Earthquakes on April 29, 2023
431
EARTHQUAKES on April 29, 2023
24-hour UTC period · USGS data
LARGEST: M5.2 — west of Macquarie Island
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
24
M3.0–3.9
16
M2.0–2.9
94
M1.0–1.9
294
Activity Summary
431
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.2
west of Macquarie Island
04:55 UTC · 10.0 km deep
5.1
139 km ENE of Tual, Indonesia
22:37 UTC · 10.0 km deep
5.0
155 km SE of Kokopo, Papua New Guinea
07:03 UTC · 65.7 km deep
4.9
Ryukyu Islands, Japan
15:49 UTC · 10.0 km deep
4.9
western Indian-Antarctic Ridge
00:50 UTC · 10.0 km deep
4.7
139 km N of Caluula, Somalia
14:07 UTC · 10.0 km deep
4.7
78 km ESE of Katsuren-haebaru, Japan
03:26 UTC · 10.0 km deep
4.6
72 km ESE of Katsuren-haebaru, Japan
03:31 UTC · 10.0 km deep
Felt by 1
Earthquake Map — April 29, 2023
All Earthquakes — April 29, 2023
Showing 30 of 137 (filtered from 431)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-04-29 2023-04-29 23:48:30 UTC | 2.3ml | 9 km E of P?hala, Hawaii 19.219°, -155.390° | 29.6 km | - | - | - | Auto | USGS → |
A magnitude 2.3 seismic event took place 9 km E of P?hala, Hawaii on April 29, 2023 at 23:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 14 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 23:45:29 UTC | 4.3mb | 76 km NE of Muzaffarābād, Pakistan 34.901°, 73.996° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
April 29, 2023 brought a magnitude 4.3 earthquake 76 km NE of Muzaffarābād, Pakistan, logged at 23:45 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 23:08:10 UTC | 3.2ml | Nevada 37.258°, -114.995° | 8.9 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected near Nevada on April 29, 2023, with origin time 23:08 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 22:53:51 UTC | 2.8ml | 15 km W of Kailua-Kona, Hawaii 19.656°, -156.148° | 9.1 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 15 km W of Kailua-Kona, Hawaii at 22:53 UTC on April 29, 2023. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 22:50:23 UTC | 2.7ml | Island of Hawaii, Hawaii 19.333°, -155.278° | 29.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake near Island of Hawaii, Hawaii came in on April 29, 2023 at 22:50 UTC. It arrived roughly 13 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 22:41:49 UTC | 2.1ml | 3km WNW of Calexico, CA 32.693°, -115.528° | 9.1 km | 1 | - | - | ✓ Reviewed | USGS → |
On April 29, 2023 at 22:41 UTC, a magnitude 2.1 earthquake struck 3km WNW of Calexico, CA. It arrived roughly 11 hours after a larger magnitude 4.1 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. | ||||||||
2023-04-29 2023-04-29 22:40:37 UTC | 2.2ml | Alaska Peninsula 54.735°, -161.812° | 53.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake near Alaska Peninsula came in on April 29, 2023 at 22:40 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 22:37:57 UTC | 5.1mb | 139 km ENE of Tual, Indonesia -4.944°, 133.813° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded 139 km ENE of Tual, Indonesia on April 29, 2023 at 22:37 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:53:46 UTC | 2.3ml | 3km WNW of Calexico, CA 32.694°, -115.528° | 7.5 km | 1 | - | - | ✓ Reviewed | USGS → |
April 29, 2023 brought a magnitude 2.3 earthquake 3km WNW of Calexico, CA, logged at 21:53 UTC. Coming 10 hours after a magnitude 4.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:36:18 UTC | 2.3ml | 3km SSW of Heber, CA 32.705°, -115.538° | 9.6 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 3km SSW of Heber, CA came in on April 29, 2023 at 21:36 UTC. It arrived roughly 9 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:23:33 UTC | 2.3ml | 12km NNW of Borrego Springs, CA 33.352°, -116.422° | 11.7 km | 1 | - | - | ✓ Reviewed | USGS → |
April 29, 2023 brought a magnitude 2.3 earthquake 12km NNW of Borrego Springs, CA, logged at 21:23 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:19:17 UTC | 2.1ml | 3km S of Heber, CA 32.702°, -115.534° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 29, 2023 at 21:19 UTC, a magnitude 2.1 earthquake struck 3km S of Heber, CA. Coming 9 hours after a magnitude 4.1 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. | ||||||||
2023-04-29 2023-04-29 21:16:21 UTC | 3.1ml | 23 km SE of Wright, Wyoming 43.579°, -105.320° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 23 km SE of Wright, Wyoming on April 29, 2023 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 M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:14:09 UTC | 2.3ml | 3km S of Heber, CA 32.703°, -115.534° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 29, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 3km S of Heber, CA at 21:14 UTC. It arrived roughly 9 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:08:02 UTC | 3.1ml | 3km S of Heber, CA 32.706°, -115.535° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
