TOKYO (MarketWatch) — Crude-oil futures soared Monday after news the Trans-Alaska Pipeline network was shut down due to a leak.

Benchmark New York Mercantile Exchange futures for February light, sweet crude traded /quotes/comstock/21n!f:cl\g11 (CLG11 89.48, +1.45, +1.65%) at $89.42 a barrel, up $1.39 in Globex electronic trading Monday morning in East Asia.

The Trans-Alaska Pipeline remained shut Sunday local time, reducing output by 95%, after a leak was discovered at a pumping station. Read more on Alaska pipeline shutdown.

Reports late Sunday said authorities had yet to indicate when the pipeline would reopen.