China Explores Lava Tubes as Potential Lunar Base Sites
Chinese researchers have developed seismic imaging technology that can map subsurface lava tubes on the Moon, identifying potential locations for future research bases. The technique uses seismic waves to "see" underground structures.

China's space program is considering large subsurface lava tubes as potential sites for future lunar research bases. These extensive underground formations, created during the Moon's early geological activity, could offer protection from the harsh surface conditions, including intense radiation and extreme temperature fluctuations.
To develop the technology for lunar exploration, researchers have experimented with a similar method in underground volcanic lava tubes on Hainan. They employed a controlled seismic source vehicle and a network of seismographs to generate artificial seismic waves. By analyzing these waves, they were able to "X-ray" the subsurface lava tube structure, akin to a CT scan.
In the future, researchers propose using vibrations generated by lunar operations, such as landings and takeoffs, to probe the lava tube structures. This approach would reduce the need for separate seismic equipment and enable more efficient exploration of the Moon's subsurface.
As this technology matures, it can assist in mapping the distribution of subsurface lava tubes on the Moon in detail. This information will provide important support for the planning and construction of future research bases, intended for studying the lunar environment and potentially utilizing resources.