16/1/22 eruption: 15/1/22 20:24 utc 04:24 (utc+8) 20.5S 175.4W Or 04:15 from CTBTO various tweets around the world: howick NZ UTC+13 7~8 pm utc 0600~0700? Invercargill NZ 8:30 pm 07:30 utc moscow utc+3 21:30 18:30 utc? tokyo utc+9 8:30 pm 11:30 utc 7904 km hong kong utc+8 8:30 pm 12:30 utc 9050 km hkkt 12:21-25 utc satellite from hko 12:30 pm North NZ 06:30 pm 07:30 utc germany utc+1 22:00 21:00 utc 240m/s https://maps.sensor.community/#2/ @metservice @pa3weg USGS weathernews jp reports： https://weathernews.jp/s/topics/202201/170085/ https://weathernews.jp/s/topics/202201/160175/ https://www.youtube.com/watch?v=p1S1qF_huBE&t=3s https://youtu.be/OP5nUUB6zN8 https://www.youtube.com/watch?v=GBOYmdftX3o speed of sound: 1234.8 km/h HKO monitors earthquakes using the Hong Kong Seismograph Network and analyses the seismic data to determine parameters for earthquakes of local magnitude (ML) 1.5 or above, within 200 km of the HKO Headquarters (latitude 22° 18’ N, longitude 114° 1...