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Towards real-time earthquake impact alerting in Indonesia

By
Sigit Pramono
Sigit Pramono
Geophysics Division, Badan Meteorologi, Klimatologi, dan Geofisika, Jakarta, Indonesia
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Trevor I. Allen
Trevor I. Allen
Pacific Geoscience Centre, Natural Resources Canada, Sidney, BC, Canada
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Craig Bugden
Craig Bugden
Community Safety and Earth Monitoring Division, Geoscience Australia, Symonston, ACT, Australia
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Rakhindro Pandhu
Rakhindro Pandhu
Geophysics Division, Badan Meteorologi, Klimatologi, dan Geofisika, Jakarta, Indonesia
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Isabella Nindya
Isabella Nindya
Geophysics Division, Badan Meteorologi, Klimatologi, dan Geofisika, Jakarta, Indonesia
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Hadi Ghasemi
Hadi Ghasemi
Community Safety and Earth Monitoring Division, Geoscience Australia, Symonston, ACT, Australia
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Masturyono
Masturyono
Geophysics Division, Badan Meteorologi, Klimatologi, dan Geofisika, Jakarta, Indonesia
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Published:
January 01, 2017

Abstract

The Government of Indonesia has committed to deploying a network of 500 strong-motion sensors throughout the nation. The data from these sensors have the potential to provide critical near-real-time information on the level of ground shaking and potential impact from Indonesian earthquakes near communities. We describe the implementation of real-time ‘ShakeMaps’ within Indonesia’s Agency of Meteorology, Climatology and Geophysics (BMKG). These ShakeMaps are intended to underpin real-time earthquake situational awareness tools.

The use of the new strong-motion network is demonstrated for two recent earthquakes in northern Sumatra: the 2 July 2013 Mw 6.1 Bener Meriah, Sumatra and the 10 October 2013 Mw 5.4 Aceh Besar earthquakes. The former earthquake resulted in 35 fatalities, with a further 2400 reported injuries. The recently integrated ShakeMap system automatically generated shaking estimates calibrated by BMKG’s strong-motion network within 7 min of the Bener Meriah earthquake’s origin, which assisted the emergency response efforts. Recorded ground motions are generally consistent with theoretical models. However, more analysis is required to fully characterize the attenuation of strong ground motion in Indonesia.

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Contents

Geological Society, London, Special Publications

Geohazards in Indonesia: Earth Science for Disaster Risk Reduction

P. R. Cummins
P. R. Cummins
Australian National University, Australia
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I. Meilano
I. Meilano
Bandung Institute of Technology, Indonesia
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The Geological Society of London
Volume
441
ISBN electronic:
9781862399709
Publication date:
January 01, 2017

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