Earthquakes on March 4, 2023
247
EARTHQUAKES on March 4, 2023
24-hour UTC period · USGS data
LARGEST: M6.9 — Kermadec Islands, New Zealand
211 km deep · 7 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
32
M3.0–3.9
12
M2.0–2.9
48
M1.0–1.9
151
Activity Summary
247
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.9
Kermadec Islands, New Zealand
06:41 UTC · 211.0 km deep
Felt by 7
5.2
Tonga
20:18 UTC · 54.8 km deep
5.0
southern Mid-Atlantic Ridge
19:15 UTC · 10.0 km deep
5.0
south of the Kermadec Islands
01:19 UTC · 39.4 km deep
4.9
123 km SSE of Itoman, Japan
13:13 UTC · 10.0 km deep
4.8
78 km NE of Kungurtug, Russia
01:18 UTC · 10.0 km deep
Felt by 1
4.7
South Georgia Island region
00:53 UTC · 10.0 km deep
4.6
South Sandwich Islands region
07:37 UTC · 10.0 km deep
Earthquake Map — March 4, 2023
All Earthquakes — March 4, 2023
Showing 30 of 96 (filtered from 247)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-03-04 2023-03-04 23:46:03 UTC | 2.3md | 18km SE of Pinnacles, CA 36.427°, -120.989° | 0.5 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 18km SE of Pinnacles, CA on March 4, 2023, with origin time 23:46 UTC. 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. | ||||||||
2023-03-04 2023-03-04 23:35:37 UTC | 3.3md | 92 km N of Arecibo, Puerto Rico 19.301°, -66.581° | 37.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 92 km N of Arecibo, Puerto Rico at 23:35 UTC on March 4, 2023. It arrived roughly 22 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 22:49:44 UTC | 3.6ml | 77 km SW of Adak, Alaska 51.438°, -177.503° | 34.0 km | - | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 77 km SW of Adak, Alaska came in on March 4, 2023 at 22:49 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 22:25:57 UTC | 4.4mb | 105 km WSW of Abepura, Indonesia -2.904°, 139.733° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 105 km WSW of Abepura, Indonesia at 22:25 UTC on March 4, 2023. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 22:16:15 UTC | 2.0ml | 12 km S of Princeton, Canada 49.350°, -120.490° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 12 km S of Princeton, Canada on March 4, 2023, with origin time 22:16 UTC. 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. | ||||||||
2023-03-04 2023-03-04 21:06:14 UTC | 2.8ml | 6 km WNW of Gillette, Wyoming 44.323°, -105.574° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2023 at 21:06 UTC, a magnitude 2.8 earthquake struck 6 km WNW of Gillette, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 20:57:43 UTC | 4.4mb | 41 km S of La Libertad, El Salvador 13.114°, -89.300° | 63.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 41 km S of La Libertad, El Salvador on March 4, 2023, with origin time 20:57 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 20:45:24 UTC | 2.1ml | 30 km ESE of Port Heiden, Alaska 56.886°, -158.147° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 30 km ESE of Port Heiden, Alaska at 20:45 UTC on March 4, 2023. 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. | ||||||||
2023-03-04 2023-03-04 20:45:15 UTC | 4.3mb | East Timor region -9.604°, 125.078° | 54.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake in the East Timor region at 20:45 UTC on March 4, 2023. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 20:30:32 UTC | 2.2ml | 61 km W of Anchor Point, Alaska 59.862°, -152.912° | 97.2 km | - | - | - | ✓ Reviewed | USGS → |
March 4, 2023 brought a magnitude 2.2 earthquake 61 km W of Anchor Point, Alaska, logged at 20:30 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 20:18:07 UTC | 5.2mb | Tonga -16.641°, -173.279° | 54.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded near Tonga on March 4, 2023 at 20:18 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 19:18:58 UTC | 3.4md | 79 km N of Arecibo, Puerto Rico 19.182°, -66.580° | 47.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 79 km N of Arecibo, Puerto Rico on March 4, 2023 at 19:18 UTC. Coming 18 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 19:15:21 UTC | 5.0mb | southern Mid-Atlantic Ridge -31.067°, -13.490° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake near southern Mid-Atlantic Ridge with origin time 19:15 UTC on March 4, 2023. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 18:54:29 UTC | 4.3mb | 43 km W of Pante Makasar, Timor Leste -9.248°, 123.987° | 44.