Loud boom heard in Boston likely exploding meteor above ocean
Fuente: WBUR
On Saturday afternoon, residents across Greater Boston and surrounding regions were startled by a loud boom, a deep rumble, and noticeable shaking. The disturbance was first reported at approximately 2:11 p.m., according to meteorologist Danielle Noyes of 1 Degree Outside. The sudden and unsettling event prompted widespread concern among communities stretching from northern New England all the way south to Rhode Island, with many people taking to social media to report their experiences.
Authorities quickly ruled out an earthquake as the cause. The U.S. Geological Survey confirmed it had not detected any seismic activity at the time of the incident. However, weather radar equipment picked up a brief flash in an area of the sky where no thunderstorm activity was present. This unusual radar signature was a key clue pointing scientists and meteorologists toward an alternative and more dramatic explanation for the mysterious event.
The evidence gathered so far is consistent with a bolide — a type of meteor that enters Earth's atmosphere at high speed and explodes before reaching the ground. Such events can release enormous amounts of energy, generating powerful shockwaves that travel through the atmosphere and are felt as booms and vibrations on the surface below. Bolide events are relatively rare but not unheard of, and they can affect surprisingly large geographic areas when they occur.
Officially confirming the meteor theory, however, remains a complex process. A spokesperson at the National Weather Service indicated that responsibility for such confirmation lies with NASA rather than local agencies. While the radar evidence is suggestive, experts note that definitive proof may ultimately require the physical recovery of meteorite fragments — pieces of space rock that survived the explosion and fell to Earth, potentially landing in the ocean off the New England coast.
The event has drawn significant public interest and scientific curiosity. Meteorologist Noyes emphasized that while all available indicators point to a bolide, the lack of recovered debris means the case is not yet officially closed. Scientists will continue analyzing available data, and any fragments discovered in the future could provide the final confirmation needed to classify Saturday's dramatic event as a confirmed meteor explosion over the Atlantic Ocean near Boston.
Traducción al japonés
土曜日の午後、ボストン大都市圏および周辺地域の住民は、大きな爆発音と低い轟音、そして揺れに驚かされた。この騒動は気象学者ダニエル・ノイズによると午後2時11分頃に最初の報告が寄せられた。ニューイングランド北部からロードアイランド南部に至る広い範囲の住民がこの突然の出来事を体験し、多くがSNSで報告を投稿した。
当局はまず地震の可能性を否定した。米地質調査所は、事件発生時に地震活動を検知していなかったと確認した。しかし気象レーダーは、雷雨活動が確認されていない空域で瞬間的な発光を捉えていた。この異常なレーダー反応が、科学者や気象学者を別の劇的な説明へと導く重要な手がかりとなった。
これまでに集められた証拠は「火球」、すなわち高速で大気圏に突入して地面に達する前に爆発する流星の一種と一致している。こうした現象は膨大なエネルギーを放出し、大気中を伝わる強力な衝撃波を生み出す。火球の発生は比較的まれだが前例がなくはなく、発生した場合は驚くほど広い範囲に影響を与えることがある。
しかし、流星説を公式に確認するプロセスは複雑である。米国立気象局の担当者は、確認の責任は地元機関ではなくNASAにあると述べた。レーダーの証拠は示唆的ではあるが、専門家たちは最終的な証明には隕石の破片、つまりニューイングランド沖の海に落下した可能性がある宇宙岩の物理的な回収が必要かもしれないと指摘している。
この出来事は大きな社会的関心と科学的好奇心を呼んでいる。気象学者ノイズは、現在のすべての指標が火球を示しているものの、破片が回収されていないため事例はまだ公式に確定されていないと強調した。科学者たちはデータ分析を続けており、将来的に破片が発見されれば、土曜日の劇的な出来事をボストン沖の大西洋上空における確認済み流星爆発として分類する最終的な証拠となり得る。
Vocabulario clave
- bolidenoun
A large meteor that explodes in the Earth's atmosphere, often producing a bright flash and a loud sonic boom.
和訳: 火球(大気中で爆発する流星)
Astronomers tracked the bolide as it streaked across the night sky before disintegrating in a burst of light.
- seismic activitynoun
Movement or vibration within the Earth's crust, typically associated with earthquakes or underground disturbances.
和訳: 地震活動
The region has experienced increased seismic activity over the past decade, prompting new building regulations.
- radar signaturenoun
A distinctive pattern or signal detected by radar equipment that can indicate the presence or nature of a specific object or phenomenon.
和訳: レーダー上の反応・シグネチャー
The unusual radar signature over the mountain range suggested the presence of a large flock of birds rather than a storm.
- shockwavenoun
A sharp, intense pressure wave propagating through a medium such as air, caused by an explosion or a supersonic object.
和訳: 衝撃波
The shockwave from the industrial explosion shattered windows in buildings several kilometers away.














