earthquake
/ˈɜːrθkweɪk/
NOUN
1. Sudden shaking of the ground
A sudden movement or vibration of the Earth's surface caused by the release of energy within the Earth's crust, usually resulting from tectonic activity or volcanic processes.
1.1. Seismic activity and ground movement
Refers to the natural shaking or trembling of the ground caused by movements along geological faults or other seismic processes.
Synonyms
Examples
- The region experienced a sudden and powerful earthquake.
- Emergency response teams were dispatched immediately after the earthquake.
- The seismic sensors detected subtle movements preceding the earthquake.
- Residents were shaken by the intensity of the unexpected earthquake.
- The old buildings crumbled under the force of the devastating earthquake.
Related Words
- aftershock
- foreshock
- fault
- seismicity
- tectonic movement
- seismology
- epicenter
- hypocenter
- seismic wave
- ground motion
- magnitude
1.2. Earthquakes and related seismic events
Describes particular seismic disturbances, including smaller tremors, preliminary shocks, subsequent movements, and earthquakes occurring beneath the ocean.
Synonyms
- aftershock
- foreshock
- microearthquake
- seaquake
- tremor
- temblor
Examples
- Several aftershocks followed the major earthquake throughout the night.
- Scientists detected a small microearthquake beneath the mountain range.
- The underwater earthquake triggered a tsunami warning along the coast.
Related Words
- tsunami
- seismic event
- subduction
- tectonic plate
- fault line
- volcanic eruption
- seismic monitoring
NOUN
2. Sudden and dramatic upheaval
A major disturbance, disruption, or upheaval that causes substantial changes in an established situation, organization, society, or way of life.
2.1. Social and political upheaval
Refers metaphorically to a major disruption in political systems, social structures, governments, or established institutions.
Synonyms
Examples
- The political earthquake transformed the country's established institutions.
- The revolution caused an earthquake in the nation's political landscape.
- The unexpected uprising created a major upheaval throughout the region.
Related Words
- reform
- revolutionary change
- political instability
- regime change
- civil unrest
- insurgency
- transformation
2.2. Sudden disruption and widespread commotion
Describes an unexpected and dramatic disturbance that creates confusion, excitement, disorder, or considerable activity within a group or environment.
Synonyms
- commotion
- turmoil
- tumult
- upheaval
- pandemonium
- uproar
- ruckus
- rumpus
- hubbub
- hullabaloo
- furor
- furore
- bobbery
- bouleversement
- stir
- welter
Examples
- The announcement created an earthquake of excitement throughout the organization.
- The unexpected decision caused considerable turmoil among employees.
- The scandal sent an earthquake through the entertainment industry.
Related Words
- disturbance
- chaos
- disorder
- confusion
- unrest
- pandemonium
- excitement
- uproar
2.3. Sudden and explosive emotional disturbance
Refers to an intense outburst, paroxysm, or overwhelming emotional reaction that disrupts normal behavior or creates a dramatic change in someone's emotional state.
Synonyms
Examples
- The revelation caused an emotional earthquake within the family.
- His sudden outburst created a wave of confusion among the audience.
- The unexpected news triggered a paroxysm of anger and disbelief.