Earthquake · reviewed by a seismologist
M 3.3mwr
Earthquake near Oswego, NY
No earthquake was likely felt in Oswego in the 24 hours to 7:44 pm EST (00:44 UTC). The last one was M 2.8, 30 km (19 mi) N, at 9:08 am EDT on 21 March 2026, estimated intensity III (weak) in town; 10 felt reports to USGS. Every earthquake near Oswego
This page: a magnitude 3.3 earthquake was recorded 33 km (21 mi) north-northeast of Oswego, NY, at 11:45 pm EDT on 28 June 2024 (03:45 UTC), 5.0 km deep. 735 people have reported feeling it to USGS.
USGS: 14 km W of Ellisburg, New York
77 km (48 mi) N of Syracuse, NY
- When
- 11:45 pm EDT on 28 June 2024 ()
- Where
- 33 km (21 mi) north-northeast of Oswego, NY · earthquakes near Oswego
- New York today
- every earthquake in New York in the last 24 hours
- Magnitude
- M 3.3 (mwr)
- Depth
- 5.0 km below the surface
- Felt
- 735 reports · strongest reported intensity IV
- Nearest
- Oswego County, 30 km SSE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 684 days ago
Earthquake alerts for Oswego, NY
Get a notification in this browser when USGS records an earthquake near Oswego, 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 small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.
At this magnitude and depth, people at rest would likely notice it out to about 234 km (145 mi) from the epicentre. In Oswego, 33 km away, the estimate is intensity III (weak). 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: Pulaski, Adams, Richland, Adams Center, Sackets Harbor.
How big was it?
This earthquake released about 1.3 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.3 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 130,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 5,600× the energy of this one
- Magna, Utah 2020 M 5.7 4,000× the energy of this one
- This earthquake M 3.3 about 1.3 tons of TNT
- Around the size people start to feel M 3.0 this one released 2.8× more
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.
For this area
No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.
Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.
Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.
Where
Epicentre 43.7221, -76.3188. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Oswego County, NY | 30 km (19 mi) | SSE | earthquakes near Oswego County |
| Jefferson County, NY | 37 km (23 mi) | NE | earthquakes near Jefferson County |
| Lewis County, NY | 71 km (44 mi) | E | earthquakes near Lewis County |
| Onondaga County, NY | 80 km (50 mi) | S | earthquakes near Onondaga County |
| Wayne County, NY | 81 km (51 mi) | SW | earthquakes near Wayne County |
| Cayuga County, NY | 82 km (51 mi) | SSW | earthquakes near Cayuga County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
3 earthquakes have been recorded within 50 km since this one.
- 2.8 28 km WSW of Henderson, New York
- 1.6 1 km WSW of Adams Center, New York
- 1.5 1 km SW of Adams Center, New York
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.