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r/Volcanology↗

Volcanology is the study of volcanoes, lava, magma, and related geological, geophysical and geochemical phenomena.

6.7k subscriberssince 2013

r/Volcanology has 6.7k members. Top topics: Volcanic Eruptions & Activity, Volcanic Eruptions & Peaks and Kilauea Eruptions.

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When to post on r/Volcanology

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

Size and growth

How r/Volcanology has grown

r/Volcanology

Subscriber growth

Subscribers over time

+7.1%since Jun 2025
Oct 20266.7k
Growing6.7k subscribers
Data since Mar 2018Live · through Oct 2026
r/Volcanology

Monthly activity

Posts, comments and authors per month

0posts
Sep 20260
BusierPeaked at 46 in Oct 2021
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/Volcanology

Top topics

Share of the subreddit's posts

  1. Volcanic Eruptions & Activity7.8%
  2. Volcanic Eruptions & Peaks3.4%
  3. Kilauea Eruptions3.1%
  4. Hawaii Volcanoes2.1%
  5. Yellowstone Geysers & Supervolcano1.7%

Can you post

Posting rules for r/Volcanology

Which post types r/Volcanology 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/Volcanology

The best day and hour for r/Volcanology, 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/Volcanology

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

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Who writes here

Who posts on r/Volcanology

Gender and age of the people who write on r/Volcanology, 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/Volcanology

Requests for recommendations, help and alternatives on r/Volcanology, 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

See all of r/Volcanology

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