Archive · 11 Sep 2026
Israel Reports Hezbollah Tunnel Blast as Lebanon Records 4.1 Tremor
A very large explosion happened at a ridge in southern Lebanon.
Israel said it was destroying tunnels used by Hezbollah.
The tunnels were more than two kilometres long.
Israel said they contained weapons, explosives, a command centre and places where fighters could live.
Reports said about 1,100 tonnes of explosives were used.
People in nearby areas heard loud blasts and felt the ground shake.
A tremor measuring 4.1 was recorded near the site.
Some reports called it an artificial tremor caused by the explosion.
However, there was no immediate official confirmation that the blast caused the recorded tremor.
A 4.1-magnitude tremor was recorded in southern Lebanon after a powerful blast at the Ali al-Taher ridge.
Israel said it destroyed a Hezbollah underground network stretching more than two kilometres beneath the ridge.
The reported complex included weapons, explosives, a Badr unit command centre, storage areas and living quarters.
Israeli reports said about 1,100 tonnes of explosives were used, while local reports described shaking and a rumble across the region.
Some reports attributed the tremor to the demolition, but there was no immediate official confirmation that the blast caused it.
- Who
- Israel, including Prime Minister Benjamin Netanyahu and Defence Minister Israel Katz, said its military destroyed Hezbollah infrastructure; the United States Geological Survey recorded the tremor.
- What
- A major blast accompanied Israel’s reported demolition of a Hezbollah tunnel network, while a 4.1-magnitude tremor was recorded nearby.
- When
- Thursday; the report was dated September 11, 2026.
- Where
- The Ali al-Taher ridge in southern Lebanon, near Nabatieh; shaking was reportedly felt across the surrounding region.
- Why
- Israel said it targeted strategic Hezbollah infrastructure and completed operational control of the ridge above and below ground.
Israeli and local-reporting account
Cautious seismic assessment
Cause of the tremor
Israeli and local-reporting account
Israeli and some local reports linked the recorded shaking to the massive demolition blast and described it as an artificial tremor.
Cautious seismic assessment
The United States Geological Survey recorded the tremor, but the available reporting said there was no immediate official confirmation that the Israeli explosion caused it.
Importance of the target
Israeli and local-reporting account
Benjamin Netanyahu and Israel Katz said the operation destroyed strategic Hezbollah infrastructure and completed Israeli operational control of the Ali al-Taher ridge.
Cautious seismic assessment
The tunnel network’s strategic importance and the operation’s effect were presented primarily through Israeli statements, without an independent assessment in the reports.
Effect on civilians
Israeli and local-reporting account
Israel said the operation targeted infrastructure used for cross-border attacks and security purposes.
Cautious seismic assessment
Reports described panic, loud detonations and ground shaking among civilians in nearby areas already affected by regional hostilities.
- Tremor magnitude
- 4.1
- Site
- Ali al-Taher ridge, southern Lebanon
- Tunnel length
- More than two kilometres
- Reported explosives
- Approximately 1,100 tonnes
- Reported facilities
- Weapons storage, launching areas, a Badr unit command centre and living quarters
- Reported contents
- Rockets, missiles, drones, anti-tank missiles, machine guns, mines and other explosives
- Causation status
- Some reports attributed the tremor to the blast, but immediate official confirmation was not provided
