Disaster Zone: Volcano in New York

Unsettling tremors ripple through New York City. Lava begins seeping into the aqueduct system, and residents start to sense that something terrifying is at work beneath the streets. The undercity threat is made real as the surface trembles with every explosion.

A group of tramps seeking warmth in Central Park dies from carbon dioxide and sulfur dioxide poisoning released by a heat vent. The tragedy underscores the scale of the subterranean disaster. Sightings of the heat vents confirm the city is connected to something far more dangerous than a simple accident.

A harbor boat is blown apart by a vent explosion, sending flames and debris into the water. The incident demonstrates how far the subterranean event has spread beyond the streets. Authorities begin to suspect a catastrophic mechanism is at work beneath the city.

The FBI Terror Task Force is activated to pursue the suspected terrorists responsible for the killings and the blast. Investigators race to link these acts to the escalating underground crisis. Public fear rises as the investigation intensifies.

Matt, head of the Sandhogs, is pulled off the job after several of his men suffer serious injuries. An internal investigation follows, casting doubt on what is really happening beneath the streets. The disruption foreshadows the looming danger.

Pipes that should carry water are instead filled with steaming acid, confirming a breakdown of the city's subterranean infrastructure. The underground experiments beneath the city appear to be triggering uncontrolled reactions. Public safety officials scramble to understand what is happening.

Matt meets his former wife Susan Foxley, who interviews him about the events. She begins to suspect something profound is wrong in tunnel number three. Their reunion deepens the mystery and sets up a personal stake in the unfolding disaster.

Together they venture into sealed-off sections of the subterranean network. Susan witnesses enough to understand Matt's warnings about the underground danger. The couple realizes the stakes are not just about infrastructure but lives.

Andrew Levering advances a geothermal energy project that digs seven miles into the earth from a secret downtown warehouse. His financiers push for quick, tangible results to prove viability. When early attempts fail, pressure mounts and safety margins collapse.

Financiers, led by Neil Kavanagh, push for rapid progress or threaten to pull funding. Andrew doubles down on risky operations in hopes of delivering instant proof. The city braces for a potential disaster as the project spirals out of control.

Back on the surface, a homeowner is buried alive inside his house by a torrent of molten lava, and an entire city block vanishes as flames swallow homes. The catastrophe expands beyond the underground and into everyday life, accelerating evacuation urgency. Authorities realize the worst may be imminent.

Mayor and authorities finally order a city-wide evacuation as the scale becomes undeniable. Matt devises a plan to redirect lava by detonating charges to channel it into aqueduct tunnels and out to the sea. The race against time begins as the team prepares to execute the plan.

In the claustrophobic tunnels, Matt and Susan confront the danger while placing charges that could save the city. Andrew closes in, shoots Matt, and a misdirected shot destabilizes a wall, releasing a steam surge that blinds him briefly. The pair escapes the collapsing tunnels as the eruption reshapes the city’s fate.

Andrew is killed in the final lava surge, and the planned diversion succeeds, guiding lava out to sea. The city is saved, though scarred by the disaster, with a slow healing process beginning. Matt and Susan survive, having averted an outright catastrophe.