Major magnitude 7.0 earthquake - Luzon, Philippines, on Tuesday, April 23, 1985 at 16:15 GMT
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Major magnitude 7.0 earthquake at 188 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
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
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. | Depth | Location | Source |
| 7.0 | 188 km | Luzon, Philippines | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (60 quakes)
Date and time | Mag Depth | Location | Details |
| Apr 25, 1987 12:16 35 years ago | 6.9 107 km | 4.3 km NW of Dagupan, Province of Pangasinan, Ilocos, Philippines | More |
| Apr 2, 1987 22:55 35 years ago | 4.9 33 km | 79 km SE of Santiago, Province of Isabela, Cagayan Valley, Philippines | More |
| Mar 30, 1987 10:04 35 years ago | 4.6 76 km | 21 km W of ollong-gapo, Province of Zambales, Central Luzon, Philippines | More |
| Mar 14, 1987 03:48 35 years ago | 4.3 25 km | Luzon, Philippines | More |
| Mar 8, 1987 12:25 35 years ago | 4.6 29 km | Province of Nueva Vizcaya, Cagayan Valley, 40 km SE of Baguio City, Philippines | More |
| Feb 26, 1987 13:24 35 years ago | 5.1 32 km | 126 km W of ollong-gapo, Province of Zambales, Central Luzon, Philippines | More |
| Feb 26, 1987 13:20 35 years ago | 4.7 36 km | 199 km W of Manila, Capital District, National Capital Region, Philippines | More |
| Feb 26, 1987 13:16 35 years ago | 4.7 33 km | 206 km W of Manila, Capital District, National Capital Region, Philippines | More |
| Feb 26, 1987 13:13 35 years ago | 4.5 62 km | 125 km SW of Magalawa Island, Province of Zambales, Central Luzon, Philippines | More |
| Feb 18, 1987 22:27 35 years ago | 4.5 9.8 km | 26 km E of Baguio City, Province of Benguet, Cordillera, Philippines | More |
| Feb 1, 1987 06:52 35 years ago | 4.6 216 km | Volcano Island, 24 km NW of Batangas, Calabarzon, Philippines | More |
| Dec 29, 1986 15:49 35 years ago | 5.8 53 km | 16 km SW of Iba, Province of Zambales, Central Luzon, Philippines | More |
| Dec 27, 1986 16:52 35 years ago | 4.2 80 km | Luzon, Philippines | More |
| Dec 19, 1986 07:48 35 years ago | 5.3 83 km | 6 km E of Botolan, Province of Zambales, Central Luzon, Philippines | More |
| Nov 5, 1986 17:32 36 years ago | 5.2 98 km | Limbones Island, 13 km NW of Nasugbu, Batangas, Calabarzon, Philippines | More |
| Oct 30, 1986 12:55 36 years ago | 4.5 33 km | 64 km W of Dagupan, Province of Pangasinan, Ilocos, Philippines | More |
| Oct 5, 1986 07:31 36 years ago | 4.3 81 km | 48 km SW of ollong-gapo, Province of Zambales, Central Luzon, Philippines | More |
| Oct 1, 1986 14:43 36 years ago | 3.6 192 km | 2.9 km S of Muñoz, Province of Nueva Ecija, Central Luzon, Philippines | More |
| Sep 30, 1986 12:37 36 years ago | 4.8 130 km | 11 km SW of Balayan, Batangas, Calabarzon, Philippines | More |
| Sep 16, 1986 19:43 36 years ago | 4.4 100 km | 9.4 km E of Gapan, Province of Nueva Ecija, Central Luzon, Philippines | More |
| Aug 9, 1986 00:53 36 years ago | 5.5 80 km | 90 km SW of Manila, Capital District, National Capital Region, Philippines | More |
| Jul 23, 1986 15:57 36 years ago | 4.0 33 km | 97 km W of Subic, Province of Zambales, Central Luzon, Philippines | More |
| Jul 20, 1986 20:35 36 years ago | 4.4 66 km | Raton Island, 21 km NW of Santa Cruz, Philippines | More |
| Jul 19, 1986 08:25 36 years ago | 4.9 117 km | 31 km W of Batangas, Calabarzon, Philippines | More |
| Jul 18, 1986 06:27 36 years ago | 4.8 194 km | Luzon, Philippines | More |
| Jun 12, 1986 09:26 36 years ago | 5.2 33 km | 46 km S of Polillo Island, Quezon, Calabarzon, Philippines | More |
