Earthquakes Home ? Audience ? For Public ? Earthquakes Recent Earthquakes 10/17/2008 M 5.8, eastern New Guinea region, Papua New Guinea(巴布新几内亚6.951S, 147.246E) 10/16/2008 M 6.7, offshore Chiapas, Mexico 10/12/2008 M 6.2, Chuquisaca, Bolivia 10/11/2008 M 6.1, Virgin Islands region 10/11/2008 M 5.8, Caucasus region, Russia http://www.iris.edu/hq/audience/public/earthquakes GFZ Potsdam - Earthquake Bulletin New search Legend Origin Time UTC Mag Latitude degrees Longitude degrees Depth km AM Region Name 2008-10-18 18:41:32 5.3 6.29 S 104.63 E 60 A Sunda Strait, Indonesia 2008-10-18 10:26:35 5.2 20.11 S 178.28 W 423 A Fiji Islands Region 2008-10-18 09:42:04 4.3 1.91 S 77.18 W 171 M Ecuador 2008-10-18 09:29:06 4.9 39.64 N 73.82 E 51 M Tajikistan-Xinjiang Border Region 2008-10-18 08:09:50 4.7 47.57 N 145.59 E 401 A Sea of Okhotsk 2008-10-18 00:54:43 5.8 6.94 S 147.25 E 99 A Eastern New Guinea Reg., P.N.G. 2008-10-17 18:53:17 4.2 43.39 N 46.33 E 10 M Eastern Caucasus 2008-10-17 18:42:43 4.2 38.75 N 20.84 E 41 A Greece 2008-10-17 04:10:05 4.8 5.75 S 152.47 E 78 M New Britain Region, P.N.G. 2008-10-17 02:53:58 4.1 14.53 N 92.52 W 45 M Near Coast of Chiapas, Mexico 2008-10-16 23:24:44 4.8 3.96 S 150.77 E 62 M New Ireland Region, P.N.G. 2008-10-16 19:41:30 6.6 14.51 N 92.46 W 63 M Near Coast of Chiapas, Mexico 2008-10-16 18:28:55 4.8 1.82 N 127.39 E 115 M Halmahera, Indonesia 2008-10-16 11:49:29 4.9 42.54 N 142.62 E 108 M Hokkaido, Japan Region 2008-10-16 09:46:17 4.8 31.22 N 103.80 E 10 M Sichuan, China 2008-10-16 06:39:41 4.7 37.17 N 57.89 E 10 M Turkmenistan-Iran Border Region 2008-10-16 04:28:49 5.0 3.10 S 81.35 E 10 A South Indian Ocean 2008-10-15 19:29:29 4.2 39.02 N 23.54 E 10 A Aegean Sea 2008-10-15 18:37:19 3.1 51.34 N 16.01 E 5 M Poland 2008-10-15 16:35:54 4.9 6.49 S 129.66 E 186 A Banda Sea 2008-10-15 14:28:21 5.3 15.69 S 166.81 E 66 A Vanuatu Islands 2008-10-15 08:02:01 5.1 2.01 N 97.66 E 46 A Northern Sumatra, Indonesia 2008-10-15 03:33:09 3.8 51.52 N 16.04 E 10 A Poland 2008-10-15 00:17:53 4.9 15.09 S 72.20 W 100 A Southern Peru 2008-10-14 19:51:39 5.0 4.24 N 69.20 E 10 A North Indian Ocean 2008-10-14 19:00:38 4.2 50.08 N 12.81 E 10 A Germany 2008-10-14 16:52:49 5.3 21.21 S 178.44 W 335 A Fiji Islands Region 2008-10-14 15:06:53 4.9 43.44 N 46.31 E 32 M Eastern Caucasus 2008-10-14 10:17:17 3.4 51.25 N 15.86 E 5 M Poland 2008-10-14 05:49:03 2.8 50.20 N 12.47 E 5 M Germany 2008-10-14 04:05:48 3.4 50.17 N 12.40 E 5 M Germany 2008-10-14 04:01:35 3.7 50.19 N 12.40 E 5 M Germany 2008-10-14 02:17:06 4.6 38.86 N 23.66 E 38 A Greece 2008-10-14 02:06:39 4.8 38.80 N 23.65 E 10 A Greece 2008-10-14 01:04:25 5.1 5.56 N 124.05 E 498 A Mindanao, Philippines 