M 7.4 earthquake – 10 km ESE of Basak, Philippines
·
Local time: Dec 19, 1928 · 19:37 (UTC+8)
MajorShallow · 25 km
Reviewed by a seismologist
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- Magnitude
- 7.4moment magnitude (mw)
- Depth
- 25 kmShallow earthquake
- Epicenter
- 6.707, 124.24528 km from Kalamansig
- Energy released
- 1.9 megatons of TNTabout 127 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 6.9max. instrumental (MMI)
- Aftershocks
- 0M2.5+ within 127 km
- Significance
- 847USGS score, 0–1,000+
The strongest here since 1924
The last earthquake at least as strong within 300 km struck on Apr 14, 1924.
How strong was it?
Major earthquake. It released 1.9 megatons of TNT, 3,981 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around Philippines.
- 8.3 1918 Mindanao, Philippines Earthquake Aug 15, 1918
- 8.1 1924 Mindanao, Philippines Earthquake Apr 14, 1924
- 8.0 1972 Mindanao, Philippines Earthquake Dec 2, 1972
- 7.9 19 km WNW of Palimbang, Philippines Aug 16, 1976
- 7.9 47 km ESE of Kalbay, Philippines Mar 14, 1913
- 7.8 25 km SW of Kablalan, Philippines Jun 7, 2026
- 7.6 61 km W of Bantogon, Philippines Jul 23, 2010
- 7.5 72 km S of Panubigan, Philippines Jul 23, 2010