Earthquakes on May 16, 2023
231
EARTHQUAKES on May 16, 2023
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
37
M3.0–3.9
14
M2.0–2.9
43
M1.0–1.9
135
Activity Summary
231
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
254 km WSW of Olonkinbyen, Svalbard and Jan Mayen
03:08 UTC · 10.0 km deep
5.0
15 km NNW of Lázaro Cárdenas, Mexico
18:22 UTC · 10.0 km deep
Felt by 1
4.9
48 km SE of Ambunti, Papua New Guinea
17:19 UTC · 89.0 km deep
4.9
105 km SSE of Pangai, Tonga
13:53 UTC · 10.0 km deep
4.7
112 km ESE of Kegen, Kazakhstan
21:56 UTC · 17.1 km deep
4.7
North Atlantic Ocean
21:29 UTC · 10.0 km deep
4.7
165 km SSE of Shimoda, Japan
11:57 UTC · 10.0 km deep
4.6
151 km S of Shimoda, Japan
11:56 UTC · 10.0 km deep
Earthquake Map — May 16, 2023

All Earthquakes — May 16, 2023
Showing 30 of 96 (filtered from 231)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-16 2023-05-16 23:43:42 UTC | 3.7ml | 81 km ESE of Yakutat, Alaska 59.371°, -138.326° | 7.6 km | - | V | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.7 earthquake 81 km ESE of Yakutat, Alaska with origin time 23:43 UTC on May 16, 2023. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 23:06:50 UTC | 2.2ml | 59 km E of Port Alsworth, Alaska 60.150°, -153.241° | 143.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 59 km E of Port Alsworth, Alaska on May 16, 2023 at 23:06 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 22:47:53 UTC | 2.4ml | 55 km S of Whites City, New Mexico 31.673°, -104.338° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 55 km S of Whites City, New Mexico came in on May 16, 2023 at 22:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 22:04:42 UTC | 2.7md | 14 km NW of Rincón, Puerto Rico 18.418°, -67.363° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 14 km NW of Rincón, Puerto Rico came in on May 16, 2023 at 22:04 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 21:59:21 UTC | 4.5mb | 14 km WNW of Hinundayan, Philippines 10.377°, 125.123° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2023 at 21:59 UTC, a magnitude 4.5 earthquake struck 14 km WNW of Hinundayan, Philippines. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 21:56:24 UTC | 4.7mb | 112 km ESE of Kegen, Kazakhstan 42.821°, 80.572° | 17.1 km | - | - | - | ✓ Reviewed | USGS → |
At 21:56 UTC on May 16, 2023, a magnitude 4.7 tremor occurred 112 km ESE of Kegen, Kazakhstan. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 21:32:16 UTC | 4.5mb | South Sandwich Islands region -56.223°, -27.748° | 88.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded in the South Sandwich Islands region on May 16, 2023 at 21:32 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 21:29:25 UTC | 2.6ml | 9 km ENE of Pāhala, Hawaii 19.241°, -155.396° | 31.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 9 km ENE of Pāhala, Hawaii with origin time 21:29 UTC on May 16, 2023. Coming 14 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 21:29:01 UTC | 4.7mb | North Atlantic Ocean 10.692°, -45.457° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake near North Atlantic Ocean at 21:29 UTC on May 16, 2023. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 20:39:16 UTC | 4.2mb | 53 km ESE of Greymouth, New Zealand -42.605°, 171.820° | 15.5 km | - | - | - | ✓ Reviewed | USGS → |
At 20:39 UTC on May 16, 2023, a magnitude 4.2 tremor occurred 53 km ESE of Greymouth, New Zealand. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 20:29:06 UTC | 2.2md | 5 km SE of Maricao, Puerto Rico 18.154°, -66.938° | 22.4 km | - | - | - | ✓ Reviewed | USGS → |
May 16, 2023 brought a magnitude 2.2 earthquake 5 km SE of Maricao, Puerto Rico, logged at 20:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 17 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 20:23:41 UTC | 3.1ml | 7 km NE of Wright, Wyoming 43.798°, -105.418° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2023 at 20:23 UTC, a magnitude 3.1 earthquake struck 7 km NE of Wright, Wyoming. Coming 1 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2023-05-16 2023-05-16 20:22:27 UTC | 4.5mb | 108 km NW of Houma, Tonga -20.479°, -176.041° | 193.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 108 km NW of Houma, Tonga with origin time 20:22 UTC on May 16, 2023. