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Major magnitude 7.0 earthquake - Luzon, Philippines, on Tuesday, April 23, 1985 at 16:15 GMT

Major magnitude 7.0 earthquake - Luzon, Philippines, on Tuesday, April 23, 1985 at 16:15 GMT

Major magnitude 7.0 earthquake at 188 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Apr 23, 1985 16:15:12 UTC
Magnitude: 7
Depth: 188.4 km
Epicenter latitude / longitude: 15.344°N / 120.61°E (Philippines)
Antipode: 15.344°S / 59.39°W
Nearest volcano: Arayat (21 km / 13 mi)
Nearby towns and cities:
3 km (2 mi) NE of Capas (pop: 72,100) --> See nearby quakes!
5 km (3 mi) WNW of Concepcion (pop: 64,400) --> See nearby quakes!
14 km (9 mi) NNE of Mabalacat (pop: 188,100) --> See nearby quakes!
15 km (9 mi) S of Tarlac City (pop: 183,900) --> See nearby quakes!
15 km (10 mi) NNW of Magalang (pop: 69,000) --> See nearby quakes!
21 km (13 mi) NNE of Santol (pop: 299,000) --> See nearby quakes!
22 km (14 mi) N of Angeles City (pop: 299,400) --> See nearby quakes!
30 km (18 mi) NNW of Bulaon (pop: 131,800) --> See nearby quakes!
91 km (56 mi) NNW of Quezon City (pop: 2,761,700) --> See nearby quakes!
91 km (57 mi) NNW of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 atomic bombs!) | about seismic energy
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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
7.0188 kmLuzon, 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.
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Aftershocks

[More info]

Recorded aftershocks, latest first (60 quakes)

Date and timeMag
Depth
LocationDetails
Apr 25, 1987 12:16
35 years ago
6.9

107 km
4.3 km NW of Dagupan, Province of Pangasinan, Ilocos, PhilippinesMore
Apr 2, 1987 22:55
35 years ago
4.9

33 km
79 km SE of Santiago, Province of Isabela, Cagayan Valley, PhilippinesMore
Mar 30, 1987 10:04
35 years ago
4.6

76 km
21 km W of ollong-gapo, Province of Zambales, Central Luzon, PhilippinesMore
Mar 14, 1987 03:48
35 years ago
4.3

25 km
Luzon, PhilippinesMore
Mar 8, 1987 12:25
35 years ago
4.6

29 km
Province of Nueva Vizcaya, Cagayan Valley, 40 km SE of Baguio City, PhilippinesMore
Feb 26, 1987 13:24
35 years ago
5.1

32 km
126 km W of ollong-gapo, Province of Zambales, Central Luzon, PhilippinesMore
Feb 26, 1987 13:20
35 years ago
4.7

36 km
199 km W of Manila, Capital District, National Capital Region, PhilippinesMore
Feb 26, 1987 13:16
35 years ago
4.7

33 km
206 km W of Manila, Capital District, National Capital Region, PhilippinesMore
Feb 26, 1987 13:13
35 years ago
4.5

62 km
125 km SW of Magalawa Island, Province of Zambales, Central Luzon, PhilippinesMore
Feb 18, 1987 22:27
35 years ago
4.5

9.8 km
26 km E of Baguio City, Province of Benguet, Cordillera, PhilippinesMore
Feb 1, 1987 06:52
35 years ago
4.6

216 km
Volcano Island, 24 km NW of Batangas, Calabarzon, PhilippinesMore
Dec 29, 1986 15:49
35 years ago
5.8

53 km
16 km SW of Iba, Province of Zambales, Central Luzon, PhilippinesMore
Dec 27, 1986 16:52
35 years ago
4.2

80 km
Luzon, PhilippinesMore
Dec 19, 1986 07:48
35 years ago
5.3

83 km
6 km E of Botolan, Province of Zambales, Central Luzon, PhilippinesMore
Nov 5, 1986 17:32
36 years ago
5.2

98 km
Limbones Island, 13 km NW of Nasugbu, Batangas, Calabarzon, PhilippinesMore
Oct 30, 1986 12:55
36 years ago
4.5

33 km
64 km W of Dagupan, Province of Pangasinan, Ilocos, PhilippinesMore
Oct 5, 1986 07:31
36 years ago
4.3

81 km
48 km SW of ollong-gapo, Province of Zambales, Central Luzon, PhilippinesMore
Oct 1, 1986 14:43
36 years ago
3.6

192 km
2.9 km S of Muñoz, Province of Nueva Ecija, Central Luzon, PhilippinesMore
Sep 30, 1986 12:37
36 years ago
4.8

130 km
11 km SW of Balayan, Batangas, Calabarzon, PhilippinesMore
Sep 16, 1986 19:43
36 years ago
4.4

100 km
9.4 km E of Gapan, Province of Nueva Ecija, Central Luzon, PhilippinesMore
Aug 9, 1986 00:53
36 years ago
5.5

80 km
90 km SW of Manila, Capital District, National Capital Region, PhilippinesMore
Jul 23, 1986 15:57
36 years ago
4.0

33 km
97 km W of Subic, Province of Zambales, Central Luzon, PhilippinesMore
Jul 20, 1986 20:35
36 years ago
4.4

