M 8.0 earthquake – 15 km ESE of San Gabriel Mixtepec, Mexico
·
Local time: Jun 16, 1928 · 21:19 (UTC-6)
GreatShallow · 20 km
Reviewed by a seismologist
Loading the map…
- Magnitude
- 8.0moment magnitude (mw)
- Depth
- 20 kmShallow earthquake
- Epicenter
- 16.065, -96.94426 km from Puerto Escondido
- Energy released
- 15 megatons of TNTabout 1,005 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 7.3max. instrumental (MMI)
- Aftershocks
- 5M2.5+ within 286 km, up to 60 days
- Significance
- 982USGS score, 0–1,000+
The strongest within 300 km on record
No earthquake this strong has been recorded this close since our catalog begins in 1900.
How strong was it?
Great earthquake. It released 15 megatons of TNT, 31,623 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
5 earthquakes of M2.5+ within 286 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Mexico.
- 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
- 7.6 5 km SSW of San Miguel Suchixtepec, Mexico Jan 15, 1931
- 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 27 km SSE of San Andrés Playa Encantada (El Podrido), Mexico Jul 30, 1909
- 7.5 6 km S of Copala, Mexico Mar 26, 1908