Echoes of the Land: An Interactive Installation Based on Physical Model of Earthquake

TL;DR

Echoes of the Land addresses how to convey self-organized critical seismic dynamics through an embodied, multisensory installation. A Burridge-Knopoff–inspired spring-block system drives stick-slip cascades whose event sizes follow $N(A) \sim A^{-b}$ with $b \in [0.8,1.2]$, and these dynamics are mapped in real time to sound and light via infrared motion capture and concatenative granular synthesis across a 2D descriptor space ($x$-centroid, $y$-periodicity). Sound is produced from a grain-sampled iceberg-breaking texture, while visuals include rapid image montages within an immersive projection space to depict anthropogenic seismicity, creating a tangible interface to emergent complexity. The work situates itself at the intersection of agent-based art and rigorous physical modeling, delivering a modular platform that potentially serves as a fractal musical instrument and a narrative medium for complex systems and environmental issues, with broader implications for live performance and media art. The combination of SOC physics, real-time audiovisual mapping, and narrative visuals advances both artistic practice and science communication by making threshold-driven, scale-invariant dynamics accessible through embodied interaction.

Abstract

Echoes of the Land is an interactive installation that transforms seismic dynamics into a multisensory experience through a scientifically grounded spring-block model. Simulating earthquake recurrence and self-organized criticality, the work generates real-time sound and light via motion capture and concatenative granular synthesis. Each block acts as an agent, producing emergent audiovisual cascades that visualize the physics of rupture and threshold behavior. This work exemplifies the amalgamation of scientific knowledge and artistic practice, opening new avenues for novel forms of musical instrument and narrative medium, while inviting further investigation into the intersection of emergent complexity, aesthetics and interactivity.

Figures (8)

• Figure 1: Upper: Close-up image of Echoes of the Land showing the spring-block system; Lower: Spatial setup of the artwork including the immersive projection walls. (© Ivan Liu)
• Figure 2: Left: The two-dimensional spring-block model for simulating the earthquake recurrence proposed by Brown et al. brown1991simplified Right: The illustration of the adapted 5×5 spring-block system. The dots at the corners indicate the locations of caster wheels. The enclosing frame provides an interface for interaction with the earthquake system.
• Figure 3: Shows an audience interacting with the installation by moving the frame of the spring-block ensemble, generating light cascades. (© Ivan Liu)
• Figure 4: A flowchart showing how the system respond to the human interaction.
• Figure 5: Schematic diagrams of the spatial setup in different views from 45 degree (left) and top view (right).