{"id":61081,"date":"2026-04-20T04:38:17","date_gmt":"2026-04-20T08:38:17","guid":{"rendered":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/japan-hit-by-7-4-magnitude-earthquake-as-iran-us-tensions-escalate\/61081\/"},"modified":"2026-04-20T04:38:17","modified_gmt":"2026-04-20T08:38:17","slug":"japan-hit-by-7-4-magnitude-earthquake-as-iran-us-tensions-escalate","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/japan-hit-by-7-4-magnitude-earthquake-as-iran-us-tensions-escalate\/61081\/","title":{"rendered":"Japan Hit by 7.4 Magnitude Earthquake as Iran-US Tensions Escalate"},"content":{"rendered":"<h2>Key Takeaways<\/h2>\n<ul>\n<li><strong>A magnitude 7.4 earthquake struck off the east coast of Honshu, Japan,<\/strong> triggering tsunami warnings for Iwate and Hokkaido with waves reaching 40cm at Miyako Harbour.<\/li>\n<li><strong>Iran has declared a &quot;warlike situation&quot; in the Strait of Hormuz,<\/strong> claiming its missile arsenal is fully rebuilt and warning that maritime traffic cannot return to normal following a reported US commando attack on a commercial vessel.<\/li>\n<li><strong>Google (<a href=\"\/stock\/GOOGL\">GOOGL<\/a>) is reportedly in talks with Marvell Technology (<a href=\"\/stock\/MRVL\">MRVL<\/a>)<\/strong> to develop new custom AI chips specifically for inference, signaling a deepening of their hardware partnership.<\/li>\n<li><strong>Toyota (<a href=\"\/stock\/TM\">TM<\/a>) and CATL have entered a strategic partnership<\/strong> to manufacture hybrid car batteries, aiming to solidify supply chains for the transition to electrified vehicles.<\/li>\n<\/ul>\n<h2>Japan Rocked by Major Quake and Tsunami Warnings<\/h2>\n<p>A powerful <strong>magnitude 7.4 earthquake<\/strong> struck off the Sanriku coast of Japan at a shallow depth of <strong>10km<\/strong>, sending strong tremors through Tokyo and the northeastern regions. The <strong>Japan Meteorological Agency<\/strong> issued immediate tsunami warnings for <strong>Iwate and Hokkaido<\/strong>, with initial expectations of waves as high as <strong>3 meters<\/strong>.<\/p>\n<p>As of 8:29 AM UTC, a <strong>40cm tsunami<\/strong> has already reached <strong>Miyako Harbour<\/strong> in Iwate Prefecture. <strong>Hokkaido Electric Power<\/strong> reported no abnormalities at its nuclear or thermal power plants, though authorities continue to monitor infrastructure for structural damage.<\/p>\n<h2>Iran Signals &quot;Warlike Situation&quot; in Strait of Hormuz<\/h2>\n<p>Geopolitical tensions have surged as <strong>Iran&#39;s Foreign Ministry<\/strong> spokesperson, Baghaei, stated that unilateral normalization of traffic in the <strong>Strait of Hormuz<\/strong> is impossible. Tehran cited a <strong>&quot;warlike situation&quot;<\/strong> involving alleged US ceasefire violations and threats to Iranian ports.<\/p>\n<p>The escalation follows reports from the <strong>Khatam al-Anbiya Headquarters<\/strong> regarding a US commando attack on an Iranian commercial ship. In response, Iran claims it has <strong>rebuilt its missile arsenal<\/strong> faster than anticipated and maintains that its <strong>nuclear achievements and defense capabilities<\/strong> are strictly non-negotiable.<\/p>\n<h2>Tech and Auto: Google-Marvell AI Talks and Toyota Battery Deal<\/h2>\n<p>In the technology sector, Alphabet&#39;s <strong>Google (<a href=\"\/stock\/GOOGL\">GOOGL<\/a>)<\/strong> is reportedly negotiating with <strong>Marvell Technology (<a href=\"\/stock\/MRVL\">MRVL<\/a>)<\/strong> to design new <strong>AI inference chips<\/strong>. This move highlights the industry&#39;s shift toward specialized silicon to handle the massive computational demands of large language models.<\/p>\n<p>Simultaneously, <strong>Toyota (<a href=\"\/stock\/TM\">TM<\/a>)<\/strong> has secured a partnership with Chinese battery giant <strong>CATL<\/strong> to produce batteries for hybrid vehicles. The collaboration is expected to accelerate Toyota&#39;s hybrid rollout as the company balances its portfolio between traditional internal combustion engines and full electrification.<\/p>\n<h2>Macroeconomic and Regional Developments<\/h2>\n<p>In Europe, <strong>Bulgaria&#39;s<\/strong> parliamentary elections concluded with a victory for the Kremlin-friendly former President <strong>Radev<\/strong>, potentially shifting the country&#39;s alignment within the EU. Meanwhile, <strong>Switzerland&#39;s total sight deposits<\/strong> fell to <strong>453.6 billion CHF<\/strong> for the week ending April 17, down from 461.3 billion CHF, reflecting a tightening of liquidity in the Swiss banking system.<\/p>\n<p>Market participants are closely watching the <strong>Strait of Hormuz<\/strong> for potential disruptions to global oil supply, which could lead to increased volatility in energy futures. The combination of natural disasters in Japan and military posturing in the Middle East has placed global risk management at the forefront of the week&#39;s trading session.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways A magnitude 7.4 earthquake struck off the east coast of Honshu, Japan, triggering tsunami warnings for Iwate and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":50383,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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