Toppenish and Yakama Reservation lights
Fire lookouts on the Yakama Reservation in Washington reported strange night lights for years; in August 1972 engineer David Akers ran a field study there for J. Allen Hynek.
1972 CE · 46.38, -120.31 · status: unexplained
The account
Tribal fire-control officer Bill Vogel collected reports from lookouts and, later, from state patrol, sheriff's and tribal police officers. Akers photographed lights and took magnetometer readings from 20 to 31 August 1972 and sent his report to Hynek that November. Most of the reports he logged were lights moving at night.
The sceptical view
The area is tectonically active, and some researchers link such lights to strain in the rock (earthquake lights); others suggest vehicles, aircraft and lookouts' expectations.
The researched reading
Years of night lights seen by trained lookouts over faulted ridges. Ordinary lights explain many, and some may be a poorly understood geophysical light; the data were never good enough to say which.
| Explanation | Weight | Why |
|---|---|---|
| Something in the surroundings | 36% | Fire lookouts watching at night over a wide reservation see vehicle lights on ridge roads, aircraft, flares and military flights from the Yakima Training Center; Akers’s own log is mostly of moving night lights, the kind most often traced to such sources. |
| A known natural phenomenon | 30% | The ridges follow active faults, and the earthquake-light literature (and Persinger’s tectonic-strain idea) suggests stressed rock can emit light; bright stars and planets and refraction over the valley add more. The geophysical idea is plausible but no measurement has tied the lights to strain. |
| Perception, memory or mind | 14% | Lookouts primed by years of stories and isolated on long night shifts would be prone to reading ordinary lights as strange; a lone light in darkness also appears to drift (the autokinetic effect). |
| Genuinely anomalous | 11% | Trained observers reported lights over years, with some photographs and magnetometer work, and several remain unidentified. |
| A cultural story | 6% | Yakama traditions of spirit lights and the growing UFO lore of the 1960s gave observers a frame for what they saw. |
| A hoax or fabrication | 3% | Akers’s photographs show lights, not structured craft; no evidence of fabrication. |
Official position: No official investigation; the study was private, for J. Allen Hynek’s Center for UFO Studies.