Dear Colleagues and Friends,
Welcome to The 43rd HAGI Annual Convention and Exhibition 2018 where the indonesian Association of Geophysicists (HAGI) bring a wide audience from oil, gas, mining, industries as well as other related participants. The 43rd HAGI Annual Convention and Exhibition 2018 will be held at the Semarang, Central Java, from 24-27 September 2018. We believe that Semarang is the best place to represent many innovations to answer the challenge of exploration in the Oil & Gas, mining and Geo-tourism Industries in Indonesia and will draw promise the investors. This event, we bring the theme of "Geoscience for Energy, Society and Sustainability" to this convention because we believe in the 40-years journey of HAGI, this is an excellent momentum to reflect ehat we do in over 40 years, where many challenge happened, and as a part of this nation. We want to make a change with innovation. This convention is one of the best ways for employees, executives, lecturers, and students, to share their knowledge, ideas, experiences, and succees stories even the challenging efforts, face to face. Included in the event are live talks and poster presentations. Oil, Mining, and Service companies are welcome. This Convention will also serve as a great opportunity for you to expose your vision and core technology as the Convention Committee has accepted more than xx papers. On behalf of the committees and members of HAGI, we invite you to participate as delegates, presenters, exhibitors, and sponsors. We look forward to your participation and support to this important event and to seeing you at The 43rd HAGI Annual Convention and Exhibition 2018.

Hernowo Danusaputro
Chairman of The 43rd HAGI Annual Convention and Exhibition 2018