Occurrence of 1 ka-old corals on an uplifted reef terrace in west Luzon, Philippines: Implications for a prehistoric extreme wave event in the South China Sea region

Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 3 Geomorphologic data of survey site in Badoc Island, Ilocos Norte

Material	Height (m amsl)^a	Occurrence	Age (year BP) relative to 1950 AD^b	Initial δ²³⁴U
Coral	5	Sand-covered terrace surface	945.1 ± 4.6	147.6 ± 2.1
Coral	4.9	Sand-covered terrace surface	903.1 ± 3.9	143.8 ± 2.3
Coral	4.5	Terrace riser	2727 ± 13	146.6 ± 1.4
Coral	2.3	Erosional reef platform	6871.7 ± 22	148.1 ± 2.2

^aMeters above mean sea level measured at the Currimao tide station (0.24 m)
^bAge relative to chemistry date, corrections, and isotopic measurements (Cheng et al. 2013)