2.6

M2.6 Earthquake 18 km NNE of Upper Lake, CA — July 31, 2026

2026-07-31 06:51:57 UTC (33 min ago) · approx. 10:51 PM UTC-8 local

MagnitudeM2.6(md)
Time06:51 UTC≈ 10:51 PM UTC-8
Depth4.4 kmshallow crustal
Coordinates39.303°, -122.793°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 39.30°, -122.79°

Earthquake Details

Magnitude
2.6 md
Depth
4.4 km
shallow crustal
Location
39.3028°N
-122.7932°E

Technical Information

Event ID
nc75408977
Event Type
earthquake
Status
Automatic
Significance
108
Stations Used
31
Azimuthal Gap
68.0°
Min Station Distance
0.090°
RMS Residual
0.11 sec
Last Updated
2026-07-31 07:12:22 UTC

Nearby Earthquakes (Last 7 Days)

3.4
16 km WSW of Toms Place, CA
15 hours ago · 7.3 km deep
2.8
10 km ESE of Gilroy, CA
17 hours ago · 1.3 km deep
4.2
8 km ESE of Cloverdale, CA
2 days ago · 5.9 km deep
2.5
32 km WNW of Petrolia, CA
2 days ago · 18.0 km deep
3.0
17 km SE of Silver Springs, Nevada
3 days ago · 4.5 km deep
3.4
18 km SE of Silver Springs, Nevada
3 days ago · 12.0 km deep
2.7
3 km ENE of The Geysers, CA
3 days ago · 1.2 km deep
2.8
3 km ENE of The Geysers, CA
3 days ago · 1.3 km deep
3.0
12 km ESE of Gilroy, CA
3 days ago · 5.2 km deep
2.5
3 km NW of The Geysers, CA
4 days ago · 3.5 km deep

Actions

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Understanding This Data

Magnitude 2.6 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75408977). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 31, 2026). M2.6 Earthquake 18 km NNE of Upper Lake, CA — July 31, 2026. Retrieved July 31, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75408977/