Earthquake reference
18 km WSW of Johannesburg, CA
USGS recorded this 1.2 magnitude event near 18 km WSW of Johannesburg, CA at 2026-10-15T16:32:40.890000+00:00. The published hypocentral depth is 9 km and the review status is reviewed. Event parameters can be revised as additional observations are processed. Nearby airports and postal locations on this page are calculated spatial references only; they do not establish administrative jurisdiction, damage, causation or future risk. This record is not an earthquake forecast or emergency alert.
Key facts
- Magnitude
- 1.2
- Magnitude type
- ml
- Occurred at
- 2026-10-15T16:32:40.890000+00:00
- Updated at
- 2026-10-15T20:18:45.981000+00:00
- Review status
- reviewed
- Event type
- earthquake
- Tsunami flag
- No
- Significance
- 22
- Network
- ci
- Latitude
- 35.3218333333333
- Longitude
- -117.818666666667
- Depth (km)
- 9
- USGS event page
- https://earthquake.usgs.gov/earthquakes/eventpage/ci41347919
Upstream revision context
USGS event revision
This timeline contains versions captured by DataOfWorld; it is not a complete official revision archive.
| Updated | Status | Payload digest |
|---|---|---|
| 2026-10-15T20:18:45.981000+00:00 | reviewed | 5a242ee88814 |
Associated event IDs: ci41347919
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
USGS Earthquake Hazards Program
- Applicable date
- 2026-10-15
- Dataset version
- 3cf1423f7d0a
- License
- United States public domain
- Attribution
- U.S. Geological Survey
DataOfWorld deterministic earthquake profile template
- Applicable date
- 2026-10-15
- Dataset version
- earthquake-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.