Major magnitude 7.3 earthquake - 8.6 km west of Ozamis City, Philippines, on Monday, 5 March 1984 at 03:33 (GMT)

Major magnitude 7.3 earthquake - 8.6 km west of Ozamis City, Philippines, on Monday, 5 March 1984 at 03:33 (GMT)

Major magnitude 7.3 earthquake at 649 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: 5 Mar 1984 03:33:50 UTC
Magnitude: 7.3
Depth: 649.1 km
Epicenter latitude / longitude: 8.147°N / 123.762°E (Province of Misamis Occidental, Northern Mindanao, Philippines)
Nearest volcano: Malindang (17 km / 11 mi)
Nearby towns and cities:
5 km (3 mi) NNW of Tabid (pop: 3,150) --> See nearby quakes!
9 km (5 mi) W of Ozamis City (pop: 93,100) --> See nearby quakes!
10 km (6 mi) N of Tangub (Misamis Occidental) (pop: 29,700) --> See nearby quakes!
31 km (19 mi) ENE of Molave (Zamboanga del Sur, Zamboanga Peninsula) (pop: 21,100) --> See nearby quakes!
38 km (24 mi) S of Oroquieta (pop: 39,300) --> See nearby quakes!
47 km (29 mi) NE of Muricay (Zamboanga Peninsula) (pop: 132,100) --> See nearby quakes!
50 km (31 mi) W of Mantampay (pop: 265,000) --> See nearby quakes!
54 km (33 mi) W of irigan (pop: 342,600) --> See nearby quakes!
129 km (80 mi) NW of Budta (Autonomous Region in Muslim Mindanao) (pop: 1,273,700) --> See nearby quakes!
779 km (484 mi) SSE of Manila (National Capital Region) (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 atomic bombs!) More info
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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.
Mag.DepthLocationSource
7.3649 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.
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Aftershocks

More info
Recorded aftershocks, latest first (16 quakes):
  • 08 Nov 1985 08:38 UTC
    | M 5.1 |
    45.5 km (28.3 mi) depth
    |
    174 km (108 mi) distance
    | USGS | Details
  • 08 Nov 1985 07:00 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    161 km (100 mi) distance
    | USGS | Details
  • 04 Aug 1985 02:36 UTC
    | M 6.4 |
    35.6 km (22.1 mi) depth
    |
    78 km (48 mi) distance
    | USGS | Very strong mag. 6.4 earthquake - Celebes Sea, 13 km south of Sagayaran Island, Philippines, on Sunday, 4 August 1985 at 02:36 (GMT)
  • 26 Jun 1985 03:05 UTC
    | M 5.4 |
    538.2 km (334.4 mi) depth
    |
    154 km (96 mi) distance
    | USGS | Details
  • 27 Apr 1985 04:15 UTC
    | M 5.1 |
    598.3 km (371.8 mi) depth
    |
    180 km (112 mi) distance
    | USGS | Details
  • 26 Mar 1985 00:15 UTC
    | M 5.0 |
    27.9 km (17.3 mi) depth
    |
    160 km (99 mi) distance
    | USGS | Details
  • 22 Mar 1985 19:33 UTC
    | M 5.0 |
    35.7 km (22.2 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 22 Mar 1985 19:03 UTC
    | M 5.0 |
    51.9 km (32.2 mi) depth
    |
    60 km (37 mi) distance
    | USGS | Details
  • 18 Mar 1985 22:48 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 18 Mar 1985 20:49 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Details
  • 18 Mar 1985 19:49 UTC
    | M 6.5 |
    33 km (20.5 mi) depth
    |
    49 km (31 mi) distance
    | USGS | Very strong mag. 6.5 earthquake - Celebes Sea, 10.6 km southeast of Muricay, Philippines, on Monday, 18 March 1985 at 19:49 (GMT)
  • 28 Nov 1984 11:59 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 27 Nov 1984 23:34 UTC
    | M 5.9 |
    11.1 km (6.9 mi) depth
    |
    92 km (57 mi) distance
    | USGS | Details
  • 02 Aug 1984 07:33 UTC
    | M 5.3 |
    604.7 km (375.7 mi) depth
    |
    158 km (98 mi) distance
    | USGS | Details
  • 22 Jun 1984 12:27 UTC
    | M 5.3 |
    633.3 km (393.5 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 11 Apr 1984 15:04 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    124 km (77 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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