| Apr 29, 1986 19:30 36 years ago | 4.0 10 km | Luzon, Philippines | More |
| Apr 28, 1986 03:47 36 years ago | 5.1 8.7 km | Luzon, Philippines | More |
| Apr 19, 1986 00:15 36 years ago | 4.3 33 km | 64 km W of San Antonio, Province of Zambales, Central Luzon, Philippines | More |
| Apr 10, 1986 00:20 36 years ago | 4.7 199 km | El Fraile Island, 46 km SW of Manila, Philippines | More |
| Mar 27, 1986 13:08 36 years ago | 5.1 80 km | Quezon Island, 45 km SW of San Fernando, Philippines | More |
| Feb 22, 1986 22:44 36 years ago | 4.1 232 km | 38 km NW of Batangas, Calabarzon, Philippines | More |
| Jan 16, 1986 15:45 36 years ago | 5.7 223 km | 27 km W of Batangas, Calabarzon, Philippines | More |
| Jan 14, 1986 05:07 36 years ago | 4.9 47 km | 54 km W of ollong-gapo, Province of Zambales, Central Luzon, Philippines | More |
| Dec 31, 1985 14:24 36 years ago | 4.6 33 km | 10.4 km SE of Batangas, Calabarzon, Philippines | More |
| Dec 27, 1985 12:56 36 years ago | 4.5 53 km | 20 km N of Dagupan, Province of Pangasinan, Ilocos, Philippines | More |
| Dec 14, 1985 18:46 36 years ago | 4.5 86 km | 39 km N of San Fernando, Province of La Union, Ilocos, Philippines | More |
| Nov 12, 1985 19:50 37 years ago | 4.6 191 km | 22 km W of Batangas, Calabarzon, Philippines | More |
| Nov 5, 1985 21:15 37 years ago | 4.4 100 km | 43 km W of Batangas, Calabarzon, Philippines | More |
| Oct 31, 1985 14:00 37 years ago | 4.1 206 km | Volcano Island, 28 km NW of Batangas, Calabarzon, Philippines | More |
| Oct 27, 1985 03:31 37 years ago | 4.5 33 km | 95 km W of Iba, Province of Zambales, Central Luzon, Philippines | More |
| Oct 1, 1985 10:01 37 years ago | 4.6 119 km | 33 km W of Batangas, Calabarzon, Philippines | More |
| Sep 10, 1985 04:50 37 years ago | 5.0 139 km | 32 km W of Batangas, Calabarzon, Philippines | More |
| Sep 9, 1985 23:14 37 years ago | 4.6 244 km | Volcano Island, Calabarzon, 56 km S of Manila, Philippines | More |
| Aug 23, 1985 16:55 37 years ago | 5.0 178 km | 5.3 km SE of Balayan, Batangas, Calabarzon, Philippines | More |
| Aug 10, 1985 15:27 37 years ago | 4.5 33 km | 9.4 km NW of Tagudin, Province of Ilocos Sur, Philippines | More |
| Aug 9, 1985 19:59 37 years ago | 6.1 22 km | 35 km NW of San Fernando, Province of La Union, Ilocos, Philippines | More |
| Jun 23, 1985 11:47 37 years ago | 4.7 33 km | 90 km W of San Antonio, Province of Zambales, Central Luzon, Philippines | More |
| Jun 17, 1985 23:15 37 years ago | 4.2 5 km | Luzon, Philippines | More |
| May 27, 1985 06:22 37 years ago | 5.2 65 km | Magalawa Island, 10.1 km NW of Iba, Philippines | More |
| May 24, 1985 23:50 37 years ago | 5.0 12 km | Province of Nueva Vizcaya, Cagayan Valley, 38 km NE of Baguio City, Philippines | More |
| May 19, 1985 08:41 37 years ago | 4.7 13 km | Luzon, Philippines | More |
| May 15, 1985 09:32 37 years ago | 3.8 10 km | 20 km W of Bayombong, Province of Nueva Vizcaya, Cagayan Valley, Philippines | More |
| May 15, 1985 05:47 37 years ago | 4.6 10 km | Luzon, Philippines | More |
| May 15, 1985 04:06 37 years ago | 4.4 10 km | Luzon, Philippines | More |
| May 14, 1985 03:45 37 years ago | 4.2 10 km | Luzon, Philippines | More |
| May 13, 1985 04:46 37 years ago | 4.3 10 km | 15 km W of Bayombong, Province of Nueva Vizcaya, Cagayan Valley, Philippines | More |
| May 13, 1985 03:40 37 years ago | 5.4 10 km | Province of Nueva Vizcaya, Cagayan Valley, 35 km E of Baguio City, Philippines | More |
| Apr 24, 1985 20:01 37 years ago | 4.8 33 km | Luzon, Philippines | More |
| Apr 24, 1985 01:07 37 years ago | 6.1 33 km | Luzon, Philippines | More |
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