Observational data shows an increase in seismicity at Indonesia’s Dieng volcano, prompting the Indonesian Centre for Volcanology and Geological Hazard Mitigation (PVMBG) to raise the Alert Level from 1 to 2 (on a scale of 4) on January 13, 2023. The Dieng Volcanic Complex, which is made up of multiple stratovolcanoes and more than 20 small Pleistocene-to-Holocene craters, last erupted in April 2021 (VEI 1).
Tropical Cyclone “Irene” formed on January 18, 2023 north of New Caledonia as the 4th named storm of the 2022/23 Australian region cyclone season.
A strong and shallow earthquake registered by the USGS as M5.8 hit Turkey-Iran border region at 10:08 UTC on January 18, 2023. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M5.6 at a depth of 2 km (1.2 miles).
The Volcanology and Geological Disaster Mitigation Center (PVMBG) reported that beginning in July 2022, the seismic network at Ijen volcano in East Java, Indonesia began detecting increasing numbers of shallow volcanic earthquakes and earthquake signals characteristic of emissions, indicating increasing pressure at shallow depths within the hydrothermal system.
Intense strombolian activity continues at Villarrica volcano, Chile, with lava fountains reaching up to 150 m (490 feet) in height. The Alert Level remains at Yellow (the second lowest level on a four-color scale).
A very strong and shallow earthquake registered by the USGS hit the northern Molucca Sea, Indonesia at 06:06 UTC on January 18, 2023 (15:06 LT). The agency is reporting a depth of 48 km (29.8 miles). BMKG is reporting M7.1 at a depth of 64 km (39.7 miles); EMSC reporting M7.1 at a depth of 60 km (37.3 miles).
A strong earthquake registered by the USGS as M6.0 hit Sulawesi, Indonesia at 00:34 UTC on January 18, 2023 (08:34 LT). The agency is reporting a depth of 152.5 km (64.6 miles). EMSC is reporting M6.0 at a depth of 159 km (98.8 miles).
A powerful low pressure system, named Storm Gerard by Météo France, brought heavy rainfall, strong winds, and thunderstorms to northern and western France on Sunday, January 15, and Monday, January 16, 2023, resulting in significant weather-related incidents and causing casualties and damage. This is the 22nd named storm of the 2022/23 European windstorm season, including two ex-hurricanes (Danielle and Martin).
On January 16, 2023, Iowa experienced a rare meteorological event as two tornadoes touched down in the eastern part of the state, marking the first January tornadoes in Iowa in 56 years. According to the National Weather Service (NWS), the last time Iowa saw January tornadoes was in 1967 — with a total of 13 tornadoes during the month. While tornadoes are a relatively common occurrence in Iowa, with peak season typically taking place in May, January tornadoes are a rare phenomenon.
Heavy rains continue to cause massive flooding in various parts of the Philippines, leaving 29 people dead and affecting around 1.4 million people in 1 956 villages across 48 provinces.
