National Tsunami Warning Center, NOAA/NWS

Indonesian Tsunami of 6 April, 2010

A strong earthquake with a moment magnitude of 7.7 (USGS Magnitude) occurred at 2215 UTC, 6 April, 2010 (day 096) and was located 198 km (124 miles) WNW of Sibolga, Indonesia (2.36 N, 97.13 E, at a depth of 19.3 km/30.8 miles - USGS location).

This earthquake produced a tsunami that was recorded at tide gages monitored at the Tsunami Warning Centers. Many observatories provide data to the centers; such as the NOAA National Ocean Service, the U. of Hawaii Sea Level Center, the Chilean Navy, and the National Tidal Facility in Australia among others. Click on the site name to see a graph of the tsunami, when available. Listed wave heights are maximum amplitude in cm (above sea level). Observed Arrival time is the actual tsunami arrival time in UTC on gages where it could be determined. The Sample Interval column shows the time between samples.

For additional information about this tsunami event see the Pacific Tsunami Warning Center's homepage.

 

Earthquake Location Map
(click to enlarge)

Travel Time Map
(click to enlarge)

 

Tide gage

Peak amplitude (above sea level in cm)

Observed Initial Arrival time (UTC)

Estimate Arrival time (UTC)

Initial motion

Sample Interval (min)

Data File (Julian Day Starts at  0000 UTC)

Meulaboh, Indonesia

44

0010

none

rise

1

096, 097

Sibolga, Indonesia

19

2333

2359

rise

1

096, 097

Telukdalam, Indonesia

17

2254

none

rise

1

096, 097

Padang, Indonesia

7

0032

none

rise

1

096, 097

Tanabalah, Indonesia*

7

?

none

?

1

none

* Information From PTWC

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