M 7.6 earthquake – 5 km SSW of San Miguel Suchixtepec, Mexico
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Local time: Jan 14, 1931 · 18:50 (UTC-7)
MajorShallow · 35 km
Reviewed by a seismologist
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- Magnitude
- 7.6moment magnitude (mw)
- Depth
- 35 kmShallow earthquake
- Epicenter
- 16.049, -96.48633 km from Miahuatlán de Porfirio Díaz
- Energy released
- 3.8 megatons of TNTabout 253 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 6.8max. instrumental (MMI)
- Aftershocks
- 3M2.5+ within 166 km, up to 60 days
- Significance
- 889USGS score, 0–1,000+
The strongest here since 1928
The last earthquake at least as strong within 300 km struck on Jun 17, 1928.
How strong was it?
Major earthquake. It released 3.8 megatons of TNT, 7,943 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
3 earthquakes of M2.5+ within 166 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Mexico.
- 8.0 15 km ESE of San Gabriel Mixtepec, Mexico Jun 17, 1928
- 7.8 2 km NW of Teojomulco, Mexico Apr 15, 1907
- 7.7 2 km ESE of San Agustín Loxicha, Mexico Nov 29, 1978
- 7.6 8 km ENE of Apantla, Mexico Jul 28, 1957
- 7.5 6 km WSW of San Miguel Panixtlahuaca, Mexico Oct 9, 1928
- 7.5 15 km W of San Baltazar Loxicha, Mexico Sep 30, 1999
- 7.5 6 km S of Copala, Mexico Mar 26, 1908
- 7.4 8 km ENE of Santiago Xanica, Mexico Mar 22, 1928