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Moderate mag. 5.5 earthquake - Mariana Islands on Sunday, 22 March 2015

Moderate mag. 5.5 earthquake - Mariana Islands on Sunday, 22 March 2015

Moderate mag. 5.5 earthquake  - Mariana Islands on Sunday, 22 March 2015
22 Mar 06:03 UTC: First to report: GFZ after 7 minutes.
Hypocenter depth recalculated from 10.0 to 20.0 km.
Date & time: Sunday, 22 March 2015 05:56 UTC
Magnitude: 5.5
Depth: 20.0 km
Epicenter latitude / longitude: 13.21°N / 145.77°E (Guam)
Nearest volcano: NW Rota-1 (193 km / 120 mi)
Nearby towns and cities:
102 km (63 mi) SE of Yigo Village (pop: 20,500)
106 km (66 mi) SE of Dededo Village (pop: 44,900)
108 km (67 mi) SE of Mangilao Village (pop: 15,200)
109 km (68 mi) SE of Barrigada Village (pop: 8,900)
110 km (68 mi) E of Yona Village (pop: 6,500)
111 km (69 mi) SE of Tamuning-Tumon-Harmon Village (pop: 19,700)
Primary data source: GFZ
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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
Sun, 22 Mar 05:56 UTCM 5.5 / 20 kmMariana IslandsGFZ
Sun, 22 Mar 05:56 UTCM 5.5 / 30 kmGUAM REGIONEMSC
Sunday, March 22, 2015 15:56:22 (22 Mar 05:56:22 UTC)M 5.5 / 10 km90km ESE of Yigo Mayor's Office, GuamUSGS

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 5.5 quake: Mariana Islands, 22 Mar 2015 05:56

More info
Recorded aftershocks, latest first (2 quakes):
  • 19 May 2015 00:25 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    28 km (17 mi) distance
    | GFZ | Details
  • 17 May 2015 14:37 UTC
    | M 4.5 |
    59 km (36.7 mi) depth
    25 km (15 mi) distance
    | EMSC | Details

Earlier earthquakes in the same area

Moderate mag. 5.5 earthquake - Mariana Islands on Sunday, 22 March 2015

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