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

Muy fuerte terremoto magnitud 7.6 - Philippines Sea, 19 km SSW of Agrihan Island, Northern Mariana Islands, viernes, 29 jul. 2016

Muy fuerte terremoto magnitud 7.6 - Philippines Sea, 19 km SSW of Agrihan Island, Northern Mariana Islands, viernes, 29 jul. 2016

Major magnitude 7.6 earthquake at 245 km depth

29 Jul 21:24 UTC: Primero en informar: GFZ después de 6 minutos.
Profundidad recalculada de 209.0 a 213.0 km.
Jul 29 21:26: Magnitud recalculada de 7.6 a 7.7.
Profundidad recalculada de 213.0 a 211.0 km.
Profundidad recalculada de 211.0 a 209.0 km.
Jul 29 21:27: Magnitud recalculada de 7.7 a 7.8.
Profundidad recalculada de 209.0 a 207.0 km.
Profundidad recalculada de 207.0 a 201.0 km.
Profundidad recalculada de 201.0 a 194.0 km.
Jul 29 21:41: Magnitud recalculada de 7.8 a 7.7.
Profundidad recalculada de 194.0 a 245.0 km.
Jul 29 21:50: Magnitud recalculada de 7.7 a 7.6.
Fecha & hora: 29 Jul 2016 21:18:28 UTC
Magnitud: 7.6
Profundidad: 245.0 km
Epicentro latitud / longitud: 18.6°N / 145.57°E (Philippines Sea, Islas Marianas del Norte)
Volcán mas cercano: Agrigan (27 km / 17 mi)
Nearby towns and cities:
18 km al SSO de Agrihan Village (pop: 20) --> ¡Vea sismos cercanos!
56 km al NNO de Pagan Village (Pagan Island) (pop: 50) --> ¡Vea sismos cercanos!
113 km al NNO de Alamagan Village (pop: 15) --> ¡Vea sismos cercanos!
377 km al N de Saipan (pop: 48,200) --> ¡Vea sismos cercanos!
404 km al N de San Jose (pop: 15,000) --> ¡Vea sismos cercanos!
19 km al SSO de Agrihan Island --> ¡Vea sismos cercanos!
379 km al N de Saipan Island (pop: 48,200) --> ¡Vea sismos cercanos!
Fuente primaria de datos: GFZ (German Research Centre for Geosciences)
Energía liberada estimada: 1.6 x 1016 joules (4402 gigawatt hours, equivalent to 3.8 x 106 tons of TNT or 236.7 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.
MagnitudProfundidadUbicaciónFuente
M 7.6245 kmMariana IslandsGFZ
M 7.7269 km PAGAN REG., N. MARIANA ISLANDSEMSC
M 7.7212 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.
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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)
Volcanoes & Earthquakes - new app for Android

Aftershocks of the M 7.6 terremoto: Philippines Sea, 19 km al suroeste de Agrihan , Islas Marianas del Norte Fri, 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

Muy fuerte terremoto magnitud 7.6 - Philippines Sea, 19 km SSW of Agrihan Island, Northern Mariana Islands, viernes, 29 jul. 2016
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