Summary (tl;dr)

A meteor exploded off the coast of Massachusetts, creating a powerful sonic boom that was widely heard and felt across New England, prompting numerous calls to authorities and widespread online searches for an explanation.

Essential Background

Meteors, often small pieces of space rock, regularly enter Earth's atmosphere. Most burn up harmlessly, but larger ones, known as bolides, can generate intense flashes of light and powerful shockwaves as they fragment or explode due to friction with the air, creating a "sonic boom." These sonic booms can be strong enough to rattle windows and shake homes, often leading residents to believe they have heard an explosion or felt an earthquake.

The Full Story

On Saturday afternoon, a loud boom startled residents across Massachusetts, Rhode Island, and parts of New Hampshire, leading to a surge in Google searches for terms like "meteor boston," "sonic boom," and "boston explosion." Satellite data, including from the GOES-19 GLM, detected a significant atmospheric flash east of Boston at approximately 2:11 PM EDT, which meteorologists quickly identified as consistent with a large bolide or meteor entering and exploding in the atmosphere. NASA confirmed that the meteor fragmented at an altitude of about 40 miles over northeastern Massachusetts and southeastern New Hampshire, releasing energy equivalent to roughly 300 tons of TNT, which explains the widespread loud noise. There were no reports of lightning or earthquake activity at the time, ruling out other initial theories.

Why It Matters

The event caused significant public concern and curiosity, leading to a flurry of 911 calls and social media activity as people sought to understand the origin of the powerful boom and shaking. While no damage or public safety threats were reported, the incident highlights the dramatic effects that atmospheric meteor events can have, generating sounds and sensations that can be easily mistaken for other impactful occurrences like explosions or earthquakes. It also underscores the role of satellite technology and meteorologists in quickly identifying and explaining such natural phenomena.

Geographic Location

• Off the coast of Massachusetts, United States (meteor explosion and sonic boom origin)
• Cape Cod Bay, Massachusetts, United States (likely location of atmospheric breakup)
• Northeastern Massachusetts, United States (meteor fragmentation occurred)
• Southeastern New Hampshire, United States (meteor fragmentation occurred)
• Boston, Suffolk County, Massachusetts, United States (loud boom widely heard and felt)
• Across Massachusetts, United States (loud boom heard and felt)
• Rhode Island, United States (loud boom heard and felt)
• New England, United States (loud boom heard and felt)