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r/geology PUBLIC

The scientific study of the origin, history, and structure of the Earth.

289,900 members
Created: Feb 2009
Language: EN
POSITIVE SENTIMENT
Last analyzed: Jul 11, 2026 14:00
Marketing Summary

r/geology is a PUBLIC community on Reddit with over 289,900 members. It currently has a positive sentiment with an engagement rate of 0.3%. With a community friendliness score of 80, this subreddit presents a moderate conversion potential for authentic brand participation. Strict rules against self-promotion are in place, so marketing should focus strictly on value-driven community engagement.

80
Friendliness Score
0.3%
Engagement Rate
53
Conversion Potential
2.0%
Monthly Growth
Marketing Analytics
79.3
Avg Post Score
19.4
Avg Comments
25
Brand Mentions
0
Posts/Hour
Top Post Types
text 60.0% (30)
link 24.0% (12)
image 16.0% (8)
Peak Activity Hours
Times shown in UTC (Coordinated Universal Time) Local times are automatically converted based on your browser's timezone
2PM UTC
High
~38 active
4AM UTC
Medium
~5 active
Community Culture
Community Sentiment POSITIVE
Friendliness Score: 80/100
8.2K
Avg User Karma of Top Posts
30%
Commercial Acceptance
Content Preferences
Moderation Patterns
Rules & Compliance
12
Total Rules
Images
Videos
Self Promotion
Require Flairs
Public
Posting Requirements & Restrictions
No limit
Minimum Karma
No limit
Min Account Age (days)
ANY
Submission Type
Enabled
Flair System
Subreddit Rules
  1. Be civil and respectful: Offensive, abusive language, and uncivil behaviour will not be tolerated. Please maintain a high degree of professionalism during discussions and be respectful to other members; several of our members are seasoned professionals with numerous decades of experience. We welcome and value people of all backgrounds, specialists or not, to this community. Please do not post here with the intention of “sea-lioning”.
  2. Identification posts must be posted in the monthly thread: ID posts must be submitted as top-level comments in the monthly pinned thread. ID posts submitted to r/geology in any other way will be removed. Please take the time to read the pinned thread and provide the additional information that will help us identify your sample.
  3. No Spam: Please do not produce multiple submissions of similar content within a short timeframe. Use albums to submit multiple images at the same time, and linked comments to share any additional information relevant to your post, rather than adding a new submission.
  4. No AI-generated content: Do not post any AI generated content - be it text, images, video, or anything else.
  5. No Homework, Exam, or Lab questions: The moderator team believes that it is not the place for r/geology subscribers to answer homework questions. The first point of contact for help should be the course/school/college/university instructor who assigned the work. Obvious transcriptions and/or screenshots of this type of material will be removed.
  6. No pseudoscience, alternative medicine, or misinformation: Geology is a science, and this sub should exist as a platform for the appreciation, discussion, and criticism of testable science. Do not attempt to proliferate pet-theories and speculation as fact.
  7. Give credit for images, videos, and information: If you post something that is not original content, please try to give credit to the original source (as a linked comment, for instance). If an image or video that you are posting was captured by you, please using the Original Content [OC] tag during your submission.
  8. Self-promotion: Submitting original content is allowed, but please make it clear that it is your own content being shared, and be aware of the site-wide [guidance](https://www.reddit.com/wiki/selfpromotion) from Reddit on self promotion posts. Do not use this community as a platform for advertisement whilst otherwise not engaging in regular discussion. Do not post anything asking for upvotes/likes/subscribers, or containing paid promotional material - such content is cause for removal and potential ban.
  9. No Recent/Common Reposts: Please do not knowingly repost any material that has previously been submitted to r/geology. We acknowledge that things can be reposted unintentionally (we do not expect every poster to flick through the sub to see if it has been posted before). If you see something that you believe to be a repost, please report it so the moderators are alerted to this. Be aware that reposts could be removed by the moderators.
  10. Imagery of deadly disasters must have a geologic focus, and be posted with the corresponding flair: Deadly disasters happen in geology, and the geology of such disasters should be discussed. However, it is not appropriate to post excessively graphic imagery of such, or imagery that isn't focused on the disaster itself. Respect must be maintained for the dead.
  11. As well, for the benefit of the users of this sub, the NSFW marking is insufficient warning of such content, so it **must** be flaired with the "Deadly Disaster Imagery" flair.
  12. Moderator discretion applies: These rules are not exhaustive but are intended to cover most common submission and comment-related issues. The moderators have the ability to remove content where they deem it to be appropriate.
Available Flairs
Marketing Data Updated
Jul 11, 2026
Rules Updated
Jul 27, 2026
Compliance Updated
Jul 27, 2026

What is r/geology?

r/geology is a public Reddit community created in February 2009 with over 289,900 members. The scientific study of the origin, history, and structure of the Earth.

The community has a positive sentiment and an engagement rate of 0.3%. With a friendliness score of 80, it is considered very welcoming to new members.

Self-promotion is not allowed, so marketing efforts should focus on providing genuine value to the community.

Frequently Asked Questions about r/geology

r/geology is a public Reddit community with 289,900 members. The scientific study of the origin, history, and structure of the Earth.

With a conversion potential of 53 and an engagement rate of 0.3%, r/geology presents a moderate opportunity for authentic brand participation. Self-promotion is not allowed, so focus on providing genuine value to the community.

r/geology has 12 community rules.

r/geology has an engagement rate of 0.3% with an average post score of 79.3 and an average of 19.4 comments per post. The community sentiment is positive with a friendliness score of 80 out of 10.
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