Earthquakes on May 1, 2023
263
EARTHQUAKES on May 1, 2023
24-hour UTC period · USGS data
9 km deep · 10 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
9
M4.0–4.9
37
M3.0–3.9
14
M2.0–2.9
46
M1.0–1.9
157
Activity Summary
263
Total earthquakes
~250
Daily average
Normal
Activity level
9
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.9
69 km ESE of Katsuren-haebaru, Japan
03:22 UTC · 9.0 km deep
Felt by 10
5.6
south of the Fiji Islands
10:55 UTC · 580.2 km deep
5.3
Ryukyu Islands, Japan
07:59 UTC · 10.0 km deep
Felt by 4
5.3
Ryukyu Islands, Japan
02:22 UTC · 20.0 km deep
Felt by 2
5.2
33 km WSW of Cittadella del Capo, Italy
02:41 UTC · 249.7 km deep
Felt by 2
5.1
Kermadec Islands, New Zealand
11:59 UTC · 10.0 km deep
5.1
74 km ESE of Katsuren-haebaru, Japan
02:21 UTC · 16.2 km deep
5.1
Kermadec Islands, New Zealand
00:16 UTC · 28.1 km deep
Earthquake Map — May 1, 2023

All Earthquakes — May 1, 2023
Showing 30 of 106 (filtered from 263)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-01 2023-05-01 23:45:35 UTC | 4.2mb | south of the Kermadec Islands -34.864°, 179.814° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded south of the Kermadec Islands on May 1, 2023 at 23:45 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 23:44:06 UTC | 4.2mb | Southern Peru -17.481°, -70.018° | 167.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake near Southern Peru with origin time 23:44 UTC on May 1, 2023. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 23:16:24 UTC | 2.7ml | 118 km SSE of False Pass, Alaska 53.823°, -162.955° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 118 km SSE of False Pass, Alaska on May 1, 2023 at 23:16 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 23:13:47 UTC | 3.6mw | 4km SE of Point Arena, CA 38.891°, -123.659° | 9.1 km | 122 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.6 event was detected 4km SE of Point Arena, CA on May 1, 2023, with origin time 23:13 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 23:00:30 UTC | 4.5mb | 111 km WNW of Kirakira, Solomon Islands -10.025°, 161.003° | 69.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 111 km WNW of Kirakira, Solomon Islands on May 1, 2023 at 23:00 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 22:55:34 UTC | 4.0mb | south of the Fiji Islands -24.858°, 179.885° | 506.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake south of the Fiji Islands at 22:55 UTC on May 1, 2023. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 22:50:42 UTC | 4.2mb | Kermadec Islands, New Zealand -29.874°, -177.449° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 1, 2023, worldwide seismic activity registered a magnitude 4.2 earthquake near Kermadec Islands, New Zealand at 22:50 UTC. It arrived roughly 23 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. | ||||||||
2023-05-01 2023-05-01 22:42:08 UTC | 4.6mb | South Sandwich Islands region -58.654°, -24.998° | 22.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake in the South Sandwich Islands region at 22:42 UTC on May 1, 2023. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 22:39:52 UTC | 4.5mb | South Sandwich Islands region -58.585°, -24.919° | 23.3 km | - | - | - | ✓ Reviewed | USGS → |
May 1, 2023 brought a magnitude 4.5 earthquake in the South Sandwich Islands region, logged at 22:39 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:55:29 UTC | 2.3ml | 11 km NNW of Georgetown, Idaho 42.580°, -111.401° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 11 km NNW of Georgetown, Idaho at 21:55 UTC on May 1, 2023. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:54:09 UTC | 4.3mb | 263 km ENE of Olonkinbyen, Svalbard and Jan Mayen 71.685°, -1.754° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 263 km ENE of Olonkinbyen, Svalbard and Jan Mayen came in on May 1, 2023 at 21:54 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:51:40 UTC | 4.1mb | 120 km W of San Antonio de los Cobres, Argentina -24.331°, -67.495° | 201.3 km | - | - | - | ✓ Reviewed | USGS → |
May 1, 2023 brought a magnitude 4.1 earthquake 120 km W of San Antonio de los Cobres, Argentina, logged at 21:51 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:36:01 UTC | 4.2mb | eastern Turkey 38.158°, 38.553° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:36 UTC on May 1, 2023, a magnitude 4.2 tremor occurred near eastern Turkey. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:35:47 UTC | 2.5ml | 2km SW of Heber, CA 32.718°, -115.545° | 9.2 km | 3 | - | - | ✓ Reviewed | USGS → |
