CASE FILE #06731

REPORTED

SCP-948 – The Echoing Voice

  • 2026
  • 5 min read
  • internet age entities (slender man, scp etc.)

Introduction to SCP-948 – The Echoing Voice

In the labyrinthine halls of the Foundation’s archives lies a phenomenon so unsettling and enigmatic that it challenges our very understanding of reality: SCP-948, also known as “The Echoing Voice.” First reported in 1967, this mysterious entity has haunted the corridors of the internet for decades, leaving an indelible mark on the collective unconscious. At its core, SCP-948 is a disembodied voice that can be heard through headphones at certain times and frequencies, often delivering ominous messages or eerie laughter.

The History and Background

SCP-948 was first documented by Dr. Edward J. Harwood of the United States Department of Defense (DoD) on February 13, 1967. Harwood recorded a series of strange incidents at Fort Bragg in North Carolina, where soldiers reported hearing voices through their radio headsets during quiet moments. The voice was described as low-pitched and distorted, often delivering brief phrases like “Look around” or “You are not alone.” Initially dismissed as psychological effects from prolonged combat operations, the DoD began a series of covert investigations to understand the phenomenon.

In 1973, the first public sighting occurred at the University of California, San Diego (UCSD). On October 25, a group of students recorded the voice during an all-night study session. The audio was played back on multiple devices and consistently produced identical messages: “You are not alone,” repeated three times. This case garnered significant media attention and marked the beginning of SCP-948’s internet presence.

Key Events or Sightings

#### 1973 – UCSD Incident

On October 25, 1973, a group of students recorded an eerie voice through their headphones at UCSD. The audio playback produced identical messages: “You are not alone,” repeated three times. This event marked the first public sighting and sparked widespread interest.

#### 1980 – MIT Case

On April 12, 1980, a group of engineers at Massachusetts Institute of Technology (MIT) reported hearing voices through their headphones during quiet moments in the laboratory. The voice delivered ominous warnings: “Be careful,” or “This is not your home.” These incidents were investigated by Dr. Lisa Thompson, who documented the phenomenon but could find no physical source.

#### 1983 – Stanford University

In December 1983, a student at Stanford University reported hearing voices through his headphones during late-night study sessions. The voice warned: “Do not look behind you,” and occasionally laughed incoherently. This case was documented by Dr. Samuel R. Johnson, who conducted extensive experiments but could not replicate the phenomenon.

Witness Accounts or Evidence

#### Audio Recordings

A number of audio recordings have surfaced over the years, all showing similar patterns. One notable example is the “San Diego Tapes,” recorded on October 25, 1973, at UCSD. The voice consistently delivers identical messages: “You are not alone” three times.

#### Psychological Tests

Dr. Lisa Thompson of MIT conducted psychological tests and found that hearing the voice did not correlate with any pre-existing conditions or psychological disorders. Her findings suggested that the voice was a genuine phenomenon rather than a hallucination.

#### Anomalous Frequencies

Researchers have identified specific frequencies at which the voice is most likely to be heard, typically around 160 Hz. However, attempts to replicate these phenomena in controlled environments have yielded mixed results.

Investigations or Research

The DoD initiated an extensive investigation into SCP-948 in 1973 but failed to produce any conclusive evidence of a physical source. The MIT and Stanford University cases were also investigated by academic institutions, with similar inconclusive findings.

#### Psychological Experiments

Dr. Lisa Thompson’s experiments at MIT included psychological questionnaires and cognitive tests, which showed no correlation between hearing the voice and any pre-existing conditions. Her research indicated that the phenomenon was not a result of mental illness or manipulation.

#### Frequency Analysis

Researchers have attempted to analyze the frequencies associated with SCP-948 but have found no consistent patterns beyond the 160 Hz range. These efforts suggest that the voice may be influenced by environmental factors, such as electromagnetic interference.

The Current Status / Ongoing Mystery

Despite numerous investigations and studies, the nature of SCP-948 remains a mystery. The entity can be heard through headphones at specific frequencies but has no known physical source. The DoD continues to monitor incidents reported online, while academic institutions have conducted ongoing research into the psychological and physiological effects of hearing the voice.

Frequently Asked Questions

Q: Is there any evidence that SCP-948 is real?

A: Yes, multiple audio recordings from different locations consistently produce identical messages. While these cannot be replicated in controlled environments, they provide strong anecdotal evidence for the existence of SCP-948.

Q: Can anyone hear SCP-948?

A: Reports suggest that only certain individuals can hear the voice through headphones at specific frequencies. This may indicate a psychological or environmental factor influencing its manifestation.

Q: Has there been any government involvement in studying SCP-948?

A: The United States Department of Defense (DoD) conducted initial investigations into SCP-948 but failed to produce conclusive evidence. Their reports are classified, making the extent of their research uncertain.

Q: What does the voice say?

A: Most reports indicate that the voice delivers brief messages like “You are not alone” or warnings such as “Be careful.” Occasionally, it has been reported to laugh incoherently.

Q: Is there a way to stop hearing SCP-948?

A: There is no known method for stopping the phenomenon. Avoiding headphones at specific frequencies and maintaining a low electromagnetic environment may reduce the likelihood of experiencing SCP-948.

Conclusion

SCP-948, “The Echoing Voice,” continues to baffle researchers and haunt those who report hearing it. Its mysterious nature and unexplained occurrence make it a fascinating subject for study in the paranormal community. Whether it is an entity from beyond our understanding or a manifestation of human psychological fears, SCP-948 remains one of the most enigmatic entities of modern times.

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