Earthquake · reviewed by a seismologist
M 4.0mwr
8 km SSE of San Mateo, New Mexico
- When
- Magnitude
- M 4.0 (mwr)
- Depth
- 10 km below the surface
- Felt
- 39 reports · strongest reported intensity IV
- Measured shaking
- intensity IV (ShakeMap)
- USGS impact alert
- green
- Nearest
- Cibola County, 52 km SW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 8 days ago
This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 39 people have reported feeling it to USGS.
How big was it?
This earthquake released about 15 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.0 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 11,000× the energy of this one
- Mineral, Virginia 2011 M 5.8 500× the energy of this one
- Magna, Utah 2020 M 5.7 350× the energy of this one
- This earthquake M 4.0 about 15 tons of TNT
- Around the size people start to feel M 3.0 this one released 32× 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.
Where
Epicentre 35.2655, -107.5958. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Cibola County, NM | 52 km (32 mi) | NE of here | earthquakes near Cibola County |
| McKinley County, NM | 69 km (43 mi) | ESE of here | earthquakes near McKinley County |
| Sandoval County, NM | 80 km (49 mi) | SW of here | earthquakes near Sandoval County |
| Bernalillo County, NM | 87 km (54 mi) | WNW of here | earthquakes near Bernalillo County |
| Valencia County, NM | 94 km (59 mi) | NW of here | earthquakes near Valencia County |
| Los Alamos County, NM | 134 km (84 mi) | WSW of here | earthquakes near Los Alamos County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
1 earthquake has 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.