Earthquake · reviewed by a seismologist
M 2.3ml
8 km NNW of Bowen Island, Canada
Yes. A magnitude 2.3 earthquake was recorded 8 km NNW of Bowen Island, Canada, at 4:03 pm PDT on 24 April 2025 (23:03 UTC), 8.7 km deep. 1 person has reported feeling it to USGS.
- When
- Magnitude
- M 2.3 (ml)
- Depth
- 8.7 km below the surface
- Felt
- 1 report · strongest reported intensity II
- Nearest
- San Juan County, 107 km SSE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 566 days ago
Earthquake alerts for Point Roberts, WA
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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 18 km (11 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.
How big was it?
This earthquake released about 85 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 180,000× the energy of this one
- Magna, Utah 2020 M 5.7 130,000× the energy of this one
- Around the size people start to feel M 3.0 11× the energy of this one
- This earthquake M 2.3 about 85 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.
For this area
The largest earthquake within 50 km in our catalogue was M 4.8 on 2025-02-21 — about 5,600 times the energy of this one.
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 49.4510, -123.3972. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| San Juan County, WA | 107 km (67 mi) | SSE | earthquakes near San Juan County |
| Whatcom County, WA | 132 km (82 mi) | ESE | earthquakes near Whatcom County |
| Skagit County, WA | 157 km (98 mi) | SE | earthquakes near Skagit County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
5 earthquakes have been recorded within 50 km since this one.
- 1.6 1 km SE of Sechelt, Canada
- 1.8 7 km SE of Sechelt, Canada
- 1.9 4 km S of Sechelt, Canada
- 1.6 3 km E of Sechelt, Canada
- 1.6 0 km SSE of Sechelt, 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.