Earthquake · reviewed by a seismologist
M 1.7md
4km SW of New Idria, CA
- When
- Magnitude
- M 1.7 (md)
- Depth
- 16 km below the surface
- Felt
- no reports yet
- Nearest
- San Benito County, 42 km NW
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 1543 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 12 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 1,200,000× the energy of this one
- Magna, Utah 2020 M 5.7 870,000× the energy of this one
- Around the size people start to feel M 3.0 78× the energy of this one
- This earthquake M 1.7 about 12 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 36.3963, -120.7055. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction | |
|---|---|---|---|
| San Benito County, CA | 42 km (26 mi) | SE of here | earthquakes near San Benito County |
| Monterey County, CA | 57 km (36 mi) | ENE of here | earthquakes near Monterey County |
| Kings County, CA | 88 km (54 mi) | WNW of here | earthquakes near Kings County |
| Merced County, CA | 89 km (55 mi) | S of here | earthquakes near Merced County |
| Fresno County, CA | 102 km (63 mi) | WSW of here | earthquakes near Fresno County |
| San Luis Obispo County, CA | 114 km (71 mi) | NNW of here | earthquakes near San Luis Obispo County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
51 earthquakes have been recorded within 50 km since this one.
- 1.9 4km NNE of Pinnacles, CA
- 1.7 3km NNE of Pinnacles, CA
- 2.5 12km SE of Pinnacles, CA
- 1.5 23km W of New Idria, CA
- 2.3 2km NE of Pinnacles, CA
- 2.1 23km NE of San Ardo, CA
- 1.9 23km NE of San Ardo, CA
- 2.8 2km N of New Idria, CA
- 2.1 5km NNW of Pinnacles, CA
- 1.9 5km NNW of Pinnacles, CA
- 2.0 8km NW of Pinnacles, CA
- 1.9 20km NNW of New Idria, CA
- 1.5 30km E of Tres Pinos, CA
- 1.6 4km ENE of Pinnacles, CA
- 1.7 3km NE of New Idria, CA
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.
For this area
The largest earthquake within 50 km in our catalogue was M 4.1 on 2022-03-13 — it released about 3,700 times the energy of this one.
From the QuakeIndex catalogue, built from the USGS FDSN event service.
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.