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Strong mag. 6.1 earthquake - Panay, Philippines on Saturday, 18 August 1973

Strong mag. 6.1 earthquake  - Panay, Philippines on Saturday, 18 August 1973
Date & time: Saturday, 18 August 1973 08:25 UTC
Magnitude: 6.1
Depth: 14.0 km
Epicenter latitude / longitude: 11.511°N / 121.389°E (Philippines)
Nearest volcano: Malindig (204 km / 127 mi)
Nearby towns and cities:
62 km (39 mi) S of Semirara (pop: 5,500)
63 km (39 mi) E of Algeciras (pop: 4,000)
63 km (39 mi) NE of Agutaya (pop: 5,000)
157 km (98 mi) NW of Iloilo (pop: 387,700)
195 km (121 mi) NW of Bacolod City (pop: 454,900)
199 km (124 mi) NW of Mansilingan (pop: 454,200)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
TimeMag. / DepthLocationSource
Sat, 18 Aug 08:25 UTCM 6.1 / 14 kmPanay, PhilippinesUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!

Aftershocks of the 6.1 quake: Panay, Philippines, 18 Aug 1973 08:25

More info
Recorded aftershocks, latest first (2 quakes):
  • 19 Aug 1973 01:45 UTC
    | M 5.2 |
    22 km (13.7 mi) depth
    29 km (18 mi) distance
    | USGS | Details
  • 18 Aug 1973 09:53 UTC
    | M 4.5 |
    86 km (53.4 mi) depth
    18 km (11 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Panay, Philippines on Saturday, 18 August 1973

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