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Earthquakes & Volcanoes (Earth Sciences, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Earthquakes & Volcanoes (Earth Sciences, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 46 reviews, average rating 4.2 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $11.21 |
|---|---|
| Average rating | 4.2 |
| New releases (90 days) | 14% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 8% of the parent category Earth Sciences (578), one of the easier corners under it.
- The same niche in Books scores 33, 12 points higher than here; worth checking both.
- At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.
Top 10 Earthquakes & Volcanoes best sellers
-
INFLECTION POINT: AN APOCALYPTIC THRILLER (RING OF FIRE SERIES Book 1)
- List rank#1
- Price$4.99
- Rating4.6
- Reviews578
-
Continental Breach: Ring of Fire Series Book 3
- List rank#2
- Price$4.99
- Rating4.6
- Reviews182
-
Megathrust: Ring of Fire Series
- List rank#3
- Price$4.99
- Rating4.6
- Reviews316
-
Fractured Awakening: A Post-Apocalyptic Survival Thriller (Caldera Chronicles Book 1)
by D. C. Little
- List rank#4
- Price$2.99
- Rating4.6
- Reviews35
-
WRECKAGE ROAD: AN APOCALYPTIC THRILLER! (THE WRECKAGE SERIES Book 1)
- List rank#5
- Price$4.99
- Rating4.5
- Reviews1,637
-
A Crack in the Edge of the World: America and the Great California Earthquake of 1906
- List rank#6
- Price$2.99
- Rating4.3
- Reviews494
-
WRECKAGE RIVER: AN APOCALYPTIC THRILLER! (THE WRECKAGE SERIES Book 2)
- List rank#7
- Price$4.99
- Rating4.6
- Reviews879
-
Ring of Fire Cascadia: A Disaster Thriller
by Bobby Akart
- List rank#8
- Price$5.99
- Rating4.6
- Reviews1,485
-
Life of Ashes - Book 1: The First Hours (Life of Ashes Series)
by Ivan MERLIN
- List rank#9
- Price$2.99
- Rating4.0
- Reviews23
-
The Quake That Drained the Desert
by Mary Elizabeth Reynolds
- List rank#10
- Price$24.98
- Rating3.0
- Reviews1
Same niche in Books: Earthquakes & Volcanoes
FAQ
Is Earthquakes & Volcanoes a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 46 reviews and sells for $4.99.
How many reviews do you need to rank in Earthquakes & Volcanoes?
The median best seller has 46 reviews, and 59% of them have fewer than 100.
What do Earthquakes & Volcanoes best sellers cost?
The median price is $4.99; half of the best sellers are priced between $2.99 and $11.21.
Can new books break into Earthquakes & Volcanoes?
14% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.