2.1

M2.1 Earthquake 10 km SSW of Volcano, Hawaii — October 23, 2023

2023-10-23 22:09:28 UTC (2023-10-23) · approx. 12:09 PM UTC-10 local

MagnitudeM2.1(ml)
Time22:09 UTC≈ 12:09 PM UTC-10
Depth2.3 kmshallow crustal
Coordinates19.367°, -155.286°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 19.37°, -155.29°

Earthquake Details

Magnitude
2.1 ml
Depth
2.3 km
shallow crustal
Location
19.3673°N
-155.2865°E

Technical Information

Event ID
hv73621217
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
30
Azimuthal Gap
112.0°
Min Station Distance
0.020°
RMS Residual
0.10 sec
Last Updated
2025-07-24 23:28:05 UTC

Nearby Earthquakes (Last 7 Days)

2.6
10 km NE of Pāhala, Hawaii
4 days ago · 28.5 km deep
4.1
16 km SSE of Honaunau-Napoopoo, Hawaii
5 days ago · 23.0 km deep
3.0
11 km E of Hala‘ula, Hawaii
6 days ago · 41.1 km deep

Actions

View on USGSDid You Feel It?

Location

Hawaii
View all Hawaii earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: hv73621217). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, October 23, 2023). M2.1 Earthquake 10 km SSW of Volcano, Hawaii — October 23, 2023. Retrieved July 24, 2025 from https://www.earthquaketracker.org/earthquakes/event/hv73621217/