GEMPA BUMI CILACAP TSUNAMI

<b><span style="font-family: Times New Roman; font-size: x-small;"><table border="0" cellpadding="0" cellspacing="0" height="83" style="width: 600px;"><tbody> <tr><td align="center" height="67" rowspan="6" width="52"><img border="0" height="92" src="http://inatews.bmkg.go.id/images/logo_bmg.gif" width="92" /></td> <td align="center" height="8" width="544"><b>BADAN METEOROLOGI KLIMATOLOGI DAN GEOFISIKA</b></td> </tr> <tr> <td align="center" height="8" width="544"><b>PUSAT GEMPABUMI DAN TSUNAMI NASIONAL</b></td> </tr> <tr> <td align="center" height="4" width="544"><b> </b></td> </tr> <tr> <td align="center" height="21" width="544"><span style="font-family: Times New Roman; font-size: x-small;">Jl. Angkasa I. No. 2 Kemayoran - <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/jakarta" rel="lonelyplanet" title="Jakarta">Jakarta</a> Pusat (10720)</span></td> </tr> <tr> <td align="center" height="21" width="544"><span style="font-family: Times New Roman; font-size: x-small;">Tel. (021) 6546316, Fax. (021) 6546316 http://www.bmg.go.id</span></td> </tr> </tbody></table></span></b> <b><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span></b><br /> <div align="center"><b><span style="font-family: Times New Roman; font-size: x-small;"> <span style="font-family: Arial Narrow; font-size: x-small;"> </span><span style="font-size: x-small;"> </span><table border="0" cellpadding="0" cellspacing="0" style="width: 600px;"><tbody> <tr> <td align="center"><b><span style="font-family: Times New Roman; font-size: x-small;"> <img border="0" height="6" src="http://inatews.bmkg.go.id/images/g2.gif" width="602" /></span></b></td> </tr> <tr> <td align="center"><b><u>BERITA GEMPABUMI</u></b></td> </tr> <tr> <td align="center">  No. : 2172 /InaTEWS/IV /2011 </td> </tr> </tbody></table></span></b></div><b><span style="font-family: Times New Roman; font-size: x-small;"> </span> </b><b>  </b><br /> <b> <span style="font-family: Times New Roman; font-size: x-small;"> </span></b><br /> <div align="center"><b><span style="font-family: Times New Roman; font-size: x-small;"> <span style="font-family: Arial Narrow; font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-size: x-small;"> </span><span style="font-family: Times New Roman; font-size: x-small;"> </span><span style="font-family: Arial Narrow; font-size: x-small;"> <span style="font-family: Arial Narrow; font-size: x-small;"> </span></span><table border="0" cellpadding="0" cellspacing="0" style="width: 600px;"><tbody> <tr> <td colspan="4" width="598">1. Telah terjadi <b> GEMPABUMI TEKTONIK</b></td> </tr> <tr> <td width="41"><br /> </td> <td width="188">Pada hari</td> <td width="14">:</td> <td width="349"> Senin, 04 April 2011 </td> </tr> <tr> <td width="41"><br /> </td> <td width="188">Waktu gempa</td> <td width="14">:</td> <td width="349"> 03:06:39 <a class="zem_slink" href="http://en.wikipedia.org/wiki/Time_in_Indonesia" rel="wikipedia" title="Time in Indonesia">WIB</a></td> </tr> <tr> <td width="41"><br /> </td> <td width="188">Pusat gempa</td> <td width="14">:</td> <td width="349"> 10.01 LS - 107.69  BT </td> </tr> <tr> <td width="41"><br /> </td> <td width="188">Kedalaman</td> <td width="14">:</td> <td width="349"> 10 Km</td> </tr> <tr> <td width="41"><br /> </td> <td width="188">Kekuatan</td> <td width="14">:</td> <td width="349"> 7.1 Skala Richter</td> </tr> <tr> <td width="41"><br /> </td> <td valign="top" width="188">Keterangan</td> <td valign="top" width="14">:</td> <td valign="top" width="349"> Pusat gempa berada di laut293 km BaratDaya Cilacap<br />  Jawa Tengah</td> </tr> <tr> <td colspan="2" width="229">           <span style="font-family: Arial Narrow;"> <span style="font-family: Times New Roman;"> <b>Dirasakan disekitar:</b></span></span></td> <td valign="top" width="14"></td> <td align="justify" valign="top" width="349"></td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> Cilacap  </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> IV MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/java/pangandaran" rel="lonelyplanet" title="Pangandaran">Pangandaran</a>  </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> IV MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> Karangkates   </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> II MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/bali/denpasar" rel="lonelyplanet" title="Denpasar">Denpasar</a>  </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> II MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> Jogja  </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> II MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> Cisarua  </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> II MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188"> <a class="zem_slink" href="http://maps.google.com/maps?ll=-7.71666666667,110.016666667&spn=1.0,1.0&q=-7.71666666667,110.016666667%20%28Purworejo%20Regency%29&t=h" rel="geolocation" title="Purworejo Regency">Purworejo</a>  </td> <td valign="top" width="14">:</td> <td align="justify" valign="top" width="349"> II MMI</td> </tr> <tr> <td width="41"></td> <td valign="top" width="188">  </td> <td valign="top" width="14"></td> <td valign="top" width="349"><div align="right"><span style="font-family: Times New Roman; font-size: x-small;">*MMI= Modified Mercally Intensity</span></div></td> </tr> </tbody></table></span></b></div><div align="center"><b><span style="font-family: Times New Roman; font-size: x-small;"><br /> <span style="font-family: Arial Narrow; font-size: x-small;"> </span><table border="0" cellpadding="0" cellspacing="0" style="width: 600px;"><tbody> <tr> <td align="left" valign="top" width="17"><span style="font-family: Times New Roman;">2.</span></td> <td align="left" valign="top" width="579"><span style="font-family: Times New Roman;">Demikian Berita Gempabumi yang dapat kami sampaikan untuk dipergunakan</span></td> </tr> <tr> <td align="left" valign="top" width="17"><br /> </td> <td align="left" valign="top" width="579"><span style="font-family: Times New Roman;">sebagaimana mestinya</span></td> </tr> </tbody></table></span></b></div><b><span style="font-family: Times New Roman; font-size: x-small;"> </span> </b><br /> <div align="center"><b> </b><b><span style="font-family: Times New Roman;"> </span></b><b><span style="font-family: Times New Roman;"><span style="font-family: Times New Roman; font-size: x-small;"> </span></span></b><br /> <table border="0" cellpadding="0" cellspacing="0" height="77" style="width: 600px;"><tbody> <tr> <td height="16" width="14"><br /> </td> <td height="16" width="212"><br /> </td> <td align="center" height="16" width="368"><span style="font-family: Times New Roman;"> Jakarta, 04 April 2011</span></td> </tr> <tr> <td height="15" width="14"><br /> </td> <td height="15" width="212"><br /> </td> <td align="center" height="15" width="368"><span style="font-family: Times New Roman;">BADAN METEOROLOGI DAN GEOFISIKA</span></td> </tr> <tr> <td height="15" width="14"><br /> </td> <td height="15" width="212"><br /> </td> <td align="center" height="15" width="368"><span style="font-family: Times New Roman;">Ka. HUMAS</span> <span style="font-family: Times New Roman;"> <span style="font-family: Times New Roman;"> Ttd</span></span></td> </tr> <tr> <td height="15" width="14"><br /> </td> <td height="15" width="212"><br /> </td> <td align="center" height="15" width="368"><br /> </td> </tr> <tr> <td height="16" width="14"><br /> </td> <td height="16" width="212"><br /> </td> <td align="center" height="16" width="368"><span style="font-family: Times New Roman;">  EDISON GURNING</span></td></tr> </tbody></table></div><div class="zemanta-pixie"><img alt="" class="zemanta-pixie-img" src="http://img.zemanta.com/pixy.gif?x-id=efddb1b1-ad4e-4a66-aeb1-55d0f6c3da7b" /></div>

