Wednesday 27 March 2024 · moved the Index · regime
Baltimore bridge collapse
On 26 March 2024, the container ship Dali lost power and issued a mayday before colliding with the Francis Scott Key Bridge in Baltimore, Maryland, causing the 1.6-mile structure to collapse into the river. At least 6 people were missing in the water following the incident. The collision triggered a major rescue operation and became a significant public safety event.
Peak 615.2 on Wednesday 27 March 2024. The shaded band is the incident window.
Where the attention came from
Over the whole window this ran Public curiosity-led; on the peak day itself it read Mixed. When the two differ, the fast signals (social, news) spiked and faded while the slow ones (search, research) carried the tail. Mixed means no single signal dominated — the attention was spread across search, research, news and social. Social here is X alone — Bluesky only joins the series from July 2024 — so its level isn't directly comparable with today's series, though its share of this incident is real.
Bar = share of the extra attention over the whole window; the tick marks the share on the peak day alone, where the two differ.
How unusual it was
The #2 incident since 2020 by peak. Its peak day ranks #5 among all days — 4 days of Ever Given blocks the Suez Canal ran higher.
How far it spread
Spilled over — 3 of 6 vessel-type groups drew clearly more readers than usual.
The car-carrier multiple here is a measurement artefact: the underlying Wikipedia article carried a sustained surge of automated, non-human traffic from April 2023 that vanished overnight on 1 June 2024, so its lifts in that period do not reflect reader interest.
Readers here means readers of the Wikipedia article on each vessel type — the same source as the Research signal, not news coverage — so an incident can dominate the news without moving this panel. Bars start at 1× — normal readership for that vessel type, the weeks before the incident. Grey = no clear lift. "Over time" shows each group's daily readers through the window; "All 12 articles" breaks the six groups back into their members.
How it was framed the frame glossary →
Lead frame: human drama. Trade press was 2% of in-scope coverage — the story had left the trade press and gone mainstream. (Historical coverage is scored on headlines only.)
Acting, or acted upon
In 69% of coverage shipping was the thing acted upon rather than the actor.
How the coverage sounded
Coverage ran 74% negative overall; 33% strongly so.
Each article is scored on a five-step scale from strongly negative to strongly positive; the bar is the share of coverage at each step.
Sample of the headlines
- Francis Scott Key: Baltimore bridge collapses after container ship collidesapnews.com · 2024-03-26
- Baltimore bridge collapses after container ship collisionabc.net.au · 2024-03-27
- Baltimore bridge latest: Investigators retrieve container ship's data recorderbbc.com · 2024-03-27
- How a cargo ship collapsed the Baltimore key bridge in visualscnn.com · 2024-03-28
- Baltimore Bridge's Weight is Pinning Container Ship Dali to the Bottommaritime-executive.com · 2024-03-28
- The steel frame of the Francis Scott Key Bridge sits on top of the container ship Dali after the bridge collapsed in Baltimore, Maryland, on March 26, 2024bransontrilakesnews.com · 2024-03-30
Gold rule = a national or international outlet, not a trade title.
- social = X only before Bluesky (2024-07-01); not comparable with today's series
Maritime Attention Index, incident: Baltimore bridge collapse, peak 615.2 on 27 March 2024. maritimeattentionindex.com/incidents/2024-baltimore-bridge-collapse/