Hawaii volcanics

Any local reports from the Big Island would be much appreciated. But don't get too close

 

With a lower limit of magnitude 2.5, 112 out of 136 global earthquakes in last 24 hrs have happened right around there. It's a pretty jiggly place.

 

After a few hours above metric increased to 151 out of 172 global earthquakes. All this could very well be about a gentle repositioning. Much unwanted would be another '1924' when top of magma got below ground-water level there, and sploosh. An energetic display of getting on the wrong side of 'steam tables'.

Kilauea in intervening decades has been more gentle in magma repositioning, several times. We've nothing saying this one will be more energetic.

But dang, with so many current sensors, earthquakes are almost allowing tomography of rough edges of this magma.

 

For an imagined replay of 1924, now-evacuated areas are much too small and shelters are much too close.

 

Small earthquakes there increase; now 162/184. I wonder if their increase on south side of East Rift Zone means something. HVO and Civil Defense are not expressing excitement.

Our null hypothesis of course is 'no big deal' just like post-1924 activity. Were I on scene I would look for a road granting 50 kilometers to north or west. Being a wimp as of course it must be said.

 

Ground zero this time has so far been Leilani Estates and nearby. This is said to be among the least expensive housing anywhere in Hawaiian Islands. Govt could make home building illegal in some areas I guess...

In the long run, all of west south west Hawaii (that island) will be repeatedly 'repaved'. So in the long run, none of that area is entirely suitable for residences. But we cannot predict when and where.

Oh another Island will pop up also, to the southwest. Pele just has leaky plumbing.

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Currently, earthquakes are down from a peak of ~250/24 hr to ~200/24 hr. Have not checked to see of more lava is coming out.

 

There are 8 lava release points in Leilani, not all currently active.

Earthquakes are down to 159/24 hours. One might suspect that things are cooling off.

 

When I say "calm" in relation to Kilauea I mean there is less chance of a large explosive eruption such as happened there several times on millennial scale.

Lava leakage continues in East Rift Zone (an even more frequent event) and has destroyed ~30 residences so far.

 

Submarine landslides are very important remodelers, especially though tsunamis. Out of the (human) public eye and examined closely only in recent decades.

Steep landforms are pretty much required. Hawaii checks that box mostly because of depth of sea floor there. Mtns are tall above sea level but much more so below.

 

Steam-driven ash flights moved things to code red a few days ago. 'Repaving' continues in Leilani and nearby. See video below for nope nope nope view into crater. Looks like a bunch of gold rings are being thrown in. But just not the right one...

https://volcanoes.usgs.gov/observatories/hvo/multimedia_uploads/multimediaFile-1973.mp4