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Green Earthquake alert in Indonesia on 21 Apr 2012 01:16 UTC
GDACS Event Report - Earthquake impact

Summary

Population map close up
Population map close up. (Source: JRC)
Interactive map: Open

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Updated: this report is based on episode 1.

  • Earthquake Magnitude 6.6M, Depth:16km
  • on 21 Apr 2012 01:16 UTC
  • 160000 people within 100km
  • inserted at 21 Apr 2012 04:40:43

Tsunami

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Earthquake event

  • Magnitude: 6.6 M
  • Depth: 16 km (shallow)
  • Area affected by light damage (estimated radius): 68 km (MMI VI)
  • Source: NEIC usc00098nl
  • Location (latitude/longitude): -1.6032, 134.274
  • Time (UTC): 21 Apr 2012 01:16:52
  • Time (ECT): 21 Apr 2012 03:16:52

Earthquake impact details

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Not calculated

Event time line

For accessing reports of previous advisories, please click on the advisory number in the table below.

event calculation detail

Event calculation detail

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IDAlert color Date (UTC)Mag. and depthMax Intensity (mmi*)Pop. within 100 kmTsunami risk (max height)Delay (hh:mm) Source
116343 21 Apr 2012 01:16 6.9M, 33km N/A 40 thousand 0.1m (at 01:46) 00:11 NEIC NEIC
116344 21 Apr 2012 01:16 6.6M, 29.8km N/A 160 thousand 0m (at 02:45) 00:18 NEIC NEIC
116355 21 Apr 2012 01:16 6.6M, 16km N/A 160 thousand 0.1m (at 01:26) 03:23 NEIC NEIC

(*) Modified Mercalli Intensity Scale

More information

Data resources

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About the data

Disclaimer

While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.