Information remains limited, how-ever, on its nesting habits, behavior, habitat associations, and population numbers, and relatively little is known about its demography.

The distribution and numbers of this species have declined primarily because logging and coastal development have removed significant portions of its essential nesting habitat. Endangered and threatened wildlife and plants; determination of threatened status for the Washington, Oregon and California population of the Marbled Murrelet.

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A rapidly receding or receded shoreline, unusual waves and sounds, and strong currents are signs of a tsunami.

The tsunami may appear as water moving rapidly out to sea, a gentle rising tide like flood with no breaking wave, as a series of breaking waves, or a frothy wall of water.

The Marbled Murrelet is unique among members of the alcid family in its nesting habits.

This small seabird nests in trees in coastal, older forests throughout most of its range in North America and Asia. After more than a century of unsuccessful attempts by early ornithologists to locate its nest, a $100 reward was offered for solving one of the last great ornithological mysteries in North America (), Marbled Murrelets fly at high speeds, attend their breeding sites during periods of low light, and nest solitarily.

The first wave may not be the largest.’ BRITISH COLUMBIA, The Juan de Fuca Strait coast, the outer west coast of Vancouver Island, the central coast and northeast Vancouver Island, and the north coast and Haida Gwaii SOUTHEAST ALASKA, The inner and outer coast from The BC/Alaska Border to Cape Fairweather, Alaska (80 miles SE of Yakutat) SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from Cape Fairweather, Alaska (80 miles SE of Yakutat) to Unimak Pass, Alaska (80 miles NE of Unalaska) ALEUTIAN ISLANDS, Unimak Pass, Alaska (80 miles NE of Unalaska) to Attu, Alaska including the Pribilof Islands CALIFORNIA, The coast from The Cal./Mexico Border to The Oregon/Cal. Hope no one got hurt.’ Gordy Armstrong added: ‘You grow accustomed to riding out the occasional earthquakes living up here in Anchorage…that one was different. Hope the people down south are alright.’ A tsunami with damaging waves and powerful currents is possible.

Border including San Francisco Bay OREGON, The coast from The Oregon/Cal. Border including the Columbia River estuary coast WASHINGTON, Outer coast from the Oregon/Washington border to Slip Point, Columbia River estuary coast, and the Juan de Fuca Strait coast People are being alerted to the danger by text messages. Repeated coastal flooding is possible as waves arrive onshore, move inland, and drain back into the ocean.

These behaviors, combined with the challenges of capturing them at sea, have made this species difficult to study.

Only in the last decade have some of its secrets been revealed; today more than 160 of its nests are known.

The epicentre was west of Attu, the westernmost and largest island in the Near Islands group of Alaska's remote Aleutian Islands.

The earthquake was very shallow, only 6 miles (10 km) below the seabed, which would have amplified its effect, but it was far from any mainland and there were no immediate reports of any casualties or damage.

It was followed by numerous aftershocks, including several above magnitude 5.0.