Answer:
1. 1797: A
magnitude 8.4 earthquake near the central part of the
western Sumatra generated a tsunami that flooded Padang.
More than 300 fatalities.
2. 1833: A
magnitude 8.7 earthquake near the south coast of the
western Sumatra triggered a huge tsunami that flooded the
southern part of western Sumatra. Numerous victims.
3. 1843:
A tsunami that came from the southeast and flooded the
coast of the Nias Island. Many fatalities.
4. 1861: A
magnitude 8.5 earthquake affected all the western coast of
Sumatra. Several thousand fatalities.
5. 1881: A
magnitude 7.9 earthquake in the Andaman Island region
generated a 1 m high tsunami on India’s eastern coast.
6. 1883:
Krakatau explosion. 36,000 fatalities, primarily on the
islands of Java and Sumatra.
7. 1941: A
magnitude ~7.7 Adaman Islands earthquake. Anecdotal
accounts exist of a tsunami, however, no official records
exist.