Earthquake LogM6.6 earthquake, Hawaii, 1938-01-23
MagnitudeM6.6mw
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Depth10 km
Time (UTC)1938-01-23 08:32
Rank in 193837 / 149among M6+
Rank since 19003309 / 14,458
Energy vs an M6×9approx.
10 km ENE of Wailua, Hawaii · 20.90, -156.06
M6.5+ within 300 km (largest first)
M7.7
M6.9
M6.7
M6.7
M6.7
M6.6
M6.5
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M6.5 1929-10-06 | 1929-10-06 07:51 | – | Hualālai area, Hawaii |
| M6.0 1927-03-20 | 1927-03-20 15:21 | – | 51 km NNE of Honoka‘a, Hawaii |
| M6.0 1926-03-20 | 1926-03-20 09:03 | – | 41 km NE of Hala‘ula, Hawaii |
| M6.1 1919-09-15 | 1919-09-15 03:50 | – | 11 km SE of Naalehu, Hawaii |
| M6.2 1918-11-02 | 1918-11-02 10:01 | – | 8 km SW of Volcano, Hawaii |
| M6.4 1915-03-28 | 1915-03-28 18:56 | – | Kaoiki area, Hawaii |
| M6.7 1908-09-21 | 1908-09-21 06:35 | – | Island of Hawai`i, Hawaii |
| M6.2 1905-05-04 | 1905-05-04 02:37 | – | Kilauea South Flank, Hawaii |
Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.