Philippines Quake, Surigao city

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Discussion Overview

The discussion centers around the recent earthquake in Surigao City, Philippines, including its geological context, effects, and the structural integrity of buildings in the region. Participants explore the tectonic plates involved and share personal connections to the area.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes that there have been 30 aftershocks reported following a 6.7-magnitude earthquake, indicating the restlessness of the eastern Pacific plate.
  • Another participant corrects the first by stating that the relevant tectonic feature is the western Pacific Plate, and provides details about the earthquake's location relative to Surigao City.
  • Concerns are raised about the poor construction standards in the Philippines, suggesting that even minor earthquakes can cause significant damage.
  • There is a discussion about the existence of the Philippine Plate, with one participant recalling that the Philippines is situated on this plate and noting the subduction of the western Pacific Plate beneath it.

Areas of Agreement / Disagreement

Participants express some agreement regarding the tectonic features involved, but there is uncertainty about the specifics of the plates and their interactions. The discussion remains unresolved regarding the implications of these geological factors on the earthquake's impact.

Contextual Notes

Participants reference various geological features and their relationships, but there are missing assumptions about the definitions of the plates and their boundaries. The discussion does not resolve the complexities of the tectonic interactions involved.

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1oldman2 said:
eastern pacific plate is as restless as ever.

western Pacific Plate :wink:

M 6.5 approx. 20 km N of Surigao city and not right under it
building construction is pretty poor in the Philippines, doesn't take much for it to tumble

yes, recorded that one reasonably well
I have a bro and sis inlaw that live just a bit south of there, haven't heard from them yet as to if they felt it

upload_2017-2-12_14-25-37.png


Dave
 
Last edited:
davenn said:
western Pacific Plate
I thought the Philippines had its own plate (but forgotten where the map has been).
 
fresh_42 said:
I thought the Philippines had its own plate (but forgotten where the map has been).

yes, the Philippine Islands are on the Philippine Plate
The Western side of the Pacific Plate in subducting under the Philippine Plate
 
Last edited:
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davenn said:
western Pacific Plate :wink:
:sorry:
 

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