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Very strong mag. 6.3 earthquake - 23 km south of Keri, Zakynthos, Ionian Islands, Greece, on Wednesday, August 27, 1958 at 15:16 GMT

Very strong mag. 6.3 earthquake - 23 km south of Keri, Zakynthos, Ionian Islands, Greece, on Wednesday, August 27, 1958 at 15:16 GMT Very strong mag. 6.3 earthquake - 23 km south of Keri, Zakynthos, Ionian Islands, Greece, on Wednesday, August 27, 1958 at 15:16 GMT

Very strong magnitude 6.3 earthquake at 15 km depth

Earthquake details

Date & timeAug 27, 1958 15:16:36 UTC
Local time at epicenter
StatusConfirmed
Magnitude6.3
Depth15.0 km
Epicenter latitude / longitude37.473°N / 20.716°E (Ionian Sea, Greece)
Antipode37.473°S / 159.284°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoSousaki (215 km / 134 mi)
Nearby towns and cities29 km (18 mi) SSW of Lithakia (Zákynthos) (pop: 1,310) | Show on map | Quakes nearby
38 km (23 mi) SSW of Zakynthos (pop: 11,500) | Show on map | Quakes nearby
40 km (25 mi) S of Katastari (pop: 1,380) | Show on map | Quakes nearby
63 km (39 mi) SW of Gastouni (pop: 8,110) | Show on map | Quakes nearby
67 km (41 mi) WSW of Amaliada (pop: 16,800) | Show on map | Quakes nearby
68 km (42 mi) WSW of Pyrgos (Pirgos) (pop: 22,400) | Show on map | Quakes nearby
81 km (50 mi) SSE of Argostoli (pop: 9,820) | Show on map | Quakes nearby
124 km (77 mi) SW of Patras (pop: 168,000) | Show on map | Quakes nearby
133 km (82 mi) WNW of Kalamata (pop: 54,100) | Show on map | Quakes nearby
271 km (168 mi) WSW of Athens (pop: 664,000) | Show on map | Quakes nearby
Estimated seismic energy released1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) | about seismic energy
Show interactive Map
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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.
Mag.DepthLocationSource
6.315 kmIonian Sea (Greece)USGS
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.

Aftershocks

[More info]

Recorded aftershocks, latest first (3 quakes)

Date and timeMag
Depth
LocationDetails
Feb 7, 1959 20:08
64 years ago
5.1

15 km
40 km S of Zakynthos, Ionian Islands, GreeceMore
Sep 2, 1958 01:13
64 years ago
5.6

20 km
66 km SW of Zakynthos, Ionian Islands, GreeceMore
Aug 30, 1958 07:35
64 years ago
5.3

15 km
73 km SW of Zakynthos, Ionian Islands, GreeceMore

Earlier earthquakes in the same area

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