Typhoon Durian in November 2006 was most notable for a series of devastating lahars that buried communities at the base of Mayon volcano in Bicol, Philippines. Typhoon Durian delivered extreme rainfall that remobilized volcanic debris that caused more than ~1200 deaths and extensive property damage. Although not as deadly as the lahar, Typhoon Durian also generated a storm surge that caused localized dune breaching on Malinao barrier sand spit in Lagonoy Gulf. In the absence of instrumental data of the storm surge, we used the geomorphical and sedimentary imprints including erosion scarps, washover fans and terraces to infer the inundation heights on the barrier spit. The surface elevations of washover fans, terraces and relic dunes indicate inundation heights above 1.5 m but not exceeding 3 m. Typhoon Durian's overwash deposit is characterized by typical washover fan stratigraphy, and exhibits horizontal to sub-horizontal lamination on the front to mid-fan and foreset stratification near the fan terminus. Subsurface stratigraphy using shore-normal ground penetrating radar (GPR) imaging reveals at least two buried erosional surfaces farther inland from the erosional surface of Typhoon Durian. Similar to Durian, the older erosional surfaces were probably sustained from previous typhoons. We infer that episodic erosional events most likely have repeatedly disrupted the prograding development of the Malinao barrier spit. Typhoon Durian highlights the exposure of volcanic landscapes to multiple hazards from cyclone landfall.

2006年11月的“榴莲”台风最引人注目的是，一系列破坏性的拉哈尔火山把菲律宾社区埋没在马永火山底部的社区。榴莲台风带来了极大的降雨，使火山碎屑流失，导致约1200多人丧生，财产遭到广泛破坏。榴莲台风虽然没有拉哈尔人致命，但它也引起了风暴潮，导致沙丘破坏了拉贡诺湾的马利纳堡屏障沙嘴上的局部沙丘。在没有风暴潮的仪器数据的情况下，我们使用了地貌和沉积印记（包括侵蚀陡峭带，冲刷扇和阶地）来推断屏障吐水口的淹没高度。冲刷扇，阶地和文物沙丘的表面高度表明淹没高度在1.5 m以上但不超过3 m。榴莲台风 过冲沉积物的特征是典型的冲刷扇形地层，并且在扇前到扇中表现出水平至亚水平的分层，并在扇形终点附近表现出前兆分层。利用岸上法向地面穿透雷达（GPR）成像进行的地下地层学揭示了至少两个埋藏的侵蚀面，距台风榴莲的侵蚀面较内陆更远。与榴莲相似，较旧的侵蚀面可能是先前台风造成的。我们推断，偶发性侵蚀事件很可能一再破坏了Malinao屏障唾液的逐步发展。榴莲台风强调了火山景观受到旋风登陆的多重危害。并在扇前到扇中表现出水平至亚水平的分层，并在扇末端附近预示分层。利用岸上法向地面穿透雷达（GPR）成像进行的地下地层学揭示了至少两个埋藏的侵蚀面，距台风榴莲的侵蚀面较内陆更远。与榴莲相似，较旧的侵蚀面可能是先前台风造成的。我们推断，偶发性侵蚀事件很可能一再破坏了Malinao屏障唾液的逐步发展。榴莲台风强调了火山景观受到旋风登陆的多重危害。并在扇前到扇中表现出水平至亚水平的分层，并在扇末端附近预示分层。利用岸上法向地面穿透雷达（GPR）成像进行的地下地层学揭示了至少两个埋藏的侵蚀面，距台风榴莲的侵蚀面较内陆更远。与榴莲相似，较旧的侵蚀面可能是先前台风造成的。我们推断，偶发性侵蚀事件很可能一再破坏了Malinao屏障唾液的逐步发展。榴莲台风强调了火山景观受到旋风登陆的多重危害。利用岸上法向地面穿透雷达（GPR）成像进行的地下地层学揭示了至少两个埋藏的侵蚀面，距台风榴莲的侵蚀面较内陆更远。与榴莲相似，较旧的侵蚀面可能是先前台风造成的。我们推断，偶发性侵蚀事件很可能一再破坏了Malinao屏障唾液的逐步发展。榴莲台风强调了火山景观受到旋风登陆的多重危害。利用岸上法向地面穿透雷达（GPR）成像进行的地下地层学揭示了至少两个埋藏的侵蚀面，距台风榴莲的侵蚀面较内陆更远。与榴莲相似，较旧的侵蚀面可能是先前台风造成的。我们推断，偶发性侵蚀事件很可能一再破坏了Malinao屏障唾液的逐步发展。榴莲台风强调了火山景观受到旋风登陆的多重危害。