- Type:
- Earthquake
- Date:
- July 23, 1927 CE
- Location:
- 151 km SSE of Semnan, Iran
- Magnitude:
- 5.91 Mw
- Depth:
- 15 km
Cross-catalog records
This event is recorded in 6 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 5.91
- USGS_COMCAT: Mw 6.36
- USGS_COMCAT: Mw 5.67
- USGS_COMCAT: Mw 5.65
- USGS_COMCAT: Mw 5.96
- USGS_COMCAT: Mw 5.42
Other earthquake records of 1927 CE
- China, Gansu Province · Mw 7.7 · 40,912 deaths
- Japan, Honshu: Sw · Ms 7.3 · 3,022 deaths
- Israel / Jordan, Damiya · Ms 6.3 · 268 deaths
- Indonesia, Sulawesi: Donggala · Mw 6.2 · 50 deaths
- Taiwan · M 6.8 · 30 deaths
- Ukraine, Crimea: Sebastopol · Ms 6.8 · 11 deaths
Press of the period
Archive newspaper issues published within a few days of this event. These issues may not report the event itself; they offer a direct window onto the press of the period.
- Dziennik Białostocki R.5July 23, 1927open in archive ↗
- Victoria Daily TimesJuly 21, 1927open in archive ↗
Source: U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat) · License: U.S. Public Domain (USGS) · institutional record ↗
Frequently asked questions
- When did M 5.9 - 151 km SSE of Semnan, Iran (1927 CE) happen?
- July 23, 1927 CE.
- Where does this information come from?
- This record comes from U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat); it was not hand-authored and is stored together with its source.
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