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Track SERP Volatility in Google with SERP Seismometer

SERP Seismometer measures SERP fluctuations for 10K+ domains and keywords that we monitor daily. We track both desktop and mobile SERP volatility over the past 30 and 90 days to allow you full SERP visibility. Check below what’s the risk for a SERP earthquake according to our Seismograph

Did you
feel that?Risk Level: HighJan 27, 2026

Google Desktop SERP Volatility - Last 30 days average: 50

  • SERP Seismometer volatility score today is 65 (Jan 27) - Did you feel that??
  • The score has increased from 62 yesterday
  • The average score on our Richter scale for the last month was 50
  • Desktop
  • Jan 27, Risk range: 65
  • Low
  • Normal
  • High
  • Very High

Google Mobile SERP Volatility - Last 30 days average: 49

  • SERP Seismograph volatility score today is 65 (Jan 27) - Did you feel that??
  • The score has increased from 64 yesterday
  • The average score on our Richter scale for the last month was 49
  • Mobile
  • Jan 27, Risk range: 65

Monitor your organic ranking position on a daily basis

Spot trends, opportunities, and rank gains/drops to adjust your SEO or content strategy

Google SERP Volatility - Last 90 days average: 50

  • SERP Seismometer volatility in the past 90 days was 50 - Stable ground
  • Month over month we can see the earthquake risk level has decreased from 55 to 50
  • On Desktop only, our volatility scale averaged on 51 in the past 90 days
  • Desktop
  • Jan 27, Risk range: 65

Google Mobile SERP Volatility - Last 90 days average: 50

  • SERP Seismometer volatility in the past 90 days was 50 - Stable ground
  • On Mobile only, the earthquake risk level has decreased month over month from 56 to 49
  • Mobile
  • Jan 27, Risk range: 65

How does SERP Seismometer help me?

Similarweb’s SERP Seismometer Tool identifies and analyzes the ranking patterns of Google algorithm changes, in order to help you avoid ranking earthquakes. Every year Google launches many updates and although you'll see lots of buzz online about the big ones like Broad Core Updates and Product Review updates, but the smaller updates can also leave your rankings in a constant state of fluctuation.

So how can you tell if there’s an earthquake coming or if you’re on steady ground?

We developed the SERP Seismometer to provide you with comprehensive daily monitoring of ranking fluctuations and Google algorithm changes so you don't have to wait for the press to tell you that an update is rolling out.

Reading the Graphs

The numbers displayed on the SERP Seismometer graphs represent the change in rankings on a particular date; the higher the Risk Scale, the more Google's rankings have fluctuated. For example: yesterday's volatility level was 62 and today it’s 65 - so we see it has increased, and take action if needed.

The colors indicate the level of “earthquake risk” to search engine rankings - when you see orange, we think you should check your rankings and take precautionary measures; red means there’s an earthquake coming, and it's time to check your website's traffic and take more serious action to protect your rankings.

On our page you can see:

  • Today's earthquake risk level is Did you feel that??
  • The average risk level this month was Stable ground
  • The average risk level in the past 90 days was Stable ground
  • The average risk level has decrease month over month

Track your SERP ranking daily

Make sure you're ready for an earthquake by tracking the ranking of your keywords and topics in Similarweb Rank Tracker. Don't let ranking fluctuations surprise you, instead get ready with keyword and tag tracking, as well as competitor tracking, to be able to spot and analyze any changes in your own ranking - And act upon them