| 词条 | Siayan Island |
| 释义 |
| name = Siayan | native_name = Ditarem | etymology = | image_name = Ph locator Batanes siayan.png | image_size = | image_caption = | image_alt = | map = Philippines | map_alt = | map_width = | map_caption = Location within the northern extremity of the Philippines | map_relief = yes | label = | label_position = bottom | location = Luzon Strait | coordinates = {{coord|20|54|12|N|121|54|10|E|type:isle_region:PH|display=inline,title}} | archipelago = {{nowrap|Batanes Group of Islands}} | waterbody = | area_km2 = | area_footnotes = | Country_heading = | country = Philippines | country_admin_divisions_title = Region | country_admin_divisions = Cagayan Valley | country_admin_divisions_title_1 = Province | country_admin_divisions_1 = Batanes }}Siayan is one of the Batanes Islands. Also known as Ditarem Island in the native language,[1] the island is about 1/2 mile to 3/4 miles in diameter and lies about 5 miles (8 km) north-northeastward of Itbayat Island. The closest island is Mabudis Island which is about 1{{frac|1|2}} miles north-northeastward of Siayan. There are several detached rocks off Siayan's northeast side, rendering the channel between it and Mabudis unsafe for larger vessels.[2] Siayan has an elevation of 538 ft (164 m) and is listed as an inactive volcano[3] by the Philippine Institute of Volcanology and Seismology. See also
References1. ^University of Georgia, Yami culture of Taiwan, Retrieved on 2010-08-24 {{CagayanValley-geo-stub}}2. ^U.S. Coast and Geodetic Survey, Department of Commerce. United States Coast Pilot, Philippine Islands Part I, p. 39. Washington Government Printing Office, 1919. 3. ^PHILVOCS, List of Inactive Volcanoes in the Philippines. Retrieved on 2010-08-24. 1 : Islands of Batanes |
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