Earthquakes on March 23, 2026
318
EARTHQUAKES on March 23, 2026
24-hour UTC period · USGS data
LARGEST: M5.7 — 106 km ENE of Hihifo, Tonga
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
48
M3.0–3.9
14
M2.0–2.9
87
M1.0–1.9
165
Activity Summary
318
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Significant Earthquakes (M4.5+)
5.7
106 km ENE of Hihifo, Tonga
06:02 UTC · 10.0 km deep
5.1
northern Mid-Atlantic Ridge
01:41 UTC · 10.0 km deep
5.1
western Indian-Antarctic Ridge
01:29 UTC · 10.0 km deep
5.0
125 km NE of Hihifo, Tonga
08:44 UTC · 10.0 km deep
4.9
Izu Islands, Japan region
23:49 UTC · 10.0 km deep
4.9
83 km WNW of Puerto, Chile
22:52 UTC · 16.4 km deep
Felt by 8
4.8
234 km SSW of ‘Ohonua, Tonga
04:23 UTC · 10.0 km deep
4.6
78 km ENE of Hihifo, Tonga
23:07 UTC · 10.0 km deep
Earthquake Map — March 23, 2026
All Earthquakes — March 23, 2026
Showing 30 of 153 (filtered from 318)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-03-23 2026-03-23 23:49:10 UTC | 4.9mb | Izu Islands, Japan region 32.329°, 142.447° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:49 UTC on March 23, 2026, a magnitude 4.9 tremor occurred in the Izu Islands, Japan region. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:47:17 UTC | 4.5mb | Izu Islands, Japan region 32.285°, 142.564° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake in the Izu Islands, Japan region at 23:47 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:39:18 UTC | 2.2ml | 36 km E of Bonanza, Oregon 42.145°, -120.970° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 36 km E of Bonanza, Oregon at 23:39 UTC on March 23, 2026. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:38:04 UTC | 2.5ml | 32 km SSW of Adak, Alaska 51.602°, -176.812° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 32 km SSW of Adak, Alaska with origin time 23:38 UTC on March 23, 2026. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:23:09 UTC | 2.3ml | 106 km ESE of Akutan, Alaska 53.748°, -164.286° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
March 23, 2026 brought a magnitude 2.3 earthquake 106 km ESE of Akutan, Alaska, logged at 23:23 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:14:03 UTC | 2.2ml | 4 km NNW of Rangely, Colorado 40.130°, -108.818° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:14 UTC on March 23, 2026, a magnitude 2.2 tremor occurred 4 km NNW of Rangely, Colorado. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:10:26 UTC | 4.3mb | 124 km E of Hihifo, Tonga -16.043°, -172.635° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 124 km E of Hihifo, Tonga on March 23, 2026 at 23:10 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:07:03 UTC | 4.6mb | 78 km ENE of Hihifo, Tonga -15.762°, -173.093° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 78 km ENE of Hihifo, Tonga came in on March 23, 2026 at 23:07 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 23:03:19 UTC | 4.3mwr | 87 km WNW of Puerto, Chile -20.015°, -70.967° | 14.4 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 87 km WNW of Puerto, Chile with origin time 23:03 UTC on March 23, 2026. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:52:17 UTC | 4.9mww | 83 km WNW of Puerto, Chile -19.991°, -70.916° | 16.4 km | 8 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 83 km WNW of Puerto, Chile at 22:52 UTC on March 23, 2026. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:51:19 UTC | 2.1ml | 54 km WNW of Anchor Point, Alaska 59.989°, -152.699° | 112.9 km | - | - | - | ✓ Reviewed | USGS → |
March 23, 2026 brought a magnitude 2.1 earthquake 54 km WNW of Anchor Point, Alaska, logged at 22:51 UTC. It arrived roughly 14 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:44:01 UTC | 4.3mb | Mid-Indian Ridge -21.662°, 69.073° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake near Mid-Indian Ridge at 22:44 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:33:27 UTC | 2.3ml | 17 km E of Ferry, Alaska 64.007°, -148.753° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026 at 22:33 UTC, a magnitude 2.3 earthquake struck 17 km E of Ferry, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:25:36 UTC | 2.4ml | 44 km S of Unalaska, Alaska 53.476°, -166.614° | 68.