Friday Eruption Update for September 23, 2011: Cleveland, El Hierro, Etna and more
Quick update for late on Friday - much more to say on Monday. I promise. Really.
Anyway, some brief news:
Alaska: The dome is continuing to grow at Cleveland in Alaska - and we now have some images of the dome growing in the crater (see top left). Right now the concern is what happens if/when the dome grows large enough to spill out the crater. The likely result is the generation of block-and-ash flows as the dome collapses gravitationally. If that happens, there might be more explosive eruptions that accompany the collapse as the pressure is released on the vent. Needless to say, AVO is keeping a close watch on the growth of the dome.
Global Volcanism Program: If you really want to catch up on this week's volcano news, be sure to check out the new USGS/Smithsonian GVP Weekly Volcanic Activity. It does have updates from places like Bezymianny, Sakurajima and Fuego.
Canary Islands: The local authorities at El Hierro have raised the alert status to yellow based on increased seismicity - both in terms of number of earthquakes and intensity, some earthquakes as large as M3. This new level of alert (spanish) means that the government of the island will release regular updates on the activity and make sure that appropriate emergency measures are in place.
Odds and ends: Looks like there has been a lot of activity at Pu`u O`o on Kilaeau this week - check out Hawaii 24/7's update on all the activity that has images and video. Etna also experienced another paroxysm on Monday - the 14th of the year - and INGV has some information on it. Finally, although the alert status at Taal might have been lowered, there is still some low level seismicity at the Philippine caldera as well, but much like Mayon and Bulusan, none of the earthquakes seem to suggest eruptions are imminent.
Upstreamism advocate Rishi Manchanda calls us to understand health not as a "personal responsibility" but a "common good."
- Upstreamism tasks health care professionals to combat unhealthy social and cultural influences that exist outside — or upstream — of medical facilities.
- Patients from low-income neighborhoods are most at risk of negative health impacts.
- Thankfully, health care professionals are not alone. Upstreamism is increasingly part of our cultural consciousness.
The Bajau people's nomadic lifestyle has given them remarkable adaptions, enabling them to stay underwater for unbelievable periods of time. Their lifestyle, however, is quickly disappearing.
- The Bajau people travel in small flotillas throughout the Phillipines, Malaysia, and Indonesia, hunting fish underwater for food.
- Over the years, practicing this lifestyle has given the Bajau unique adaptations to swimming underwater. Many find it straightforward to dive up to 13 minutes 200 feet below the surface of the ocean.
- Unfortunately, many disparate factors are erasing the traditional Bajau way of life.
We explore the history of blood types and how they are classified to find out what makes the Rh-null type important to science and dangerous for those who live with it.
- Fewer than 50 people worldwide have 'golden blood' — or Rh-null.
- Blood is considered Rh-null if it lacks all of the 61 possible antigens in the Rh system.
- It's also very dangerous to live with this blood type, as so few people have it.
An innovation may lead to lifelike evolving machines.
- Scientists at Cornell University devise a material with 3 key traits of life.
- The goal for the researchers is not to create life but lifelike machines.
- The researchers were able to program metabolism into the material's DNA.
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