Activity of Rinjani, Turrialba, Santiaguito and dive in Papahanaumokuakea Marine National Monument.

Rinjani - ash emissions from November 1, 2015 - photo Rinjani trekker / Twitter

The activity of Rinjani volcano on Lombok island, has not waned in recent days. The ash plume spotted by local observers and VAAC Darwin, traveling to the west and the island of Bali, has disrupted flights and Ngurah Rai International airport.

This Tuesday, 3 October, it was closed from 7:30 to 11:30, affecting 11 international flights of Virgin Australia airlines, Cathay Pacific and KLM and nine domestic flights. The situation should be reviewed this November 4 with three closed airports: Ngurah Rai on Bali, Selaparang Airport on Lombok and Airport Blimbingsari in Banyuwangi, East Java.

On Lombok, seven villages north of the island, were covered with the ashes of Rinjani and BPDB - West Nusa Tenggara Disaster Mitigation AGENCY- has prepared some 4,000 dust masks and evacuation scenarios for areas affected.

Sources :

- Jakarta Post - link - link 2

- VAAC Darwin

- MODIS / Eodis

Panache of Rinjani on Lombok's (right) moves towards the neighboring island of Bali - 03/11/2015 Photo / EODIS

Volcanic ash advisory for Rinjani on 3 and 4 November 2015 - Doc. Darwin VAAC / IDD65305

Ashes of Rinjani - extension to 04/11/2015 13h - Doc. BMKG / sat Citra Himawari

Rinjani - eruptive plume of Barujari - 04.11.2015 / 7:30 loc.- LKAdam Photo / Twitter

The Comision Nacional de Emergencias, the RSN and Turrialba National Park have increased restrictions on access to natural park and established a "no-go zone" of five kilometers around the crater, following the intense activity of the past week with a rash every hour.

The alert remains at yellow and a zone with a radius of two kilometers is forbidden to visitors and residents, the area of three kilometers remaining is limited to farmers and rancheros having a property in this area and only accompanied by an employee of the Ministry of Agriculture.

The authorities began the evacuations of animals, estimated at a number of 279 for the 13 farms within a radius of 2 km. around the crater. The classes are regularly suspended in the school of La Central, on the slopes of Turrialba.

Sources:
- Tico Times
- Red Nacional Sismologica

The plume of Turrialba - 31.11.2015 - Photo by Ricardo Salazar Cartago

Turrialba November 1, 2015 / 1:07 p.m. - photo Gaspar Bufalo

Beautiful images of Santuiaguito / Guatemala by Gustavo Morales November 2

NOAA Ship Okeanos Mission conducted Explorer maps in the Papahanaumokuakea Marine National Monument, an area east of Pearl and Hermes in August 2015. An unnamed submarine volcano, already spotted by satellite bathymetry, was reviewed and confirmed by the bathymetry of underwater robots.

Its height exceeds of 2818 meters the seabed, plunging to less than 5,200 meters; its width is 14.8 km. following a NW-SE axis, and he have a form in cone or pyramid, with a well-defined peak.

Source :

2015 Hohonu Moana: Exploring Deep Waters off Hawaiʻi - link

Composite image showing the original Sandwell & Smith satellite-derived bathymetry data at the bottom, with the Okeanos Explorer EM302 multibeam bathymetry transit data further revealing this unnamed seamount overlain on top. The middle image is a top-down view of the bathymetry data showing the seamount, and the graph in the upper left corner shows the vertical profile of the seamount’s height relative to the seafloor. The map on the upper right shows the bathymetry of the Hawaiian Archipelago with the Papahānaumokuākea Marine National Monument boundary in white, and the location of the seamount circled in red.