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. 7.6 earthquake - Mariana Islands on Friday, 29 July 2016

Major mag. 7.6 earthquake - Mariana Islands on Friday, 29 July 2016

Major mag. 7.6 earthquake  - Mariana Islands on Friday, 29 July 2016
29 Jul 21:24 UTC: First to report: GFZ after 6 minutes.
Hypocenter depth recalculated from 209.0 to 213.0 km.
Jul 29 21:26: Magnitude recalculated from 7.6 to 7.7.
Hypocenter depth recalculated from 213.0 to 211.0 km.
Hypocenter depth recalculated from 211.0 to 209.0 km.
Jul 29 21:27: Magnitude recalculated from 7.7 to 7.8.
Hypocenter depth recalculated from 209.0 to 207.0 km.
Hypocenter depth recalculated from 207.0 to 201.0 km.
Hypocenter depth recalculated from 201.0 to 194.0 km.
Jul 29 21:41: Magnitude recalculated from 7.8 to 7.7.
Hypocenter depth recalculated from 194.0 to 245.0 km.
Jul 29 21:50: Magnitude recalculated from 7.7 to 7.6.
Date & time: Friday, 29 July 2016 21:18 UTC
Magnitude: 7.6
Depth: 245.0 km
Epicenter latitude / longitude: 18.6°N / 145.57°E (Northern Mariana Islands)
Nearest volcano: Agrigan (27 km / 17 mi)
Nearby towns and cities:
56 km (35 mi) NW of Pagan Village (pop: 100)
Primary data source: GFZ
Estimated released energy: 1.6 x 1016 joules (4402 gigawatt hours, equivalent to 3.8 x 106 tons of TNT or 236.7 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, 29 Jul 21:18 UTCM 7.6 / 245 kmMariana IslandsGFZ
Fri, 29 Jul 21:18 UTCM 7.7 / 269 kmPAGAN REG., N. MARIANA ISLANDSEMSC
2016-07-30 07:18:25 +10:00 (29 Jul 21:18:25 UTC)M 7.7 / 212.4 km- 31km SSW of Agrihan, Northern Mariana IslandsUSGS

shake map
(shakemap: USGS)

User reports for this quake (29)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Piti, guam / Moderate shaking (MMI V)
Tumon, Guam (572.3 km S of epicenter) [Map] / Moderate shaking (MMI V) : I'm on the 11th floor of a condo with rollers to reduce the damage. The building rocked for more than a minute. after subsiding, it intensified after about 45 seconds and then continued. By far the biggest earthquake in Guam in the last five years.
Sheraton Tumon (574.1 km S of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Yigo (Guam, 559 km S of epicenter) : Felt moderate ground shake at my location Yigo, Guam (reported through EMSC)
Hagåtña (Guam, 571 km S of epicenter) : Felt it saw it heard it (reported through EMSC)
Yigo (Guam, 562 km S of epicenter) : Still in bed and felt the bed shaking (reported through EMSC)
Yigo (Guam, 562 km S of epicenter) : Yigo Guam mt Santa Rosa (reported through EMSC)
Yigo (Guam, 559 km S of epicenter) : Pagan has a volcano that erupted a few decades ago. (reported through EMSC)
Kagman (Northern Mariana Islands, 378 km S of epicenter) : It felt long. Although it looked like the house stopped shaking first, the car was still moving for a while. (reported through EMSC)
Saipan (Northern Mariana Islands, 377 km S of epicenter) : I am at the eastern most side of saipan. We hear a rumbling noise then felt the ground shake. Headed out the door then could see the cars shaking as well. (reported through EMSC)
Saipan (Northern Mariana Islands, 377 km S of epicenter) : Ocean was mirror glassy calm with virtually no waves hitting reef. A few minutes after the shaking stopped 2-3 foot waves hitting reef for about ten minutes. Water splashed out if swimming pool. (reported through EMSC)
Saipan (Northern Mariana Islands, 377 km S of epicenter) : I was on the second floor of our house and felt the house vibrate as well as hear a slightly loud vibration sound. Shelves swaying somewhat, but everything in tact. Pretty long shaker too. (reported through EMSC)
Garapan (Northern Mariana Islands, 374 km S of epicenter) : I am at the hospital, and we lost power shortly after, unsure if directly related or not (reported through EMSC)
Capitol Hill (Northern Mariana Islands, 373 km S of epicenter) : I was lying in bed and felt my body shake from side to side. My windows and mirror were wobbly as well. I sleep on the second floor of my house and I swear it felt like everything was moving. It was the longest duration I felt compared to the earthquakes I've experienced during my stay in Tokyo (reported through EMSC)
San Vicente (Northern Mariana Islands, 380 km S of epicenter) : Felt it start slow then strong (reported through EMSC)
Susupe (Northern Mariana Islands, 379 km S of epicenter) : That was strong!!!! (reported through EMSC)
Garapan (Northern Mariana Islands, 374 km S of epicenter) : It was the longest earthquake we had faced and luckily no one got hurt, I suppose. (reported through EMSC)
Mangilao (Guam, 572 km S of epicenter) : The shaking wasn't strong, but it went on for 15 or 20 seconds. I wouldn't have even registered it as different from one of our normal local little Quakes, except that the shaking went on for quite a long time in comparison. (reported through EMSC)
Tamuning (Guam, 570 km S of epicenter) : Slight movements, barely feeling it while lying in bed. Guam (reported through EMSC)
Dededo (Guam, 564 km S of epicenter) : I happened to be laying on the ground, and I felt the earth shift side to side. (reported through EMSC)
Yigo (Guam, 562 km S of epicenter) : Longest earthquake I have felt. Shook my couch and tv. (reported through EMSC)
Yigo (Guam, 561 km S of epicenter) : The trembling/rumbling lasted longer than usual. I'd say 30-35 seconds. (reported through EMSC)
Yigo (Guam, 561 km S of epicenter) : Felt outside, shook vehicles in Yigo, Guam (reported through EMSC)
Chalan Kanoa (Northern Mariana Islands, 386 km S of epicenter) : The swaying seemed to last for about two full minutes. (reported through EMSC)
San Vicente (Northern Mariana Islands, 384 km S of epicenter) : long duration, got worse towards the end (reported through EMSC)
Saipan (Northern Mariana Islands, 381 km S of epicenter) : Last fot about 2 minutes (reported through EMSC)
Saipan (Northern Mariana Islands, 381 km S of epicenter) : Felt the earth moving..coffee cup moving.. (reported through EMSC)
Saipan (Northern Mariana Islands, 381 km S of epicenter) : No comments. The earthquake lasted for moments. Just as I was getting up to grab my kids, it stopped. Will we be expecting aftershocks? Thank you. (reported through EMSC)
Garapan (Northern Mariana Islands, 378 km S of epicenter) : it was scary and strong (reported through EMSC)

