Gutenberg–Richter law
E376757
The Gutenberg–Richter law is an empirical relationship in seismology that expresses how the frequency of earthquakes decreases exponentially with increasing magnitude.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gutenberg–Richter law canonical | 4 |
| Gutenberg–Richter magnitude–frequency relation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3644684 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gutenberg–Richter law Context triple: [moment magnitude scale, relatedTo, Gutenberg–Richter law]
-
A.
Richter magnitude scale
The Richter magnitude scale is a logarithmic scale used to quantify the amount of seismic energy released by an earthquake based on instrumental measurements.
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B.
moment magnitude scale
The moment magnitude scale is a modern logarithmic measure of earthquake size that estimates the total energy released, providing more accurate and consistent results than older magnitude scales for large events.
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C.
Einstein bed-load function
The Einstein bed-load function is a seminal hydraulic engineering formula developed by Hans Albert Einstein to predict the transport rate of sediment particles rolling and sliding along a riverbed under flowing water.
-
D.
Modified Mercalli intensity scale
The Modified Mercalli intensity scale is a seismic scale that qualitatively measures the observed effects and damage of an earthquake on people, structures, and the Earth's surface.
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E.
Lusser's law
Lusser's law is a reliability engineering principle that states the overall reliability of a system is the product of the reliabilities of its individual components, highlighting how system reliability decreases as more components are added in series.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gutenberg–Richter law Target entity description: The Gutenberg–Richter law is an empirical relationship in seismology that expresses how the frequency of earthquakes decreases exponentially with increasing magnitude.
-
A.
Richter magnitude scale
The Richter magnitude scale is a logarithmic scale used to quantify the amount of seismic energy released by an earthquake based on instrumental measurements.
-
B.
moment magnitude scale
The moment magnitude scale is a modern logarithmic measure of earthquake size that estimates the total energy released, providing more accurate and consistent results than older magnitude scales for large events.
-
C.
Elementary Seismology
"Elementary Seismology" is a foundational textbook on the principles and methods of studying earthquakes and seismic waves, authored by pioneering seismologist Charles Francis Richter.
-
D.
Einstein bed-load function
The Einstein bed-load function is a seminal hydraulic engineering formula developed by Hans Albert Einstein to predict the transport rate of sediment particles rolling and sliding along a riverbed under flowing water.
-
E.
Modified Mercalli intensity scale
The Modified Mercalli intensity scale is a seismic scale that qualitatively measures the observed effects and damage of an earthquake on people, structures, and the Earth's surface.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
empirical law
ⓘ
seismology concept ⓘ |
| appliesTo |
earthquake catalogs
ⓘ
induced seismicity ⓘ tectonic earthquakes ⓘ |
| assumes |
complete earthquake catalog above a magnitude threshold
ⓘ
stationary seismicity over the analysis period ⓘ |
| canBeEstimatedBy |
least-squares fitting of frequency–magnitude data
ⓘ
maximum likelihood methods ⓘ |
| characterizes | earthquake size distribution ⓘ |
| describes |
frequency–magnitude distribution of earthquakes
ⓘ
relationship between earthquake magnitude and occurrence rate ⓘ |
| developedInField | 20th-century seismology ⓘ |
| expresses | cumulative number of earthquakes above a given magnitude ⓘ |
| field | seismology ⓘ |
| hasConsequence |
linear trend in log-frequency versus magnitude plots
ⓘ
power-law distribution of earthquake sizes ⓘ |
| hasMathematicalForm | log10 N = a − bM ⓘ |
| hasParameter |
a-value
ⓘ
b-value ⓘ |
| implies |
earthquake frequency decreases exponentially with increasing magnitude
ⓘ
small earthquakes are much more frequent than large earthquakes ⓘ |
| influenced | development of modern seismic hazard maps ⓘ |
| mathematicalNature | log-linear relationship ⓘ |
| mayDeviateFor |
largest earthquakes
ⓘ
very small earthquakes ⓘ |
| namedAfter |
Beno Gutenberg
ⓘ
Charles Francis Richter ⓘ |
| parameterRole |
a-value represents overall seismicity rate
ⓘ
b-value represents relative proportion of small to large earthquakes ⓘ |
| relatedTo |
Omori law
ⓘ
Richter magnitude scale ⓘ moment magnitude scale ⓘ seismic moment–frequency distribution ⓘ |
| scaleInvariance | reflects self-similarity of earthquake processes ⓘ |
| supports |
design of earthquake-resistant structures
ⓘ
estimation of maximum expected ground motion ⓘ |
| typicalBValue | approximately 1 ⓘ |
| usedBy |
earthquake engineers
ⓘ
hazard modelers ⓘ seismologists ⓘ |
| usedFor |
earthquake forecasting models
ⓘ
estimating recurrence intervals of earthquakes ⓘ probabilistic seismic hazard analysis ⓘ seismic hazard assessment ⓘ seismic risk analysis ⓘ |
| validityRange | intermediate magnitude range of earthquakes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Gutenberg–Richter law Description of subject: The Gutenberg–Richter law is an empirical relationship in seismology that expresses how the frequency of earthquakes decreases exponentially with increasing magnitude.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gutenberg–Richter magnitude–frequency relation