{"id":1336,"date":"2026-05-29T13:34:41","date_gmt":"2026-05-29T13:34:41","guid":{"rendered":"https:\/\/scottsdalemovinghub.com\/?p=1336"},"modified":"2026-05-29T13:34:41","modified_gmt":"2026-05-29T13:34:41","slug":"mysterious-rattling-in-south-carolina-wasnt-an-earthquake-it-was-a-sonic-boom-with-an-unknown-cause","status":"publish","type":"post","link":"https:\/\/scottsdalemovinghub.com\/?p=1336","title":{"rendered":"Mysterious rattling in South Carolina wasn&#8217;t an earthquake \u2014 it was a sonic boom with an unknown cause"},"content":{"rendered":"<div>\n<div>\n<p>COLUMBIA, S.C. \u2014 The revelation that a mysterious rumble heard across South Carolina Thursday night was a sonic boom, rather than an earthquake, has left more questions than answers.\u00a0<\/p>\n<p>Read more <a href=\"https:\/\/scottsdalemovinghub.com\/?p=1334\">What we know and don\u2019t know about the possible deal to end the Iran war<\/a><\/p>\n<\/p><\/div>\n<div>\n<p>Thursday evening, residents of the South Carolina Midlands felt a strong rumble and thought it was a powerful earthquake \u2014 which is already a rare occurrence in the state.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>South Carolina regularly gets small earthquakes, with about 10 to 15 recorded each year by state seismologists. Most of those are below magnitude 3, and can&#8217;t even be felt by people.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>But Thursday was different.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>Hundreds of reports of a &#8220;boom&#8221; came in just before 5:30 p.m., with some coming in from several areas, including Irmo, Sumter and even Florence. At least some reports suggested that the incident shook their roofs, and multiple recordings shared with News19 show the camera physically jolting in response to the powerful sound and vibration.<\/p>\n<\/p><\/div>\n<div>\n<p>News19 contacted several agencies, including the South Carolina Emergency Management Agency, the American Meteor Society and NASA. At the time, no agency had a definitive answer regarding the incident.<\/p>\n<\/p><\/div>\n<div>\n<p>However, around 7:30 p.m., the U.S. Geological Survey, which had not reported an earthquake in the area, issued a special notice about a &#8220;sonic boom&#8221; in the area. The USGS added that its equipment is not calibrated to measure the magnitude of such an event, so it was given a magnitude of 0.0.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>However, dozens of people across a wide area had already reported the incident through the agency&#8217;s self-reporting tools.<\/p>\n<\/p><\/div>\n<div>\n<p>The notice didn&#8217;t elaborate on what may have caused this boom. Sonic booms are caused by a shock wave when an object passes the speed of sound, which the U.S. Air Force states is about 750 miles per hour at sea level.<\/p>\n<p>Read more <a href=\"https:\/\/scottsdalemovinghub.com\/?p=1332\">Man convicted in 2015 Scottsdale woman\u2019s murder sentenced in sexual assault, burglary case<\/a><\/p>\n<\/p><\/div>\n<div>\n<p>South Carolina is home to a number of military installations, including Fort Jackson, the Army&#8217;s largest basic training center, and a joint Navy-Air Force base.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>It&#8217;s also home to Shaw Air Force Base, which is the home of the 20th Fighter Wing. That wing is the largest combat-ready group of F-16 fighter jets in the Air Force.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>F-16 jets are the most common plane in the U.S. military, and are more than capable of breaking the sound barrier with a top speed surpassing Mach 2 (approximately 2x the speed of sound).\u00a0<\/p>\n<\/p><\/div>\n<div>\n<h3>What is a sonic boom?<\/h3>\n<\/p><\/div>\n<div>\n<p>A sonic boom is, as the name suggests, a loud booming sound similar to thunder. It&#8217;s produced by the shock waves when an object, such as a spacecraft or plane, reaches and surpasses the speed of sound.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>As an aircraft moves through the air, it pushes the air out if its way incredibly quickly, creating waves of pressure that ripple out at the speed of sound \u2014 around 767 mph. When a plane flies faster than those pressure waves, it effectively outruns its own sound.\u00a0<\/p>\n<\/p><\/div>\n<div>\n<p>The pressure waves then pile up and compress, creating a large cone-shaped shock wave. When that cone passes over an area, it releases a massive blast of sound and pressure strong enough to rattle buildings and shatter glass.\u00a0<\/p>\n<p>Read more <a href=\"https:\/\/scottsdalemovinghub.com\/?p=1330\">Republican attorney general candidates clash turns messy in a heated Arizona debate<\/a><\/p>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>COLUMBIA, S.C. \u2014 The revelation that a mysterious rumble heard across South Carolina Thursday night was a sonic boom, rather than an earthquake, has left more questions than answers.\u00a0 Read more What we know and don\u2019t know about the possible deal to end the Iran war Thursday evening, residents of the South Carolina Midlands felt [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1335,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nation-world"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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