QuakeIndex

Earthquakes in Santa Cruz County, California

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21

Quiet QuakeIndex 21 / 100

3 quakes of M1.5 or larger in the last 7 days within 50 km. Normal for here is 2 to 5 in a week.

Compared against Santa Cruz County, California's own 10 years · USGS catalogue · updated

The last 30 days

Aug 29 Sep 13 Sep 27
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M1.7–M2.4), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Live · last 7 days

Latest earthquakes within 50 km

None within 50 km in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

Source USGS · snapshot of

Where this is

Centre 37.012, -122.008 — the Census internal point, from the US Census Bureau Gazetteer (2024). Activity is measured within 50 km of it.

Largest on record nearby

MagnitudeWhenWhere
M 5.1 15km ESE of Alum Rock, CA
M 4.6 1 km SE of Boulder Creek, CA
M 4.2 4km SE of Aromas, CA
M 4.2 3 km of Aromas, CA
M 4.1 14 km ESE of East Foothills, California
M 4.0 5 km S of San Juan Bautista, CA
M 4.0 2 km ESE of Aromas, California
M 4.0 8 km E of Gilroy, CA

From the QuakeIndex catalogue, built from the USGS FDSN event service · within 50 km of the centre above.

After an earthquake here