
火山 斯珀火山
距安克雷奇最近的活火山之一,位于其以西约125公里。1992年的喷发让城市蒙上火山灰,机场关闭。2024年开始新一轮活动异常,地震数量、气体排放和地面抬升都在增加;2025年科学家警告喷发的可能性很大。
最近喷发
1992
20 世纪喷发
峰顶海拔
3.4 km
复合成层火山 · 安山岩 / 玄武安山岩
活动程度
正常基线
1次地震(正常频率的0.7倍)
互动火山与地震活动地图
50公里半径内的地震活动、VAAC活跃火山灰羽流以及构造板块边界。
50 公里内近期地震活动
过去 12 小时内,火山口 25 km 范围内发生 1 次地震。是该火山平常频率的 0.7 倍。
| 时间 | 震级 | 震中 / 地点 | 距离 |
|---|---|---|---|
| 6m 前 | M0.9 | 75 km SW of Skwentna, Alaska | 27 km |
| 11h 前 | M0.5 | 72 km WNW of Beluga, Alaska | 11 km |
| 12h 前 | M2.5 | 44 km WNW of Beluga, Alaska | 21 km |
| 1d 前 | M0.5 | 70 km WNW of Tyonek, Alaska | 6.4 km |
| 1d 前 | M2.2 | 62 km W of Tyonek, Alaska | 30 km |
| 1d 前 | M0.6 | 66 km WNW of Beluga, Alaska | 3.8 km |
| 1d 前 | M0.5 | 57 km WNW of Beluga, Alaska | 10 km |
| 1d 前 | M1.7 | 17 km WNW of Tyonek, Alaska | 48 km |
| 1d 前 | M0.9 | 70 km WNW of Tyonek, Alaska | 5.3 km |
| 2d 前 | M0.4 | 74 km WNW of Beluga, Alaska | 18 km |
| 2d 前 | M0.4 | 69 km WNW of Tyonek, Alaska | 8.7 km |
| 2d 前 | M1.7 | 52 km WNW of Beluga, Alaska | 13 km |
| 2d 前 | M1.8 | 37 km NW of Beluga, Alaska | 38 km |
| 3d 前 | M1.0 | 65 km WNW of Tyonek, Alaska | 11 km |
| 3d 前 | M1.9 | 52 km SSW of Skwentna, Alaska | 38 km |
| 3d 前 | M2.0 | 52 km SSW of Skwentna, Alaska | 37 km |
| 4d 前 | M0.4 | 68 km WNW of Beluga, Alaska | 8.9 km |
| 4d 前 | M0.4 | 63 km WNW of Beluga, Alaska | 7.0 km |
| 4d 前 | M0.5 | 68 km WNW of Beluga, Alaska | 11 km |
| 4d 前 | M0.3 | 58 km WNW of Tyonek, Alaska | 7.1 km |
| 4d 前 | M1.4 | 39 km NW of Beluga, Alaska | 37 km |
| 5d 前 | M1.5 | 57 km SSW of Skwentna, Alaska | 32 km |
| 5d 前 | M1.1 | 69 km WNW of Beluga, Alaska | 9.3 km |
| 5d 前 | M1.2 | 52 km SSW of Skwentna, Alaska | 37 km |
| 6d 前 | M1.1 | 59 km WNW of Beluga, Alaska | 5.8 km |
| 6d 前 | M0.6 | 61 km WNW of Beluga, Alaska | 9.3 km |
| 6d 前 | M0.6 | 58 km WNW of Beluga, Alaska | 6.7 km |
| 6d 前 | M1.0 | 46 km SW of Skwentna, Alaska | 44 km |
| 6d 前 | M0.5 | 66 km WNW of Beluga, Alaska | 5.6 km |
| 6d 前 | M0.9 | 32 km NNW of Beluga, Alaska | 47 km |
| 6d 前 | M1.0 | 46 km NW of Beluga, Alaska | 31 km |
| 6d 前 | M0.4 | 65 km WNW of Beluga, Alaska | 6.0 km |
| 7d 前 | M-0.7 | 69 km WNW of Tyonek, Alaska | 4.6 km |
| 7d 前 | M0.8 | 52 km SSW of Skwentna, Alaska | 37 km |
| 7d 前 | M-0.3 | 65 km W of Tyonek, Alaska | 16 km |
