Earthquakes on March 30, 2023
284
EARTHQUAKES on March 30, 2023
24-hour UTC period · USGS data
26 km deep · 37 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
23
M3.0–3.9
11
M2.0–2.9
51
M1.0–1.9
198
Activity Summary
284
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Significant Earthquakes (M4.5+)
6.3
105 km WSW of Constitución, Chile
17:33 UTC · 26.0 km deep
Felt by 37
4.7
South Sandwich Islands region
16:30 UTC · 10.0 km deep
4.6
38 km S of Pýrgos, Greece
19:23 UTC · 10.0 km deep
Felt by 2
4.6
3 km NE of Los Mogotes, Mexico
15:46 UTC · 23.0 km deep
Felt by 1
4.6
South Sandwich Islands region
02:26 UTC · 110.0 km deep
4.5
87 km ENE of Hengchun, Taiwan
20:15 UTC · 11.7 km deep
Felt by 2
4.5
14 km N of San Carlos, Colombia
08:24 UTC · 62.5 km deep
Felt by 1
Earthquake Map — March 30, 2023
All Earthquakes — March 30, 2023
Showing 30 of 86 (filtered from 284)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-03-30 2023-03-30 23:58:07 UTC | 2.1md | 10 km ENE of P?hala, Hawaii 19.235°, -155.383° | 31.6 km | - | - | - | Auto | USGS → |
March 30, 2023 brought a magnitude 2.1 earthquake 10 km ENE of P?hala, Hawaii, logged at 23:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 15 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 23:55:31 UTC | 3.1ml | 51 km SSE of Adak, Alaska 51.432°, -176.404° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 51 km SSE of Adak, Alaska with origin time 23:55 UTC on March 30, 2023. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 23:33:01 UTC | 2.8ml | 84 km NNW of Karluk, Alaska 58.290°, -154.915° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 84 km NNW of Karluk, Alaska on March 30, 2023 at 23:33 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 22:55:37 UTC | 2.2ml | 9 km WNW of Nikiski, Alaska 60.715°, -151.448° | 64.9 km | - | - | - | ✓ Reviewed | USGS → |
On March 30, 2023, worldwide seismic activity registered a magnitude 2.2 earthquake 9 km WNW of Nikiski, Alaska at 22:55 UTC. It arrived roughly 19 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 22:54:24 UTC | 2.0ml | 65 km W of Nanwalek, Alaska 59.400°, -153.062° | 79.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 65 km W of Nanwalek, Alaska with origin time 22:54 UTC on March 30, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 22:03:23 UTC | 4.4mwr | 108 km NW of Quirihue, Chile -35.722°, -73.525° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 108 km NW of Quirihue, Chile came in on March 30, 2023 at 22:03 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.3 earthquake that occurred about 5 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 21:56:39 UTC | 2.3ml | 9 km E of Pistol River, Oregon 42.281°, -124.278° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 9 km E of Pistol River, Oregon came in on March 30, 2023 at 21:56 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. | ||||||||
2023-03-30 2023-03-30 21:33:15 UTC | 2.3ml | Gulf of Alaska 57.495°, -146.127° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place near Gulf of Alaska on March 30, 2023 at 21:33 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 21:22:12 UTC | 2.3ml | 85 km SSE of Ugashik, Alaska 56.765°, -157.112° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
March 30, 2023 brought a magnitude 2.3 earthquake 85 km SSE of Ugashik, Alaska, logged at 21:22 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. | ||||||||
2023-03-30 2023-03-30 21:16:50 UTC | 2.5ml | 20 km SSE of Wright, Wyoming 43.591°, -105.368° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
March 30, 2023 brought a magnitude 2.5 earthquake 20 km SSE of Wright, Wyoming, logged at 21:16 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. | ||||||||
2023-03-30 2023-03-30 21:11:51 UTC | 2.9ml | 26 km NNE of Wright, Wyoming 43.978°, -105.394° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 26 km NNE of Wright, Wyoming at 21:11 UTC on March 30, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 21:02:33 UTC | 4.4mb | 73 km SSE of Labuha, Indonesia -1.209°, 127.794° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 73 km SSE of Labuha, Indonesia on March 30, 2023 at 21:02 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 20:55:00 UTC | 4.4mb | 224 km E of Levuka, Fiji -17.921°, -178.573° | 577.8 km | - | - | - | ✓ Reviewed | USGS → |
March 30, 2023 brought a magnitude 4.4 earthquake 224 km E of Levuka, Fiji, logged at 20:55 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 20:37:51 UTC | 2.2ml | 44 km NW of Toyah, Texas 31.561°, -104.163° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
