- Type:
- Earthquake
- Date:
- October 31, 1935 CE
- Location:
- Montana, Helena
- Magnitude:
- 6 Ms
- Deaths:
- 2
- Intensity (MMI):
- 8
- Damage:
- ~$6M (value at the time)
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):
- NOAA_SIGEQ: Ms 6
- NOAA_SIGEQ: Ms 6.2
- USGS_COMCAT: fa 5.9
- USGS_COMCAT: Mw 6.13
- USGS_COMCAT: Mw 5.93
- USGS_COMCAT: ML 5
Other earthquake records of 1935 CE
- Pakistan, Quetta · Ms 7.5 · 60,000 deaths
- Taiwan, Mialoi · Ms 6 · 3,276 deaths
- Taiwan, Xiinzhu · Ms 6.5 · 2,746 deaths
- Iran, Kevsut, Alborz, Sari · Mw 6.4 · 690 deaths
- Turkey, Kigi · Mw 6.1 · 540 deaths
- China, Sichuan Province · Ms 6 · 100 deaths
Source: NOAA National Centers for Environmental Information (NCEI), Global Significant Earthquake Database, doi:10.7289/V5TD9V7K · License: U.S. Government Work · institutional record ↗
Frequently asked questions
- When did 1935 CE Earthquake — Montana, Helena happen?
- October 31, 1935 CE.
- Where does this information come from?
- This record comes from NOAA National Centers for Environmental Information (NCEI), Global Significant Earthquake Database, doi:10.7289/V5TD9V7K; it was not hand-authored and is stored together with its source.
- How many people died?
- Recorded estimate: 2. Historical death tolls vary by source.
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