Six magnitude 6.0 or larger earthquakes struck the Markham Valley region of Madang and Morobe provinces in Papua New Guinea of October 1993. The first and largest of the sequence measured Mw 6.9 and struck on 13 October; a Mw 6.7 shock occurred 12 days later. These earthquakes were centered beneath the Finisterre Range, north of the valley. They were caused by thrust faulting on the Ramu–Markham Fault, a major plate boundary between the Finisterre Terrane and Australian plate. At least 60 people were killed; many because of landslides and mudflows that destroyed villages downhill of the range.
At least 60 people die in eastern Papua New Guinea when a series of earthquakes rock the Finisterre Range, triggering massive landslides.
On October 13, in the year 1993, At least 60 people die in eastern Papua New Guinea when a series of earthquakes rock the Finisterre Range, triggering massive landslides. This event is recorded as a Historical Events event in the history of October 13, a notable event in this corner of history.
Key Facts
- This event took place on October 13, 1993 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 1 Wikipedia article.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 27 September 2026.
On This Date in History
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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