| 7d 前 | M0.6 | 65 km SW of Skwentna, Alaska | 26 km |
| 7d 前 | M1.0 | 57 km SSW of Skwentna, Alaska | 32 km |
| 7d 前 | M1.3 | 53 km SSW of Skwentna, Alaska | 36 km |
| 8d 前 | M0.7 | 57 km SSW of Skwentna, Alaska | 33 km |
| 8d 前 | M0.5 | 56 km SSW of Skwentna, Alaska | 33 km |
| 8d 前 | M0.5 | 56 km SSW of Skwentna, Alaska | 33 km |
| 8d 前 | M0.3 | 55 km SSW of Skwentna, Alaska | 34 km |
| 8d 前 | M0.1 | 56 km SSW of Skwentna, Alaska | 33 km |
| 8d 前 | M0.8 | 56 km SSW of Skwentna, Alaska | 33 km |
| 8d 前 | M1.1 | 55 km SSW of Skwentna, Alaska | 35 km |
| 8d 前 | M0.2 | 56 km SSW of Skwentna, Alaska | 34 km |
| 8d 前 | M1.8 | 44 km W of Tyonek, Alaska | 32 km |
| 8d 前 | M0.9 | 54 km SSW of Skwentna, Alaska | 35 km |
| 8d 前 | M-0.1 | 56 km SSW of Skwentna, Alaska | 34 km |
| 8d 前 | M0.6 | 56 km SSW of Skwentna, Alaska | 33 km |
| 8d 前 | M2.0 | 37 km NNW of Beluga, Alaska | 48 km |
| 8d 前 | M0.7 | 69 km WNW of Tyonek, Alaska | 5.2 km |
| 8d 前 | M2.0 | 28 km NW of Beluga, Alaska | 42 km |
| 9d 前 | M-0.4 | 60 km W of Tyonek, Alaska | 15 km |
| 9d 前 | M0.3 | 66 km WNW of Beluga, Alaska | 2.6 km |
| 9d 前 | M2.1 | 46 km WNW of Tyonek, Alaska | 19 km |
| 10d 前 | M2.1 | 65 km WNW of Beluga, Alaska | 17 km |
| 10d 前 | M-0.6 | 58 km WNW of Beluga, Alaska | 9.2 km |
| 10d 前 | M0.5 | 71 km WNW of Beluga, Alaska | 12 km |
| 10d 前 | M1.4 | 66 km WNW of Beluga, Alaska | 11 km |
| 11d 前 | M0.5 | 65 km WNW of Beluga, Alaska | 4.1 km |
| 11d 前 | M0.6 | 59 km WNW of Beluga, Alaska | 6.0 km |
| 11d 前 | M0.7 | 66 km WNW of Tyonek, Alaska | 11 km |
| 12d 前 | M0.7 | 55 km WNW of Tyonek, Alaska | 11 km |
| 13d 前 | M0.5 | 70 km WNW of Tyonek, Alaska | 5.7 km |
| 13d 前 | M-0.2 | 80 km WNW of Tyonek, Alaska | 15 km |
| 13d 前 | M0.9 | 72 km WNW of Beluga, Alaska | 15 km |
| 13d 前 | M0.5 | 91 km W of Tyonek, Alaska | 34 km |
| 13d 前 | M1.9 | 61 km W of Tyonek, Alaska | 24 km |
| 14d 前 | M0.4 | 59 km WNW of Beluga, Alaska | 16 km |
| 15d 前 | M0.0 | 63 km W of Tyonek, Alaska | 19 km |
| 15d 前 | M0.2 | 60 km WNW of Beluga, Alaska | 17 km |
| 15d 前 | M-0.0 | 59 km WNW of Beluga, Alaska | 17 km |
| 15d 前 | M0.1 | 62 km WNW of Beluga, Alaska | 16 km |
| 16d 前 | M2.0 | 28 km NW of Beluga, Alaska | 42 km |
| 17d 前 | M0.6 | 67 km WNW of Tyonek, Alaska | 8.3 km |