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 44 km S of Unalaska, Alaska on March 23, 2026, with origin time 22:25 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:23:15 UTC | 4.3mb | 75 km SSE of Kuril’sk, Russia 44.591°, 148.204° | 107.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:23 UTC on March 23, 2026, a magnitude 4.3 tremor occurred 75 km SSE of Kuril’sk, Russia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:20:12 UTC | 4.4mb | 101 km WNW of Puerto, Chile -20.014°, -71.100° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 101 km WNW of Puerto, Chile on March 23, 2026, with origin time 22:20 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:19:19 UTC | 4.6mwr | 92 km WNW of Puerto, Chile -20.031°, -71.012° | 12.1 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 92 km WNW of Puerto, Chile on March 23, 2026 at 22:19 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 22:18:42 UTC | 2.5ml | 96 km WNW of Arctic Village, Alaska 68.392°, -147.768° | 0.9 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 96 km WNW of Arctic Village, Alaska at 22:18 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 21:57:13 UTC | 2.2ml | 43 km SE of Pedro Bay, Alaska 59.466°, -153.656° | 122.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 43 km SE of Pedro Bay, Alaska on March 23, 2026 at 21:57 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 21:55:17 UTC | 3.2md | 89 km N of Cruz Bay, U.S. Virgin Islands 19.120°, -64.631° | 42.2 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026 at 21:55 UTC, a magnitude 3.2 earthquake struck 89 km N of Cruz Bay, U.S. Virgin Islands. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 21:31:54 UTC | 3.6ml | 78 km SSW of Unalaska, Alaska 53.188°, -166.840° | 35.0 km | - | II | - | ✓ Reviewed | USGS → |
On March 23, 2026, worldwide seismic activity registered a magnitude 3.6 earthquake 78 km SSW of Unalaska, Alaska at 21:31 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 21:18:38 UTC | 4.0mb | 210 km NW of Nagqu, China 32.658°, 90.316° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026, worldwide seismic activity registered a magnitude 4.0 earthquake 210 km NW of Nagqu, China at 21:18 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 21:03:03 UTC | 4.0mb | 86 km SSW of La Gloria, Mexico 15.431°, -94.428° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:03 UTC on March 23, 2026, a magnitude 4.0 tremor occurred 86 km SSW of La Gloria, Mexico. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 20:50:56 UTC | 3.0ml | 19 km NE of Wright, Wyoming 43.878°, -105.318° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 19 km NE of Wright, Wyoming with origin time 20:50 UTC on March 23, 2026. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 20:37:22 UTC | 4.2mb | 165 km SE of Petropavlovsk-Kamchatsky, Russia 52.252°, 160.676° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
March 23, 2026 brought a magnitude 4.2 earthquake 165 km SE of Petropavlovsk-Kamchatsky, Russia, logged at 20:37 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 20:21:58 UTC | 3.0ml | 64 km W of Anchor Point, Alaska 59.730°, -152.969° | 99.3 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 64 km W of Anchor Point, Alaska at 20:21 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 19:53:31 UTC | 2.4ml | 6 km SSW of Anza, CA 33.502°, -116.694° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 6 km SSW of Anza, CA came in on March 23, 2026 at 19:53 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 19:52:35 UTC | 2.1md | 11 km SE of Pinnacles, CA 36.458°, -121.063° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 11 km SE of Pinnacles, CA on March 23, 2026 at 19:52 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 19:48:08 UTC | 4.5mb | South Sandwich Islands region -57.845°, -25.719° | 51.1 km | - | - | - | ✓ Reviewed | USGS → |
At 19:48 UTC on March 23, 2026, a magnitude 4.5 tremor occurred in the South Sandwich Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-23 2026-03-23 19:19:38 UTC | 2.1ml | 76 km S of Ugashik, Alaska 56.834°, -157.228° | 84.7 km | - | - | - | ✓ Reviewed | USGS → |
On March 23, 2026 at 19:19 UTC, a magnitude 2.1 earthquake struck 76 km S of Ugashik, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on March 23, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.