Discussion Overview
The discussion centers around a preliminary report of a Mw6.6 earthquake occurring offshore of Northwest Western Australia. Participants explore the significance of this event in the context of historical seismic activity in the region, comparing it to past earthquakes and discussing its rarity.
Discussion Character
Main Points Raised
- One participant records a Mw6.6 earthquake offshore of NW WA, noting it is the largest quake they have recorded so far.
- Another participant provides a seismogram of the first hour of the earthquake's recording.
- Some participants mention that while earthquakes in this region are rare, they are not unprecedented, referencing a historical earthquake from 1929.
- A question is raised regarding whether the largest Australian quake refers to the Exmouth earthquake in 1906, with links provided for further reading on historical earthquakes in Western Australia and Victoria.
- One participant expresses interest in the historical context of seismicity in Victoria, sharing additional resources for exploration.
Areas of Agreement / Disagreement
Participants do not reach a consensus on the largest earthquake in Australia, as there are multiple historical events referenced, and the rarity of earthquakes in the region is acknowledged but not universally agreed upon.
Contextual Notes
Participants reference various historical earthquakes and provide links to external resources, indicating a reliance on historical data and differing interpretations of seismic activity in Australia.
Dave