Earthquakes on May 23, 2023
322
EARTHQUAKES on May 23, 2023
24-hour UTC period · USGS data
10 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
61
M3.0–3.9
9
M2.0–2.9
64
M1.0–1.9
183
Activity Summary
322
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.1
290 km E of Vao, New Caledonia
06:41 UTC · 10.0 km deep
Felt by 1
5.1
204 km NW of Tobelo, Indonesia
15:04 UTC · 48.5 km deep
5.1
southeast of the Loyalty Islands
06:22 UTC · 24.0 km deep
5.0
93 km WNW of Rabaul, Papua New Guinea
13:00 UTC · 10.0 km deep
5.0
southeast of the Loyalty Islands
09:26 UTC · 10.0 km deep
4.9
26 km SSW of Tambilil, Philippines
17:04 UTC · 71.4 km deep
Felt by 3
4.9
southeast of the Loyalty Islands
11:49 UTC · 13.2 km deep
4.9
southeast of the Loyalty Islands
00:52 UTC · 10.0 km deep
Earthquake Map — May 23, 2023
All Earthquakes — May 23, 2023
Showing 30 of 139 (filtered from 322)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-23 2023-05-23 23:48:16 UTC | 4.8mb | south of the Fiji Islands -24.380°, -179.554° | 456.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place south of the Fiji Islands on May 23, 2023 at 23:48 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 23:28:54 UTC | 2.8md | 4 km N of West Canton, North Carolina 35.576°, -82.862° | 1.3 km | 175 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 4 km N of West Canton, North Carolina on May 23, 2023 at 23:28 UTC. 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. | ||||||||
2023-05-23 2023-05-23 23:28:20 UTC | 2.2md | 5 km WSW of Gu?nica, Puerto Rico 17.953°, -66.953° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023 at 23:28 UTC, a magnitude 2.2 earthquake struck 5 km WSW of Gu?nica, Puerto Rico. It arrived roughly 22 hours after a larger magnitude 2.4 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. | ||||||||
2023-05-23 2023-05-23 23:18:42 UTC | 2.0ml | 14 km W of Point Possession, Alaska 60.944°, -150.946° | 59.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 14 km W of Point Possession, Alaska at 23:18 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 23:18:20 UTC | 4.4mb | 53 km W of Talcahuano, Chile -36.786°, -73.715° | 18.8 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023 at 23:18 UTC, a magnitude 4.4 earthquake struck 53 km W of Talcahuano, Chile. It arrived roughly 11 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 23:09:45 UTC | 2.4ml | 69 km ENE of Pedro Bay, Alaska 60.074°, -153.000° | 108.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 69 km ENE of Pedro Bay, Alaska at 23:09 UTC on May 23, 2023. Coming 7 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 23:07:54 UTC | 4.5mb | South Sandwich Islands region -58.165°, -26.062° | 69.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected in the South Sandwich Islands region on May 23, 2023, with origin time 23:07 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 23:06:58 UTC | 3.2ml | 55 km ESE of Adak, Alaska 51.616°, -175.943° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 55 km ESE of Adak, Alaska on May 23, 2023 at 23:06 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 22:57:32 UTC | 4.3mwr | 55 km W of Talcahuano, Chile -36.793°, -73.734° | 16.5 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 55 km W of Talcahuano, Chile on May 23, 2023 at 22:57 UTC. Coming 10 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 22:40:05 UTC | 2.6ml | 90 km SSW of Unalaska, Alaska 53.089°, -166.873° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 90 km SSW of Unalaska, Alaska at 22:40 UTC on May 23, 2023. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 22:21:48 UTC | 4.3mb | 52 km NE of Dipayal, Nepal 29.655°, 81.248° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 52 km NE of Dipayal, Nepal with origin time 22:21 UTC on May 23, 2023. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 22:14:36 UTC | 2.2ml | 136 km W of Whitehorse, Canada 60.751°, -137.552° | 10.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023, worldwide seismic activity registered a magnitude 2.2 earthquake 136 km W of Whitehorse, Canada at 22:14 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 21:46:55 UTC | 4.5mb | 52 km NNW of Labasa, Fiji -16.015°, 179.131° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 52 km NNW of Labasa, Fiji came in on May 23, 2023 at 21:46 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 21:23:21 UTC | 3.7mb | Rat Islands, Aleutian Islands, Alaska 51.781°, 178.533° | 94.