Quake-O-Meter

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Quakes and stats within 500 km (311 mi) of 46.8°N/121.8°W past 14 days

DOWN by 17%
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Color of quakes reflects depth (red=shallow to blue=deep).
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The total number of quakes above magnitude 2 that occurred during the 14 days in the marked area was 8, 17% less than normally. This is compared to the average number (Ø) of 9.6 quakes obtained from the 100 preceding 14 days intervals with a standard mean deviation (σ) of 3.7 (which is a measure of the typical amount of variation, or spread, of quake numbers during such a time interval).
Interpretation: There is no significant variation in the number of quakes that occurred during the past 14 days.
 Mag Total # Ø σ Obs. deviation 6+ 0 0 0 n/a 5+ 0 0 0 n/a 4+ 0 0.1 0.2 -0.1 -100% (-0.2σ) 3+ 1 0.5 0.7 +0.5 +100% (+0.7σ) 2+ 7 9.1 3.5 -2.1 -23% (-0.6σ) All 8 9.6 3.7 -1.6 -17% (-0.4σ)
Explanation:
BLACK = Number of quakes within normal statistical range
RED = Significantly lower than normal number of quakes
GREEN = Significantly higher than normal number of quakes

Latest confirmed earthquakes in the marked area past 14 days

Showing recent quakes magnitude 2 or higher (8).
 Date and time MagDepth Location Details 1 Dec 2021 19:58:00 GMT(21 hours ago 2.00.5 km Explosion - 10 Km NE of Sprague, Washington [Show on map] More 30 Nov 2021 20:52:44 GMT(1 day 20 hours ago 2.00 km British Columbia, Canada [Show on map] More 27 Nov 2021 18:51:28 GMT(5 days ago 2.00.4 km Explosion - 6 Km S of Princeton, Canada [Show on map] More 27 Nov 2021 05:18:46 GMT(5 days ago 2.515 km 11 Km WNW of Beaver, Oregon 4 reports [Show on map] More 26 Nov 2021 23:57:01 GMT(6 days ago 2.212 km 14 Km NNE of Ashford, Washington [Show on map] More 20 Nov 2021 09:11:30 GMT(12 days ago 2.316 km 8 Km N of Anacortes, Washington [Show on map] More 19 Nov 2021 09:58:05 GMT(13 days ago 3.210 km 218 Km S of Ucluelet, BC 1 report [Show on map] More 18 Nov 2021 18:30:20 GMT(14 days ago 2.20.8 km Explosion - 4 Km ENE of Lewiston, Idaho [Show on map] More
Estimated combined seismic energy released: 5 x 109 joules (1.38 megawatt hours, equivalent to 1.18 tons of TNT) More info

Current seismic activity level

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