Earthquakes on March 4, 2026
287
EARTHQUAKES on March 4, 2026
24-hour UTC period · USGS data
10 km deep0
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
37
M3.0–3.9
16
M2.0–2.9
82
M1.0–1.9
149
Activity Summary
287
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
6.4
223 km ESE of Attu Station, Alaska
17:54 UTC · 10.0 km deep
05.4
227 km ESE of Attu Station, Alaska
13:26 UTC · 10.0 km deep
5.3
73 km SSW of Chirilagua, El Salvador
18:56 UTC · 46.5 km deep
Felt by 7
4.9
149 km WSW of Fakfak, Indonesia
18:08 UTC · 10.0 km deep
4.9
151 km WSW of Fakfak, Indonesia
06:44 UTC · 10.0 km deep
4.8
229 km ESE of Attu Station, Alaska
19:04 UTC · 10.0 km deep
4.7
65 km SSW of Severo-Kuril’sk, Russia
10:49 UTC · 89.5 km deep
4.7
239 km ENE of Lospalos, Timor Leste
09:31 UTC · 135.5 km deep
Earthquake Map — March 4, 2026
All Earthquakes — March 4, 2026
Showing 30 of 138 (filtered from 287)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-03-04 2026-03-04 23:48:57 UTC | 2.1md | 3 km WSW of Guánica, Puerto Rico 17.956°, -66.936° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 3 km WSW of Guánica, Puerto Rico on March 4, 2026, with origin time 23:48 UTC. Coming 1 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 23:38:14 UTC | 2.0ml | 46 km E of Pedro Bay, Alaska 59.783°, -153.270° | 130.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 46 km E of Pedro Bay, Alaska on March 4, 2026 at 23:38 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 23:29:43 UTC | 2.4ml | 89 km SE of Akutan, Alaska 53.590°, -164.784° | 48.3 km | - | - | - | ✓ Reviewed | USGS → |
March 4, 2026 brought a magnitude 2.4 earthquake 89 km SE of Akutan, Alaska, logged at 23:29 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 23:00:34 UTC | 2.5md | 4 km SW of Guánica, Puerto Rico 17.951°, -66.939° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 4 km SW of Guánica, Puerto Rico at 23:00 UTC on March 4, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 22:14:56 UTC | 4.1mb | 230 km ESE of Attu Station, Alaska 52.387°, 176.508° | 8.8 km | - | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 230 km ESE of Attu Station, Alaska at 22:14 UTC on March 4, 2026. Coming 4 hours after a magnitude 6.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 22:10:46 UTC | 2.6ml | 34 km W of Indian Springs, Nevada 36.612°, -116.050° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 34 km W of Indian Springs, Nevada with origin time 22:10 UTC on March 4, 2026. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 22:07:12 UTC | 3.6mb | 96 km SW of Nikolski, Alaska 52.308°, -169.831° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.6 seismic event took place 96 km SW of Nikolski, Alaska on March 4, 2026 at 22:07 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 22:05:42 UTC | 2.6ml | 92 km SW of Nikolski, Alaska 52.331°, -169.790° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 92 km SW of Nikolski, Alaska at 22:05 UTC on March 4, 2026. It arrived roughly 16 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 22:03:12 UTC | 2.2md | 5 km WSW of Napavine, Washington 46.546°, -122.974° | -0.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:03 UTC on March 4, 2026, a magnitude 2.2 tremor occurred 5 km WSW of Napavine, Washington. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 21:44:50 UTC | 4.0mb | 29 km WSW of Sarabetsu, Japan 42.534°, 142.868° | 105.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place 29 km WSW of Sarabetsu, Japan on March 4, 2026 at 21:44 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 21:36:50 UTC | 2.7ml | 129 km WSW of Adak, Alaska 51.407°, -178.343° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 129 km WSW of Adak, Alaska on March 4, 2026 at 21:36 UTC. Coming 14 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 21:20:14 UTC | 2.0ml | 61 km WNW of Petersville, Alaska 62.723°, -151.857° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 61 km WNW of Petersville, Alaska with origin time 21:20 UTC on March 4, 2026. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 21:12:27 UTC | 2.6ml | 75 km NE of Tonopah, Nevada 38.470°, -116.532° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 75 km NE of Tonopah, Nevada at 21:12 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 21:00:38 UTC | 3.2ml | 12 km ENE of Wright, Wyoming 43.782°, -105.345° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 12 km ENE of Wright, Wyoming on March 4, 2026 at 21:00 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 21:00:32 UTC | 2.2ml | 90 km E of Nikolski, Alaska 52.852°, -167.525° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 90 km E of Nikolski, Alaska at 21:00 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 20:21:37 UTC | 3.5ml | 36 km WSW of Denali Park, Alaska 63.638°, -149.616° | 121.9 km | - | I | - | ✓ Reviewed | USGS → |
