Reviewed by USGSTurkey109y ago
M5.6 earthquake 7 km W of Serinhisar, Turkey
Thursday, July 4, 1918, 11:25:37 UTC · 37.583°N, 29.180°E
A magnitude 5.6 earthquake struck 7 km W of Serinhisar, Turkey on Thursday, July 4, 1918, 11:25:37 UTC, at a depth of 15.0 km (shallow). It is the strongest earthquake within 300 km since an M6.0 on January 16, 1918.
- Magnitude
- 5.6
- Moderate · mw
- Depth
- 15 km
- Shallow
- Felt reports
- 0
- Did You Feel It?
- Est. shaking
- —
- No ShakeMap
- PAGER alert
- None
- Not issued
- Tsunami
- No flag
- USGS feed
Outlined circle: this earthquake
In context
How big was it, and why here?
Energy released
4 kilotons of TNT
That is about 1/4 of the Hiroshima bomb. It released about 9 times the energy of a magnitude 5.0.
Tectonic setting
81 km
from the nearest mapped plate boundary, between the Aegean Sea and Anatolian plates. Earthquakes cluster along boundaries like this one, where plates collide, pull apart or slide past each other.
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 75 km
USGS has not published any M2.5+ earthquake within 75 km in the 30 days after this event.
Regional history
Past M5+ earthquakes within 300 km
USGS lists 9 M5.0+ earthquakes within 300 km before this one (catalog from 1900; older records are less complete). The strongest:
- 7.115 km WSW of Burdur, TurkeyOctober 3, 1914 · 84 km E of this epicenter
- 6.14 km SE of Megálo Chorió, GreeceAugust 11, 1904 · 192 km W of this epicenter
- 6.021 km NNE of Karaburun, TurkeyJanuary 19, 1909 · 266 km NW of this epicenter
- 6.016 km NNW of Senirkent, TurkeyJanuary 16, 1918 · 136 km NE of this epicenter
- 5.922 km NNE of Yunak, TurkeyOctober 29, 1909 · 278 km NE of this epicenter
- 5.67 km N of Datça, TurkeyApril 30, 1911 · 158 km SW of this epicenter
- 5.511 km ESE of Işıklar, TurkeyJanuary 16, 1918 · 186 km NE of this epicenter
- 5.510 km SE of İscehisar, TurkeyOctober 11, 1914 · 197 km NE of this epicenter
History · NOAA
Deadliest earthquakes in this area
NOAA’s significant-earthquake database lists 40 damaging, deadly or tsunami-generating earthquakes within 300 km of this epicenter since 1700, which together caused about 35,128 recorded deaths. The most severe:
- 1883M7.3
Ayvalik, Izmir, Cesme
15 Oct 1883 · 273 km away · intensity X
15,000 deathsExtreme damage ($25M+)
- 1881M7.3
Khios; Turkey: Cesme
3 Apr 1881 · 267 km away · intensity XI
7,866 deathsExtreme damage ($25M+)tsunami
- 1914M7.0
Burdur, Kilinc, Keciborlu, Isparta
3 Oct 1914 · 99 km away · intensity IX
4,000 deathsExtreme damage ($25M+)
- 1855M6.7
Tayabas, Bursa
28 Feb 1855 · 291 km away · intensity X
2,200 deathsSevere damage ($5–24M)
- 1875M7.3
Capali, Dinar, Civril, Yaka
3 May 1875 · 106 km away · intensity X
1,300 deathsExtreme damage ($25M+)
- 1855M6.7
Bursa
29 Apr 1855 · 291 km away
1,300 deathsSevere damage ($5–24M)
NOAA NCEI Global Significant Earthquake Database. Historical figures are estimates; older records are incomplete.