Strong and shallow M6.1 earthquake hits Mindanao, Philippines


A strong and shallow earthquake registered by the USGS as M6.1 hit Mindanao, Philippines at 22:37 UTC on November 15, 2020 (06:37 LT, November 16). The agency is reporting a depth of 42.2 km (26.2 miles). PHIVOLCS is reporting it as M6.0 at a depth of 54 km (33 miles); EMSC as M5.9 at 66 km (41 miles).

The epicenter was located 7.3 km (4.5 miles) SSW of Marihatag (population 3 829), 23.8 km (14.8 miles) ENE of Lianga (population 13 623), 34.5 km (21.4 miles) NNE of Tagbina (population 10 672), and 84.3 km (52.4 miles) ESE of Butuan (population 309 709).

There are about 1 930 000 people living within 100 km (62 miles).

There was no threat of a tsunami.

PHIVOLCS said both aftershocks and damages are expected from the quake.

22 000 people are estimated to have felt strong shaking, 467 000 moderate, and 4 320 000 light.

Image credit: TW/SAM, Google

Image credit: TW/SAM, Google

Intensity VI was reported in Hinatuan, Surigao del Sur.

Intensity V in San Agustin, City of Bislig, Lianga, and Lingig, Surigao del Sur; Bayugan City, Rosario, Talacogon, San Francisco, and Santa Josefa, Agusan del Sur.

Intensity IV in Bayabas, Borobo, Cagwait, Lanuza, Marihatag, and Tago, Surigao Del Sur; Laak, Mabini, Maco, Maragusan, Mawab, Monkayo, Nabunturan, and Pantukan, Davao de Oro; Butuan City.

Intensity III – Carmen, Madrid, and Tandag City, Surigao del Sur; Cagayan de Oro City; Tagoloan, Villanueva, Balingasag, Misamis Oriental; Mati City, Davao Oriental; Tagum City, Davao del Norte; San Francisco, and San Ricardo, Southern Leyte; Socorro, Surigao del Norte.

Intensity II – Carrascal, Cortes, and Tagbina, Surigao del Sur; El Salvador City, Initao, Lugait, Manticao, Misamis Oriental; Davao City; Dapa, General Luna, Mainit, and Surigao City, Surigao del Norte; San Jose, Dinagat Islands; Panabo City, Davao del Norte; Pintuyan, Southern Leyte. 

Intensity I in Iligan City.

Cracks and minor damage was reported in the worst affected region.

The Municipal Disaster Risk Reduction Management Office (MDRRMO) in San Agustin said the local government-owned Hornasan multi-purpose building incurred some cracks, the Philippine News Agency (PNA) reported at 16:41 LT on November 16.

MDRRMO added that no major damages were reported after the quake, except in several stores where merchandise fell from display areas.

Hinatuan Water District in neighboring Hinatuan town reported that the tremor damaged its mainline service connection, causing a temporary supply disruption.

Hinatuan officials also reported cracks in some buildings and broken bottles and other damaged merchandise in groceries and stores in the area.

Estimated population exposure to earthquake shaking

Selected cities exposed

Regional seismicity

Featured image credit: TW/SAM, Google


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