Earthquake · reviewed by a seismologist
M 1.9ml
12 km ESE of Evergreen, Montana
- When
- Magnitude
- M 1.9 (ml)
- Depth
- 13 km below the surface
- Felt
- no reports yet
- Nearest
- Flathead County, 12 km NNE
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 552 days ago
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
How big was it?
This earthquake released about 19 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 790,000× the energy of this one
- Magna, Utah 2020 M 5.7 560,000× the energy of this one
- Around the size people start to feel M 3.0 50× the energy of this one
- This earthquake M 1.9 about 19 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 48.1917, -114.1160. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| Flathead County, MT | 12 km (8 mi) | SSW of here | earthquakes near Flathead County |
| Lake County, MT | 61 km (38 mi) | N of here | earthquakes near Lake County |
| Sanders County, MT | 93 km (58 mi) | ENE of here | earthquakes near Sanders County |
| Glacier County, MT | 101 km (63 mi) | SW of here | earthquakes near Glacier County |
| Lincoln County, MT | 107 km (67 mi) | ESE of here | earthquakes near Lincoln County |
| Mineral County, MT | 139 km (86 mi) | NNE of here | earthquakes near Mineral County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
4 earthquakes have been recorded within 50 km since this one.
- 2.4 9 km SSW of Bear Dance, Montana
- 1.6 1 km SSW of Dayton, Montana
- 2.0 5 km SSW of West Glacier, Montana
- 1.8 12 km NE of Forest Hill Village, Montana
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.