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Strong mag. 6.4 earthquake - Mindanao, Philippines on Friday, 18 June 1999

Strong mag. 6.4 earthquake - Mindanao, Philippines on Friday, 18 June 1999
Date & time: Friday, 18 June 1999 10:55 UTC
Magnitude: 6.4
Depth: 33.0 km
Epicenter latitude / longitude: 5.514°N / 126.639°E (Philippines)
Nearest volcano: Balut (141 km / 88 mi)
Nearby towns and cities:
107 km (67 mi) SE of Pondaguitan (pop: 2,100)
112 km (69 mi) SE of Surup (pop: 2,100)
119 km (74 mi) SE of Mangili (pop: 3,000)
167 km (104 mi) SE of Mati (pop: 105,900)
175 km (109 mi) SE of General Santos (pop: 679,600)
197 km (123 mi) SE of Digos (pop: 116,100)
Primary data source: USGS
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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
Fri, 18 Jun 10:55 UTCM 6.4 / 33 kmMindanao, 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!
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Aftershocks of the 6.4 quake: Mindanao, Philippines, 18 Jun 1999 10:55

More info
Recorded aftershocks, latest first (9 quakes):
  • 08 Dec 1999 17:05 UTC
    | M 5.1 |
    59 km (36.7 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 08 Dec 1999 10:29 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    65 km (40 mi) distance
    | USGS | Details
  • 05 Dec 1999 08:52 UTC
    | M 5.4 |
    60.7 km (37.7 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 04 Nov 1999 06:31 UTC
    | M 5.0 |
    79.1 km (49.2 mi) depth
    |
    35 km (22 mi) distance
    | USGS | Details
  • 01 Sep 1999 19:02 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 25 Aug 1999 14:05 UTC
    | M 5.1 |
    71.8 km (44.6 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 08 Aug 1999 02:43 UTC
    | M 5.3 |
    61.2 km (38 mi) depth
    |
    62 km (38 mi) distance
    | USGS | Details
  • 12 Jul 1999 05:57 UTC
    | M 5.7 |
    33 km (20.5 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 18 Jun 1999 19:16 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Mindanao, Philippines on Friday, 18 June 1999
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