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Strong mag. 6.5 earthquake - Mariana Islands on Tuesday, 28 August 2018 - information

Strong mag. 6.5 earthquake - Mariana Islands on Tuesday, 28 August 2018

Strong mag. 6.5 earthquake  - Mariana Islands on Tuesday, 28 August 2018
Date & time: Tuesday, 28 August 2018 22:35 UTC
Magnitude: 6.5
Depth: 10.0 km
Epicenter latitude / longitude: 16.64°N / 146.83°E (Northern Mariana Islands)
Nearest volcano: Zealandia Bank (120 km)
Primary data source: GFZ
Estimated released energy: 3.5*10^14 J (98.6 GWh / 84802 tons of TNT / 5.3 atomic bombs equivalent) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Tue, 28 Aug 2018
Tue, 28 Aug 22:35 UTCM 6.4 / 80 km ANATAHAN REG, N. MARIANA ISLANDSEMSC
Tue, 28 Aug 22:35 UTCM 6.4 / 59.9 km- 136km ENE of Anatahan, Northern Mariana IslandsUSGS

shake map
(shakemap: USGS)
"I felt it" reports:
Walnut, CA 91789 / MMI V (Moderate shaking)
Saipan / MMI V (Moderate shaking)
(203 km SW from epicenter) [Map] / MMI VII (Very strong shaking) (via app)
Koblerville (206.2 km SW from epicenter) [Map] / MMI IV (Light shaking)
(203.4 km SW from epicenter) [Map] / MMI V (Moderate shaking)
(205.4 km SW from epicenter) [Map] / MMI VII (Very strong shaking) (via app)
(423.1 km SSW from epicenter) [Map] / MMI IV (Light shaking)
Tamuning, Guam (418.6 km SSW from epicenter) [Map] / MMI IV (Light shaking)
Saipan, MP, 96950 / MMI IV (Light shaking): Light Shaking..happened twice.
(Northern Mariana Islands) (205 km SW from epicenter)(no details): I felt it (via EMSC)
Dededo (Guam) (403 km SW from epicenter)(no details): Couch shook. Lights swayed. Lasted 15-30 seconds. (via EMSC)
Oleai (Northern Mariana Islands) (199 km SW from epicenter)(no details): Just felt it (via EMSC)
Talofofo (Guam) (427 km SW from epicenter)(no details): Bed started to shake then shake harder. Listed maybe 30-45 seconds. (via EMSC)
Barrigada (Guam) (412 km SW from epicenter)(no details): Pretty common event it seems these happen about every couple of months. A lot of swaying and rumbles, but not much else. (via EMSC)
Dandan (Northern Mariana Islands) (203 km SW from epicenter)(no details): Felt a jolt and swaying then another a few seconds after. Scared the crap out of me! (via EMSC)
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
TimeMag. / DepthLocationMapSource

 

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