| 词条 | Grímsnes |
| 释义 |
| name = Grímsnes | photo = Iceland2009-BradWeber-Kerid.jpg | photo_caption = One of many volcanic craters within the volcanic system. | elevation = {{convert|214|m|ft}} | coordinates = {{coord|64|2|N|20|52|W|type:mountain}} | type = Crater rows | last_eruption = 3500 BCE }} Grímsnes is a fissure or crater row volcano located in southwestern Iceland, a relatively small volcanic system located SE of Thingvallavatn lake east of an en echelon group of volcanic fields extending across the Reykjanes Peninsula. The elevation at its apex is 214 meters. Tephrochronology approximates the volcano's last eruption as 3500 BC. The individual volcanoes in the area include Kerið, a lake-filled volcanic crater. The Grímsneshraun lava-fields in the area cover a total of {{convert|54|km2|sqmi|abbr=on}}. The largest of these plains is the Seyðishólar-Kerhólahraun field which covers {{convert|23.5|km2|sqmi|abbr=on}}. Other sizeable plains include the Tjarnarhólahraun field at {{convert|11.9|km2|sqmi|abbr=on}}, the Kálfshólahraun field at {{convert|8.0|km2|sqmi|abbr=on}} and the Álftarhólshraun {{convert|6.2|km2|sqmi|abbr=on}}. The total volume of lava produced in the lava flows of Grímsnes has been estimated at {{convert|1.2|km3}} See also
External links
4 : Volcanoes of Iceland|Fissure vents|Dormant volcanoes|Iceland West Volcanic Zone |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。