Judge Weighs Seabed Mining Lease Sale in American Samoa
A federal judge has not yet ruled on a challenge to a November 19 seabed mining lease auction off American Samoa.
Updated on Nov. 6, 2026 in Law
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Judge Jill Otake took the American Samoa case under advisement after an October 30 hearing, and no ruling date has been set. The challenge, brought by Fa'asao Amerika Samoa and the Conservation Council for Hawai'i, argues federal review of protected species was inadequate.
Why it matters
The dispute tests whether federal agencies must evaluate the full downstream impacts of a seabed mining lease sale under the Endangered Species Act before the sale proceeds. The outcome could also shape a separate December 16 lease sale planned off the Northern Mariana Islands.
The National Marine Fisheries Service found that leasing is not likely to adversely affect protected species, while its Marianas review identified 14 species that could be affected. Whether that review adequately captured impacts that follow a sale remains disputed in court.
The players
Earthjustice
Earthjustice is a nonprofit environmental law organization that litigates environmental cases in federal and state courts.
Marine Minerals Administration
The Marine Minerals Administration is the federal agency that oversees offshore mineral leasing and plans the upcoming lease sales.
Lou Leon Guerrero
Lou Leon Guerrero is the governor of Guam who asked federal regulators to pause the Marianas lease sale.
The details
Earthjustice, representing the plaintiffs, argues the fisheries service review ignored impacts that follow a sale, primarily commercial mining. The Marine Minerals Administration says a winning bid authorizes only preliminary work such as mapping and sampling. Gov. Lou Leon Guerrero sent an October 20 letter asking the agency to pause the Marianas sale, and Guam Public Law 38-129 bans seabed mining in territorial waters.
Timeline
October 2: Earthjustice filed its summary judgment motion in the Marianas case.
October 20: Governor Lou Leon Guerrero asked the agency to pause the Marianas sale.
October 30: Judge Jill Otake heard the American Samoa case and took it under advisement.
November 19: The American Samoa seabed mining lease auction is scheduled.
December 16: The Marianas seabed mining lease sale is scheduled.
Legal Context
The case turns on how far the Endangered Species Act's consultation duty reaches when federal agencies authorize offshore leases that only later permit extraction. Its outcome could define how courts treat preliminary authorizations in deep-sea mineral development.
A ruling against the agency could pause offshore mineral leasing near American Samoa and the Northern Mariana Islands. Residents and fishing communities in the region could see changes to planned seabed activity and protections for local species.
The takeaway
Courts are being asked to decide whether preliminary offshore leasing approvals trigger full environmental review of later extraction. The answer will influence how future deep-sea mining projects are evaluated under federal law.
What happens next
The November 19 American Samoa auction and December 16 Marianas lease sale are the next scheduled milestones, and a ruling could affect whether either proceeds as planned.
Further reading
For related coverage, see the Law section.
Source note: This article includes information reported by Samoa News.
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