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Powerful M7.1 earthquake hits off the coast of Mindanao, Philippines

m7-1-earthquake-philippines-indonesia-january-21-2021

A powerful earthquake registered by PHIVOLCS as M7.1 hit off the coast of Mindanao, Philippines at 12:23 UTC (20:23 LT) on January 21, 2021. The agency is reporting a depth of 116 km (72 miles). The USGS is reporting M7.0 at a depth of 96 km (60 miles), EMSC M7.1 at a depth of 114 km (71 miles).

The epicenter was located about 211 km (131 miles) SE of Pondaguitan and 312 km (194 miles) SE of Davao, Philippines.

There are about 100 000 people living within 100 km (62 miles).

6 000 people are estimated to have felt strong shaking and 173 000 moderate.

Based on the depth of the earthquake, a tsunami is not expected, NTWC said.

Image credit: TW/SAM, Google

The USGS issued a green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake-resistant construction. The predominant vulnerable building types are unknown/miscellaneous types and heavy wood frame construction.

Recent earthquakes in this area have caused secondary hazards such as tsunamis and landslides that might have contributed to losses.

Estimated population exposure to earthquake shaking

Selected cities exposed

Regional seismicity

This report is based on preliminary data and is being updated.

Featured image credit: TW/SAM, Google

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