2008-10-13 21:37:26 4.7 43.44 N 46.47 E 10 A Eastern Caucasus 2008-10-13 17:16:12 5.4 38.82 N 70.58 E 10 A Afghanistan-Tajikistan Border Region 2008-10-13 16:05:27 5.4 39.67 N 73.92 E 38 A Tajikistan-Xinjiang Border Region 2008-10-13 15:56:50 4.9 20.67 S 179.09 W 536 A Fiji Islands Region 2008-10-13 12:07:46 5.0 21.07 S 174.15 W 10 A Tonga Islands Earlier Events Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum - GFZ http://geofon.gfz-potsdam.de/db/eqinfo.php
图 1 2008 年 10 月 6 日 与 9 日海温异常比较(白色为海冰) 我在 10 月 5 日 指出, 10 月 4-5 日,地震和余震活动明显增强,必须关注 10 月潮汐组合 A 和 B :前者重点区域在 中纬度地区 ,后者重点在 低纬度和高纬度地区 。 潮汐组合 A : 2008 年 10 月 5 日 为月亮赤纬角最大值 -27.36969 度, 7 日为上弦,月亮潮南北震荡较强,太阳潮抵消部分月亮潮。所以, 重点区域在 中纬度地区。 潮汐组合 B : 2008 年 10 月 13 日 月亮赤纬角达到最小值 -0.00096 度, 15 日为日月大潮, 17 日为月亮近地潮,三者两两叠加,日月同时在赤道附近,赤道地区潮汐变化最大,激发地震火山活动和冷空气活动。所以, 重点在 低纬度和高纬度地区 。 我在 10 月 8 日 指出, 2008 年 10 月 7 日 北冰洋发生 5.7 级地震,中强地震开始从中纬度地区向低纬和高纬地区转移,在 13 日达到高潮 。 10 月 8 日 阿拉斯加南部发生 5.2 级地震, 9 日汤加发生 5.9 级地震,这一趋势正在继续发展。 比较 10 月 6 日 和 9 日海温异常图(见图 1 ),亚洲沿海海温增温明显,赤道东太平洋海温也有增温趋势;阿拉斯加南部海温变冷。与 10 月 13 日 月亮赤纬角达到最小值相配合,这导致澳大利亚以东、印度洋以北、北太平洋北部和北冰洋等低纬度和高纬度地区地震频发。北太平洋北部东西温差加大,导致洋壳翘翘板运动,地震频发。 9 日中印度洋海岭发生 5.2 级地震,印度洋壳扩张值得关注 。亚洲南部、西南部、东南部以及澳大利亚东部地区地震可能增强。 Earthquakes Home Audience For Public Earthquakes Recent Earthquakes 10/09/2008 M 5.9, Tonga( 汤加 21.107S, 174.489W) 10/08/2008 M 5.2, Southern Alaska( 阿拉斯加南部 60.699N, 143.764W) 10/07/2008 M 5.7, Arctic Ocean( 北冰洋 79.829N, 115.226W) 10/06/2008 M 6.4, eastern Xizang ( 西藏东部 29.759N, 90.302E) 10/05/2008 M 5.9, central Afghanistan ( 阿富汗 33.954N, 69.477E) 10/05/2008 M 5.7, southern Xinjiang, China ( 新疆 39.524N, 73.883E) 10/05/2008 M 6.6, Kyrgyzstan (吉尔吉斯斯坦 39.515N, 73.768E) 10/05/2008 M 6.2, Kermadec Islands, New Zealand (新西兰克马德克群岛 30.215 S, 177.170 W ) 10/04/2008 M 5.6, South Sandwich Islands region (南桑威奇群岛 59.326 S, 26.060 W ) http://www.iris.edu/hq/audience/public/earthquakes GFZ Potsdam - Earthquake Bulletin New search Legend Origin Time UTC Mag Latitude degrees Longitude degrees Depth km AM Region Name 2008-10-09 20:20:46 5.2 37.47 S 78.60 E 10 A Mid Indian Ridge (中印度洋海岭) 2008-10-09 19:15:01 4.9 9.34 S 108.19 E 46 A South of Java , Indonesia 2008-10-09 17:50:03 5.5 20.68 S 174.31 W 10 A Tonga Islands 2008-10-09 16:29:52 4.8 29.24 N 104.83 E 10 A Sichuan , China 2008-10-09 14:43:22 4.8 39.49 N 74.07 E 10 A Southern Xinjiang, China 2008-10-09 12:41:10 4.9 8.84 N 126.99 E 51 A Mindanao, Philippines 2008-10-09 10:44:16 4.3 31.45 N 138.14 E 377 M Southeast of Honshu , Japan 2008-10-09 03:28:46 5.0 29.80 N 90.47 E 10 M Xizang 2008-10-09 03:13:45 4.9 39.41 N 74.39 E 10 A Southern Xinjiang, China 2008-10-09 01:23:19 5.0 54.52 S 130.67 W 10 M Pacific Antarctic Ridge 2008-10-09 01:00:54 