Seismologists Warn Dangerously Violent Aftershocks Could Produce Tsunamis

A magnitude-5.5 quake jolted the Surigao del Norte area in Mindanao Sunday morning, even as state seismologists warned of possible aftershocks.

The Philippine Institute of Volcanology and Seismology (Phivolcs) said the quake was recorded at 10:43 a.m., and was tectonic in origin.

It said the epicenter was traced to 113 km northeast of Burgos town in Surigao del Norte.

While no damage was expected, Phivolcs said aftershocks are possible.

The United States Geological Survey measured the quake at magnitude 5.3, and said the epicenter was at:

84 km northeast of San Isidro
– 122 km east-southeast of Guiuan
– 150 km northeast of Placer
– 152 km east-northeast of Surigao

Meanwhile, Phivolcs said the quake was followed by a magnitude-4.9 quake 117 km northeast of Burgos at 11:04 a.m.

On the other hand, Phivolcs said at least six quakes had hit the area since 6:20 a.m. Sunday, and five more on Saturday.

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