Earthquakes on May 28, 2023
253
EARTHQUAKES on May 28, 2023
24-hour UTC period · USGS data
98 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
25
M3.0–3.9
25
M2.0–2.9
53
M1.0–1.9
145
Activity Summary
253
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
82 km WNW of Kirakira, Solomon Islands
03:29 UTC · 98.0 km deep
Felt by 1
5.3
34 km SE of Jurm, Afghanistan
05:49 UTC · 230.4 km deep
Felt by 18
5.2
1 km W of Aratoca, Colombia
15:45 UTC · 163.8 km deep
Felt by 39
5.1
Pacific-Antarctic Ridge
18:05 UTC · 10.0 km deep
5.1
42 km W of Kimbe, Papua New Guinea
12:52 UTC · 136.6 km deep
Felt by 2
4.9
10 km SSE of Huambo, Peru
19:08 UTC · 10.0 km deep
4.9
108 km WNW of Lata, Solomon Islands
16:13 UTC · 57.0 km deep
4.7
2 km NE of Jalālābād, Afghanistan
12:56 UTC · 55.3 km deep
Felt by 3
Earthquake Map — May 28, 2023

All Earthquakes — May 28, 2023
Showing 30 of 108 (filtered from 253)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-28 2023-05-28 23:29:54 UTC | 2.1ml | 51 km SE of Sand Point, Alaska 54.954°, -160.050° | 23.6 km | - | - | - | ✓ Reviewed | USGS → |
At 23:29 UTC on May 28, 2023, a magnitude 2.1 tremor occurred 51 km SE of Sand Point, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 23:16:40 UTC | 2.2ml | 4 km WSW of Hope, Alaska 60.906°, -149.726° | 26.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 4 km WSW of Hope, Alaska at 23:16 UTC on May 28, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 23:07:58 UTC | 2.0ml | 61 km ENE of Pedro Bay, Alaska 59.988°, -153.074° | 122.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 61 km ENE of Pedro Bay, Alaska at 23:07 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 21 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 22:58:33 UTC | 4.4mb | 6 km SSE of Hasaki, Japan 35.679°, 140.865° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 6 km SSE of Hasaki, Japan at 22:58 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 22:50:35 UTC | 3.6md | Dominican Republic region 19.309°, -68.390° | 61.0 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2023 brought a magnitude 3.6 earthquake in the Dominican Republic region, logged at 22:50 UTC. It arrived roughly 2 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 22:31:15 UTC | 3.4md | 134 km N of Suárez, Puerto Rico 19.643°, -65.738° | 69.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 134 km N of Suárez, Puerto Rico on May 28, 2023, with origin time 22:31 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 16 hours earlier. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 22:21:25 UTC | 2.1ml | 4 km SW of Volcano, Hawaii 19.415°, -155.261° | 1.6 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023 at 22:21 UTC, a magnitude 2.1 earthquake struck 4 km SW of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 17 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. | ||||||||
2023-05-28 2023-05-28 21:32:26 UTC | 4.0mb | 64 km SSW of Ashkāsham, Afghanistan 36.177°, 71.185° | 101.2 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2023 brought a magnitude 4.0 earthquake 64 km SSW of Ashkāsham, Afghanistan, logged at 21:32 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 21:12:56 UTC | 4.2mb | Celebes Sea 3.116°, 122.669° | 520.4 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023, worldwide seismic activity registered a magnitude 4.2 earthquake near Celebes Sea at 21:12 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 21:12:31 UTC | 2.0ml | 21 km W of Port Lions, Alaska 57.862°, -153.243° | 37.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:12 UTC on May 28, 2023, a magnitude 2.0 tremor occurred 21 km W of Port Lions, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 21:09:25 UTC | 2.0ml | 22 km W of Susitna, Alaska 61.571°, -150.928° | 57.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 22 km W of Susitna, Alaska at 21:09 UTC on May 28, 2023. It arrived roughly 16 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 21:05:27 UTC | 4.3mb | 38 km NW of Poso, Indonesia -1.117°, 120.544° | 40.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 38 km NW of Poso, Indonesia came in on May 28, 2023 at 21:05 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 21:00:29 UTC | 3.7md | 141 km NNE of Vieques, Puerto Rico 19.602°, -65.320° | 33.