6.8 Magnitude Earthquake hits Iloilo, Negros, Cebu

A 6.8 Magnitude Earthquake was felt in Iloilo, Negros and Cebu at 11:49 AM. Most employees in the offices in Bacolod City went out of their buildings to be safe. It was almost one minute long with aftershocks felt a few seconds after.

Here’s the detail and location of the earthquake according to the US Geological Survey.

Magnitude

6.8

Date-Time

  • Monday, February 06, 2012 at 03:49:16 UTC
  • Monday, February 06, 2012 at 11:49:16 AM at epicenter

Location

9.964°N, 123.246°E

Depth

46.6 km (29.0 miles)

Region

NEGROS – CEBU REGION, PHILIPPINES

Distances

72 km (44 miles) N of Dumaguete, Negros, Philippines74 km (45 miles) WNW of Tagbilaran, Bohol, Philippines

80 km (49 miles) WSW of Cebu, Cebu, Philippines

569 km (353 miles) SSE of MANILA, Philippines

Location Uncertainty

horizontal +/- 13.5 km (8.4 miles); depth +/- 11.5 km (7.1 miles)

Parameters

NST= 72, Nph= 75, Dmin=744.7 km, Rmss=1.03 sec, Gp= 47°,M-type=regional moment magnitude (Mw), Version=8

Source

  • Magnitude:USGS NEIC (WDCS-D)Location: USGS NEIC (WDCS-D)

12:30 PM UPDATE

PHIVOLCS Update:

Earthquake Event Date and Time: 06 Feb 2012 – 11:49 AM
Magnitude: 6.9
Epicenter: 09.970N, 123.140E – 5 km N 410W of Tayasan (Negros Oriental)
Depth of Focus: 10km
Location: Negros – Cebu region

Reported Intensities

Intensity VII – Dumaguete City, Vallehermoso, Negros Oriental
Intensity VI – La Carlota City and La Castellana, Negros Occidenta;; Argao, Cebu
Intensity V – Roxas City; Dao and Ivisan, Capiz; Iloilo City; Ayungon, Negros Oriental; Kanlaon City; Lau-Lapu City; Guimaras; Cebu City; San Carlos City; Bacolod City; Sagay City; Tagbilaran City; Candoni, Binalbagan, Negros Occidental
Intensity IV – San Jose de Buenavista, Pandan, Anini-y, Patnungon, Antique; Kalibo, Aklan; Sipalay, Negros Occidental; Dipolog City, Ormoc City
Intensity III – Butuan City, Agusan del Norte; Legaspi City, Albay; Carmen, Cagayan de Oro; Tacloban City; Catbalogan; Saint Bernard, Southern Leyte; Masbate, Masbate; Cagayan de Oro City
Intensity II
– Cabid-an, Sorsogon; Borongan, Eastern Samar; Mambajao, Camiguin
Intensity I
– Pagadian City

Tsunami Alert No. 2:  Magnitude 6.9 in Negros Oriental and Cebu area. Tectonic in origin. Intensity 7 in Dumaguete. Intensity 5 Roxas, Capiz, Iloilo City. Intensity 4 Antique, Aklan, Dipolog. Intensity 3 CDO.  People in coastal areas, please be aware of possible sea level rise.

2:30 PM Update

Tsunami Alert is lifted.

PHIVOLCS Update:

Earthquake Event Date and Time: 06 Feb 2012 – 6:10 PM
Magnitude: 6.2
Epicenter: 09.93N, 123.15E or 2km N77W of Tayasan (Negros Oriental)
Depth of Focus: 7km
Intensity. IV – Sibulan, Negros Oriental, Iloilo City

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