| 17d 前 | M-0.7 | 59 km WNW of Beluga, Alaska | 8.7 km |
| 17d 前 | M0.0 | 58 km WNW of Beluga, Alaska | 17 km |
| 17d 前 | M0.1 | 69 km WNW of Tyonek, Alaska | 11 km |
| 17d 前 | M0.8 | 78 km WNW of Tyonek, Alaska | 14 km |
| 17d 前 | M1.0 | 40 km WSW of Tyonek, Alaska | 39 km |
| 17d 前 | M-0.3 | 69 km WNW of Beluga, Alaska | 4.9 km |
| 17d 前 | M0.4 | 67 km WNW of Beluga, Alaska | 4.0 km |
| 18d 前 | M-0.7 | 69 km WNW of Tyonek, Alaska | 5.0 km |
| 18d 前 | M0.8 | 70 km WNW of Tyonek, Alaska | 6.3 km |
| 18d 前 | M0.7 | 70 km WNW of Tyonek, Alaska | 5.5 km |
| 18d 前 | M0.7 | 73 km WNW of Beluga, Alaska | 9.1 km |
| 18d 前 | M1.7 | 65 km W of Tyonek, Alaska | 29 km |
| 19d 前 | M1.5 | 30 km W of Tyonek, Alaska | 40 km |
| 19d 前 | M1.4 | 41 km WNW of Tyonek, Alaska | 25 km |
| 19d 前 | M1.8 | 21 km WNW of Beluga, Alaska | 44 km |
| 20d 前 | M1.5 | 61 km W of Tyonek, Alaska | 30 km |
| 20d 前 | M-0.3 | 84 km W of Tyonek, Alaska | 25 km |
| 20d 前 | M-0.6 | 57 km WNW of Tyonek, Alaska | 8.2 km |
| 21d 前 | M1.1 | 65 km WNW of Beluga, Alaska | 3.4 km |
| 21d 前 | M1.3 | 43 km WNW of Tyonek, Alaska | 22 km |
| 21d 前 | M-0.6 | 57 km WNW of Beluga, Alaska | 8.8 km |
| 21d 前 | M1.3 | 59 km W of Tyonek, Alaska | 15 km |
| 22d 前 | M0.5 | 67 km WNW of Tyonek, Alaska | 4.5 km |
| 22d 前 | M1.1 | 39 km NW of Beluga, Alaska | 41 km |
| 22d 前 | M-0.3 | 65 km W of Tyonek, Alaska | 31 km |
| 22d 前 | M0.0 | 90 km W of Tyonek, Alaska | 33 km |
| 22d 前 | M0.6 | 63 km NW of Beluga, Alaska | 25 km |
| 23d 前 | M-0.8 | 68 km WNW of Tyonek, Alaska | 3.9 km |
| 23d 前 | M1.0 | 72 km WNW of Tyonek, Alaska | 13 km |
| 23d 前 | M0.4 | 58 km WNW of Tyonek, Alaska | 7.7 km |
| 23d 前 | M1.8 | 44 km SSW of Skwentna, Alaska | 48 km |
| 23d 前 | M-0.6 | 57 km WNW of Beluga, Alaska | 8.5 km |
| 23d 前 | M2.2 | 49 km SSW of Skwentna, Alaska | 45 km |
| 24d 前 | M-0.5 | 61 km W of Tyonek, Alaska | 14 km |
| 24d 前 | M-0.6 | 63 km WNW of Tyonek, Alaska | 12 km |
| 24d 前 | M0.6 | 49 km WNW of Tyonek, Alaska | 19 km |
| 24d 前 | M2.3 | 47 km WNW of Beluga, Alaska | 23 km |
| 24d 前 | M-0.0 | 56 km WNW of Tyonek, Alaska | 9.7 km |
| 24d 前 | M1.1 | 32 km WNW of Tyonek, Alaska | 33 km |
| 25d 前 | M-0.1 | 57 km W of Tyonek, Alaska | 24 km |
