) (pop: 19,200) | Show on map | Quakes nearby
43 km (27 mi) W of Olympia (pop: 50,300) | Show on map | Quakes nearby
49 km (30 mi) W of Lacey (pop: 46,400) | Show on map | Quakes nearby
72 km (45 mi) WSW of University Place (Pierce County) (pop: 32,800) | Show on map | Quakes nearby
73 km (45 mi) W of Lakewood (pop: 59,800) | Show on map | Quakes nearby
|Estimated seismic energy released||8.9 x 107 joules (24.8 kilowatt hours) | about seismic energy|
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|2.1||39 km||Olympic Peninsula, Washington (USA)||USGS|
User reports for this quakeAt magnitude 2.1, such a quake wouldn't normally be felt by people except under very favorable conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.