Claim: The magnitude 7.4 earthquake that struck near Chiapas, Mexico on July 18, 2026 was deliberately triggered by the US HAARP facility as a geophysical weapon.

First requested: July 18, 2026 at 9:05 AM
11%

IsItCap Score

Truth Potential Meter

Not Credible

AI consensusWeak

Grader consensus is weak.
Range 0%–50% (spread Δ50).
The graders diverge. Treat the combined score as uncertain and read the sources carefully.
Read analysis summary

OpenAI Grade

0%
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80%
10%

Perplexity Grade

0%
20%
40%
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80%
0%

Google Gemini Grade

0%
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50%
Shareable summary
Verdict: Questionable
  • Experts confirm HAARP cannot cause earthquakes as its signals only interact with the ionosphere, not the crust…
  • HAARP's energy output (3.6 MW) is billions of times smaller than the energy required to trigger a magnitude 7.…
/r/fact-check-haarp-trigger-chapas-earthquake

Analysis Summary

The claim that the 7.4 magnitude earthquake near Chiapas was deliberately triggered by HAARP is false. Experts and scientific sources consistently affirm that HAARP cannot cause earthquakes or amplify natural disasters. The claim is often circulated in conspiracy theories but lacks credible evidence. While some social media posts suggest a connection, they do not provide verified facts to support this assertion. Overall, the scientific consensus strongly contradicts the idea that HAARP has any capability to trigger seismic events. The models diverge sharply — treat this as higher-uncertainty. Gemini comes in highest (50%), while Perplexity is lowest (0%). OpenAI expresses higher confidence than Gemini on this claim. Opposing sources, such as social media posts, suggest that HAARP is involved in causing earthquakes, presenting these claims as accusations rather than verified facts. However, these assertions do not change the overall verdict, as they lack scientific backing and are not supported by credible evidence. The overwhelming consensus among experts is that HAARP's technology cannot influence geological events, which reinforces the claim's falsehood despite the presence of conspiracy theories in public discourse.
Jump to source analysis

Source quality

Truth (from sources)1.00 / 10
Source reliability9.00 / 10
Source independence8.00 / 10

Claim checks

Fits established facts10.00 / 10
Logical consistency10.00 / 10
Expert consensus10.00 / 10
Related fact checks

Source Analysis

Common arguments
Supporting the claim
  • Social media posts accuse HAARP of causing earthquakes after natural disasters like the Venezuela quake.
  • Some conspiracy theorists claim HAARP's radio waves can manipulate the Earth's crust to trigger seismic events.
  • The timing of the Chiapas earthquake coincides with HAARP activity, leading to speculation of a deliberate link.
Against the claim
  • Experts confirm HAARP cannot cause earthquakes as its signals only interact with the ionosphere, not the crust.
  • HAARP's energy output (3.6 MW) is billions of times smaller than the energy required to trigger a magnitude 7.4 quake.
  • Fact-checkers and scientists state there is no scientific evidence linking HAARP to any seismic activity or natural disasters.

Mainstream Sources

Publication

AFP Fact Check

Title

HAARP conspiracy theory falsely tied to deadly Venezuela earthquakes

Summary

Experts confirm no laser force could trigger earthquakes of such magnitude and HAARP cannot generate or amplify weather events or initiate earthquakes.

Source details

Type: Major Media
Secondary Reporting

URL

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Publication

Euronews

Title

Can HAARP trigger earthquakes? The truth behind the hoax that returns after every natural disaster

Summary

Scientists and fact-checkers state there is no scientific evidence HAARP can cause earthquakes, as its signals cannot affect the Earth's crust.

Source details

Type: Major Media
Secondary Reporting

URL

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Publication

Full Fact

Title

Twin Venezuelan earthquakes not caused by HAARP

Summary

Experts confirm HAARP's equipment cannot create or amplify natural disasters, and the claim is rated false.

Source details

Type: Blog
Secondary Reporting

URL

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Alternative Sources

Publication

Forbes

Title

HAARP Accused (Again) Of Causing Extreme Weather And Earthquakes

Summary

Social media posts accuse HAARP of causing devastating earthquakes in Venezuela, though this is presented as an accusation rather than verified fact.

Source details

Type: Major Media
Secondary Reporting

URL

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Analysis Breakdown

True/False Spectrum (1.0)Source Credibility (9.0)Bias Assessment (8.0)Contextual Integrity (10.0)Content Coherence (10.0)Expert Consensus (10.0)80%

How to read the breakdown

Weakest areas
Truth1.0/10Independence8.0/10
  • Truth: how well sources support the core claim.
  • Source reliability: whether the sources have a strong track record.
  • Independence: whether coverage looks one-sided or recycled.
  • Context: missing details (timeframe, definitions, scope) that change meaning.
  • Tip: if graders disagree, rely more on the summary + sources than the single number.

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Methodology