Japan on High Alert: Seismic Agency Warns of Potential 'Second Gigantic Quake' Following Major Tremor

bbc.com · 2026-04-20
Japan on High Alert: Seismic Agency Warns of Potential 'Second Gigantic Quake' Following Major Tremor

Japan's Meteorological Agency (JMA) has issued a heightened alert, warning of the possibility of a significantly stronger earthquake occurring within the next week, following a powerful initial tremor that struck the nation's western coast. The initial quake triggered a tsunami warning, which has since been downgraded, but the JMA's assessment of ongoing seismic instability has amplified concerns. Drawing on historical data, particularly the devastating impacts of secondary quakes in past Japanese disasters like Kobe and Tohoku, the agency emphasizes the potential for a "second gigantic quake." The government has mobilized disaster response teams, intensified public preparedness campaigns, and is conducting infrastructure checks. While precise earthquake prediction remains a scientific challenge, Japan's advanced monitoring systems and commitment to public safety are central to its strategy. The nation braces for potential further seismic activity, emphasizing vigilance and resilience.