Reviewed by USGSIndonesia84y ago
M7.4 earthquake 78 km NNW of Curup, Indonesia
Tuesday, June 8, 1943, 20:42:43 UTC · 2.840°S, 102.195°E
A magnitude 7.4 earthquake struck 78 km NNW of Curup, Indonesia on Tuesday, June 8, 1943, 20:42:43 UTC, at a depth of 15.0 km (shallow). It is the strongest earthquake within 300 km since an M7.5 on June 25, 1914.
- Magnitude
- 7.4
- Major · mw
- Depth
- 15 km
- Shallow
- Felt reports
- 0
- Did You Feel It?
- Est. shaking
- VII
- Very strong (ShakeMap)
- PAGER alert
- None
- Not issued
- Tsunami
- No flag
- USGS feed
Outlined circle: this earthquakeColoured lines: estimated shaking intensity (USGS ShakeMap)
In context
How big was it, and why here?
Energy released
1.8 megatons of TNT
That is about 118 times the Hiroshima bomb. It released about 3,715 times the energy of a magnitude 5.0.
Tectonic setting
284 km
from the nearest mapped plate boundary, between the Sunda and Australian plates. Earthquakes this far from a boundary happen on faults inside a plate, often less frequently but sometimes strongly.
Depth: shallow
15 km
Shallow earthquakes (under 70 km) produce the strongest surface shaking for their size, so they are the ones most likely to cause damage near the epicenter.
Did You Feel It?
Where it was felt
No “Did You Feel It?” reports have been published for this event yet. If you felt it, you can add your report on the USGS website.
I felt it — report to USGS ↗USGS PAGER estimate
Who was exposed to shaking
USGS publishes PAGER impact estimates for significant earthquakes, usually within an hour. No PAGER estimate is available for this event.
After the main event
Aftershocks within 200 km
USGS has not published any M2.5+ earthquake within 200 km in the 30 days after this event.
Regional history
Past M5+ earthquakes within 300 km
USGS lists 31 M5.0+ earthquakes within 300 km before this one (catalog from 1900; older records are less complete). The strongest:
- 7.676 km SSW of Sungai Penuh, IndonesiaJune 3, 1909 · 113 km W of this epicenter
- 7.573 km WSW of Bengkulu, IndonesiaJune 25, 1914 · 144 km SW of this epicenter
- 7.3161 km S of Bengkulu, IndonesiaSeptember 25, 1931 · 270 km S of this epicenter
- 7.0164 km SSW of Pagar Alam, IndonesiaFebruary 10, 1931 · 283 km S of this epicenter
- 6.769 km SSE of Bengkulu, IndonesiaApril 15, 1916 · 172 km S of this epicenter
- 6.7106 km S of Sungai Penuh, IndonesiaJuly 1, 1926 · 101 km W of this epicenter
- 6.668 km SSW of Pagar Alam, IndonesiaFebruary 14, 1931 · 218 km SE of this epicenter
History · NOAA
Deadliest earthquakes in this area
NOAA’s significant-earthquake database lists 11 damaging, deadly or tsunami-generating earthquakes within 300 km of this epicenter since 1700, which together caused about 20 recorded deaths. The most severe:
- 1914M7.6
Sumatera
25 Jun 1914 · 128 km away
20 deathsLimited damage (under $1M)tsunami
- 1909M7.6
Sw Sumatra: Kerintji, Redjanglebong
3 Jun 1909 · 162 km away
Severe damage ($5–24M)tsunami
- 1770M7.0
Sumatra:
1770 · 241 km away
Severe damage ($5–24M)tsunami
- 1833M8.3
Sumatra: Bengkulu
24 Nov 1833 · 192 km away · intensity IX
Moderate damage ($1–5M)tsunami
- 1931M7.4
Sw. Sumatra
25 Sep 1931 · 248 km away · intensity VIII
Limited damage (under $1M)tsunami
- 1818M7.0
Sumatra: Bengkulu
18 Mar 1818 · 150 km away · intensity IX
Limited damage (under $1M)tsunami
NOAA NCEI Global Significant Earthquake Database. Historical figures are estimates; older records are incomplete.