On May 1, 2023 at 21:35 UTC, a magnitude 2.5 earthquake struck 2km SW of Heber, CA. Coming 20 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:32:21 UTC | 2.2ml | 50 km W of Mentone, Texas 31.697°, -104.135° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 1, 2023 at 21:32 UTC, a magnitude 2.2 earthquake struck 50 km W of Mentone, Texas. It arrived roughly 5 hours after a larger magnitude 2.7 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. | ||||||||
2023-05-01 2023-05-01 21:21:24 UTC | 2.5ml | 18km SE of Ocotillo Wells, CA 33.028°, -116.001° | 9.5 km | 5 | - | - | ✓ Reviewed | USGS → |
May 1, 2023 brought a magnitude 2.5 earthquake 18km SE of Ocotillo Wells, CA, logged at 21:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 21:14:04 UTC | 2.4ml | 83 km SSE of Kokhanok, Alaska 58.715°, -154.406° | 105.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 83 km SSE of Kokhanok, Alaska on May 1, 2023 at 21:14 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 20:47:10 UTC | 2.5md | 19 km SSW of Central Aguirre, Puerto Rico 17.795°, -66.309° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 19 km SSW of Central Aguirre, Puerto Rico on May 1, 2023, with origin time 20:47 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 20:40:18 UTC | 2.4md | 2km N of The Geysers, CA 38.795°, -122.752° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 2km N of The Geysers, CA with origin time 20:40 UTC on May 1, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 20:36:51 UTC | 3.1ml | 17km SE of Ocotillo Wells, CA 33.028°, -116.008° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 1, 2023, worldwide seismic activity registered a magnitude 3.1 earthquake 17km SE of Ocotillo Wells, CA at 20:36 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 20:04:09 UTC | 2.5ml | 6 km E of Ninilchik, Alaska 60.057°, -151.555° | 68.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 6 km E of Ninilchik, Alaska came in on May 1, 2023 at 20:04 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 19:35:41 UTC | 4.3md | Mona Passage 18.436°, -68.811° | 123.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected near Mona Passage on May 1, 2023, with origin time 19:35 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 18:56:15 UTC | 4.2mb | 81 km SSE of Onagawa Chō, Japan 37.820°, 141.937° | 55.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 81 km SSE of Onagawa Chō, Japan at 18:56 UTC on May 1, 2023. Coming 4 hours after a magnitude 4.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 18:48:23 UTC | 4.1mb | 56 km ESE of Colchane, Chile -19.396°, -68.114° | 179.1 km | - | - | - | ✓ Reviewed | USGS → |
On May 1, 2023 at 18:48 UTC, a magnitude 4.1 earthquake struck 56 km ESE of Colchane, Chile. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 18:45:54 UTC | 2.8md | 3 km ESE of Ridgely, Tennessee 36.251°, -89.449° | 6.2 km | 39 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 3 km ESE of Ridgely, Tennessee on May 1, 2023, with origin time 18:45 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 18:33:09 UTC | 2.6ml | 75 km SSE of Perryville, Alaska 55.310°, -158.579° | 48.6 km | - | - | - | ✓ Reviewed | USGS → |
On May 1, 2023, worldwide seismic activity registered a magnitude 2.6 earthquake 75 km SSE of Perryville, Alaska at 18:33 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 18:29:58 UTC | 2.1ml | 49 km W of Salamatof, Alaska 60.551°, -152.214° | 87.4 km | - | - | - | ✓ Reviewed | USGS → |
At 18:29 UTC on May 1, 2023, a magnitude 2.1 tremor occurred 49 km W of Salamatof, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 18:00:17 UTC | 3.2md | 10 km NNW of Levittown, Puerto Rico 18.540°, -66.213° | 94.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 10 km NNW of Levittown, Puerto Rico with origin time 18:00 UTC on May 1, 2023. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 17:17:04 UTC | 3.0ml | 253 km W of Adak, Alaska 51.803°, 179.696° | 108.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 253 km W of Adak, Alaska on May 1, 2023 at 17:17 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-01 2023-05-01 17:14:49 UTC | 2.7ml | Near the north coast of Chukotskiy Avtonomnyy Okrug, Russia 66.380°, -171.044° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
May 1, 2023 brought a magnitude 2.7 earthquake near Near the north coast of Chukotskiy Avtonomnyy Okrug, Russia, logged at 17:14 UTC. See the M2.7 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 1, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.