mining explosion · reviewed by a seismologist
M 2.8ml
Earthquake near Grants, NM
No earthquake was likely felt in Grants in the 24 hours to 7:42 am MST (14:42 UTC). The last one was M 4.0, 27 km (17 mi) ENE, at 4:19 am MDT on 22 August 2026, estimated intensity III (weak) in town; 39 felt reports to USGS. Every earthquake near Grants
No: USGS classifies this as a mining explosion, not an earthquake. A magnitude 2.8 mining explosion was recorded 45 km (28 mi) north-northeast of Grants, NM, at 9:52 am MDT on 18 October 2024 (15:52 UTC), less than 1 km deep.
USGS: 19 km N of San Mateo, New Mexico
98 km (61 mi) WNW of Albuquerque, NM
- When
- 9:52 am MDT on 18 October 2024 ()
- Where
- 45 km (28 mi) north-northeast of Grants, NM · earthquakes near Grants
- Magnitude
- M 2.8 (ml)
- Depth
- 0.0 km below the surface
- Felt
- no reports yet
- Nearest
- McKinley County, 59 km W
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 685 days ago
Earthquake alerts for Grants, NM
Get a notification in this browser when USGS records an earthquake near Grants, NM. 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 27 km (17 mi) from the epicentre. In Grants, 45 km away, the estimate is intensity II (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.
USGS catalogues this as mining explosion, not an earthquake.
How big was it?
This earthquake released about 480 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.8 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 32,000× the energy of this one
- Magna, Utah 2020 M 5.7 22,000× the energy of this one
- Around the size people start to feel M 3.0 2× the energy of this one
- This earthquake M 2.8 about 480 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 35.5051, -107.6112. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| McKinley County, NM | 59 km (37 mi) | W | earthquakes near McKinley County |
| Sandoval County, NM | 69 km (43 mi) | ENE | earthquakes near Sandoval County |
| Cibola County, NM | 73 km (45 mi) | SSW | earthquakes near Cibola County |
| Bernalillo County, NM | 99 km (62 mi) | ESE | earthquakes near Bernalillo County |
| Valencia County, NM | 114 km (71 mi) | SE | earthquakes near Valencia County |
| Los Alamos County, NM | 124 km (77 mi) | ENE | earthquakes near Los Alamos County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
2 earthquakes have been recorded within 50 km since this one.
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.