{"id":3332,"date":"2026-02-25T15:00:00","date_gmt":"2026-02-25T06:00:00","guid":{"rendered":"https:\/\/www.pro-7.co.jp\/en\/?post_type=disaster-prevention&#038;p=3332"},"modified":"2026-02-25T11:51:19","modified_gmt":"2026-02-25T02:51:19","slug":"surprising-facts-about-earthquake-shaking-and-safe-behavior-during-an-earthquake","status":"publish","type":"disaster-prevention","link":"https:\/\/www.pro-7.co.jp\/en\/disaster-prevention\/surprising-facts-about-earthquake-shaking-and-safe-behavior-during-an-earthquake\/","title":{"rendered":"&#8220;Surprising Facts About Earthquake Shaking&#8221; and Safe Behavior During an Earthquake"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"738\" src=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/0805e6d284fe611d3ace8d69bf2917ad-1024x738.jpg\" alt=\"earthquake \" class=\"wp-image-3333\" style=\"aspect-ratio:1.3876221498371335;width:254px;height:auto\" srcset=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/0805e6d284fe611d3ace8d69bf2917ad-1024x738.jpg 1024w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/0805e6d284fe611d3ace8d69bf2917ad-300x216.jpg 300w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/0805e6d284fe611d3ace8d69bf2917ad-768x554.jpg 768w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/0805e6d284fe611d3ace8d69bf2917ad-1536x1107.jpg 1536w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/0805e6d284fe611d3ace8d69bf2917ad.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Earthquake shaking is commonly described in <strong>three stages<\/strong>. Understanding these stages helps you make steady, practical decisions without relying on guesswork.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The intensity and duration of the shaking<\/strong><\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. <strong>&#8220;Initial Tremors&#8221;<\/strong> <strong>(Foreshocks)<\/strong> <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These are the first faint vibrations that are felt before the main earthquake. They are typically caused by the initial rupture of the fault line.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Note: <strong>Not all earthquakes have foreshocks.<\/strong> When they happen, timing can vary from minutes to days before the mainshock.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u261d\ufe0fKey Point: Initial tremors are <strong>a cue to be ready<\/strong>, not a prediction tool. Continue daily activities with awareness.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2. <strong>&#8220;Main shock&#8221;<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This is the strongest earthquake in a sequence of earthquakes. It is caused by the largest release of energy from the fault line.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u261d\ufe0fKey Point: A simple, repeatable action &#8211; <strong>Drop, Cover, Hold On<\/strong> &#8211; is the safest default in most indoor settings.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3. <strong>&#8220;Aftershock&#8221;<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These are smaller earthquakes that occur after the mainshock. They are caused by the continued movement of the fault line as it adjusts to the stress caused by the mainshock<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u261d\ufe0fKey Point: Aftershocks can affect <strong>already\u2011weakened items and structures<\/strong>. Move carefully and reassess your surroundings.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Safe Behavior During an Earthquake<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Upon feeling tremors, prioritize your safety immediately<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Seek shelter under sturdy furniture, such as a table, for protection.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Move away from windows and furniture to avoid potential hazards.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Refrain from rushing outside in a panic.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>In the event of a tsunami warning, evacuate to higher ground promptly.<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"504\" src=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/DropCoverHoldon-1024x504.jpg\" alt=\"Person performing Drop, Cover, and Hold On under a sturdy table\" class=\"wp-image-3338\" style=\"width:593px;height:auto\" srcset=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/DropCoverHoldon-1024x504.jpg 1024w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/DropCoverHoldon-300x148.jpg 300w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/DropCoverHoldon-768x378.jpg 768w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/DropCoverHoldon-1536x756.jpg 1536w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/DropCoverHoldon.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Earthquake Safety Tips<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>If indoors:<\/strong>&nbsp;Drop, Cover, and Hold On under sturdy furniture (e.g., table) and stay away from windows and hanging objects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>If outdoors:<\/strong>&nbsp;Move to an open area away from buildings, trees, and power lines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>If driving:<\/strong>&nbsp;Pull over safely to the side of the road and stay inside your vehicle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>If high-rise:<\/strong> Expect longer shaking; avoid elevators until cleared by officials.