Geoscience Reference
In-Depth Information
ICG / Major changes
Changes in key
concepts and
principles
Changes in the group
of leading actors
Expansions in the
functional scope
forecast products by the
USA PTWC
(TWSP), with warnings
issued by USA Pacific
Tsunami Warning
Center (PTWC), and
tsunami monitoring,
capacity-building,
historical data
collection, and
awareness services
provided by the
UNESCO/IOC-USA
NOAA International
Tsunami Information
Center (ITIC)
1982: West coast of
North America
coverage provided by
the West Coast and
Alaska Tsunami
Warning Center (WC/
ATWC, established in
1967). Expanded to
East Coast of North
America in 2005
2005: Establishment of
the Japan Northwest
Pacific Tsunami
Advisory Center, as a
regional advisory centre
in cooperation with
PTWC
forecast products by the
USA PTWC
