Earthquake · reviewed by a seismologist
M 1.6ml
Ontario-Quebec border region, Canada
Yes. A magnitude 1.6 earthquake was recorded in the Ontario-Quebec border region, Canada, at 1:20 am EDT on 28 August 2023 (05:20 UTC), 5.0 km deep.
- When
- Magnitude
- M 1.6 (ml)
- Depth
- 5.0 km below the surface
- Felt
- no reports yet
- Nearest
- Franklin County, 46 km S
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 1105 days ago
Earthquake alerts for Fort Covington Hamlet, NY
Get a notification in this browser when USGS records an earthquake near Fort Covington Hamlet, NY. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 6 km (4 mi) from the epicentre. Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.
Earthquakes near other towns within 30 km: Fort Covington Hamlet, Malone.
How big was it?
This earthquake released about 7.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 2,000,000× the energy of this one
- Magna, Utah 2020 M 5.7 1,400,000× the energy of this one
- Around the size people start to feel M 3.0 130× the energy of this one
- This earthquake M 1.6 about 7.6 lb of TNT
Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.
Where
Epicentre 45.0120, -74.3205. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Franklin County, NY | 46 km (29 mi) | S | earthquakes near Franklin County |
| Clinton County, NY | 56 km (35 mi) | ESE | earthquakes near Clinton County |
| St. Lawrence County, NY | 83 km (52 mi) | SW | earthquakes near St. Lawrence County |
| Grand Isle County, VT | 84 km (52 mi) | ESE | earthquakes near Grand Isle County |
| Essex County, NY | 109 km (68 mi) | SSE | earthquakes near Essex County |
| Franklin County, VT | 112 km (70 mi) | E | earthquakes near Franklin County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
16 earthquakes have been recorded within 50 km since this one.
- 1.6 9 km N of Brasher Falls, New York
- 1.6 5 km S of Fort Covington Hamlet, New York
- 1.6 6 km ESE of Fort Covington Hamlet, New York
- 1.7 6 km SSW of Melocheville, Canada
- 1.5 3 km SE of Lyon Mountain, New York
- 1.6 6 km SW of Rigaud, Canada
- 2.2 8 km W of Saint Regis Falls, New York
- 2.5 6 km SSE of Fort Covington Hamlet, New York
- 2.8 11 km SSW of Sainte-Martine, Canada
- 2.5 10 km S of Franklin, Canada
- 1.8 6 km WNW of Huntingdon, Canada
- 2.1 8 km WNW of Huntingdon, Canada
- 3.1 6 km WNW of Huntingdon, Canada
- 1.9 8 km ESE of Fort Covington Hamlet, New York
- 1.9 4 km NNE of Huntingdon, Canada
Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.
On USGS
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.