Earthquakes on May 21, 2025
193
EARTHQUAKES on May 21, 2025
24-hour UTC period · USGS data
LARGEST: M5.2 — South Sandwich Islands region
35 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
29
M3.0–3.9
15
M2.0–2.9
27
M1.0–1.9
120
Activity Summary
193
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.2
South Sandwich Islands region
19:36 UTC · 35.0 km deep
5.2
251 km SSE of Ushuaia, Argentina
00:38 UTC · 10.0 km deep
Felt by 4
4.9
South Sandwich Islands region
13:46 UTC · 35.0 km deep
4.7
276 km NE of Saipan, Northern Mariana Islands
20:11 UTC · 32.2 km deep
4.7
130 km S of Kokopo, Papua New Guinea
17:12 UTC · 49.8 km deep
4.7
52 km SW of Hihifo, Tonga
15:19 UTC · 119.1 km deep
4.7
Nicobar Islands, India region
14:21 UTC · 10.0 km deep
4.7
162 km ESE of Kimbe, Papua New Guinea
14:10 UTC · 10.0 km deep
Earthquake Map — May 21, 2025
All Earthquakes — May 21, 2025
Showing 30 of 73 (filtered from 193)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-05-21 2025-05-21 23:58:17 UTC | 3.1md | 88 km NW of San Antonio, Puerto Rico 19.070°, -67.678° | 19.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 88 km NW of San Antonio, Puerto Rico with origin time 23:58 UTC on May 21, 2025. It arrived roughly 1 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 23:16:50 UTC | 4.2mb | 20 km W of Qiushan, China 34.355°, 104.672° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 20 km W of Qiushan, China on May 21, 2025, with origin time 23:16 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 22:47:21 UTC | 3.7md | 93 km NE of Punta Cana, Dominican Republic 19.131°, -67.728° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.7 earthquake was recorded 93 km NE of Punta Cana, Dominican Republic on May 21, 2025 at 22:47 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 22:45:05 UTC | 2.7ml | 22 km SSE of Wright, Wyoming 43.564°, -105.397° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 22 km SSE of Wright, Wyoming on May 21, 2025, with origin time 22:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 3 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 22:33:54 UTC | 4.3mb | 60 km NW of Abra Pampa, Argentina -22.377°, -66.153° | 262.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 60 km NW of Abra Pampa, Argentina on May 21, 2025 at 22:33 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 22:27:20 UTC | 2.2ml | 27 km SW of Garden City, Texas 31.704°, -101.703° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2025 at 22:27 UTC, a magnitude 2.2 earthquake struck 27 km SW of Garden City, Texas. It arrived roughly 7 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. | ||||||||
2025-05-21 2025-05-21 22:17:07 UTC | 2.3ml | 26 km SW of Garden City, Texas 31.717°, -101.703° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 26 km SW of Garden City, Texas on May 21, 2025 at 22:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 22:16:24 UTC | 2.6ml | 13 km NNE of Amarillo, Texas 35.327°, -101.749° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2025 brought a magnitude 2.6 earthquake 13 km NNE of Amarillo, Texas, logged at 22:16 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 22:07:30 UTC | 2.4ml | 124 km S of Lowell Point, Alaska 58.956°, -149.398° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 124 km S of Lowell Point, Alaska at 22:07 UTC on May 21, 2025. 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. | ||||||||
2025-05-21 2025-05-21 21:42:48 UTC | 3.3md | 86 km NNW of San Antonio, Puerto Rico 19.168°, -67.513° | 48.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 86 km NNW of San Antonio, Puerto Rico on May 21, 2025, with origin time 21:42 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 21:17:56 UTC | 2.5md | 2 km E of Bishop, CA 37.373°, -118.371° | 6.6 km | 1 | - | - | ✓ Reviewed | USGS → |
At 21:17 UTC on May 21, 2025, a magnitude 2.5 tremor occurred 2 km E of Bishop, CA. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 21:06:05 UTC | 3.5md | 98 km N of Charlotte Amalie, U.S. Virgin Islands 19.230°, -64.829° | 37.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2025, worldwide seismic activity registered a magnitude 3.5 earthquake 98 km N of Charlotte Amalie, U.S. Virgin Islands at 21:06 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 20:54:42 UTC | 2.1ml | 24 km SW of Jal, New Mexico 31.955°, -103.368° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
