Earthquakes on May 21, 2024
249
EARTHQUAKES on May 21, 2024
24-hour UTC period · USGS data
57 km deep · 4 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
38
M3.0–3.9
14
M2.0–2.9
53
M1.0–1.9
137
Activity Summary
249
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
57 km NE of Lae, Papua New Guinea
03:35 UTC · 57.0 km deep
Felt by 4
5.4
199 km N of Sola, Vanuatu
09:50 UTC · 248.3 km deep
5.4
Bonin Islands, Japan region
00:39 UTC · 59.8 km deep
5.3
Pacific-Antarctic Ridge
11:09 UTC · 10.0 km deep
5.3
261 km ESE of Biak, Indonesia
08:31 UTC · 22.1 km deep
5.1
3 km S of Piñas, Ecuador
02:43 UTC · 84.2 km deep
Felt by 25
5.0
72 km NE of Calama, Chile
08:21 UTC · 106.4 km deep
4.9
276 km ESE of Tadine, New Caledonia
12:58 UTC · 10.0 km deep
Earthquake Map — May 21, 2024
All Earthquakes — May 21, 2024
Showing 30 of 112 (filtered from 249)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-05-21 2024-05-21 23:22:09 UTC | 2.5ml | 110 km SSW of Unalaska, Alaska 52.938°, -167.076° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:22 UTC on May 21, 2024, a magnitude 2.5 tremor occurred 110 km SSW of Unalaska, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 23:14:17 UTC | 2.1ml | 21 km ENE of Chickaloon, Alaska 61.892°, -148.102° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 21 km ENE of Chickaloon, Alaska on May 21, 2024 at 23:14 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 23:05:30 UTC | 2.0ml | 3 km ENE of Eatonville, Washington 46.880°, -122.230° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 3 km ENE of Eatonville, Washington came in on May 21, 2024 at 23:05 UTC. 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. | ||||||||
2024-05-21 2024-05-21 21:44:34 UTC | 4.8mb | South Sandwich Islands region -55.836°, -27.375° | 69.5 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2024 brought a magnitude 4.8 earthquake in the South Sandwich Islands region, logged at 21:44 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 21:40:16 UTC | 4.4mb | 1 km N of Shisui, Japan 35.733°, 140.270° | 75.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 1 km N of Shisui, Japan on May 21, 2024 at 21:40 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 21:38:26 UTC | 4.6mb | 174 km E of ‘Ohonua, Tonga -21.517°, -173.281° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 174 km E of ‘Ohonua, Tonga with origin time 21:38 UTC on May 21, 2024. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 21:27:38 UTC | 2.1ml | 69 km NNE of Ouzinkie, Alaska 58.497°, -152.044° | 38.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 69 km NNE of Ouzinkie, Alaska with origin time 21:27 UTC on May 21, 2024. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 21:24:46 UTC | 4.6mb | Kermadec Islands region -31.630°, -178.128° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2024, worldwide seismic activity registered a magnitude 4.6 earthquake in the Kermadec Islands region at 21:24 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 21:08:23 UTC | 3.0ml | 67 km SSE of Atka, Alaska 51.656°, -173.752° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 67 km SSE of Atka, Alaska came in on May 21, 2024 at 21:08 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 21:02:55 UTC | 3.1ml | Rat Islands, Aleutian Islands, Alaska 51.370°, 177.689° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:02 UTC on May 21, 2024, a magnitude 3.1 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 20:46:22 UTC | 4.3mb | 88 km E of Tomioka, Japan 37.383°, 142.016° | 44.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 88 km E of Tomioka, Japan at 20:46 UTC on May 21, 2024. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 20:24:50 UTC | 4.1mb | Greenland Sea 73.499°, 7.897° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2024 brought a magnitude 4.1 earthquake near Greenland Sea, logged at 20:24 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 19:55:34 UTC | 2.7ml | 55 km NW of Toyah, Texas 31.674°, -104.207° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2024, worldwide seismic activity registered a magnitude 2.7 earthquake 55 km NW of Toyah, Texas at 19:55 UTC. It arrived roughly 1 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 19:41:14 UTC | 4.5mb | south of the Fiji Islands -24.097°, -177.219° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected south of the Fiji Islands on May 21, 2024, with origin time 19:41 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 19:28:09 UTC | 2.5ml | 61 km S of Whites City, New Mexico 31.631°, -104.492° | 5.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 61 km S of Whites City, New Mexico at 19:28 UTC on May 21, 2024. It arrived roughly 5 hours after a larger magnitude 3.4 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. | ||||||||
