Major magnitude 7.3 earthquake - Ionian Sea, 27 km southeast of Pylos, Messenia, Peloponnese, Greece, on Monday, October 6, 1947 at 19:55 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Greece | Peloponnese | Attica
Major magnitude 7.3 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 36.728°N / 21.897°E↗ (Ionian Sea, Greece)
Antipode: 36.728°S / 158.103°W↗
Nearest volcano: Poros (160 km / 99 mi)
Nearby towns and cities:
20 km (12 mi) ESE of Methoni (pop: 1,170) --> See nearby quakes!
27 km (17 mi) SE of Pylos (pop: 2,350) --> See nearby quakes!
40 km (25 mi) SSW of Kalamata (pop: 54,100) --> See nearby quakes!
44 km (27 mi) SSE of Gargalianoi (pop: 6,280) --> See nearby quakes!
55 km (34 mi) SSE of Philiatra (pop: 6,970) --> See nearby quakes!
60 km (37 mi) W of Gythion (pop: 4,280) --> See nearby quakes!
61 km (38 mi) SW of Sparta (Sparti) (pop: 16,200) --> See nearby quakes!
61 km (38 mi) SSE of Kyparissia (Kiparissia) (pop: 5,030) --> See nearby quakes!
97 km (60 mi) SSW of Tripoli (pop: 26,600) --> See nearby quakes!
214 km (133 mi) SW of Athens (pop: 664,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 atomic bombs!) More info
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.
|7.3||15 km||southern Greece||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (1 quake)
- 22 Apr 1948 10:42 UTC| M 6.5 |15 km (9.3 mi) depth|239 km (148 mi) distance| USGS | Very strong mag. 6.5 earthquake - Ionian Sea, 34 km northwest of Kefalonia Island, Greece, on Thursday, April 22, 1948 at 10:42 (GMT)