Volcanic (Hunga Tonga-Hunga Ha'apai) eruption in Tonga, near Nuku'alofa

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In summary, there was an eruption from the Hunga Ha'apai volcano in 2009, which created an island 63 kilometres north of Nuku'alofa. This eruption went unnoticed until a fisherman reported it on December 19, 2009, and it may have been ongoing for more than a week. The eruption was not widely publicized, but it was captured in a cool video and can be viewed on Google Earth. However, the eruption did not cause any significant changes to the surrounding reef structures.
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Astronuc
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The same volcano which erupted out of the Pacific Ocean, 63 kilometres north of Nuku'alofa in 2009, creating an island. We somehow missed this in 2009.
http://en.wikipedia.org/wiki/Hunga_Tonga
http://en.wikipedia.org/wiki/2009_Tonga_undersea_volcanic_eruption
17px-WMA_button2b.png
20°34′S 175°23′W / 20.57°S 175.38°Whttp://www.stuff.co.nz/world/south-pacific/64548453/Big-volcanic-eruption-near-Tongas-capital
http://matangitonga.to/2014/12/30/hunga-haapai-eruption-continues

http://volcano.si.edu/volcano.cfm?vn=243040

It looks like that island, or volcano, is getting bigger.

http://www.vulkaner.no/v/volcan/submarin/hunga.html
Cool video of 2009 eruption.
 
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  • #2
Time to crank up "historical imagery" in Google Earth.
 
  • #3
Known as the Hunga Ha'apai volcano, Matangi Tonga says it may have been erupting for more than a week.
I didn't know volcano eruptions could happen without anyone noting it for a week.
 
  • #4
mfb said:
I didn't know volcano eruptions could happen without anyone noting it for a week.

It was noted by locals , obviously just not widely publicised

Known as the Hunga Ha'apai volcano, Matangi Tonga says it may have been erupting for more than a week.
The eruption was first reported by a fisherman who came back from the area on December 19, according to the Deputy Secretary of Lands and Natural Resources, Taniela Kula.

my bold
 
  • #5
Looked it over with Google Earth just for a "big picture" context of a major geological event; floods and landslides make obvious major changes when comparing photos from different dates, so this should be dramatic, right? Got a couple photos of "steam" from fissures drifting downwind that look like a smoldering dump fire, no dramatic change of reef structures. This is a little bitty event.
 

Related to Volcanic (Hunga Tonga-Hunga Ha'apai) eruption in Tonga, near Nuku'alofa

1. What caused the volcanic eruption in Tonga near Nuku'alofa?

The volcanic eruption near Nuku'alofa was caused by the movement of the Pacific and Australian tectonic plates. These plates create a subduction zone where the Pacific plate is forced under the Australian plate, leading to the formation of magma chambers and volcanic activity.

2. Is the volcanic eruption ongoing?

As of now, the volcanic eruption has stopped. However, there is still a possibility of new eruptions occurring in the future due to the ongoing tectonic activity in the area.

3. What are the potential hazards of the volcanic eruption?

The volcanic eruption can lead to various hazards such as pyroclastic flows, ash fall, and lava flows. These hazards can cause damage to property and pose a threat to human life. Additionally, the ash fall can also affect air quality and cause respiratory issues.

4. How does the volcanic eruption in Tonga impact the environment?

The volcanic eruption in Tonga can have both positive and negative impacts on the environment. On one hand, the ash and lava flow can damage vegetation and wildlife in the immediate vicinity of the eruption. On the other hand, the volcanic ash can enrich the soil and make it more fertile, benefiting plant growth in the long run.

5. What are the measures being taken to monitor the volcanic eruption?

The eruption is being closely monitored by scientists and experts using various techniques such as satellite imagery, seismic monitoring, and gas measurements. This allows for early detection of any potential hazards and helps in issuing timely warnings to the local population.

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