5.0 51.79 N 173.29 W 17 A Andreanof Islands, Aleutian Islands 2008-10-08 23:31:23 4.7 39.62 N 73.92 E 54 A Tajikistan-Xinjiang Border Region 2008-10-08 19:09:30 5.4 13.22 N 124.17 E 20 A Luzon, Philippines 2008-10-08 17:52:46 4.9 41.17 N 142.31 E 49 A Hokkaido , Japan Region 2008-10-08 17:18:58 4.9 53.00 N 167.24 W 29 A Fox Islands, Aleutian Islands 2008-10-08 16:47:02 4.9 54.12 N 168.46 W 75 A Fox Islands, Aleutian Islands 2008-10-08 14:07:18 5.3 29.84 N 90.41 E 10 A Xizang 2008-10-08 12:31:40 4.1 36.94 N 29.24 E 10 M Turkey 2008-10-08 11:51:47 4.5 36.83 S 95.86 W 10 M West Chile Rise 2008-10-08 09:53:04 5.6 60.69 N 143.71 W 10 A Southern Alaska 2008-10-08 09:15:34 5.1 12.36 S 166.66 E 145 A Santa Cruz Islands 2008-10-08 08:49:57 3.9 37.59 N 24.26 E 87 A Southern Greece 2008-10-08 07:57:36 5.2 79.83 N 116.85 W 10 A Arctic Ocean 2008-10-08 06:46:23 5.0 23.34 N 93.82 E 71 M Myanmar-India Border Region 2008-10-08 06:07:51 4.8 35.44 N 140.24 E 60 A Near East Coast of Honshu , Japan 2008-10-08 02:32:08 2.4 50.17 N 12.42 E 10 M Germany 2008-10-08 02:08:09 5.0 22.19 S 171.40 E 10 A Southeast of Loyalty Islands 2008-10-08 01:27:12 2.4 50.18 N 12.44 E 10 M Germany 2008-10-08 00:49:01 5.7 18.04 N 146.49 E 89 A Mariana Islands 2008-10-07 23:24:59 4.4 36.39 N 22.59 E 49 A Southern Greece 2008-10-07 23:13:21 4.6 39.57 N 73.90 E 45 M Tajikistan-Xinjiang Border Region 2008-10-07 19:49:10 4.6 80.05 N 117.04 W 10 A Arctic Ocean 2008-10-07 18:54:57 4.6 23.84 N 142.98 E 25 M Volcano Islands, Japan Region 2008-10-07 18:29:43 4.5 25.51 N 102.14 E 10 M Yunnan , China 2008-10-07 15:47:40 3.5 51.53 N 16.00 E 10 A Poland 2008-10-07 14:18:24 4.9 5.59 S 128.80 E 331 A Banda Sea 2008-10-07 13:11:40 3.4 41.45 N 19.48 E 10 M Albania 2008-10-07 12:13:13 4.5 79.80 N 114.77 W 10 M Arctic Ocean 2008-10-07 10:00:46 5.6 79.78 N 115.65 W 10 M Arctic Ocean 2008-10-07 05:28:04 4.7 2.80 S 138.36 E 25 M Irian Jaya, Indonesia http://geofon.gfz-potsdam.de/db/eqinfo.php 参考文献 1. 杨学祥 . 关注 10 月潮汐组合 A 和 B :地震和余震增强 . 发表于 2008-10-5 4:17:23 科学网。 http://www.sciencenet.cn/blog/user_content.aspx?id=41451 2. 杨学祥 . 10 月 5-7 日潮汐组合 A 激发地震:新疆乌恰县发生 6.8 级地震 . 发表于 2008-10-6 6:56:39 科学网。 http://www.sciencenet.cn/blog/user_content.aspx?id=41599 3. 杨学祥 . 新一轮强震已经开始:关注 10 月强震时期 . 发表于 2008-10-6 14:20:29 科学网。 http://www.sciencenet.cn/blog/user_content.aspx?id=41647 4. 杨学祥 . 重要更正:关注 10 月潮汐组合 A 和 B. 发表于 2008-10-6 16:20:44 科学网。 http://www.sciencenet.cn/blog/user_content.aspx?id=41662 5. 杨学祥 . 北冰洋地震:中强地震开始向低纬和高纬地区转移 . 发表于 2008-10-8 6:40:42 科学网。 http://www.sciencenet.cn/blog/user_content.aspx?id=41877 6. 杨学祥 . 南亚成为主要震区: 7 级地震的危险增大 . 发表于 2008-10-7 6:28:42 科学网。 http://www.sciencenet.cn/blog/user_content.aspx?id=41741