Event status: disregarded [?]

Reported seismic-like event (likely no quake): 35 km northeast of Brockville, Ontario, Canada, Sep 20, 2021 9:33 pm (GMT -4) -

Reported seismic-like event (likely no quake): 35 km northeast of Brockville, Ontario, Canada, Sep 20, 2021 9:33 pm (GMT -4)
21 Sep 01:37 UTC: First to report: VolcanoDiscovery after 5 minutes.
Date & time: Sep 21, 2021 01:33:00 UTC -
Local time at epicenter: Monday, Sep 20, 2021 9:33 pm (GMT -4)
Magnitude: 3?
Depth: 10.0 km
Epicenter latitude / longitude: 44.82471°N / 75.38818°W (United Counties of Leeds and Grenville, Ontario, Canada)
Antipode: 44.825°S / 104.612°E
Nearby towns and cities:
16 km (10 mi) NE of Prescott (pop: 4,470) --> See nearby quakes!
16 km (10 mi) NNE of Ogdensburg (New York, USA) (pop: 10,900) --> See nearby quakes!
18 km (11 mi) WSW of Morrisburg (pop: 3,010) --> See nearby quakes!
35 km (22 mi) NE of Brockville (pop: 23,900) --> See nearby quakes!
56 km (35 mi) WSW of Cornwall (pop: 48,800) --> See nearby quakes!
63 km (39 mi) SSE of Nepean (pop: 180,000) --> See nearby quakes!
67 km (42 mi) SE of Kanata (pop: 90,000) --> See nearby quakes!
70 km (43 mi) SSE of Ottawa (pop: 812,100) --> See nearby quakes!
77 km (48 mi) SSE of Gatineau (Quebec) (pop: 242,100) --> See nearby quakes!
344 km (214 mi) ENE of Toronto (pop: 2,600,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 14.8°C (59 F), humidity: 88%, wind: 0 m/s (0 kts)
Primary data source: VolcanoDiscovery
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User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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brockville ontario 1:30 pm (0 km SW of epicenter) [Map] / Weak shaking (MMI III) : weak shaking for approx 2 minutes  
Ottawa / Very weak shaking (MMI II) / vibration and rolling / very short
Brockville, ON / not felt
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