GEMPA BUMI CILACAP TSUNAMI

BADAN METEOROLOGI KLIMATOLOGI DAN GEOFISIKA PUSAT GEMPABUMI DAN TSUNAMI NASIONAL Jl. Angkasa I. No. 2 Kemayora...

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Tsunami

<div class="zemanta-img"><a href="http://www.flickr.com/photos/24662369@N07/4632910008"><img alt="Tropical Cyclone Sean Near the Lesser Sunda Is..." src="http://farm5.static.flickr.com/4055/4632910008_52fffe5f2d_m.jpg" /></a><span class="zemanta-img-attribution">Image by <a href="http://www.flickr.com/photos/24662369@N07/4632910008">NASA Goddard Photo and Video</a> via Flickr</span></div><table border="0"><tbody> <tr><td><div class="judulheaderbiru">Apa Itu Tsunami ? </div><div class="txt13px">Tsunami berasal dari kata :</div><table border="0"><tbody> <tr> <td width="156"><div class="txt13px"><img height="92" src="http://inatews.bmkg.go.id/images/tsunami_japan.GIF" width="43" /></div></td> <td width="170"><div><b>Tsu = Pelabuhan</b></div><div></div><div><b>Nami = Gelombang</b></div></td> </tr> </tbody></table><div align="justify" class="txt13px">Tsunami adalah gelombang laut yang terjadi karena adanya gangguan impulsif pada laut. Gangguan impulsif tersebut terjadi akibat adanya perubahan <a class="zem_slink" href="http://en.wikipedia.org/wiki/Colotomy" rel="wikipedia" title="Colotomy">bentuk</a> dasar laut secara tiba-tiba dalam arah vertikal (Pond and Pickard, 1983) atau dalam arah horizontal (Tanioka and Satake, 1995). Perubahan tersebut disebabkan oleh tiga sumber utama, yaitu gempa tektonik, letusan gunung api, atau longsoran yang terjadi di dasar laut (Ward, 1982). Dari ketiga sumber tersebut, di <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia" rel="lonelyplanet" title="Indonesia">Indonesia</a> gempa merupakan penyebab utama (Puspito dan Triyoso, 1994). </div><div class="judulbiru">Gelombang <a class="zem_slink" href="http://en.wikipedia.org/wiki/Tsunami" rel="wikipedia" title="Tsunami">tsunami</a> yang terjadi akibat deformasi di dasar laut memiliki karakteristik sebagai berikut: </div><div class="txt13px">•  Memiliki panjang gelombang sekitar 100-200 km atau lebih. <br /> •  Memiliki perioda 10-60 menit <br /> •  Kecepatan perambatan gelombang bergantung pada kedalaman dasar laut. </div><div align="center" class="txt13px"><img height="26" src="http://inatews.bmkg.go.id/images/kecepatan%2520tsunami.GIF" width="66" /></div><div class="txt13px">dimana : v = kecepatan gelombang ; g = percepatan gravitasi ; h = kedalaman laut</div><div class="judulbiru">Gempa pembangkit tsunami biasanya memiliki ciri-ciri sebagai berikut: </div><div class="txt13px">•  Lokasi episenter terletak di laut. <br /> •  Kedalaman pusat gempa relatif dangkal, kurang dari 70 km. <br /> •  Memiliki magnitudo besar M > 7.0 SR <br /> •  Mekanisme pensesarannya adalah sesar naik (<i>thrusting fault</i>) dan sesar turun (<i><a class="zem_slink" href="http://en.wikipedia.org/wiki/Fault_%28geology%29" rel="wikipedia" title="Fault (geology)">normal fault</a></i>) </div><div align="center" class="txt13px"><img height="126" src="http://inatews.bmkg.go.id/images/pembangkit%2520tsunami.gif" width="401" /></div></td> </tr> <tr> <td><div class="judulbiru">Pontensi Tsunami di Indonesia </div><div class="txt13px">Indonesia merupakan negara yang rawan terhadap tsunami, terutama kepulauan yang berhadapan langsung dengan pertemuan lempeng <a class="zem_slink" href="http://en.wikipedia.org/wiki/Eurasia" rel="wikipedia" title="Eurasia">Eurasia</a>, Indo-Australia dan Pasifik, antara lain Bagian Barat P. Sumatera, Selatan P. Jawa, <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/nusa-tenggara" rel="lonelyplanet" title="Nusa Tenggara">Nusa Tenggara</a>, Bagian Utara Papua, <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/sulawesi" rel="lonelyplanet" title="Sulawesi">Sulawesi</a> dan <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/maluku-moluccas" rel="lonelyplanet" title="Maluku (Moluccas)">Maluku</a>, serta Bagian <a class="zem_slink" href="http://en.wikipedia.org/wiki/Timur" rel="wikipedia" title="Timur">Timur</a> P. <a class="zem_slink" href="http://www.lonelyplanet.com/indonesia/kalimantan" rel="lonelyplanet" title="Kalimantan">Kalimantan</a></div><div class="txt13px"><img height="222" src="http://inatews.bmkg.go.id/images/Anim1.gif" width="400" /></div></td> </tr> </tbody></table><br /> Copyright © 2010<br /> Badan Meteorologi Klimatologi dan Geofisika<br /> <div class="zemanta-pixie"><img alt="" class="zemanta-pixie-img" src="http://img.zemanta.com/pixy.gif?x-id=f890f433-e587-4a32-b332-75669ab9034b" /></div>

Tsunami

Image by NASA Goddard Photo and Video via Flickr Apa Itu Tsunami ? Tsunami berasal dari kata : Tsu = Pelabuhan Nami = G...

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