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Earthquake · Reviewed by USGS

M2.8 earthquake 57 km W of Petrolia, CA

A magnitude 2.8 earthquake struck 57 km W of Petrolia, CA at Aug 28, 2026, 21:24 UTC, at a depth of 25 km. The epicentre was 84 km (52 mi) SW of Eureka.

Details

Magnitude2.8 md
TimeAug 28, 2026, 21:24 UTC
Depth24.7 km
Coordinates40.334, -124.952
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
2.134 km W of Petrolia, CA23 km / 14 midepth 20 km
1.95 km SSW of Humboldt Hill, CA74 km / 46 midepth 5 km
1.753 km WSW of Petrolia, CA21 km / 13 midepth 4 km
2.316 km SSW of Ferndale, CA52 km / 32 midepth 13 km
1.726 km W of Petrolia, CA30 km / 19 midepth 16 km
3.470 km W of Ferndale, CA34 km / 21 midepth 10 km
1.716 km SE of Petrolia, CA70 km / 43 midepth 11 km
1.515 km SE of Petrolia, CA69 km / 43 midepth 14 km
2.130 km WSW of Petrolia, CA29 km / 18 midepth 17 km
1.514 km SE of Petrolia, CA68 km / 42 midepth 13 km
1.114 km SE of Petrolia, CA67 km / 42 midepth 13 km
1.813 km SE of Petrolia, CA67 km / 42 midepth 13 km
1.714 km SE of Petrolia, CA68 km / 42 midepth 14 km
3.314 km SE of Petrolia, CA67 km / 42 midepth 11 km
3.180 km WNW of Ferndale, CA63 km / 39 midepth 5 km
1.923 km W of Petrolia, CA33 km / 21 midepth 10 km
2.618 km WSW of Petrolia, CA40 km / 25 midepth 7 km
1.829 km W of Petrolia, CA28 km / 18 midepth 17 km
2.912 km W of Petrolia, CA45 km / 28 midepth 19 km
1.812 km SW of Rio Dell, CA63 km / 39 midepth 21 km
2.975 km W of Petrolia, CA19 km / 12 midepth 4 km
3.023 km NE of Hydesville, CA98 km / 61 midepth 5 km
2.722 km W of Petrolia, CA35 km / 22 midepth 9 km
2.844 km WNW of Petrolia, CA21 km / 13 midepth 25 km
1.820 km W of Petrolia, CA37 km / 23 midepth 11 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.