At 20:54 UTC on May 21, 2025, a magnitude 2.1 tremor occurred 24 km SW of Jal, New Mexico. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 20:32:50 UTC | 2.1ml | 23 km SW of Jal, New Mexico 31.955°, -103.365° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 23 km SW of Jal, New Mexico at 20:32 UTC on May 21, 2025. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 20:11:11 UTC | 4.7mb | 276 km NE of Saipan, Northern Mariana Islands 17.245°, 147.265° | 32.2 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2025, worldwide seismic activity registered a magnitude 4.7 earthquake 276 km NE of Saipan, Northern Mariana Islands at 20:11 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 19:38:35 UTC | 3.2ml | 27 km SSE of Wright, Wyoming 43.543°, -105.308° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2025 brought a magnitude 3.2 earthquake 27 km SSE of Wright, Wyoming, logged at 19:38 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 19:36:11 UTC | 5.2mb | South Sandwich Islands region -56.761°, -25.667° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2025 at 19:36 UTC, a magnitude 5.2 earthquake struck in the South Sandwich Islands region. It is the largest earthquake currently listed for worldwide seismic activity on May 21, 2025. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 19:18:03 UTC | 3.2ml | 94 km SE of Sand Point, Alaska 54.740°, -159.438° | 30.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2025 at 19:18 UTC, a magnitude 3.2 earthquake struck 94 km SE of Sand Point, Alaska. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 18:00:31 UTC | 2.5ml | 14 km NW of Big Lake, Alaska 61.620°, -150.136° | 23.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 14 km NW of Big Lake, Alaska on May 21, 2025 at 18:00 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 17:58:19 UTC | 4.6mb | South Indian Ocean -37.425°, 51.561° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2025 brought a magnitude 4.6 earthquake near South Indian Ocean, logged at 17:58 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 17:50:49 UTC | 2.1ml | 62 km N of Chickaloon, Alaska 62.353°, -148.651° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 62 km N of Chickaloon, Alaska on May 21, 2025, with origin time 17:50 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 17:49:35 UTC | 2.1ml | 15 km E of Borrego Springs, CA 33.274°, -116.212° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 15 km E of Borrego Springs, CA came in on May 21, 2025 at 17:49 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 17:12:34 UTC | 4.7mb | 130 km S of Kokopo, Papua New Guinea -5.510°, 152.117° | 49.8 km | - | - | - | ✓ Reviewed | USGS → |
At 17:12 UTC on May 21, 2025, a magnitude 4.7 tremor occurred 130 km S of Kokopo, Papua New Guinea. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 17:04:05 UTC | 4.3mb | 103 km SE of Padangsidempuan, Indonesia 0.822°, 100.019° | 195.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 103 km SE of Padangsidempuan, Indonesia with origin time 17:04 UTC on May 21, 2025. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 16:50:21 UTC | 4.4mb | 6 km SE of Wenjiang, China 28.345°, 104.609° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 6 km SE of Wenjiang, China on May 21, 2025, with origin time 16:50 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 16:25:20 UTC | 2.1md | 1 km WSW of Liborio Negron Torres, Puerto Rico 18.038°, -66.954° | 14.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 21, 2025, worldwide seismic activity registered a magnitude 2.1 earthquake 1 km WSW of Liborio Negron Torres, Puerto Rico at 16:25 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 15:28:38 UTC | 2.3ml | 55 km NW of Yakutat, Alaska 59.959°, -140.276° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
May 21, 2025 brought a magnitude 2.3 earthquake 55 km NW of Yakutat, Alaska, logged at 15:28 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 15:19:24 UTC | 4.7mb | 52 km SW of Hihifo, Tonga -16.323°, -174.111° | 119.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 52 km SW of Hihifo, Tonga at 15:19 UTC on May 21, 2025. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 15:17:50 UTC | 2.7ml | 27 km SW of Garden City, Texas 31.707°, -101.704° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 27 km SW of Garden City, Texas came in on May 21, 2025 at 15:17 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-21 2025-05-21 14:40:01 UTC | 3.3ml | 74 km NW of Huslia, Alaska 66.224°, -157.413° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 74 km NW of Huslia, Alaska came in on May 21, 2025 at 14:40 UTC. The event was offshore. See the M3.3 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, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.