Earthquakes on May 23, 2021
304
EARTHQUAKES on May 23, 2021
24-hour UTC period · USGS data
83 km deep · 5 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
49
M3.0–3.9
7
M2.0–2.9
55
M1.0–1.9
187
Activity Summary
304
Total earthquakes
~250
Daily average
Elevated
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.5
215 km SE of Pondaguitan, Philippines
02:02 UTC · 83.0 km deep
Felt by 5
5.3
South Sandwich Islands region
08:58 UTC · 35.0 km deep
5.2
35 km WNW of Labuan, Indonesia
03:50 UTC · 15.9 km deep
Felt by 2
5.1
63 km SW of Masachapa, Nicaragua
22:37 UTC · 34.8 km deep
Felt by 8
5.1
82 km WSW of San Nicolas, Philippines
04:41 UTC · 10.0 km deep
Felt by 3
5.1
53 km W of Labuan, Indonesia
03:48 UTC · 10.0 km deep
Felt by 1
4.9
Kermadec Islands, New Zealand
02:40 UTC · 10.0 km deep
4.7
53 km W of Labuan, Indonesia
04:33 UTC · 10.0 km deep
Earthquake Map — May 23, 2021
All Earthquakes — May 23, 2021
Showing 30 of 117 (filtered from 304)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-05-23 2021-05-23 23:58:31 UTC | 2.5md | 2 km SSE of P?hala, Hawaii 19.187°, -155.468° | 34.4 km | - | - | - | Auto | USGS → |
At 23:58 UTC on May 23, 2021, a magnitude 2.5 tremor occurred 2 km SSE of P?hala, Hawaii. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 23:49:03 UTC | 3.0ml | 7 km ESE of Christchurch, New Zealand -43.562°, 172.711° | 10.0 km | 29 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 7 km ESE of Christchurch, New Zealand on May 23, 2021 at 23:49 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 23:10:50 UTC | 2.0md | 1km NW of Lake Davis, CA 39.873°, -120.477° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 1km NW of Lake Davis, CA at 23:10 UTC on May 23, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 14 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 23:08:10 UTC | 4.6mb | Kermadec Islands region -28.510°, -177.325° | 66.2 km | - | - | - | ✓ Reviewed | USGS → |
May 23, 2021 brought a magnitude 4.6 earthquake in the Kermadec Islands region, logged at 23:08 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 23:07:56 UTC | 2.0ml | 4 km NE of Quinton, Oklahoma 35.157°, -95.341° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 4 km NE of Quinton, Oklahoma with origin time 23:07 UTC on May 23, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 22 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:52:56 UTC | 4.3mb | 17 km ENE of Gisenyi, Rwanda -1.647°, 29.407° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 23, 2021 brought a magnitude 4.3 earthquake 17 km ENE of Gisenyi, Rwanda, logged at 22:52 UTC. Coming 2 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:39:04 UTC | 2.4md | 4 km ESE of La Parguera, Puerto Rico 17.962°, -67.007° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:39 UTC on May 23, 2021, a magnitude 2.4 tremor occurred 4 km ESE of La Parguera, Puerto Rico. It arrived roughly 14 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:37:52 UTC | 5.1mb | 63 km SW of Masachapa, Nicaragua 11.393°, -86.940° | 34.8 km | 8 | - | - | ✓ Reviewed | USGS → |
On May 23, 2021, worldwide seismic activity registered a magnitude 5.1 earthquake 63 km SW of Masachapa, Nicaragua at 22:37 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:30:40 UTC | 4.4mb | Tonga -20.762°, -173.494° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near Tonga with origin time 22:30 UTC on May 23, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:29:24 UTC | 2.5ml | 2 km NE of Quinton, Oklahoma 35.144°, -95.352° | 6.4 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 2 km NE of Quinton, Oklahoma on May 23, 2021 at 22:29 UTC. It arrived roughly 21 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:27:15 UTC | 2.6md | 1 km SW of Ponce, Puerto Rico 17.998°, -66.633° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 1 km SW of Ponce, Puerto Rico on May 23, 2021 at 22:27 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 22:14:55 UTC | 4.6mb | Norwegian Sea 72.582°, 3.565° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2021 at 22:14 UTC, a magnitude 4.6 earthquake struck near Norwegian Sea. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:59:52 UTC | 4.2mb | 54 km NE of Kainantu, Papua New Guinea -5.974°, 146.240° | 48.8 km | - | - | - | ✓ Reviewed | USGS → |
