Satellite and remote geophysical data show signs of unrest at Ahyi Seamount, Northern Mariana Islands, prompting the USGS to raise the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory on November 28, 2022.
After reports of increased seismicity and light emissions at Pagan volcano, Mariana Islands1 at the end of July 2021, low-level volcanic gas and ash emissions were observed on September 1, prompting NMI/USGS to raise the Aviation Color Code to Orange and the Volcano…
Local residents are reporting increased seismicity and light emissions from Pagan volcano, Northern Mariana Islands, prompting NMI/USGS to raise the Aviation Color Code to Yellow. The last eruption of this volcano took place in 2012 (VEI 2). Ground-based…
A deep earthquake registered by the USGS as M6.2 hit the Pagan region, Northern Mariana Islands at 21:08 UTC on June 13, 2020 (07:08 LT, June 14). The agency is reporting a depth of 614 km (381 miles). EMSC is reporting M6.1 at a depth of 590 km (366 miles). This…
Typhoon "Fengshen" underwent rapid intensification on November 15, 2019. Typhoon warnings remain in effect for Agrihan, Pagan, and Alamagan in the Northern Mariana Islands. According to Joint Typhoon Warning Center's (JTWC) warning issued at 15:00 UTC,…
A deep earthquake registered by the USGS as M6.4 hit the Northern Mariana Islands at 15:51 UTC on June 28, 2019. The agency is reporting a depth of 460 km (285 miles). EMSC is reporting M6.4 at a depth of 453 km (281 miles). The epicenter was located 536 km (333…
At least one person has been killed in Saipan and many others injured after Category 5 Super Typhoon "Yutu" made landfall in the Northern Mariana Islands early Thursday (local time), October 25, 2018. The storm left extensive damage and set the scale for…
The center of Category 5 Super Typhoon "Yutu" moved over the Northern Mariana Islands between 14:00 and 17:00 UTC on October 24, 2018, with maximum sustained winds of 290 km/h (180 mph) and gusts to 350 km/h (220 mph). Although the region is reasonably…
Typhoon "Mangkhut" is dropping heavy rain and producing wind gusts of up to 204 km/h (126 mph) across Northern Marianas and Guam on September 10. The storm is heading westward towards the northern Philippines and Taiwan and is forecast to reach a Super…
A strong and shallow earthquake registered by the USGS as M6.4 hit Anatahan region, Northern Mariana Islands at 22:35 UTC on August 28, 2018. The agency is reporting a depth of 59.9 km (37.2 miles). EMSC is reporting Mw6.4 at a depth of 80 m (49 miles). This…
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