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Pacific WatchPacific Watch
OverviewAlerts
WeatherWindSurf & TidesMaritimeAir Quality
Water QualityRainfallDroughtMesonet StationsClimate History
TsunamiHurricane TrackerSeismicVolcanoesWildfiresBox Jellyfish
Power OutagesWater Main BreaksTraffic & Road ClosuresTheBus DisruptionsCamerasInternet, TV & CellularDamsStreamsReservoirs
HealthNews & RadioSocialEvents
Police DispatchesHelp Identify SuspectsMissing PersonsStolen ItemsCrime IncidentsTraffic Incidents311 Reports
Tsunami ZonesFlood Hazard MapWarning SirensChecklistBug Out BagEnergy PlannerKids PrepPet PrepHandbooksGarden Planner
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OverviewEmergencyWeather

Seismic

USGS earthquake activity across the Hawaiian Islands

Statewide seismic activity

0
All quiet
No quakes recorded
Past 24h
0
Past 7 days
0
M4+ events
0
Max magnitude
—

Recent Earthquakes

Past 7 days · M1.5+

No seismic activity recorded

Magnitude scale

Richter-like moment magnitude (Mw)

Micro
< 2
Not felt
Weak
2–3
Rarely felt
Minor
3–4
Felt indoors
Light
4–5
Felt widely
Moderate
5–6
Damage possible
Strong
6+
Major damage

Each full magnitude step = ~32× the energy. A M5 releases roughly 1,000× the energy of a M3. Hawaiʻi's most common source is volcanic activity along Kīlauea's flanks (shallow swarms) and deep events beneath the island chain.

Volcanoes

Swarms often precede eruptions

Tsunami

Large quakes trigger waves

Data from USGS Earthquake Hazards Program · Hawaii region M1.5+ · updated every 3 minutes

Each magnitude step ≈ 32× the energy