May 23, 2021 brought a magnitude 4.2 earthquake 54 km NE of Kainantu, Papua New Guinea, logged at 21:59 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:58:59 UTC | 4.6mwr | 26 km S of Quilpué, Chile -33.279°, -71.391° | 52.8 km | 12 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 26 km S of Quilpué, Chile on May 23, 2021 at 21:58 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:56:37 UTC | 3.8mb | Rat Islands, Aleutian Islands, Alaska 52.145°, 178.163° | 119.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.8 earthquake near Rat Islands, Aleutian Islands, Alaska at 21:56 UTC on May 23, 2021. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:40:45 UTC | 4.2ml | 15 km S of Volcano, Hawaii 19.308°, -155.215° | 7.5 km | 230 | IV | green | ✓ Reviewed | USGS → |
On May 23, 2021 at 21:40 UTC, a magnitude 4.2 earthquake struck 15 km S of Volcano, Hawaii. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:30:44 UTC | 4.5mb | 130 km WNW of Ternate, Indonesia 1.418°, 126.392° | 49.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 130 km WNW of Ternate, Indonesia at 21:30 UTC on May 23, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:11:10 UTC | 4.6mb | 84 km W of Campo Pesquero el Colorado, Mexico 25.686°, -110.154° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 84 km W of Campo Pesquero el Colorado, Mexico with origin time 21:11 UTC on May 23, 2021. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:10:46 UTC | 4.4mb | 50 km NNE of Isangel, Vanuatu -19.143°, 169.519° | 252.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 50 km NNE of Isangel, Vanuatu at 21:10 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 21:06:41 UTC | 3.1ml | 144 km W of Adak, Alaska 51.652°, -178.700° | 81.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2021 at 21:06 UTC, a magnitude 3.1 earthquake struck 144 km W of Adak, Alaska. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 20:38:56 UTC | 4.5mb | 2 km NNE of Goma, Democratic Republic of the Congo -1.652°, 29.237° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 2 km NNE of Goma, Democratic Republic of the Congo on May 23, 2021, with origin time 20:38 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 20:34:40 UTC | 2.1ml | 5 km NE of Quinton, Oklahoma 35.158°, -95.332° | 6.1 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 5 km NE of Quinton, Oklahoma on May 23, 2021 at 20:34 UTC. It arrived roughly 19 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:38:46 UTC | 2.9ml | 207 km SE of Chiniak, Alaska 56.321°, -149.822° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 23, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 207 km SE of Chiniak, Alaska at 19:38 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:38:23 UTC | 3.4ml | 15 km S of Volcano, Hawaii 19.305°, -155.215° | 7.8 km | 4 | III | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 15 km S of Volcano, Hawaii on May 23, 2021 at 19:38 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:14:16 UTC | 2.2md | 39km NNE of Toms Place, CA 37.903°, -118.561° | 2.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 39km NNE of Toms Place, CA on May 23, 2021 at 19:14 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:09:35 UTC | 2.1ml | 2 km NNE of Quinton, Oklahoma 35.145°, -95.353° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
May 23, 2021 brought a magnitude 2.1 earthquake 2 km NNE of Quinton, Oklahoma, logged at 19:09 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 18 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:09:17 UTC | 4.6mb | 3 km SSE of Fujishiro, Japan 35.890°, 140.136° | 67.8 km | 30 | - | - | ✓ Reviewed | USGS → |
On May 23, 2021, worldwide seismic activity registered a magnitude 4.6 earthquake 3 km SSE of Fujishiro, Japan at 19:09 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:01:39 UTC | 4.5mb | 45 km NW of Josh?math, India 30.876°, 79.271° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 45 km NW of Josh?math, India came in on May 23, 2021 at 19:01 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 19:00:51 UTC | 4.2mb | 45 km WSW of Sarangani, Philippines 5.202°, 125.104° | 248.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 45 km WSW of Sarangani, Philippines on May 23, 2021 at 19:00 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-23 2021-05-23 18:37:07 UTC | 4.6mwr | 85 km WNW of San Antonio de los Cobres, Argentina -23.923°, -67.091° | 164.3 km | 1 | - | - | ✓ Reviewed | USGS → |
At 18:37 UTC on May 23, 2021, a magnitude 4.6 tremor occurred 85 km WNW of San Antonio de los Cobres, Argentina. 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.