QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0md

4km E of Interlaken, CA

· 12 km deep · released about 31 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Santa Cruz County 29 kmSanta Clara County 30 kmSan Benito County 65 kmSan Mateo County 80 kmAlameda County 80 kmMonterey County 86 kmMerced County 90 kmStanislaus County 91 kmContra Costa County 110 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 2.0 (md)
Depth
12 km below the surface
Felt
1 report · strongest reported intensity III
Nearest
Santa Cruz County, 29 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1598 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 31 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 480,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 340,000× the energy of this one
  3. Around the size people start to feel M 3.0 31× the energy of this one
  4. This earthquake M 2.0 about 31 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 36.9503, -121.6862. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Santa Cruz County, CA 29 km (18 mi) ESE of here earthquakes near Santa Cruz County
Santa Clara County, CA 30 km (19 mi) S of here earthquakes near Santa Clara County
San Benito County, CA 65 km (41 mi) NW of here earthquakes near San Benito County
San Mateo County, CA 80 km (50 mi) SE of here earthquakes near San Mateo County
Alameda County, CA 80 km (50 mi) SSE of here earthquakes near Alameda County
Monterey County, CA 86 km (53 mi) NNW of here earthquakes near Monterey County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

45 earthquakes have been recorded within 50 km since this one.

  1. 1.9 13km ESE of Alum Rock, CA
  2. 1.8 5km WSW of Ridgemark, CA
  3. 3.0 10km ESE of Gilroy, CA
  4. 1.9 13km S of Tres Pinos, CA
  5. 1.9 4km S of San Juan Bautista, CA
  6. 2.1 3km ESE of Aromas, CA
  7. 1.7 2km E of Aromas, CA
  8. 2.4 15km SSE of Tres Pinos, CA
  9. 2.2 4km S of San Juan Bautista, CA
  10. 1.9 2km SSW of Hollister, CA
  11. 2.3 2km SSW of Hollister, CA
  12. 2.7 15km N of Morgan Hill, CA
  13. 1.8 4km SSW of San Juan Bautista, CA
  14. 1.6 10km NE of San Martin, CA
  15. 2.0 8km NNE of Day Valley, 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 4.7 on 2019-10-15 — it released about 11,000 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.