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The June 27, 1998 earthquake

M5.1near Kalaoa, Hawaii

A magnitude 5.1 earthquake 2.5 miles deep, 26.8 miles off Hawaii County. The 75th strongest in Hawaii’s record since 1900, and the strongest within 50 miles since a magnitude 5.1 on February 3, 1987.

The earthquake

Magnitude
5.1
duration magnitude (md)
Depth
2.5 mi
4.1 km below the surface
Local time
Saturday, June 27, 1998
00:11 HST; 10:11 UTC
Epicentre
20.06°N, 156.33°W
26.8 mi from Hawaii County
In Hawaii’s record
75th
strongest of 39,637 since 1900
Within 50 miles
2
counties; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event hv1226150 (“51 km NW of Kalaoa, Hawaii”). The USGS event page carries the ShakeMap, felt reports and the official summary.

Counties and cities within 50 miles

Distance from the epicentre to each county boundary (zero when inside) and to each city centre.

Counties

Earthquakes around the epicentre

643 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.

Earthquakes of magnitude 3 or more within 50 miles of the epicentre, by year 1973: 25 1974: 10 1975: 14 1976: 13 1977: 16 1978: 15 1979: 18 1980: 16 1981: 15 1982: 19 1983: 11 1984: 7 1985: 12 1986: 8 1987: 29 1988: 58 58 1989: 10 1990: 8 1991: 16 1992: 8 1993: 7 1994: 1 1995: 3 1996: 7 1997: 14 1998: 28 1999: 8 2000: 3 2001: 4 2002: 3 2003: 2 2004: 3 2005: 6 2006: 35 2007: 10 2008: 7 2009: 7 2010: 13 2011: 5 2012: 11 2013: 8 2014: 13 2015: 9 2016: 7 2017: 13 2018: 10 2019: 10 2020: 5 2021: 14 2022: 10 2023: 12 2024: 8 2025: 19 19731978198319881993199820032008201320182023

Earlier earthquakes of magnitude 5 or more within 50 miles, strongest first

USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.