{"version":"1.0","provider_name":"Napoli Sotterranea","provider_url":"https:\/\/www.napolisotterranea.org\/en\/","author_name":"Pubbli &amp;Rolando","author_url":"https:\/\/www.napolisotterranea.org\/en\/author\/autorepubblierolando-it\/","title":"How Does a Seismograph Work - Napoli Sotterranea","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"cxpQv2Kqso\"><a href=\"https:\/\/www.napolisotterranea.org\/en\/how-does-a-seismograph-work\/\">How Does a Seismograph Work<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.napolisotterranea.org\/en\/how-does-a-seismograph-work\/embed\/#?secret=cxpQv2Kqso\" width=\"600\" height=\"338\" title=\"&#8220;How Does a Seismograph Work&#8221; &#8212; Napoli Sotterranea\" data-secret=\"cxpQv2Kqso\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.napolisotterranea.org\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.napolisotterranea.org\/wp-content\/uploads\/2023\/11\/app-terremoti-1.jpg","thumbnail_width":796,"thumbnail_height":438,"description":"A seismograph is a scientific instrument used to record and measure seismic waves generated by earthquakes or other sources of vibration, such as explosions. Its main purpose is to record ground movements in response to these seismic waves. These recordings provide valuable data that helps researchers understand the location, magnitude, and depth of an earthquake."}