Strong mag. 5.3 earthquake - San Juan County, 8.6 mi west of Anacortes, Skagit County, Washington, USA, on Thursday, March 17, 1904 at 04:20 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in the US | Washington
Strong magnitude 5.3 earthquake at 0 km depth
Depth: 0.0 km
Epicenter latitude / longitude: 48.5°N / 122.8°W↗ (San Juan, Washington, United States)
Antipode: 48.5°S / 57.2°E↗
Nearest volcano: Mount Baker (79 km / 49 mi)
Nearby towns and cities:
14 km (9 mi) W of Anacortes (pop: 16,400) --> See nearby quakes!
26 km (16 mi) NNW of Oak Harbor (Island County) (pop: 22,700) --> See nearby quakes!
35 km (22 mi) WNW of Mount Vernon (Skagit County) (pop: 34,100) --> See nearby quakes!
37 km (23 mi) SW of Bellingham (pop: 85,100) --> See nearby quakes!
68 km (42 mi) NW of Marysville (pop: 66,800) --> See nearby quakes!
73 km (45 mi) NW of Everett (pop: 108,000) --> See nearby quakes!
90 km (56 mi) NNW of Shoreline (pop: 55,400) --> See nearby quakes!
105 km (65 mi) NNW of Seattle (pop: 684,500) --> See nearby quakes!
141 km (88 mi) N of Puyallup (pop: 207,900) --> See nearby quakes!
163 km (101 mi) N of Olympia (pop: 50,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) More info
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.
|5.3||0 km||San Juan Islands region, Washington (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.