66 km
Raton Island, 21 km NW of Santa Cruz, PhilippinesMore
Jul 19, 1986 08:25
36 years ago
4.9

117 km
31 km W of Batangas, Calabarzon, PhilippinesMore
Jul 18, 1986 06:27
36 years ago
4.8

194 km
Luzon, PhilippinesMore
Jun 12, 1986 09:26
36 years ago
5.2

33 km
46 km S of Polillo Island, Quezon, Calabarzon, PhilippinesMore
Apr 29, 1986 19:30
36 years ago
4.0

10 km
Luzon, PhilippinesMore
Apr 28, 1986 03:47
36 years ago
5.1

8.7 km
Luzon, PhilippinesMore
Apr 19, 1986 00:15
36 years ago
4.3

33 km
64 km W of San Antonio, Province of Zambales, Central Luzon, PhilippinesMore
Apr 10, 1986 00:20
36 years ago
4.7

199 km
El Fraile Island, 46 km SW of Manila, PhilippinesMore
Mar 27, 1986 13:08
36 years ago
5.1

80 km
Quezon Island, 45 km SW of San Fernando, PhilippinesMore
Feb 22, 1986 22:44
36 years ago
4.1

232 km
38 km NW of Batangas, Calabarzon, PhilippinesMore
Jan 16, 1986 15:45
36 years ago
5.7

223 km
27 km W of Batangas, Calabarzon, PhilippinesMore
Jan 14, 1986 05:07
36 years ago
4.9

47 km
54 km W of ollong-gapo, Province of Zambales, Central Luzon, PhilippinesMore
Dec 31, 1985 14:24
36 years ago
4.6

33 km
10.4 km SE of Batangas, Calabarzon, PhilippinesMore
Dec 27, 1985 12:56
36 years ago
4.5

53 km
20 km N of Dagupan, Province of Pangasinan, Ilocos, PhilippinesMore
Dec 14, 1985 18:46
36 years ago
4.5

86 km
39 km N of San Fernando, Province of La Union, Ilocos, PhilippinesMore
Nov 12, 1985 19:50
37 years ago
4.6

191 km
22 km W of Batangas, Calabarzon, PhilippinesMore
Nov 5, 1985 21:15
37 years ago
4.4

100 km
43 km W of Batangas, Calabarzon, PhilippinesMore
Oct 31, 1985 14:00
37 years ago
4.1

206 km
Volcano Island, 28 km NW of Batangas, Calabarzon, PhilippinesMore
Oct 27, 1985 03:31
37 years ago
4.5

33 km
95 km W of Iba, Province of Zambales, Central Luzon, PhilippinesMore
Oct 1, 1985 10:01
37 years ago
4.6

119 km
33 km W of Batangas, Calabarzon, PhilippinesMore
Sep 10, 1985 04:50
37 years ago
5.0

139 km
32 km W of Batangas, Calabarzon, PhilippinesMore
Sep 9, 1985 23:14
37 years ago
4.6

244 km
Volcano Island, Calabarzon, 56 km S of Manila, PhilippinesMore
Aug 23, 1985 16:55
37 years ago
5.0

178 km
5.3 km SE of Balayan, Batangas, Calabarzon, PhilippinesMore
Aug 10, 1985 15:27
37 years ago
4.5

33 km
9.4 km NW of Tagudin, Province of Ilocos Sur, PhilippinesMore
Aug 9, 1985 19:59
37 years ago
6.1

22 km
35 km NW of San Fernando, Province of La Union, Ilocos, PhilippinesMore
Jun 23, 1985 11:47
37 years ago
4.7

33 km
90 km W of San Antonio, Province of Zambales, Central Luzon, PhilippinesMore
Jun 17, 1985 23:15
37 years ago
4.2

5 km
Luzon, PhilippinesMore
May 27, 1985 06:22
37 years ago
5.2

65 km
Magalawa Island, 10.1 km NW of Iba, PhilippinesMore
May 24, 1985 23:50
37 years ago
5.0

12 km
Province of Nueva Vizcaya, Cagayan Valley, 38 km NE of Baguio City, PhilippinesMore
May 19, 1985 08:41
37 years ago
4.7

13 km
Luzon, PhilippinesMore
May 15, 1985 09:32
37 years ago
3.8

10 km
20 km W of Bayombong, Province of Nueva Vizcaya, Cagayan Valley, PhilippinesMore
May 15, 1985 05:47
37 years ago
4.6

10 km
Luzon, PhilippinesMore
May 15, 1985 04:06
37 years ago
4.4

10 km
Luzon, PhilippinesMore
May 14, 1985 03:45
37 years ago
4.2

10 km
Luzon, PhilippinesMore
May 13, 1985 04:46
37 years ago
4.3

10 km
15 km W of Bayombong, Province of Nueva Vizcaya, Cagayan Valley, PhilippinesMore
May 13, 1985 03:40
37 years ago
5.4

10 km
Province of Nueva Vizcaya, Cagayan Valley, 35 km E of Baguio City, PhilippinesMore
Apr 24, 1985 20:01
37 years ago
4.8

33 km
Luzon, PhilippinesMore
Apr 24, 1985 01:07
37 years ago
6.1

33 km
Luzon, PhilippinesMore
Show all

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