Tigalda is located about 19 miles (31 km) east of Akutan Island, is 12 miles (19 km) long and has an area of about 35 square miles (91 km2).
Tigalda is an Aleut name published by Captain Lutke (1836).
It was called "Kagalga" by Captain Lt. Krenitzin and Lt. Levashev (1768).
Father Veniaminov (1840) reported the existence of an Aleut village, which he called "Tigaldinskoe" (Aleut: Qagalĝa), of 91 people in 1833.
This article about a location in the Aleutians East Borough, Alaska is a stub.