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake near Rat Islands, Aleutian Islands, Alaska came in on May 23, 2023 at 21:23 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 21:12:04 UTC | 4.2mb | 112 km NNE of Sape, Indonesia -7.594°, 119.280° | 283.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023, worldwide seismic activity registered a magnitude 4.2 earthquake 112 km NNE of Sape, Indonesia at 21:12 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 21:01:57 UTC | 4.2mb | 50 km NW of Coquimbo, Chile -29.595°, -71.659° | 51.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:01 UTC on May 23, 2023, a magnitude 4.2 tremor occurred 50 km NW of Coquimbo, Chile. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 21:00:57 UTC | 4.1mb | 85 km NE of Kainantu, Papua New Guinea -5.821°, 146.482° | 75.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 85 km NE of Kainantu, Papua New Guinea on May 23, 2023 at 21:00 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 20:55:35 UTC | 4.5mb | southern Mid-Atlantic Ridge -18.067°, -12.429° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near southern Mid-Atlantic Ridge on May 23, 2023 at 20:55 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 20:28:15 UTC | 2.0md | 10km WNW of The Geysers, CA 38.825°, -122.852° | 2.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 10km WNW of The Geysers, CA with origin time 20:28 UTC on May 23, 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 19:36:30 UTC | 4.4mb | 127 km NNW of Finschhafen, Papua New Guinea -5.585°, 147.227° | 170.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 127 km NNW of Finschhafen, Papua New Guinea on May 23, 2023 at 19:36 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 19:23:24 UTC | 2.0ml | 23 km NNW of Three Rivers, Texas 28.660°, -98.262° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
At 19:23 UTC on May 23, 2023, a magnitude 2.0 tremor occurred 23 km NNW of Three Rivers, Texas. Coming 1 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 19:22:41 UTC | 4.1mb | 51 km NNW of Norðurþing, Iceland 66.483°, -17.688° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 23, 2023 brought a magnitude 4.1 earthquake 51 km NNW of Norðurþing, Iceland, logged at 19:22 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 19:19:58 UTC | 2.6ml | 23 km NNW of Three Rivers, Texas 28.662°, -98.263° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 23 km NNW of Three Rivers, Texas on May 23, 2023, with origin time 19:19 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 18:53:52 UTC | 4.5mb | southeast of the Loyalty Islands -23.144°, 170.594° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 23, 2023 brought a magnitude 4.5 earthquake southeast of the Loyalty Islands, logged at 18:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 13 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 18:41:48 UTC | 2.0ml | 43 km ESE of Pedro Bay, Alaska 59.579°, -153.457° | 109.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 43 km ESE of Pedro Bay, Alaska at 18:41 UTC on May 23, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 18:40:12 UTC | 2.4ml | 9 km W of Volcano, Hawaii 19.432°, -155.323° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023, worldwide seismic activity registered a magnitude 2.4 earthquake 9 km W of Volcano, Hawaii at 18:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 18 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 18:32:41 UTC | 2.9ml | 8 km S of Soldotna, Alaska 60.408°, -151.043° | 50.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 8 km S of Soldotna, Alaska on May 23, 2023, with origin time 18:32 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 18:30:17 UTC | 4.3mb | 45 km SSW of Mabay, Philippines 5.702°, 124.252° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023, worldwide seismic activity registered a magnitude 4.3 earthquake 45 km SSW of Mabay, Philippines at 18:30 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 18:23:04 UTC | 4.7mb | 33 km SW of Tambilil, Philippines 5.716°, 124.501° | 62.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 33 km SW of Tambilil, Philippines on May 23, 2023 at 18:23 UTC. Coming 1 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-23 2023-05-23 17:48:02 UTC | 4.6mb | southeast of the Loyalty Islands -23.187°, 171.017° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2023, worldwide seismic activity registered a magnitude 4.6 earthquake southeast of the Loyalty Islands at 17:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 6 hours earlier. See the M4.6 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 May 23, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.