Two strong offshore earthquakes shook southern Philippines in one day, killing at least seven people. The first quake registered magnitude 7.4 off the coast of Manay in Davao Oriental, and hours later a 6.8-magnitude quake struck nearby. Authorities issued tsunami alerts, evacuated coastal zones, and warned of further aftershocks.
Casualties and Damage Reported
The reported fatalities include two hospital patients who suffered heart attacks, individuals struck by falling debris, and residents caught in landslides in Pantukan. Buildings cracked, bridges and roads sustained damage, and many homes lost power. Schools suspended classes, and residents in coastal areas moved to higher ground amid fears of further tremors.
Seismology and Doublet Quake Explanation
The Philippine Institute of Volcanology and Seismology (Phivolcs) described the event as a “doublet” quake, meaning two quakes occurred in the same region along the same fault line but with distinct epicenters. The first event occurred at a shallower depth, while the second came later at greater depth. Officials say both could weaken already damaged structures and urged vigilance during aftershocks.
Tsunami Alerts and Coastal Evacuations
Tsunami warnings were initially raised for coastal areas within 300 kilometers of the epicenters in both the Philippines and Indonesia. Thankfully, the alerts were later lifted after monitoring showed no major waves. Still, small sea fluctuations were recorded along coastal shores, and authorities remain cautious about lingering risks.
Implications and Next Steps
These quakes add to a mounting pattern of seismic activity recently in the Philippines. The government has initiated search and rescue operations and begun assessing structural integrity of schools, hospitals, and bridges. Repair work and relief supply distribution are already underway. Meanwhile, agencies are urging citizens to prepare for more aftershocks and to heed evacuation notices.
Conclusion
The twin earthquakes that struck southern Philippines demonstrate once again the country’s vulnerability to seismic events. With at least seven lives lost and widespread damage, communities are now facing recovery, rebuilding, and renewed preparedness. As relief efforts continue, authorities must stay alert, strengthen infrastructure, and support affected populations in the days ahead.
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