M 7.3 earthquake – The 1992 Landers, California Earthquake
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Local time: Jun 28, 1992 · 04:57 (UTC-7)
MajorShallow · -0.1 km
Reviewed by a seismologist
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- Magnitude
- 7.3moment magnitude (mw)
- Depth
- -0.1 kmShallow earthquake
- Epicenter
- 34.200, -116.43710 km from Yucca Valley
- Energy released
- 1.3 megatons of TNTabout 90 × Hiroshima
- Felt reports
- 657"Did You Feel It?" responses
- Shaking intensity
- 9.3max. instrumental (MMI)
- Aftershocks
- 42M2.5+ within 110 km, up to 60 days
- Significance
- 1,411USGS score, 0–1,000+
The strongest here since 1952
The last earthquake at least as strong within 300 km struck on Jul 21, 1952.
How strong was it?
Major earthquake. It released 1.3 megatons of TNT, 2,818 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
42 earthquakes of M2.5+ within 110 km in the 60 days after.
- 5.8 3km NE of Yucca Valley, California Jun 28, 1992
- 5.7 2km SSW of Joshua Tree, California Jun 28, 1992
- 5.0 7km SSW of Yucca Valley, California Jun 28, 1992
- 5.0 1km SSE of Yucca Valley, California Jun 28, 1992
- 4.5 4km WNW of Joshua Tree, California Jun 28, 1992
- 5.5 0km E of Yucca Valley, CA Jun 28, 1992
- 5.4 26km NNW of Yucca Valley, CA Jun 28, 1992
- 4.9 34km NNW of Joshua Tree, CA Jun 28, 1992
- 4.5 4km ESE of Yucca Valley, California Jun 28, 1992
- 4.9 6km NNE of Yucca Valley, California Jun 28, 1992
The strongest earthquakes within 300 km
Since 1900, around United States.
- 7.5 The 1952 Kern County, California Earthquake Jul 21, 1952
- 7.2 The 2010 Sierra El Mayor, B.C., Mexico Earthquake Apr 4, 2010
- 7.1 Ridgecrest Earthquake Sequence Jul 6, 2019
- 7.1 The 1999 Hector Mine, California Earthquake Oct 16, 1999
- 6.9 The 1940 Imperial Valley, California Earthquake May 19, 1940
- 6.8 34km ENE of Maneadero, B.C., MX Feb 9, 1956
- 6.7 Northridge, California, earthquake Jan 17, 1994
- 6.7 The 1918 San Jacinto, California Earthquake Apr 21, 1918