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 20:08:50 UTC | 3.5ml | 11 km SE of Wright, Wyoming 43.690°, -105.380° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:08 UTC on May 16, 2023, a magnitude 3.5 tremor occurred 11 km SE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 19:59:49 UTC | 2.3md | 3km ENE of Prattville, CA 40.224°, -121.123° | 4.4 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 3km ENE of Prattville, CA with origin time 19:59 UTC on May 16, 2023. It arrived roughly 8 hours after a larger magnitude 3.2 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 19:23:35 UTC | 2.0ml | 40 km NNW of Valdez, Alaska 61.468°, -146.629° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2023 at 19:23 UTC, a magnitude 2.0 earthquake struck 40 km NNW of Valdez, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 19:18:06 UTC | 4.2mwr | 58 km NE of San Pedro de Atacama, Chile -22.493°, -67.854° | 165.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 58 km NE of San Pedro de Atacama, Chile at 19:18 UTC on May 16, 2023. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 19:13:43 UTC | 2.0ml | 150 km WSW of Adak, Alaska 51.397°, -178.668° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 150 km WSW of Adak, Alaska on May 16, 2023 at 19:13 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 18:39:46 UTC | 2.0ml | 58 km ENE of Akutan, Alaska 54.246°, -164.907° | 67.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 58 km ENE of Akutan, Alaska with origin time 18:39 UTC on May 16, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 18:27:18 UTC | 2.1ml | 63 km SE of Denali National Park, Alaska 63.080°, -150.973° | 125.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 63 km SE of Denali National Park, Alaska on May 16, 2023, with origin time 18:27 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 18:22:12 UTC | 5.0mww | 15 km NNW of Lázaro Cárdenas, Mexico 23.094°, -100.120° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded 15 km NNW of Lázaro Cárdenas, Mexico on May 16, 2023 at 18:22 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:52:34 UTC | 2.1ml | 2 km S of Volcano, Hawaii 19.416°, -155.237° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
At 17:52 UTC on May 16, 2023, a magnitude 2.1 tremor occurred 2 km S of Volcano, Hawaii. It arrived roughly 1 hours after a larger magnitude 3.1 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:48:48 UTC | 2.8md | 6 km SW of Guánica, Puerto Rico 17.933°, -66.952° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 6 km SW of Guánica, Puerto Rico on May 16, 2023, with origin time 17:48 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:43:31 UTC | 2.6md | 7 km SW of Guánica, Puerto Rico 17.919°, -66.952° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
May 16, 2023 brought a magnitude 2.6 earthquake 7 km SW of Guánica, Puerto Rico, logged at 17:43 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:38:16 UTC | 2.3md | 2km NE of Almanor, CA 40.234°, -121.159° | 5.7 km | - | - | - | ✓ Reviewed | USGS → |
At 17:38 UTC on May 16, 2023, a magnitude 2.3 tremor occurred 2km NE of Almanor, CA. Coming 6 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:19:15 UTC | 4.9mb | 48 km SE of Ambunti, Papua New Guinea -4.503°, 143.151° | 89.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 48 km SE of Ambunti, Papua New Guinea with origin time 17:19 UTC on May 16, 2023. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:15:11 UTC | 3.1md | 2 km S of Volcano, Hawaii 19.418°, -155.238° | 0.9 km | 24 | - | - | ✓ Reviewed | USGS → |
May 16, 2023 brought a magnitude 3.1 earthquake 2 km S of Volcano, Hawaii, logged at 17:15 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. | ||||||||
2023-05-16 2023-05-16 17:11:27 UTC | 4.3mb | 99 km NNE of Atka, Alaska 53.049°, -173.763° | 244.7 km | 1 | I | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 99 km NNE of Atka, Alaska on May 16, 2023 at 17:11 UTC. This is the deepest earthquake in the current dataset — an intermediate depth event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-16 2023-05-16 17:10:45 UTC | 2.2md | 2 km NE of Magas Arriba, Puerto Rico 18.032°, -66.753° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 2 km NE of Magas Arriba, Puerto Rico on May 16, 2023 at 17:10 UTC. It arrived roughly 14 hours after a larger magnitude 2.5 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. | ||||||||
2023-05-16 2023-05-16 17:04:07 UTC | 3.8ml | 23 km NE of Susitna North, Alaska 62.336°, -149.598° | 44.3 km | 13 | II | - | ✓ Reviewed | USGS → |
A magnitude 3.8 earthquake was recorded 23 km NE of Susitna North, Alaska on May 16, 2023 at 17:04 UTC. The event was offshore. See the M3.8 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 16, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.