March 4, 2026 brought a magnitude 3.5 earthquake 36 km WSW of Denali Park, Alaska, logged at 20:21 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 20:20:04 UTC | 2.1ml | 70 km ESE of Denali National Park, Alaska 63.266°, -150.453° | 126.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 70 km ESE of Denali National Park, Alaska came in on March 4, 2026 at 20:20 UTC. It arrived roughly 13 hours after a larger magnitude 2.3 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. | ||||||||
2026-03-04 2026-03-04 20:04:05 UTC | 2.0ml | 111 km N of Yakutat, Alaska 60.542°, -139.910° | 2.9 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 111 km N of Yakutat, Alaska at 20:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 6 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 19:39:50 UTC | 4.5mb | 247 km ESE of Attu Station, Alaska 51.993°, 176.541° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 247 km ESE of Attu Station, Alaska on March 4, 2026 at 19:39 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 19:21:37 UTC | 3.8mb | 224 km ESE of Attu Station, Alaska 52.043°, 176.212° | 24.4 km | - | II | - | ✓ Reviewed | USGS → |
On March 4, 2026, worldwide seismic activity registered a magnitude 3.8 earthquake 224 km ESE of Attu Station, Alaska at 19:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 6 hours earlier. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 19:04:44 UTC | 4.8mb | 229 km ESE of Attu Station, Alaska 51.909°, 176.196° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake 229 km ESE of Attu Station, Alaska at 19:04 UTC on March 4, 2026. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:57:59 UTC | 2.1ml | 34 km NW of Valdez, Alaska 61.360°, -146.785° | 15.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 34 km NW of Valdez, Alaska on March 4, 2026 at 18:57 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:56:24 UTC | 5.3mb | 73 km SSW of Chirilagua, El Salvador 12.583°, -88.323° | 46.5 km | 7 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 73 km SSW of Chirilagua, El Salvador with origin time 18:56 UTC on March 4, 2026. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:50:02 UTC | 2.1ml | 24 km WSW of Olancha, CA 36.227°, -118.263° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
March 4, 2026 brought a magnitude 2.1 earthquake 24 km WSW of Olancha, CA, logged at 18:50 UTC. Coming 1 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2026-03-04 2026-03-04 18:34:28 UTC | 2.2md | 3 km W of Fuig, Puerto Rico 17.992°, -66.951° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 3 km W of Fuig, Puerto Rico on March 4, 2026 at 18:34 UTC. Coming 9 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:34:17 UTC | 4.4mb | 124 km SSW of Hihifo, Tonga -17.029°, -174.133° | 143.1 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2026 at 18:34 UTC, a magnitude 4.4 earthquake struck 124 km SSW of Hihifo, Tonga. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:33:57 UTC | 3.7mb | 219 km ESE of Attu Station, Alaska 52.142°, 176.210° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
This magnitude 3.7 event was detected 219 km ESE of Attu Station, Alaska on March 4, 2026, with origin time 18:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 5 hours earlier. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:20:21 UTC | 2.6ml | 23 km W of Susitna, Alaska 61.584°, -150.954° | 66.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 23 km W of Susitna, Alaska on March 4, 2026, with origin time 18:20 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:14:19 UTC | 4.4mb | 227 km ESE of Attu Station, Alaska 51.996°, 176.226° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 227 km ESE of Attu Station, Alaska on March 4, 2026 at 18:14 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-03-04 2026-03-04 18:08:05 UTC | 4.9mb | 149 km WSW of Fakfak, Indonesia -3.192°, 130.979° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 149 km WSW of Fakfak, Indonesia at 18:08 UTC. See the M4.9 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 4, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.