Earthquakes on May 18, 2023
292
EARTHQUAKES on May 18, 2023
24-hour UTC period · USGS data
LARGEST: M5.2 — South Sandwich Islands region
42 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
37
M3.0–3.9
15
M2.0–2.9
52
M1.0–1.9
186
Activity Summary
292
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
South Sandwich Islands region
11:56 UTC · 42.4 km deep
5.1
6 km SSW of Moíres, Greece
18:58 UTC · 10.8 km deep
Felt by 43
4.9
South Sandwich Islands region
12:47 UTC · 45.5 km deep
4.8
Kermadec Islands, New Zealand
21:59 UTC · 35.0 km deep
4.8
central East Pacific Rise
10:43 UTC · 10.0 km deep
4.8
Dominican Republic region
08:43 UTC · 15.3 km deep
Felt by 114
4.7
Tonga
19:43 UTC · 149.0 km deep
4.7
Carlsberg Ridge
00:18 UTC · 10.0 km deep
Earthquake Map — May 18, 2023
All Earthquakes — May 18, 2023
Showing 30 of 106 (filtered from 292)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-18 2023-05-18 23:58:18 UTC | 2.1ml | 74 km SW of Pilot Point, Alaska 57.027°, -158.327° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 74 km SW of Pilot Point, Alaska at 23:58 UTC on May 18, 2023. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 23:55:38 UTC | 2.2ml | 102 km SSW of Unalaska, Alaska 52.973°, -166.888° | 20.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 102 km SSW of Unalaska, Alaska on May 18, 2023 at 23:55 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 23:52:54 UTC | 4.3mb | 12 km SSW of Moíres, Greece 34.944°, 24.828° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 18, 2023 brought a magnitude 4.3 earthquake 12 km SSW of Moíres, Greece, logged at 23:52 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 5 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 23:20:55 UTC | 4.2mb | Crete, Greece 35.001°, 24.916° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
At 23:20 UTC on May 18, 2023, a magnitude 4.2 tremor occurred near Crete, Greece. It arrived roughly 4 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:58:59 UTC | 2.5ml | 77 km N of Arctic Village, Alaska 68.819°, -145.402° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 77 km N of Arctic Village, Alaska on May 18, 2023 at 22:58 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:55:45 UTC | 4.2mb | 49 km SSW of Nueva Concepci?n, Guatemala 13.781°, -91.468° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 49 km SSW of Nueva Concepci?n, Guatemala at 22:55 UTC on May 18, 2023. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:54:55 UTC | 2.6md | 5 km SE of G. L. Garcia, Puerto Rico 18.093°, -66.072° | 18.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 5 km SE of G. L. Garcia, Puerto Rico on May 18, 2023, with origin time 22:54 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:27:59 UTC | 2.0md | 8 km ENE of Pāhala, Hawaii 19.238°, -155.402° | 30.1 km | - | - | - | Auto | USGS → |
On May 18, 2023 at 22:27 UTC, a magnitude 2.0 earthquake struck 8 km ENE of Pāhala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:16:39 UTC | 2.3ml | 20 km SSE of Gonzales, Texas 29.336°, -97.359° | 7.1 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 20 km SSE of Gonzales, Texas at 22:16 UTC on May 18, 2023. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:13:40 UTC | 4.5mb | near the coast of Nicaragua 12.256°, -87.785° | 47.7 km | - | - | - | ✓ Reviewed | USGS → |
At 22:13 UTC on May 18, 2023, a magnitude 4.5 tremor occurred near near the coast of Nicaragua. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:12:57 UTC | 2.2ml | 33 km NE of Chase, Alaska 62.654°, -149.637° | 64.7 km | - | - | - | ✓ Reviewed | USGS → |
May 18, 2023 brought a magnitude 2.2 earthquake 33 km NE of Chase, Alaska, logged at 22:12 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:12:55 UTC | 4.2mb | Tonga -15.458°, -174.626° | 176.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected near Tonga on May 18, 2023, with origin time 22:12 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 22:12:18 UTC | 3.0ml | Andreanof Islands, Aleutian Islands, Alaska 50.987°, -173.231° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded near Andreanof Islands, Aleutian Islands, Alaska on May 18, 2023 at 22:12 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:59:35 UTC | 4.8mb | Kermadec Islands, New Zealand -30.084°, -177.714° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 18, 2023, worldwide seismic activity registered a magnitude 4.8 earthquake near Kermadec Islands, New Zealand at 21:59 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:57:25 UTC | 2.2md | 4km SSW of East Shore, CA 40.208°, -121.087° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 4km SSW of East Shore, CA on May 18, 2023, with origin time 21:57 UTC. Coming 6 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:56:27 UTC | 4.6mb | 27 km SW of Yawatahama, Japan 33.289°, 132.211° | 62.