Tens of M4.5+ #earthquakes have occurred in the last few days near the #Izu islands, with a small 30 cm #tsunami observed after the largest M6.1 event. This region has known submarine #volcanoes, but no unusual volcanic activity has of yet been observed according to the local news.
#Tsunami advisory issued for #Izu Islands in #Japan due to 6.6 quake near #Torishima - those near coastal areas, rivers, and lakes should evacuate to higher ground immediately.