At 20:37 UTC on March 30, 2023, a magnitude 2.2 tremor occurred 44 km NW of Toyah, Texas. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 20:26:12 UTC | 4.0mb | 1 km WNW of Buchbach, Austria 47.702°, 15.969° | 2.9 km | 17 | - | - | ✓ Reviewed | USGS → |
On March 30, 2023, worldwide seismic activity registered a magnitude 4.0 earthquake 1 km WNW of Buchbach, Austria at 20:26 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 20:22:24 UTC | 2.6ml | 60 km SE of Akutan, Alaska 53.712°, -165.185° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:22 UTC on March 30, 2023, a magnitude 2.6 tremor occurred 60 km SE of Akutan, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 20:16:55 UTC | 2.1ml | 2 km S of Bridge Creek, Oklahoma 35.214°, -97.737° | 4.6 km | 1 | - | - | ✓ Reviewed | USGS → |
March 30, 2023 brought a magnitude 2.1 earthquake 2 km S of Bridge Creek, Oklahoma, logged at 20:16 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. | ||||||||
2023-03-30 2023-03-30 20:15:52 UTC | 4.5mb | 87 km ENE of Hengchun, Taiwan 22.221°, 121.555° | 11.7 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 87 km ENE of Hengchun, Taiwan at 20:15 UTC on March 30, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 20:09:33 UTC | 2.5ml | Wyoming 44.527°, -110.359° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake near Wyoming with origin time 20:09 UTC on March 30, 2023. 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. | ||||||||
2023-03-30 2023-03-30 19:55:02 UTC | 4.2mb | 111 km WSW of Constitución, Chile -35.702°, -73.556° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:55 UTC on March 30, 2023, a magnitude 4.2 tremor occurred 111 km WSW of Constitución, Chile. Coming 2 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 19:45:54 UTC | 3.5ml | Fox Islands, Aleutian Islands, Alaska 52.901°, -167.368° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:45 UTC on March 30, 2023, a magnitude 3.5 tremor occurred near Fox Islands, Aleutian Islands, Alaska. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 19:31:16 UTC | 2.2md | 20km WSW of Petrolia, CA 40.282°, -124.517° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 20km WSW of Petrolia, CA with origin time 19:31 UTC on March 30, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 19:23:00 UTC | 4.6mb | 38 km S of Pýrgos, Greece 34.663°, 25.226° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 38 km S of Pýrgos, Greece with origin time 19:23 UTC on March 30, 2023. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 19:18:55 UTC | 4.2mb | 23 km NNW of Pārūn, Afghanistan 35.627°, 70.846° | 93.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 23 km NNW of Pārūn, Afghanistan at 19:18 UTC on March 30, 2023. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 18:47:09 UTC | 4.3mb | 226 km ESE of Attu Station, Alaska 52.088°, 176.277° | 37.5 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 226 km ESE of Attu Station, Alaska on March 30, 2023 at 18:47 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 18:40:11 UTC | 4.1mb | Izu Islands, Japan region 30.981°, 142.429° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake in the Izu Islands, Japan region came in on March 30, 2023 at 18:40 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 18:26:36 UTC | 4.3mb | 95 km WNW of Quirihue, Chile -35.861°, -73.468° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 95 km WNW of Quirihue, Chile with origin time 18:26 UTC on March 30, 2023. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 18:24:45 UTC | 3.2ml | Fox Islands, Aleutian Islands, Alaska 53.073°, -170.244° | 175.2 km | - | - | - | ✓ Reviewed | USGS → |
March 30, 2023 brought a magnitude 3.2 earthquake near Fox Islands, Aleutian Islands, Alaska, logged at 18:24 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 18:11:00 UTC | 2.7md | 2 km ESE of Magas Arriba, Puerto Rico 18.006°, -66.743° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
On March 30, 2023, worldwide seismic activity registered a magnitude 2.7 earthquake 2 km ESE of Magas Arriba, Puerto Rico at 18:11 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-03-30 2023-03-30 18:10:12 UTC | 2.2ml | 39 km NW of Toyah, Texas 31.561°, -104.094° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 39 km NW of Toyah, Texas at 18:10 UTC on March 30, 2023. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.2 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 30, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.