| 25d 前 | M1.8 | 38 km WSW of Tyonek, Alaska | 41 km |
| 25d 前 | M1.8 | 64 km WNW of Tyonek, Alaska | 1.5 km |
| 26d 前 | M0.7 | 64 km WNW of Beluga, Alaska | 2.5 km |
| 26d 前 | M0.8 | 72 km WNW of Beluga, Alaska | 14 km |
| 26d 前 | M0.6 | 66 km WNW of Beluga, Alaska | 2.5 km |
| 28d 前 | M-0.4 | 58 km WNW of Beluga, Alaska | 8.9 km |
| 28d 前 | M1.1 | 42 km SW of Skwentna, Alaska | 47 km |
| 29d 前 | M0.8 | 60 km W of Tyonek, Alaska | 29 km |
| 29d 前 | M-0.2 | 64 km W of Tyonek, Alaska | 18 km |
| 29d 前 | M-0.1 | 41 km WNW of Beluga, Alaska | 23 km |
| 29d 前 | M0.9 | 63 km WNW of Nikiski, Alaska | 37 km |
| 29d 前 | M-0.5 | 70 km WNW of Tyonek, Alaska | 5.4 km |
| 29d 前 | M-0.8 | 68 km WNW of Tyonek, Alaska | 5.2 km |
| 30d 前 | M0.4 | 69 km WNW of Tyonek, Alaska | 5.2 km |
| 30d 前 | M-0.7 | 69 km WNW of Tyonek, Alaska | 5.2 km |
| 30d 前 | M1.8 | 65 km SW of Skwentna, Alaska | 32 km |
| 31d 前 | M-0.4 | 70 km WNW of Tyonek, Alaska | 5.4 km |
| 31d 前 | M-0.6 | 70 km WNW of Tyonek, Alaska | 5.6 km |
| 31d 前 | M0.1 | 66 km WNW of Beluga, Alaska | 3.6 km |
| 32d 前 | M-0.1 | 58 km WNW of Beluga, Alaska | 14 km |
| 32d 前 | M-0.4 | 64 km WNW of Beluga, Alaska | 2.2 km |
| 32d 前 | M-0.4 | 69 km WNW of Tyonek, Alaska | 5.6 km |
| 32d 前 | M0.1 | 60 km WNW of Tyonek, Alaska | 5.4 km |
| 32d 前 | M1.9 | 45 km WSW of Tyonek, Alaska | 43 km |
| 33d 前 | M2.0 | 19 km WNW of Beluga, Alaska | 46 km |
| 33d 前 | M2.4 | 56 km WNW of Nikiski, Alaska | 49 km |
| 34d 前 | M-0.3 | 60 km W of Tyonek, Alaska | 14 km |
| 35d 前 | M1.9 | 61 km WNW of Nikiski, Alaska | 40 km |
| 35d 前 | M1.4 | 24 km NW of Beluga, Alaska | 46 km |
| 35d 前 | M1.4 | 50 km NNW of Beluga, Alaska | 43 km |
| 35d 前 | M0.5 | 83 km SW of Skwentna, Alaska | 22 km |
| 35d 前 | M0.5 | 49 km SSW of Skwentna, Alaska | 42 km |
| 35d 前 | M0.5 | 54 km W of Tyonek, Alaska | 18 km |
| 35d 前 | M1.2 | 57 km SSW of Skwentna, Alaska | 32 km |
| 35d 前 | M0.3 | 61 km WNW of Tyonek, Alaska | 13 km |
| 37d 前 | M0.5 | 53 km SW of Skwentna, Alaska | 36 km |
| 37d 前 | M1.2 | 35 km WNW of Beluga, Alaska | 29 km |
| 37d 前 | M-0.5 | 58 km WNW of Beluga, Alaska | 9.3 km |
| 37d 前 | M-0.6 | 56 km WNW of Beluga, Alaska | 9.9 km |
| 38d 前 | M1.1 | 30 km WNW of Tyonek, Alaska | 34 km |
| 38d 前 | M2.6 | 40 km SSW of Skwentna, Alaska | 50 km |