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>After the shaking stops:<\/strong>&nbsp;Check for injuries and be prepared for aftershocks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Evacuate:<\/strong>&nbsp;Only evacuate if instructed to do so by officials or if there is a risk of a tsunami.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"400\" height=\"265\" src=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/tunami.png\" alt=\"The place after tsunami hit \" class=\"wp-image-3339\" srcset=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/tunami.png 400w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/09\/tunami-300x199.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Tsunami Warning<\/strong><\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">If you hear a tsunami warning, evacuate immediately to higher ground.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not wait for the shaking to stop. <\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-e58c6fcba2494f9e302d34246c588346 wp-block-paragraph\"><strong>Tsunamis can arrive VERY quickly after an earthquake.<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/05\/a916be464c9c8bdfa1e2273575e76a69.png\" alt=\"evacuation to the higher ground to escape from tsunami \" class=\"wp-image-1892\" style=\"width:251px;height:auto\" srcset=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/05\/a916be464c9c8bdfa1e2273575e76a69.png 400w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/05\/a916be464c9c8bdfa1e2273575e76a69-300x300.png 300w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/05\/a916be464c9c8bdfa1e2273575e76a69-150x150.png 150w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Earthquake Preparedness Measures<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Secure Furniture to Prevent Toppling<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Establish Family Communication Plan for Earthquakes<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00b7<strong>Prepare Emergency Supplies<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/04\/PRO00012-10.jpg\" alt=\"Bookshelf fixed to wall to prevent toppling during earthquakes\" class=\"wp-image-1360\" style=\"width:312px;height:auto\" srcset=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/04\/PRO00012-10.jpg 800w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/04\/PRO00012-10-300x300.jpg 300w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/04\/PRO00012-10-150x150.jpg 150w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2024\/04\/PRO00012-10-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Metal Fittings against Seismic Shock<\/figcaption><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-midnight-gradient-background has-background wp-element-button\" href=\"https:\/\/www.pro-7.co.jp\/en\/products\/cabinet-metal-fitting\/\">Anti-Tip Metal Bracket with Gel pads<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-9a1ee0822bf58368994ca91c3108c2de wp-block-paragraph\"><strong>Spring Sale: Special Offers Available!<\/strong>\u3000<strong>Untill 31 March&#8230;.<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-midnight-gradient-background has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/pro-7.shop-pro.jp\/\">Pro7 official online shop<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-midnight-gradient-background has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.pro-7.co.jp\/en\/now-you-can-shop-with-proseven-online-shop-from-anywhere-in-the-world\/4100\/\">How to order from overseas<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>FAQ<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<ul class=\"wp-block-list\">\n<li>Q1. <strong>Are doorways the safest place?<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Not in most modern buildings. <strong>Drop, Cover, and Hold On<\/strong> under sturdy furniture provides better protection from falling objects.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Q2. <strong>How long do aftershocks last?<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">They may continue for <strong>days to months<\/strong>, generally decreasing over time. Remain prepared for additional shaking.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Q3. <strong>Should I go outside during shaking?<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">No. Shelter where you are. Exit <strong>after<\/strong> shaking stops, checking for hazards.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Q4. <strong>What if I smell gas?<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Turn off the gas <strong>only if you suspect a leak and know how to do it safely<\/strong>. Avoid open flames and electrical switches. Ventilate\/evacuate and contact the gas company or emergency services.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"360\" height=\"640\" src=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2025\/09\/1761905_s.jpg\" alt=\"after earthquake \" class=\"wp-image-4083\" style=\"aspect-ratio:0.5624957977543199;width:243px;height:auto\" srcset=\"https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2025\/09\/1761905_s.jpg 360w, https:\/\/www.pro-7.co.jp\/en\/wp-content\/uploads\/2025\/09\/1761905_s-169x300.jpg 169w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"featured_media":1364,"parent":0,"menu_order":0,"template":"","disaster-prevention_category":[66],"class_list":["post-3332","disaster-prevention","type-disaster-prevention","status-publish","has-post-thumbnail","hentry","disaster-prevention_category-useful-tips-for-disaster-preparedness"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Earthquake shaking often occurs in three stages - initial tremors, mainshock, and aftershocks. 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