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.7 seismic event took place 141 km NNE of Vieques, Puerto Rico on May 28, 2023 at 21:00 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 20:48:33 UTC | 2.6ml | southern Idaho 44.758°, -114.403° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake near southern Idaho came in on May 28, 2023 at 20:48 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 20:47:11 UTC | 3.7md | 71 km NNE of Luquillo, Puerto Rico 18.958°, -65.434° | 21.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake 71 km NNE of Luquillo, Puerto Rico came in on May 28, 2023 at 20:47 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 20:37:48 UTC | 3.8md | 88 km ENE of Miches, Dominican Republic 19.402°, -68.327° | 42.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:37 UTC on May 28, 2023, a magnitude 3.8 tremor occurred 88 km ENE of Miches, Dominican Republic. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 20:27:23 UTC | 2.3md | 0 km SSW of Magas Arriba, Puerto Rico 18.012°, -66.771° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 0 km SSW of Magas Arriba, Puerto Rico on May 28, 2023 at 20:27 UTC. It arrived roughly 12 hours after a larger magnitude 2.6 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. | ||||||||
2023-05-28 2023-05-28 20:17:49 UTC | 4.2mb | 98 km WSW of Kurio, Japan 29.830°, 129.537° | 127.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:17 UTC on May 28, 2023, a magnitude 4.2 tremor occurred 98 km WSW of Kurio, Japan. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 20:09:06 UTC | 3.0md | 38 km NW of Aguadilla, Puerto Rico 18.652°, -67.437° | 12.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023, worldwide seismic activity registered a magnitude 3.0 earthquake 38 km NW of Aguadilla, Puerto Rico at 20:09 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 19:59:40 UTC | 2.8ml | 79 km SSE of King Cove, Alaska 54.379°, -161.953° | 23.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 79 km SSE of King Cove, Alaska on May 28, 2023, with origin time 19:59 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 19:57:12 UTC | 4.3mb | Kermadec Islands, New Zealand -29.997°, -177.625° | 38.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place near Kermadec Islands, New Zealand on May 28, 2023 at 19:57 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 19:57:08 UTC | 2.6ml | 104 km SE of False Pass, Alaska 54.091°, -162.472° | 28.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 104 km SE of False Pass, Alaska on May 28, 2023 at 19:57 UTC. Coming 17 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 19:46:53 UTC | 4.5mb | Pacific-Antarctic Ridge -55.291°, -128.089° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near Pacific-Antarctic Ridge on May 28, 2023 at 19:46 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 19:08:21 UTC | 4.9mb | 10 km SSE of Huambo, Peru -15.815°, -72.054° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 10 km SSE of Huambo, Peru at 19:08 UTC on May 28, 2023. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 18:51:22 UTC | 4.5mb | Eastern Xizang 28.672°, 91.476° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2023 brought a magnitude 4.5 earthquake near Eastern Xizang, logged at 18:51 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 18:28:44 UTC | 2.1ml | 86 km SSE of Kokhanok, Alaska 58.759°, -154.040° | 89.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 86 km SSE of Kokhanok, Alaska at 18:28 UTC on May 28, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 18:21:11 UTC | 4.2mb | Kermadec Islands region -27.410°, -179.901° | 456.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the Kermadec Islands region at 18:21 UTC on May 28, 2023. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 18:13:26 UTC | 2.2ml | 193 km WSW of Adak, Alaska 51.370°, -179.307° | 23.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 193 km WSW of Adak, Alaska on May 28, 2023, with origin time 18:13 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 18:05:09 UTC | 5.1mb | Pacific-Antarctic Ridge -58.368°, -139.906° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023, worldwide seismic activity registered a magnitude 5.1 earthquake near Pacific-Antarctic Ridge at 18:05 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-28 2023-05-28 18:03:11 UTC | 4.5mb | 32 km SW of Tungor, Russia 53.154°, 142.671° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2023 at 18:03 UTC, a magnitude 4.5 earthquake struck 32 km SW of Tungor, Russia. The event was offshore. See the M4.5 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 28, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.