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 27 km SW of Yawatahama, Japan on May 18, 2023 at 21:56 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:47:35 UTC | 2.2ml | 36 km NNW of Toyah, Texas 31.608°, -103.970° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 18, 2023 at 21:47 UTC, a magnitude 2.2 earthquake struck 36 km NNW of Toyah, Texas. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:42:21 UTC | 2.4ml | 9 km S of Pāhala, Hawaii 19.114°, -155.478° | 31.0 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 9 km S of Pāhala, Hawaii with origin time 21:42 UTC on May 18, 2023. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:23:07 UTC | 2.4ml | 8 km S of Volcano, Hawaii 19.369°, -155.240° | 31.5 km | 1 | - | - | ✓ Reviewed | USGS → |
On May 18, 2023, worldwide seismic activity registered a magnitude 2.4 earthquake 8 km S of Volcano, Hawaii at 21:23 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:18:30 UTC | 4.0mb | 254 km NNW of Nagqu, China 33.624°, 91.090° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 254 km NNW of Nagqu, China at 21:18 UTC on May 18, 2023. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 21:08:23 UTC | 4.6mb | 15 km SE of Adak, Alaska 51.779°, -176.476° | 59.6 km | - | II | - | ✓ Reviewed | USGS → |
May 18, 2023 brought a magnitude 4.6 earthquake 15 km SE of Adak, Alaska, logged at 21:08 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 20:07:20 UTC | 4.3mb | Carlsberg Ridge 1.216°, 67.270° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 18, 2023 at 20:07 UTC, a magnitude 4.3 earthquake struck near Carlsberg Ridge. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 19:50:57 UTC | 2.3ml | 66 km ESE of Denali National Park, Alaska 63.303°, -150.494° | 123.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 66 km ESE of Denali National Park, Alaska on May 18, 2023, with origin time 19:50 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 19:47:41 UTC | 2.1ml | 8 km SSW of Roosevelt, Oklahoma 34.784°, -99.065° | 0.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 8 km SSW of Roosevelt, Oklahoma on May 18, 2023 at 19:47 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. | ||||||||
2023-05-18 2023-05-18 19:43:25 UTC | 4.7mb | Tonga -20.051°, -175.438° | 149.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected near Tonga on May 18, 2023, with origin time 19:43 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 19:30:29 UTC | 2.5mb_lg | 12 km SE of Lincolnville, Kansas 38.408°, -96.866° | 5.0 km | 3 | - | - | ✓ Reviewed | USGS → |
May 18, 2023 brought a magnitude 2.5 earthquake 12 km SE of Lincolnville, Kansas, logged at 19:30 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 19:00:00 UTC | 2.6ml | 55 km S of Whites City, New Mexico 31.679°, -104.414° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
At 19:00 UTC on May 18, 2023, a magnitude 2.6 tremor occurred 55 km S of Whites City, New Mexico. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 18:58:51 UTC | 5.1mww | 6 km SSW of Moíres, Greece 34.992°, 24.849° | 10.8 km | 43 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded 6 km SSW of Moíres, Greece on May 18, 2023 at 18:58 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 18:38:45 UTC | 4.6mb | South Sandwich Islands region -60.350°, -29.181° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 18, 2023 at 18:38 UTC, a magnitude 4.6 earthquake struck in the South Sandwich Islands region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-18 2023-05-18 18:34:39 UTC | 2.9ml | 296 km SE of Chiniak, Alaska 56.025°, -148.391° | 15.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:34 UTC on May 18, 2023, a magnitude 2.9 tremor occurred 296 km SE of Chiniak, Alaska. The event was offshore. See the M2.9 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 18, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.