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 43 km W of Pante Makasar, Timor Leste on March 4, 2023, with origin time 18:54 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 18:20:56 UTC | 3.3ml | Andreanof Islands, Aleutian Islands, Alaska 51.015°, -176.567° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake near Andreanof Islands, Aleutian Islands, Alaska with origin time 18:20 UTC on March 4, 2023. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 18:01:23 UTC | 2.4ml | 68 km NNE of Karluk, Alaska 58.169°, -154.174° | 63.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 68 km NNE of Karluk, Alaska on March 4, 2023 at 18:01 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 17:47:21 UTC | 4.2mb | 180 km WNW of Panguna, Papua New Guinea -5.502°, 154.074° | 53.3 km | - | - | - | ✓ Reviewed | USGS → |
March 4, 2023 brought a magnitude 4.2 earthquake 180 km WNW of Panguna, Papua New Guinea, logged at 17:47 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 17:43:22 UTC | 4.4mb | 7 km W of Huarichancara, Peru -15.646°, -71.129° | 149.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 7 km W of Huarichancara, Peru came in on March 4, 2023 at 17:43 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 17:05:28 UTC | 4.5mb | 163 km NNW of Kendari, Indonesia -2.625°, 121.925° | 38.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2023 at 17:05 UTC, a magnitude 4.5 earthquake struck 163 km NNW of Kendari, Indonesia. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 16:59:25 UTC | 2.3ml | 78 km ENE of Ugashik, Alaska 57.834°, -156.235° | 126.2 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 78 km ENE of Ugashik, Alaska at 16:59 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 16:22:43 UTC | 3.1md | 43 km NNE of Culebra, Puerto Rico 18.672°, -65.157° | 56.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 43 km NNE of Culebra, Puerto Rico came in on March 4, 2023 at 16:22 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 16:06:32 UTC | 2.9md | 4 km SSE of Guánica, Puerto Rico 17.933°, -66.900° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
March 4, 2023 brought a magnitude 2.9 earthquake 4 km SSE of Guánica, Puerto Rico, logged at 16:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 13 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 15:38:53 UTC | 2.1ml | 36 km SSE of Perryville, Alaska 55.621°, -158.868° | 60.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 36 km SSE of Perryville, Alaska on March 4, 2023, with origin time 15:38 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 15:12:56 UTC | 2.1ml | 6 km SE of Soldotna, Alaska 60.450°, -150.960° | 39.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 6 km SE of Soldotna, Alaska came in on March 4, 2023 at 15:12 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 14:48:01 UTC | 2.8ml | 119 km SSE of Sand Point, Alaska 54.371°, -159.671° | 18.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 119 km SSE of Sand Point, Alaska on March 4, 2023 at 14:48 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 14:28:55 UTC | 2.7ml | 32 km W of Elfin Cove, Alaska 58.179°, -136.900° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 32 km W of Elfin Cove, Alaska with origin time 14:28 UTC on March 4, 2023. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 13:41:47 UTC | 4.1mb | Russia-Mongolia border region 51.070°, 100.063° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
On March 4, 2023, worldwide seismic activity registered a magnitude 4.1 earthquake in the Russia-Mongolia border region at 13:41 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 13:13:57 UTC | 4.9mb | 123 km SSE of Itoman, Japan 25.192°, 128.341° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 13:13 UTC on March 4, 2023, a magnitude 4.9 tremor occurred 123 km SSE of Itoman, Japan. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 13:07:52 UTC | 2.1ml | 106 km W of Adak, Alaska 51.885°, -178.181° | 16.3 km | - | - | - | ✓ Reviewed | USGS → |
At 13:07 UTC on March 4, 2023, a magnitude 2.1 tremor occurred 106 km W of Adak, Alaska. Coming 9 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-04 2023-03-04 12:56:37 UTC | 2.4md | 12km NNE of Alum Rock, CA 37.467°, -121.777° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
March 4, 2023 brought a magnitude 2.4 earthquake 12km NNE of Alum Rock, CA, logged at 12:56 UTC. See the M2.4 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, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.