1935 Helena, USA Images

Location: almost directly beneath Helena. Affected area: 363,000 square kilometers. Damage: $4 million. A series of earthquakes beginning on October 3, 1935, shook the area. The strongest of the shocks was on October 18. Several shocks of lesser intensity were followed by a second strong earthquake on October 31 that destroyed many buildings that had been previously damaged. The shocks continued with additional strong shocks on November 21 and November 28.

Data and Resources

Field Value
accessLevel public
accrualPeriodicity irregular
bureauCode {006:48}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier gov.noaa.ngdc.mgg.photos:245
language {en-US}
modified 2012-02-01
old-spatial {"type": "Point", "coordinates": [-112.0, 46.6]}
programCode {006:059}
publisher DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce (Point of Contact)
resource-type Dataset
source_datajson_identifier true
source_hash 9aca0ef21f97cb5abc74c638ab46a4cb0a9a3454
source_schema_version 1.1
spatial {"type": "Point", "coordinates": [-112.0, 46.6]}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • boulder
  • boulder-world-data-service-for-geophysics
  • ckan
  • doc-noaa-nesdis-ngdc-national-geophysical-data-center
  • earth-science-human-dimensions-natural-hazards-geological-hazards
  • geo
  • geoss
  • national
  • nesdis
  • noaa
  • north-america
  • u-s-department-of-commerce
  • united-states
  • wds-mgg
isopen False
license_id notspecified
license_title License not specified
maintainer Heather McCullough
maintainer_email haz.info@noaa.gov
metadata_created 2025-11-22T15:14:17.484499
metadata_modified 2025-11-22T15:14:17.484503
notes Location: almost directly beneath Helena. Affected area: 363,000 square kilometers. Damage: $4 million. A series of earthquakes beginning on October 3, 1935, shook the area. The strongest of the shocks was on October 18. Several shocks of lesser intensity were followed by a second strong earthquake on October 31 that destroyed many buildings that had been previously damaged. The shocks continued with additional strong shocks on November 21 and November 28.
num_resources 3
num_tags 16
title 1935 Helena, USA Images