Sonic Booms near Simi Valley, CA

Since early 2026, we have detected 12 sonic boom events near Simi Valley, CA: 9 confirmed and 3 suspected. These detections are identified by analyzing real-time web traffic spikes on a popular earthquake information website.

12 Events Detected

Suspected
April 02, 2026
Lompoc, CA
A traffic spike was detected near Vandenberg and Lompoc at 4:52 PM PDT on April 2, inside a SpaceX launch window that...
Confirmed
March 30, 2026
Ventura County, CA — Transporter-16
SpaceX launched the Transporter-16 rideshare mission from Vandenberg SFB's SLC-4E at 4:02 AM PDT on March 30. The...
Confirmed
March 26, 2026
Ventura County, CA — Starlink 17-17
SpaceX launched 25 Starlink satellites from Vandenberg SFB's SLC-4E at 4:03 PM PDT on March 26. Booster B1081, on its...
Suspected
February 18, 2026
San Luis Obispo, CA
A traffic spike was detected near San Luis Obispo on the afternoon of February 18, about 5 hours after a separate...
Suspected
February 18, 2026
Santa Maria, CA
A strong traffic spike was detected near Santa Maria on the morning of February 18. A SpaceX Starlink 17-25 launch from...
Confirmed
February 15, 2026
Vandenberg, CA — Starlink 17-13 (600th Falcon 9)
SpaceX's 600th Falcon 9 mission launched 25 Starlink satellites from Vandenberg SFB's SLC-4E at 5:59 PM PST on February...
Confirmed
February 11, 2026
Vandenberg, CA — Starlink 17-34
SpaceX launched 24 Starlink satellites from Vandenberg SFB's SLC-4E at 9:11 AM PST on February 11. Booster B1100, on...
Confirmed
January 15, 2026
SpaceX Crew-11 Dragon Re-entry
NASA's Crew-11 Dragon capsule made an early return from the ISS after one of its four astronauts required urgent...
Confirmed
March 01, 2026
Newbury Park, CA — Starlink 17-23
SpaceX launched 25 Starlink satellites from Vandenberg SFB at 2:10 AM PST on March 1. Booster B1082, on its 20th...
Confirmed
March 08, 2026
Vandenberg, CA — Starlink 17-18
SpaceX launched 25 Starlink satellites from Vandenberg SFB's SLC-4E at 4:00 AM PDT on March 8. Booster B1097, on its...
Confirmed
March 17, 2026
Santa Paula, CA — Starlink 17-24
SpaceX launched 25 Starlink satellites from Vandenberg SFB's SLC-4E at 10:19 PM PDT on March 16. Booster B1088, on its...
Confirmed
March 13, 2026
Ventura, CA — Starlink 17-31
SpaceX launched 25 Starlink satellites from Vandenberg SFB's SLC-4E at approximately 7:58 AM PDT on March 13. Veteran...