Aftershocks of the 7.6 quake: Mariana Islands, 29 Jul 2016 21:18

More info
Recorded aftershocks, latest first (114 quakes):
  • 20 Jul 2018 23:55 UTC
    | M 5.8 |
    10 km (6.2 mi) depth
    |
    60 km (37 mi) distance
    | GFZ | Details
  • 14 Jul 2018 05:09 UTC
    | M 4.8 |
    35 km (21.7 mi) depth
    |
    142 km (88 mi) distance
    | USGS | Details
  • 13 Jul 2018 22:44 UTC
    | M 4.4 |
    116.1 km (72.1 mi) depth
    |
    361 km (224 mi) distance
    | USGS | Details
  • 09 Jul 2018 21:41 UTC
    | M 4.8 |
    253 km (157.2 mi) depth
    |
    52 km (32 mi) distance
    | EMSC | Details
  • 07 Jul 2018 17:48 UTC
    | M 4.8 |
    12 km (7.5 mi) depth
    |
    364 km (226 mi) distance
    | EMSC | Details
  • 30 Jun 2018 00:43 UTC
    | M 4.7 |
    181.5 km (112.8 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • 24 Jun 2018 05:16 UTC
    | M 4.5 |
    116.9 km (72.6 mi) depth
    |
    366 km (227 mi) distance
    | USGS | Details
  • 15 Jun 2018 00:37 UTC
    | M 5.3 |
    10 km (6.2 mi) depth
    |
    116 km (72 mi) distance
    | GFZ | Details
  • 02 Jun 2018 09:12 UTC
    | M 4.6 |
    217 km (134.8 mi) depth
    |
    7 km (5 mi) distance
    | GFZ | Details
  • 01 Jun 2018 10:06 UTC
    | M 5.3 |
    10 km (6.2 mi) depth
    |
    144 km (90 mi) distance
    | GFZ | Details
  • 30 May 2018 03:29 UTC
    | M 4.6 |
    138 km (85.7 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 29 May 2018 19:31 UTC
    | M 4.6 |
    64.7 km (40.2 mi) depth
    |
    328 km (204 mi) distance
    | USGS | Details
  • 28 May 2018 17:51 UTC
    | M 4.6 |
    210 km (130.5 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 25 May 2018 02:12 UTC
    | M 4.8 |
    35.5 km (22.1 mi) depth
    |
    264 km (164 mi) distance
    | USGS | Details
  • 06 May 2018 07:00 UTC
    | M 5.1 |
    139 km (86.4 mi) depth
    |
    54 km (33 mi) distance
    | GFZ | Details
  • 02 May 2018 04:41 UTC
    | M 4.6 |
    116 km (72.1 mi) depth
    |
    82 km (51 mi) distance
    | EMSC | Details
  • Show all

Earlier earthquakes in the same area since 1900

Major mag. 7.6 earthquake - Mariana Islands on Friday, 29 July 2016

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.
Home | Travel | Destinations | Volcanoes | Photos | Earthquakes | About | Glossary | News | Contact | Privacy | Imprint || Français | Deutsch
Follow us: