The USGS Hawaiian Volcano Observatory (HVO) recorded a shallow M4.4 earthquake beneath Mauna Kea's northwest flank at 19:27 UTC (09:27 HST) on Monday, December 14, 2020. The epicenter was located about 20 km (12 miles) SE of Waimea, and 52 km (32 miles) WNW of…
A strong earthquake registered by the USGS as M6.0 hit the Chile-Bolivia border region at 15:20 UTC on December 14, 2020. The agency is reporting a depth of 110 km (68 miles). EMSC is reporting M6.0 at a depth of 111 km (69 miles). The epicenter was located 75 km…
An intense low-pressure trough off the coast of southeast Australia has brought torrential rains, floods, damaging winds, and dangerous waves to southeast Queensland and northern New South Wales over the weekend, with authorities describing the impacts as similar to…
Increased activity has been observed at Guatemala's Santiaguito volcano over the past couple of days, characterized by pyroclastic flows and strong ashfall which engulfed areas in Finca Montebello, Loma Linda, and San Marcos Palajunoj. Volcanic activity at the…
Tropical Cyclone "Yasa" formed on December 12, 2020, as the first named storm of the 2020/21 South Pacific Ocean cyclone season. The current forecast track takes Yasa over Viti Levu, Fiji on December 17, with maximum sustained winds between 165 km/h (100…
A major winter storm is expected to impact portions of the Mid-Atlantic and New England Wednesday into Thursday, December 16 into 17, 2020, as a nor'easter develops and lifts up the Mid-Atlantic Coast, NWS WPC warns. Heavy snow is expected near and north of the…
A strong explosive eruption started at Etna volcano on December 13, 2020, ejecting volcanic ash up to 4.8 km (16 000 feet) above sea level by 23:00 UTC. The Aviation Color Code was raised to Red. Monitoring networks observed increased strombolian activity at the SE…
Two small earthquakes were registered near New Zealand's Mount Taranaki this week– weak and shallow M3.2 on December 8, 2020, and M1.6 on December 11. According to GeoNet, earthquakes near the volcano are considered rare. The last eruption of this volcano took…
Seismic activity increased on Mauna Loa's northwest flank on December 4, 2020, with M4.1 earthquake and clusters of small, shallow earthquakes occurring closely in time and location. The volcano is not erupting but the rates of deformation and seismicity have…
A storm over the Southwest will move northeastward to the Great Lakes through the coming weekend, bringing severe thunderstorms to the Southern Plains and Lower Mississippi Valley, showers to the Lower/Mid-Mississippi Valley, and snow from the central Plains to…
