Earthquake Source Zones

The maps delineating the Earthquake Source Zones monitored by each ICG-TSP and the thresholds for issuing bulletins are shown below.

Left: CARIBBE-EWS Earthquake Source Zone Map (Reference: IOC/TOWS-WG-VII/3 Annex V, page 19)

Right: IOTWMS Earthquake Source Zone Map (Reference: IOC/TOWS-WG-VIII/3 Annex VI, page 14)

Left: NEAMTWS Earthquake Source Zone Map (Reference: IOC/TOWS-WG-VII/3 Annex V, page 21)

Right: PTWS Earthquake Source Zone Map (Reference: IOC/TOWS-WG-IX/3 Annex IV, page 52)