Major magnitude 7.0 earthquake - 22 km northwest of Nakaza Island, Solomon Islands, on Monday, August 17, 1959 at 21:04 GMT

Major magnitude 7.0 earthquake - 22 km northwest of Nakaza Island, Solomon Islands, on Monday, August 17, 1959 at 21:04 GMT Major magnitude 7.0 earthquake - 22 km northwest of Nakaza Island, Solomon Islands, on Monday, August 17, 1959 at 21:04 GMT

Major magnitude 7.0 earthquake at 25 km depth

Earthquake details

Date & timeAug 17, 1959 21:04:48 UTC
Local time at epicenter
Depth25.0 km
Epicenter latitude / longitude7.776°S / 156.328°E (Solomon Sea, Solomon Islands)
Antipode7.776°N / 23.672°W
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNonda (32 km / 20 mi)
Nearby towns and cities67 km (42 mi) WNW of Gizo (New Georgia Group) (pop: 6,150) | Show on map | Quakes nearby
134 km (83 mi) SSE of Buin (Papua New Guinea) (pop: 750) | Show on map | Quakes nearby
187 km (116 mi) SSE of Panguna (Papua New Guinea) (pop: 2,920) | Show on map | Quakes nearby
191 km (119 mi) SSE of Arawa (Papua New Guinea) (pop: 40,300) | Show on map | Quakes nearby
362 km (225 mi) W of Buala (pop: 2,700) | Show on map | Quakes nearby
429 km (267 mi) WNW of Malango (pop: 10,500) | Show on map | Quakes nearby
439 km (273 mi) WNW of Honiara (pop: 56,300) | Show on map | Quakes nearby
Estimated seismic energy released2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 atomic bombs!) | about seismic energy
Show interactive Map
[smaller] [bigger]
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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic 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.
7.025 kmSolomon IslandsUSGS
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.
Volcanoes & Earthquakes - new app for Android


[More info]

Recorded aftershocks, latest first (4 quakes)

Date and timeMag
Feb 6, 1961 21:45
62 years ago

45 km
65 km S of Arawa, Bougainville, Papua New GuineaMore
Oct 4, 1960 09:51
62 years ago

35 km
Solomon IslandsMore
Feb 24, 1960 21:37
63 years ago

50 km
Alu Island, Solomon IslandsMore
Nov 5, 1959 17:38
63 years ago

15 km
Solomon IslandsMore

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.
Volcanoes & Earthquakes
VolcanoDiscovery Home
Adventure & Study Travel
Tours to Volcanoes and Volcanic Areas: walking tours, photo tours, study tours Get our newsletter!
Company info
Contact | Legal info | Terms & conditions
Follow us
Follow us on facebook Follow us on Instagram Follow us on Twitter Visit our Youtube channel
EN | DE | EL | ES | FR | IT | RU
VolcanoDiscovery GmbH, Germany, Reg. nr.: HRB 103744, EU Tax Id: DE 310 395 322 owned and created by
Dr. Tom Pfeiffer, volcanologist, volcano photographer, tour organizer member of
Volcanological Society
Ecotourism Greece
Insured by R+V
VolcanoDiscovery © 2004- All Rights Reserved | Privacy - cookie settings