2024-05-21 2024-05-21 19:26:56 UTC | 2.7ml | 34 km WNW of Ninilchik, Alaska 60.217°, -152.194° | 73.1 km | - | - | - | ✓ Reviewed | USGS → |
At 19:26 UTC on May 21, 2024, a magnitude 2.7 tremor occurred 34 km WNW of Ninilchik, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 19:11:03 UTC | 3.0ml | 54 km NW of Toyah, Texas 31.672°, -104.194° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 54 km NW of Toyah, Texas on May 21, 2024 at 19:11 UTC. 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 M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 18:49:13 UTC | 4.3mb | West Chile Rise -43.425°, -82.078° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected near West Chile Rise on May 21, 2024, with origin time 18:49 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 18:31:26 UTC | 2.4md | 13 km NE of Pāhala, Hawaii 19.272°, -155.371° | 33.0 km | - | - | - | Auto | USGS → |
A magnitude 2.4 seismic event took place 13 km NE of Pāhala, Hawaii on May 21, 2024 at 18:31 UTC. It arrived roughly 9 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 18:28:44 UTC | 2.2md | 2 km SSW of Pāhala, Hawaii 19.183°, -155.490° | 29.5 km | - | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 2 km SSW of Pāhala, Hawaii on May 21, 2024 at 18:28 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 9 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 18:23:09 UTC | 2.0ml | 55 km S of Whites City, New Mexico 31.674°, -104.423° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2024 brought a magnitude 2.0 earthquake 55 km S of Whites City, New Mexico, logged at 18:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 4 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 17:20:46 UTC | 2.9ml | 22 km N of Searles Valley, CA 35.963°, -117.387° | 1.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On May 21, 2024 at 17:20 UTC, a magnitude 2.9 earthquake struck 22 km N of Searles Valley, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:56:55 UTC | 4.4mb | Kermadec Islands, New Zealand -29.327°, -177.101° | 49.9 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2024 brought a magnitude 4.4 earthquake near Kermadec Islands, New Zealand, logged at 16:56 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:54:13 UTC | 4.3mb | 58 km W of Zhaotong, China 27.268°, 103.128° | 18.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 58 km W of Zhaotong, China came in on May 21, 2024 at 16:54 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:52:21 UTC | 3.4ml | 34 km NNE of Ranchester, Wyoming 45.168°, -106.931° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2024 brought a magnitude 3.4 earthquake 34 km NNE of Ranchester, Wyoming, logged at 16:52 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:49:30 UTC | 2.2ml | 17 km SW of Thatcher, Utah 41.569°, -112.418° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 17 km SW of Thatcher, Utah on May 21, 2024 at 16:49 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:34:41 UTC | 2.2ml | 54 km NW of Toyah, Texas 31.667°, -104.191° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2024 brought a magnitude 2.2 earthquake 54 km NW of Toyah, Texas, logged at 16:34 UTC. Coming 1 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:33:57 UTC | 2.3ml | 71 km SSE of Akutan, Alaska 53.538°, -165.385° | 46.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2024 at 16:33 UTC, a magnitude 2.3 earthquake struck 71 km SSE of Akutan, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 16:25:15 UTC | 2.3ml | 55 km NW of Toyah, Texas 31.675°, -104.192° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 55 km NW of Toyah, Texas on May 21, 2024 at 16:25 UTC. 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-05-21 2024-05-21 15:48:33 UTC | 4.2mb | 212 km ENE of Levuka, Fiji -17.651°, -178.725° | 553.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 212 km ENE of Levuka, Fiji at 15:48 UTC on May 21, 2024. 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. | ||||||||
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 21, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.