April 29, 2023 brought a magnitude 3.1 earthquake 3km S of Heber, CA, logged at 21:08 UTC. It arrived roughly 9 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 21:06:47 UTC | 3.7mw | 3km SSW of Heber, CA 32.709°, -115.541° | 11.3 km | 66 | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.7 seismic event took place 3km SSW of Heber, CA on April 29, 2023 at 21:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 9 hours earlier. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 20:52:45 UTC | 2.1ml | 72 km SSW of Unalaska, Alaska 53.246°, -166.841° | 53.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 72 km SSW of Unalaska, Alaska on April 29, 2023 at 20:52 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 20:39:47 UTC | 4.3mb | Pagan region, Northern Mariana Islands 18.906°, 145.498° | 236.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 29, 2023 at 20:39 UTC, a magnitude 4.3 earthquake struck in the Pagan region, Northern Mariana Islands. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 20:33:20 UTC | 3.2ml | Fox Islands, Aleutian Islands, Alaska 51.461°, -168.374° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake near Fox Islands, Aleutian Islands, Alaska came in on April 29, 2023 at 20:33 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 19:32:55 UTC | 2.5ml | 2km WSW of Heber, CA 32.722°, -115.547° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:32 UTC on April 29, 2023, a magnitude 2.5 tremor occurred 2km WSW of Heber, CA. Coming 7 hours after a magnitude 4.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 19:29:59 UTC | 2.0ml | 43 km ENE of Susitna North, Alaska 62.350°, -149.114° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 43 km ENE of Susitna North, Alaska on April 29, 2023, with origin time 19:29 UTC. It arrived roughly 4 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2023-04-29 2023-04-29 19:08:48 UTC | 2.8ml | 2km SW of Heber, CA 32.721°, -115.542° | 9.8 km | 10 | - | - | ✓ Reviewed | USGS → |
At 19:08 UTC on April 29, 2023, a magnitude 2.8 tremor occurred 2km SW of Heber, CA. It arrived roughly 7 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 19:02:32 UTC | 2.0ml | 2km WSW of Heber, CA 32.723°, -115.546° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 2km WSW of Heber, CA came in on April 29, 2023 at 19:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 7 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 18:47:47 UTC | 2.4ml | 56 km SSW of Whites City, New Mexico 31.680°, -104.495° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 56 km SSW of Whites City, New Mexico on April 29, 2023, with origin time 18:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 5 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 18:42:07 UTC | 2.6md | 4 km SW of Indios, Puerto Rico 17.963°, -66.848° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 29, 2023, worldwide seismic activity registered a magnitude 2.6 earthquake 4 km SW of Indios, Puerto Rico at 18:42 UTC. It arrived roughly 8 hours after a larger magnitude 2.8 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. | ||||||||
2023-04-29 2023-04-29 18:25:49 UTC | 2.8md | Puerto Rico region 18.021°, -66.777° | 19.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected in the Puerto Rico region on April 29, 2023, with origin time 18:25 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 18:16:11 UTC | 2.8ml | 2km SW of Heber, CA 32.720°, -115.543° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 2km SW of Heber, CA with origin time 18:16 UTC on April 29, 2023. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 18:12:58 UTC | 2.1ml | 34 km NW of Stanley, Idaho 44.455°, -115.218° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
April 29, 2023 brought a magnitude 2.1 earthquake 34 km NW of Stanley, Idaho, logged at 18:12 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 18:08:16 UTC | 2.0ml | 59 km SE of Nikolski, Alaska 52.535°, -168.286° | 25.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 59 km SE of Nikolski, Alaska on April 29, 2023 at 18:08 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-29 2023-04-29 18:07:06 UTC | 2.1ml | 5 km SSW of Volcano, Hawaii 19.394°, -155.250° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 5 km SSW of Volcano, Hawaii on April 29, 2023 at 18:07 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 4 hours earlier. 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. | ||||||||
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 29, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.