Get our newsletter!
Check out our volcano tours on VolcanoAdventures.com!
Volcanoes & Earthquakes - new app for Android
Guaranteed tours
8-16 May 2021: From Stromboli to Etna - Sicila and Eolian Islands (Italy)
: spaces available / : guaranteed / : few spaces left / : booked out
Interactive map of latest earthquakes and active volcanoes in the world

Major mag. 7.7 earthquake - Luzon, Philippines on Monday, 16 July 1990

Major mag. 7.7 earthquake  - Luzon, Philippines on Monday, 16 July 1990
Date & time: Monday, 16 July 1990 07:26 UTC
Magnitude: 7.7
Depth: 25.1 km
Epicenter latitude / longitude: 15.679°N / 121.172°E (Philippines)
Nearest volcano: Amorong (43 km / 27 mi)
Nearby towns and cities:
6 km (4 mi) NE of Bongabon (pop: 36,200)
8 km (5 mi) SE of Rizal (pop: 26,200)
10 km (6 mi) N of Laur (pop: 19,200)
115 km (72 mi) N of Quezon City (pop: 2,761,700)
117 km (72 mi) N of Caloocan City (pop: 1,500,000)
121 km (75 mi) N of Manila (pop: 1,600,000)
Primary data source: USGS
Estimated released energy: 2.2 x 1016 joules (6219 gigawatt hours, equivalent to 5.4 x 106 tons of TNT or 334.4 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
Mon, 16 Jul 07:26 UTCM 7.7 / 25.1 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 yet. If you felt it be the first to report it!

Aftershocks of the 7.7 quake: Luzon, Philippines, 16 Jul 1990 07:26

More info
Recorded aftershocks, latest first (85 quakes):
  • 19 Mar 1992 06:34 UTC
    | M 6.3 |
    15.4 km (9.6 mi) depth
    |
    168 km (105 mi) distance
    | USGS | Strong mag. 6.3 earthquake - Luzon, Philippines on Thursday, 19 March 1992
  • 15 Jan 1992 05:00 UTC
    | M 5.2 |
    146.9 km (91.3 mi) depth
    |
    201 km (125 mi) distance
    | USGS | Details
  • 13 Jan 1992 11:40 UTC
    | M 5.0 |
    22.5 km (14 mi) depth
    |
    258 km (160 mi) distance
    | USGS | Details
  • 10 Jan 1992 00:38 UTC
    | M 5.1 |
    143.8 km (89.4 mi) depth
    |
    230 km (143 mi) distance
    | USGS | Details
  • 25 Oct 1991 13:48 UTC
    | M 5.2 |
    22.7 km (14.1 mi) depth
    |
    266 km (165 mi) distance
    | USGS | Details
  • 10 Oct 1991 08:52 UTC
    | M 5.0 |
    53.2 km (33.1 mi) depth
    |
    266 km (165 mi) distance
    | USGS | Details
  • 04 Sep 1991 22:27 UTC
    | M 5.5 |
    20.9 km (13 mi) depth
    |
    98 km (61 mi) distance
    | USGS | Details
  • 26 Jul 1991 06:56 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    102 km (63 mi) distance
    | USGS | Details
  • 16 Jun 1991 20:40 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    107 km (67 mi) distance
    | USGS | Details
  • 16 Jun 1991 20:37 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    92 km (57 mi) distance
    | USGS | Details
  • 16 Jun 1991 13:26 UTC
    | M 5.0 |
    12.6 km (7.8 mi) depth
    |
    125 km (78 mi) distance
    | USGS | Details
  • 16 Jun 1991 09:51 UTC
    | M 5.0 |
    15 km (9.3 mi) depth
    |
    104 km (65 mi) distance
    | USGS | Details
  • 16 Jun 1991 06:58 UTC
    | M 5.1 |
    12.6 km (7.8 mi) depth
    |
    78 km (49 mi) distance
    | USGS | Details
  • 16 Jun 1991 02:07 UTC
    | M 5.4 |
    10 km (6.2 mi) depth
    |
    105 km (65 mi) distance
    | USGS | Details
  • 15 Jun 1991 19:48 UTC
    | M 5.0 |
    8.5 km (5.3 mi) depth
    |
    110 km (68 mi) distance
    | USGS | Details
  • 15 Jun 1991 12:25 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    95 km (59 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area since 1900

Major mag. 7.7 earthquake - Luzon, Philippines on Monday, 16 July 1990

Map of earlier quakes

 

More on VolcanoDiscovery

 
Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.