QuakeIndex

Earthquake · reviewed by a seismologist

M 5.9ml

2 km SW of Pāhala, Hawaii

· 37 km deep · released about 10 kilotons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Hawaii County 46 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 5.9 (ml)
Depth
37 km below the surface
Felt
5266 reports · strongest reported intensity VI
Measured shaking
intensity VII (ShakeMap)
USGS impact alert
green
Nearest
Hawaii County, 46 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 44 days ago

This was a moderate earthquake. Shaking at this size can damage poorly built structures close to the epicentre. 5266 people have reported feeling it to USGS.

How big was it?

This earthquake released about 10 kilotons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 6.9 would have released about 32 times as much.

  1. Ridgecrest, California 2019 M 7.1 68× the energy of this one
  2. Loma Prieta, California 1989 M 6.9 34× the energy of this one
  3. Northridge, California 1994 M 6.7 17× the energy of this one
  4. This earthquake M 5.9 about 10 kilotons of TNT
  5. Mineral, Virginia 2011 M 5.8 this one released 1.3× more
  6. Magna, Utah 2020 M 5.7 this one released 1.9× more

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

Where

Epicentre 19.1868, -155.4932. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Hawaii County, HI 46 km (28 mi) S of here earthquakes near Hawaii County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

60 earthquakes have been recorded within 50 km since this one.

  1. 1.8 4 km SSW of Pāhala, Hawaii
  2. 2.2 3 km SSW of Pāhala, Hawaii
  3. 2.0 0 km SSW of Pāhala, Hawaii
  4. 2.2 3 km S of Pāhala, Hawaii
  5. 1.8 3 km SW of Pāhala, Hawaii
  6. 2.0 3 km SW of Pāhala, Hawaii
  7. 2.6 1 km NW of Pāhala, Hawaii
  8. 2.2 1 km SE of Pāhala, Hawaii
  9. 1.7 2 km SSE of Pāhala, Hawaii
  10. 2.0 4 km SSW of Pāhala, Hawaii
  11. 1.9 2 km SSW of Pāhala, Hawaii
  12. 1.7 4 km SSW of Pāhala, Hawaii
  13. 1.9 3 km WNW of Pāhala, Hawaii
  14. 2.2 4 km S of Pāhala, Hawaii
  15. 1.9 2 km SW of Pāhala, Hawaii

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

For this area

The largest earthquake within 50 km in our catalogue was M 6.2 on 2021-10-10 — it released about 3.1 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.