| 38d 前 | M0.5 | 56 km SSW of Skwentna, Alaska | 33 km |
| 38d 前 | M1.4 | 53 km WNW of Tyonek, Alaska | 17 km |
| 38d 前 | M1.4 | 32 km WNW of Beluga, Alaska | 32 km |
| 38d 前 | M1.6 | 30 km NW of Beluga, Alaska | 41 km |
| 38d 前 | M-0.3 | 58 km WNW of Beluga, Alaska | 9.7 km |
| 38d 前 | M-0.4 | 65 km WNW of Beluga, Alaska | 4.3 km |
| 38d 前 | M0.6 | 64 km W of Tyonek, Alaska | 19 km |
| 39d 前 | M-0.2 | 64 km WNW of Beluga, Alaska | 6.4 km |
| 39d 前 | M-0.4 | 57 km WNW of Beluga, Alaska | 9.4 km |
| 39d 前 | M-0.4 | 68 km WNW of Tyonek, Alaska | 4.2 km |
| 39d 前 | M-0.4 | 67 km WNW of Beluga, Alaska | 4.6 km |
| 39d 前 | M2.1 | 63 km WNW of Nikiski, Alaska | 40 km |
| 39d 前 | M-0.6 | 53 km WNW of Tyonek, Alaska | 12 km |
| 39d 前 | M0.1 | 72 km WNW of Beluga, Alaska | 7.9 km |
| 40d 前 | M-0.5 | 59 km W of Tyonek, Alaska | 15 km |
| 40d 前 | M0.8 | 66 km WNW of Tyonek, Alaska | 1.8 km |
| 40d 前 | M0.6 | 67 km WNW of Beluga, Alaska | 3.5 km |
| 40d 前 | M0.3 | 72 km WNW of Tyonek, Alaska | 14 km |
| 41d 前 | M0.5 | 60 km W of Tyonek, Alaska | 14 km |
| 41d 前 | M0.6 | 52 km WNW of Beluga, Alaska | 21 km |
| 41d 前 | M0.3 | 60 km W of Tyonek, Alaska | 30 km |
| 42d 前 | M-0.6 | 64 km WNW of Beluga, Alaska | 1.2 km |
| 42d 前 | M-0.5 | 66 km WNW of Beluga, Alaska | 2.4 km |
| 42d 前 | M1.2 | 46 km WNW of Beluga, Alaska | 20 km |
| 42d 前 | M-0.5 | 61 km WNW of Beluga, Alaska | 4.1 km |
| 42d 前 | M0.6 | 38 km NW of Beluga, Alaska | 35 km |
| 42d 前 | M-0.6 | 69 km WNW of Tyonek, Alaska | 5.5 km |
| 42d 前 | M-0.7 | 69 km WNW of Tyonek, Alaska | 5.9 km |
| 42d 前 | M-0.3 | 69 km WNW of Tyonek, Alaska | 4.9 km |
| 42d 前 | M-0.3 | 69 km WNW of Tyonek, Alaska | 4.5 km |
| 42d 前 | M1.6 | 39 km WNW of Beluga, Alaska | 27 km |
| 43d 前 | M-0.5 | 70 km WNW of Tyonek, Alaska | 6.1 km |
| 43d 前 | M0.4 | 64 km WNW of Nikiski, Alaska | 42 km |
地质与构造特征
复合成层火山斯珀火山是形成于俯冲带 / 大陆地壳 (> 25 km)环境中的活跃复合成层火山。主要岩性:安山岩 / 玄武安山岩。
火山类型复合成层火山
主要岩石安山岩 / 玄武安山岩
构造背景俯冲带
火山弧Alaska Peninsula火山弧
火山档案
VN #313040官方目录参数、坐标、高程及地质构造分类。
国家美国
火山口坐标61.299°, -152.251°
峰顶海拔3.4 km
次区域Alaska Peninsula火山弧
目录来源Smithsonian GVP (#313040)
常见问题(FAQ)
经过验证的科学、运行与应急规程
史密森尼 Global Volcanism Program 记录的 斯珀火山 最近一次喷发为 1992 年。
目录:史密森尼学会 Global Volcanism Program。Smithsonian GVP 页面