A magnitude 7.1 earthquake struck Japan's Kumamoto prefecture on July 28, causing significant concern. Shortly after the disaster, a conspiracy theory began circulating on social media platforms, alleging that the seismic event was not a natural occurrence but a man-made explosion. One specific social media post, authored by an individual with a history of spreading misinformation, claimed the seismic waves were characteristic of an explosion rather than a tectonic shift. This post gained significant traction, accumulating approximately 3 million views by the following Wednesday.

Scientific experts have addressed these claims, stating that the theory is entirely unrealistic. According to these experts, the technological, financial, and logistical requirements to artificially trigger an earthquake of this magnitude are beyond current human capability. The consensus among the scientific community remains that the event was a natural geological occurrence. While the theory has gained viral attention online, there is no evidence to support the assertion that the earthquake was engineered or induced by human activity.