Which recorded tsunamis had the greatest local water height or runup? Please explain what that measurement represents.

Answerable live from the Tsunamis pack on DaedalMap -- open https://www.daedalmap.com/packs/tsunamis to query it on the map.

Where do the event records show the largest historical tsunami impacts?

Answerable live from the Tsunamis pack on DaedalMap -- open https://www.daedalmap.com/packs/tsunamis to query it on the map.

Data pack

Tsunamis

Name: Tsunamis
Creator: DaedalMap
License: Public Domain (U.S. Government)

Global tsunami source events and runup-linked records from NOAA NGDC, with reported local water-height/runup observations, source relationships, and casualty context across deep history and modern events.

Livev1.1.0

Live feed and archive

This pack holds the archive. A separate live feed covers the latest events and a short replay window in Ops.

Live feed details

Data sets (2)

Data set	Time	Levels	Rows
Tsunami Aggregates by Admin2 Region	1610 BCE - 2025	Admin 2	21,043
NOAA NGDC Tsunami Events	2000 BCE - 2026	Geographic level not declared	2,627

Source agencies

NOAA National Centers for Environmental Information (NGDC) - Public Domain (U.S. Government)

Attribution and citation

NOAA National Centers for Environmental Information (NGDC). Tsunamis. Public Domain (U.S. Government). https://www.ngdc.noaa.gov/hazard/tsu_db.shtml.
DaedalMap. Tsunamis data pack, version 1.1.0. https://www.daedalmap.com/packs/tsunamis

Licence: Public Domain (U.S. Government). Credit the source agencies first; their terms apply to the data.

Source: NOAA National Centers for Environmental Information (NGDC) (U.S. Government work, public domain).