1948 Lady Caycay earthquake

The1948 Lady Caycay earthquakeoccurred at 01:46PST(UTC+08:00) on 25 January 1948 with an estimatedmoment magnitudeof 7.8 and a maximumMercalli intensityof X (Extreme). The epicenter was between the municipalities ofAnini-y, Antique, and Dao (present-dayTobias FornierinAntique) onPanay Island, Philippines.
The earthquake was the second biggest on record in the country as it caused widespread damage in Panay and nearby islands. However, accounts of its intensity and thetsunamisit generated are sparse, possibly because the earthquake struck as the Philippines was recovering from the effects of theSecond World War.
Caycayis aKinaray-aandHiligaynonterm describing the scratches on the ground similar to those made bychickens. The effects of the earthquake, which chiefly manifested as fissures on the ground, were said to be similar to chicken scratches.Much of Iloilo province lies on soft ground, which is one of the possible reasons for the numerous fissures that appeared, especially in low-lying parts of the province.
José María Cuenco, theBishop of Jaro, estimated that the damage to 15 churches destroyed on Panay alone amounted to₱7,000,000.
In the town ofAnini-y(the earthquake's epicentre), no distinct damage was seen in the century-old church—the only confirmed masonry structure existing at the time.The church, which was originally built in 1830 had been damaged during the Second World War. InPandanandCulasitowns, it was reported that 50% of the houses were destroyed. Massivelandslidesalso occurred in the mountain area.
Ibajay Bridge and Kalibo Bridge, which were the two of the biggest bridges in Panay, sustained damage.
The Immaculate Conception Metropolitan Cathedral in Capiz (nowRoxas City) was reported to have been damaged by the earthquake.
Most of the significant damage was found in theIloilo province, specifically to extantSpanish-erachurches. Bridges, communication lines, as well as public and private buildings all sustained heavy damage.
The churches in Igbaras, San Miguel,Oton, and Maasin were severely damaged and were demolished.The belfries of churches in Alimodian, Duenas, Dumangas, Guimbal, Lambunao, Passi, San Joaquin, and Arevalo districts in Iloilo City collapsed, whileJaro Cathedral(the city'sepiscopal see) was also severely damaged. Twenty-one were reportedly killed in the city, and another forty-three were injured. Damage to churches was estimated at ₱200,000, with the total damage to the city reaching ₱1,000,000.The Coronet Tower in Arevalo District also collapsed, as did the old Central School and back portion of the church in León. The churches of Pavia, Tubungan,Miag-ao, and Tigbauan also sustained damage.
Fissures erupted in the streets, causing traffic disruptions. Fissures were also observed along the roads between Pototan and Dingle and along the Santa Barbara railway. Fissures were also noted in the streets of Oton(Bautista, M.L.P, et al., 2011).
Ground disruptions described as "little canyons", possibly the sand blows, were observed in Pototan, Cabatuan, Dingle, Passi, and Calinog. A new, smallbrookappeared after huge cracks appeared at Tiring Landing Field (now the site of theIloilo International Airport) inCabatuan. In the city'sFort San Pedro, large fissures 4 metres wide by 10 metres long opened such that seawater was already visible.
Local accounts have pointed to a 2-metre high wave that was seen after the earthquake. Fish corals from the Iloilo shore towns of Oton to San Joaquin were destroyed by the tsunami. Damage was estimated to be at ₱250,000. The fish corals were detached from the log moorings. The waves did not move inward thereby sparing more damage to life and property.