2.1
Earthquake Details: 17 km WSW of Johannesburg, CA
Aug 20, 2026, 05:28:24
A magnitude 2.1 earthquake occurred near 17 km WSW of Johannesburg, CA on Aug 20, 2026 at 05:28:24. The seismic event was recorded at a depth of 7.65 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth7.65 km
Significance70
Latitude35.3207
Longitude-117.8107
Event IDci41530888
Magnitude2.1
Updated:Aug 20, 2026, 14:17:13 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Aug 19, 2026, 22:28:24 PDT
- UTC
- Aug 20, 2026, 05:28:24 UTC
7.65 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.010 km ENE of Coso Junction, CAAfterM3.310 km ENE of Coso Junction, CAAfterM3.6Offshore Baja California, MexicoAfterM2.84 km NW of Parkfield, CAAfterM4.010 km ENE of Coso Junction, CAAfterM3.410 km ENE of Coso Junction, CAAfterM3.510 km ENE of Coso Junction, CAAfterM3.0Baja California, MexicoAfterM2.819 km SW of Toms Place, CAAfterM2.919 km SW of Toms Place, CAAfterM3.0Baja California, MexicoAfterM3.112 km WSW of Salton City, CAAfter
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 20, 2026, 14:17 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.