Earthquakes on April 30, 2023
352
EARTHQUAKES on April 30, 2023
24-hour UTC period · USGS data
LARGEST: M5.2 — Molucca Sea
20 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
43
M3.0–3.9
13
M2.0–2.9
63
M1.0–1.9
232
Activity Summary
352
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Significant Earthquakes (M4.5+)
5.2
Molucca Sea
16:29 UTC · 19.9 km deep
4.7
96 km NE of Kainantu, Papua New Guinea
11:26 UTC · 81.2 km deep
Felt by 1
4.7
central Mid-Atlantic Ridge
04:10 UTC · 10.0 km deep
4.6
232 km SSW of Severo-Kuril’sk, Russia
16:37 UTC · 42.4 km deep
4.6
240 km SSW of Severo-Kuril’sk, Russia
15:47 UTC · 30.9 km deep
4.6
32 km NNE of Klyuchi, Russia
14:50 UTC · 10.0 km deep
4.6
northern Mid-Atlantic Ridge
07:01 UTC · 10.0 km deep
4.6
69 km E of Falam, Myanmar
06:56 UTC · 94.4 km deep
Earthquake Map — April 30, 2023
All Earthquakes — April 30, 2023
Showing 30 of 120 (filtered from 352)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-04-30 2023-04-30 23:58:20 UTC | 4.5mb | 27 km WSW of Urakawa, Japan 42.064°, 142.471° | 68.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 27 km WSW of Urakawa, Japan with origin time 23:58 UTC on April 30, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 23:51:02 UTC | 4.4mb | 47 km E of Ōarai, Japan 36.257°, 141.109° | 39.4 km | - | - | - | ✓ Reviewed | USGS → |
April 30, 2023 brought a magnitude 4.4 earthquake 47 km E of Ōarai, Japan, logged at 23:51 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 23:36:14 UTC | 2.2ml | 0 km S of P?hala, Hawaii 19.202°, -155.479° | 30.5 km | - | - | - | Auto | USGS → |
On April 30, 2023 at 23:36 UTC, a magnitude 2.2 earthquake struck 0 km S of P?hala, Hawaii. It arrived roughly 19 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 23:25:00 UTC | 4.5mb | 100 km SSW of Hihifo, Tonga -16.832°, -174.040° | 144.3 km | - | - | - | ✓ Reviewed | USGS → |
On April 30, 2023, worldwide seismic activity registered a magnitude 4.5 earthquake 100 km SSW of Hihifo, Tonga at 23:25 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 23:11:11 UTC | 2.0ml | 6 km NNE of Kachemak, Alaska 59.727°, -151.408° | 41.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 30, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 6 km NNE of Kachemak, Alaska at 23:11 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 22:34:17 UTC | 4.4mb | 95 km S of Yudomari, Japan 29.381°, 130.340° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 30, 2023 at 22:34 UTC, a magnitude 4.4 earthquake struck 95 km S of Yudomari, Japan. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 22:14:24 UTC | 2.0ml | 51 km E of Pedro Bay, Alaska 59.736°, -153.203° | 99.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:14 UTC on April 30, 2023, a magnitude 2.0 tremor occurred 51 km E of Pedro Bay, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 22:13:32 UTC | 4.1mb | 26 km NE of Ozernovskiy, Russia 51.662°, 156.778° | 150.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 26 km NE of Ozernovskiy, Russia on April 30, 2023 at 22:13 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 21:25:42 UTC | 4.4mb | 200 km ENE of Levuka, Fiji -17.563°, -178.863° | 585.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 200 km ENE of Levuka, Fiji on April 30, 2023 at 21:25 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 21:24:19 UTC | 2.3ml | 5km NE of Delta, B.C., MX 32.388°, -115.161° | 19.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 5km NE of Delta, B.C., MX on April 30, 2023, with origin time 21:24 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 21:14:36 UTC | 2.0ml | 11 km S of Princeton, Canada 49.358°, -120.497° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 11 km S of Princeton, Canada on April 30, 2023 at 21:14 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. | ||||||||
2023-04-30 2023-04-30 21:12:00 UTC | 2.2ml | 48 km S of Ivanof Bay, Alaska 55.463°, -159.458° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 48 km S of Ivanof Bay, Alaska on April 30, 2023 at 21:12 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 21:01:01 UTC | 2.0ml | 59 km NW of Toyah, Texas 31.641°, -104.292° | 4.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 59 km NW of Toyah, Texas at 21:01 UTC on April 30, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 16 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. | ||||||||
2023-04-30 2023-04-30 20:27:04 UTC | 4.1mb | 241 km E of Levuka, Fiji -17.750°, -178.424° | 544.3 km | - | - | - | ✓ Reviewed | USGS → |
