A magnitude 7.4 earthquake struck northern Japan Monday, prompting the Japan Meteorological Agency (JMA) to issue a tsunami warning for waves up to three meters. An initial tsunami wave of 80 centimeters hit a port in Kuji shortly after, and the JMA warned that further, potentially larger waves were expected to strike repeatedly. Authorities urged immediate evacuation from coastal and riverside areas to higher ground, with the prime minister’s office establishing a crisis management team to assess potential casualties and property damage. The JMA also indicated a heightened risk of subsequent, larger earthquakes in the region.
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Following a magnitude 7.7 earthquake and subsequent tsunami off the coast of Iwate, authorities have issued a special advisory warning residents in 182 municipalities from Hokkaido to Chiba Prefecture to prepare for a potentially larger subsequent earthquake. While the possibility of massive earthquakes of magnitude 8 or stronger striking is higher than usual, the odds remain around 1%. Residents are urged to reconfirm their evacuation plans and remain on alert for more strong quakes over the next week, especially in the coming days.
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Japan has issued a tsunami warning, with initial estimates indicating maximum wave heights of up to 3 meters. The estimated arrival time for these waves along the coast was set for 5:30 PM Japan Standard Time. This announcement followed an earthquake that was felt across various parts of the country, including Tokyo, with some individuals in Shibuya reporting a distinct wobbling sensation even on higher floors. The immediate concern was the speed at which the potential threat could manifest, with some observations suggesting arrival times as short as five minutes from the time of the initial reports.
The gravity of such a warning, especially for those who have witnessed or researched past tsunami events, naturally leads to anxiety and a hope for the best-case scenario.… Continue reading
John Q. Hosedrinker 
Matt Underwood