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'Stay away' warning for volcanoes	印尼火山活動(dòng)頻繁 專(zhuān)家提醒遠(yuǎn)離火山
Residents stand outside their tent at a temporary camp as Mount Talang is seen spewing volcanic clouds in the background, in Lembah Gumanti, near the town of Solok, West Sumatra, Friday, April 15, 2005. (AP) Scientists have warned hikers and visitors to stay away from two more Indonesian volcanoes, a day after another volcano spewed ash on disaster-stricken Sumatra island and forced the evacuation of some 25,000 people. Sensors on the slopes of the two mountains -- Anak Krakatoa on the southern tip of Sumatra and Tangkuban Prahu in Java -- picked up an increase in volcanic activity and a buildup of gases, government volcanologist Syamsul Rizal said on Wednesday. On Tuesday, Mount Talang, also on Sumatra, sent clouds of gas high into the air. Some 25,000 people have fled the area around the volcano and are staying in tents and public buildings. Vulcanologists said it was possible the increased volcanic activity could be linked to recent earthquakes that have rocked Sumatra, including one on March 28 that killed 600 people on the outlying island of Nias. "The thing that links these together is the first earthquake. It was such a huge event. We have to expect it to take about six months to get back to normal," Gary Gibson, from the Seismology Research Center in Canberra, Australia told CNN on Thursday. "Volcanoes will be affected by stress on the earth and changes in stress may trigger eruptions earlier than we may have expected them," Gibson said, adding that he expected there to be many small and large aftershocks from the earthquake. Scientists on Wednesday raised the alert level for Anak Krakatoa and Tangkuban Prahu -- which regularly spew gas and rumble -- from "normal" to "warning," the middle of three alert levels. This means the volcanoes are declared off-limits to hikers, but authorities are not ordering the evacuation of villagers living on their slopes. The exodus from the slopes of Talang in Sumatra reflects the nervousness of people living on the island, the northern tip of which was devastated by the December 26 earthquake and tsunami. Rumors spread by mobile phone text messages warning of more earthquakes, tsunami and volcanic eruptions have added to panic on the island. The 9,186-foot mountain was spewing ash 1,640 feet into the air Wednesday, but not as high as a day earlier, when the clouds reached 3,280 feet, said Surono, from a government-run volcanology center in Bandung, West Java province. President Susilo Bambang Yudhoyono visited the region in west Sumatra, some 560 miles northwest of Jakarta, on Wednesday to meet with refugees in temporary camps. （Agencies)	最近，飽受天災(zāi)摧殘的蘇門(mén)答臘島上的一座火山突然噴發(fā)，島上約25000人被迫撤離，時(shí)隔僅一天，科學(xué)家們又向徒步旅行者和游客們發(fā)出警告，提醒他們不要靠近印度尼西亞的另外兩座火山。 印尼火山學(xué)家上周三說(shuō)，安放在蘇門(mén)答臘島南端的喀拉喀托火山和爪哇島上的唐庫(kù)班珀拉胡火山山坡上的傳感器檢測(cè)到這兩座火山的活動(dòng)在加劇，而且氣體也在積聚。 上周二，位于蘇門(mén)答臘島的塔藍(lán)山火山噴出大片火山灰，沖入云霄。約有25000人逃離該地區(qū)，目前只能呆在臨時(shí)搭建的帳篷和建筑物內(nèi)。 火山學(xué)家們稱(chēng)不斷加劇的火山活動(dòng)可能與最近發(fā)生在蘇門(mén)答臘島的一系列地震有關(guān)，其中包括3月28日發(fā)生在偏遠(yuǎn)的尼亞斯島的地震，在那次地震中共有600人喪生。 澳大利亞堪培拉地震學(xué)研究中心的加里·吉樸森上周二在接受美國(guó)有線(xiàn)電視網(wǎng)采訪(fǎng)時(shí)說(shuō)：“第一次的地震將這些聯(lián)系起來(lái)。那次地震太劇烈了，我們只能希望半年之后一切都能恢復(fù)正常。” 吉樸森說(shuō)：“地球受到的壓力會(huì)影響火山，而壓力的變化可能會(huì)導(dǎo)致火山早于我們的預(yù)期噴發(fā)。”他還補(bǔ)充說(shuō)，他認(rèn)為地震之后會(huì)有許多大小不一的余震。 上周三，科學(xué)家們將喀拉喀托火山和唐庫(kù)班珀拉胡火山的警戒度由“正常”提高到“警告”，三級(jí)警戒的中間等級(jí)，因?yàn)檫@兩座火山近來(lái)定期噴出火山灰，并發(fā)出隆隆的聲音。這意味著這些火山已不能對(duì)徒步旅行者開(kāi)放，但政府并沒(méi)有要求住在山坡上的居民撤離。 居住在蘇門(mén)答臘島塔藍(lán)山火山山坡上的居民已經(jīng)開(kāi)始大批撤離，反映出島上居民的緊張不安。蘇門(mén)答臘島北端在去年12月26日的地震和海嘯中被摧毀。通過(guò)手機(jī)短信散布的流言警告說(shuō)可能會(huì)有更多的地震、海嘯和火山爆發(fā)，這也加劇了島上的慌亂。 在政府管理的火山學(xué)中心工作的蘇若努說(shuō)，這座9186英尺高的火山上周三噴出的火山灰高達(dá)1640英尺，但仍不如前一天的噴發(fā)高度——3280英尺。該火山學(xué)中心位于爪哇西部的萬(wàn)隆。 印尼總統(tǒng)蘇西洛上周三來(lái)災(zāi)區(qū)視察，這里地處蘇門(mén)答臘島西部，離首都雅加達(dá)西北約560英里，他還探望了住在臨時(shí)帳篷里的難民。 （中國(guó)日?qǐng)?bào)網(wǎng)站譯）