April 30, 2023 brought a magnitude 4.1 earthquake 241 km E of Levuka, Fiji, logged at 20:27 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 20:04:22 UTC | 4.4mb | near the east coast of Honshu, Japan 36.419°, 140.622° | 70.6 km | 9 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near near the east coast of Honshu, Japan with origin time 20:04 UTC on April 30, 2023. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 19:58:54 UTC | 2.4ml | 12 km ENE of P?hala, Hawaii 19.264°, -155.375° | 29.7 km | - | - | - | Auto | USGS → |
This magnitude 2.4 event was detected 12 km ENE of P?hala, Hawaii on April 30, 2023, with origin time 19:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 15 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 19:50:25 UTC | 4.0mb | 62 km NNW of Amazar, Russia 54.403°, 120.644° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 62 km NNW of Amazar, Russia on April 30, 2023 at 19:50 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 19:32:39 UTC | 2.5ml | 13km N of La Verne, CA 34.215°, -117.752° | 12.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 13km N of La Verne, CA on April 30, 2023 at 19:32 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 19:06:44 UTC | 2.1ml | Southern Alaska 59.189°, -153.683° | 102.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded near Southern Alaska on April 30, 2023 at 19:06 UTC. Coming 11 hours after a magnitude 2.6 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. | ||||||||
2023-04-30 2023-04-30 18:45:49 UTC | 4.3mb | Izu Islands, Japan region 29.008°, 139.589° | 392.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake in the Izu Islands, Japan region came in on April 30, 2023 at 18:45 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 18:40:43 UTC | 2.3md | 2km ESE of Canyondam, CA 40.162°, -121.059° | 2.7 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 2km ESE of Canyondam, CA came in on April 30, 2023 at 18:40 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. | ||||||||
2023-04-30 2023-04-30 18:05:19 UTC | 2.0ml | 96 km SE of King Cove, Alaska 54.518°, -161.150° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 96 km SE of King Cove, Alaska on April 30, 2023, with origin time 18:05 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 18:03:02 UTC | 4.5mb | 69 km NE of Ollagüe, Chile -20.769°, -67.793° | 167.2 km | - | - | - | ✓ Reviewed | USGS → |
At 18:03 UTC on April 30, 2023, a magnitude 4.5 tremor occurred 69 km NE of Ollagüe, Chile. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:47:16 UTC | 2.4ml | 87 km E of Akutan, Alaska 54.060°, -164.444° | 87.2 km | - | - | - | ✓ Reviewed | USGS → |
At 16:47 UTC on April 30, 2023, a magnitude 2.4 tremor occurred 87 km E of Akutan, Alaska. Coming 6 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:44:31 UTC | 4.4mb | 45 km NNE of Isangel, Vanuatu -19.163°, 169.454° | 246.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 30, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 45 km NNE of Isangel, Vanuatu at 16:44 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:39:09 UTC | 4.3mwr | 40 km ESE of Mejillones, Chile -23.199°, -70.066° | 61.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 40 km ESE of Mejillones, Chile on April 30, 2023 at 16:39 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:37:48 UTC | 4.6mb | 232 km SSW of Severo-Kuril’sk, Russia 48.645°, 155.343° | 42.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 30, 2023, worldwide seismic activity registered a magnitude 4.6 earthquake 232 km SSW of Severo-Kuril’sk, Russia at 16:37 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:29:01 UTC | 5.2mb | Molucca Sea 1.343°, 126.294° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 30, 2023 at 16:29 UTC, a magnitude 5.2 earthquake struck near Molucca Sea. It is the largest earthquake currently listed for worldwide seismic activity on April 30, 2023. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:23:41 UTC | 2.3md | 5 km WSW of Fuig, Puerto Rico 17.961°, -66.960° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 5 km WSW of Fuig, Puerto Rico on April 30, 2023 at 16:23 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-30 2023-04-30 16:01:54 UTC | 2.2md | Island of Hawaii, Hawaii 19.404°, -155.259° | 0.2 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake near Island of Hawaii, Hawaii at 16:01 UTC on April 30, 2023. 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. | ||||||||
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 April 30, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.