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r/askgeology↗

Ask geologists anything

A place to ask various questions pertaining to Geology and its processes!

45k subscribers211 posts / mo in Sep 2026173 authors / mosince 2014

r/askgeology has 45k members (+69% over the last 12 months). It gets about 211 posts a month from 173 people. Top topics: Identify Strange Rocks, Rock Identification Help and River Rocks.

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When to post on r/askgeology

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/askgeology, removal risk and the rest of the report are one step away.

Size and growth

How r/askgeology has grown

r/askgeology

Subscriber growth

Subscribers over time

+69%in 12 months · +16% in 3 months · +3.7% in 1 month
Oct 202645k
Growing45k subscribers
Data since Jun 2018Live · through Oct 2026
r/askgeology

Monthly activity

Posts, comments and authors per month

+57%vs Sep 2025 · +33% last 3 months vs the 3 before
Sep 2026211
BusierPeaked at 211 in Sep 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/askgeology

Top topics

Share of the subreddit's posts

  1. Identify Strange Rocks1.1%
  2. Rock Identification Help1.0%
  3. River Rocks0.7%
  4. Quartz Crystals & Inclusions0.7%
  5. Rock Finds0.7%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/askgeology

Which post types r/askgeology allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

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Timing and removals

How often posts get removed on r/askgeology

The best day and hour for r/askgeology, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

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What to post

What works on r/askgeology

Title and body length that does well on r/askgeology, and its mix of text posts, links, images, galleries and video.

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Who writes here

Who posts on r/askgeology

Gender and age of the people who write on r/askgeology, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

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How they talk

What people ask for on r/askgeology

Requests for recommendations, help and alternatives on r/askgeology, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

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The full report

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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research