Moderate mag. 5.1 earthquake - Samoa Islands Region on Tuesday, 30 May 1978 at 18:57 (GMT)

Moderate mag. 5.1 earthquake - Samoa Islands Region on Tuesday, 30 May 1978 at 18:57 (GMT)

Moderate magnitude 5.1 earthquake at 38 km depth

Date & time: 30 May 1978 18:57:42 UTC
Magnitude: 5.1
Depth: 38.0 km
Epicenter latitude / longitude: 15.266°S / 172.903°W (Samoa)
Nearest volcano: Curacoa (91 km / 57 mi)
Nearby towns and cities:
123 km (76 mi) NE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
180 km (112 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
185 km (115 mi) SSW of Mulifanua (pop: 4,510) --> See nearby quakes!
192 km (119 mi) SSW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
196 km (122 mi) S of Asau (pop: 6,640) --> See nearby quakes!
201 km (125 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
209 km (130 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
209 km (130 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
257 km (159 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
261 km (162 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 5.138 kmSamoa Islands regionUSGS
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 yet. If you felt it be the first to report it!
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Aftershocks of the 5.1 quake Samoa Islands Region 30 May 1978 18:57 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

Moderate mag. 5.1 earthquake - Samoa Islands Region on Tuesday, 30 May 1978 at 18:57 (GMT)
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