M 8.6 - 81 km ESE of Adak, Alaska
- 1957-03-09 14:22:33 (UTC)
- 51.499°N 175.626°W
- 25.0 km depth
Official Magnitude Reference:
Johnson, J. M., Tanioka, Y., Ruff, L. J., Satake, K., Kanamori, H., & Sykes, L. R. (1994).
The 1957 great Aleutian earthquake.
Pure and Applied Geophysics, 142(1), 3-28.
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Estimated Intensity Map Origin - Review Status
- AUTOMATIC
- Magnitude
- 8.6 mw
- Depth
- 25.0 km
- Time
- 1957-03-09 14:22:33 UTC
View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 5.0
Contributors US
USGS National Earthquake Information Center, PDE