Earthquakes on May 28, 2021
303
EARTHQUAKES on May 28, 2021
24-hour UTC period · USGS data
35 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
36
M3.0–3.9
9
M2.0–2.9
76
M1.0–1.9
178
Activity Summary
303
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
71 km SSW of Port-Vila, Vanuatu
13:41 UTC · 35.0 km deep
Felt by 1
5.2
133 km ENE of Hasaki, Japan
23:21 UTC · 10.0 km deep
Felt by 8
5.0
25 km ESE of Farkh?r, Afghanistan
07:24 UTC · 209.8 km deep
5.0
163 km NW of Sola, Vanuatu
04:39 UTC · 107.8 km deep
4.9
25 km NNE of Bandar-e Gen?veh, Iran
20:35 UTC · 10.0 km deep
4.8
152 km W of Basco, Philippines
14:44 UTC · 18.1 km deep
4.8
64 km NW of Yonakuni, Japan
13:06 UTC · 10.0 km deep
4.8
18 km NW of Khuzdar, Pakistan
03:58 UTC · 10.0 km deep
Felt by 1
Earthquake Map — May 28, 2021
All Earthquakes — May 28, 2021
Showing 30 of 125 (filtered from 303)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-05-28 2021-05-28 23:59:11 UTC | 4.1mb | 50 km E of Yilan, Taiwan 24.764°, 122.254° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 50 km E of Yilan, Taiwan on May 28, 2021, with origin time 23:59 UTC. It arrived roughly 11 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 23:46:23 UTC | 3.5md | 50 km S of Boca de Yuma, Dominican Republic 17.926°, -68.553° | 58.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 50 km S of Boca de Yuma, Dominican Republic on May 28, 2021 at 23:46 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 23:40:57 UTC | 4.6mb | 37 km E of Los Andes, Chile -32.817°, -70.194° | 108.3 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 37 km E of Los Andes, Chile on May 28, 2021 at 23:40 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 23:34:29 UTC | 4.7mb | 224 km ENE of Levuka, Fiji -17.610°, -178.615° | 547.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place 224 km ENE of Levuka, Fiji on May 28, 2021 at 23:34 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 23:21:04 UTC | 5.2mww | 133 km ENE of Hasaki, Japan 36.319°, 142.121° | 10.0 km | 8 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded 133 km ENE of Hasaki, Japan on May 28, 2021 at 23:21 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 23:07:51 UTC | 4.3mb | 138 km E of Madang, Papua New Guinea -5.310°, 147.034° | 176.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 138 km E of Madang, Papua New Guinea on May 28, 2021 at 23:07 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 23:04:52 UTC | 4.3mb | 55 km NW of Yonakuni, Japan 24.849°, 122.651° | 18.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 55 km NW of Yonakuni, Japan with origin time 23:04 UTC on May 28, 2021. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 10 hours earlier. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 22:48:40 UTC | 2.2ml | 3 km ENE of P?hala, Hawaii 19.212°, -155.450° | 33.2 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 3 km ENE of P?hala, Hawaii at 22:48 UTC on May 28, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 13 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 22:17:30 UTC | 4.5mb | 198 km SW of Labuan, Indonesia -7.750°, 104.670° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake 198 km SW of Labuan, Indonesia at 22:17 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 22:01:16 UTC | 2.0ml | 44 km NW of Toyah, Texas 31.615°, -104.105° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2021 at 22:01 UTC, a magnitude 2.0 earthquake struck 44 km NW of Toyah, Texas. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 21:39:39 UTC | 2.3md | 10km SE of Dollar Point, CA 39.121°, -120.029° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2021 brought a magnitude 2.3 earthquake 10km SE of Dollar Point, CA, logged at 21:39 UTC. It arrived roughly 6 hours after a larger magnitude 4.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 21:37:36 UTC | 4.3mb | 118 km NE of Savannah Bight, Honduras 17.208°, -85.060° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 28, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 118 km NE of Savannah Bight, Honduras at 21:37 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 21:21:22 UTC | 2.2ml | 14 km S of Fern Forest, Hawaii 19.335°, -155.115° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 14 km S of Fern Forest, Hawaii came in on May 28, 2021 at 21:21 UTC. It arrived roughly 4 hours after a larger magnitude 2.6 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. | ||||||||
2021-05-28 2021-05-28 21:10:49 UTC | 2.4md | 9km SE of Dollar Point, CA 39.124°, -120.031° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 9km SE of Dollar Point, CA on May 28, 2021, with origin time 21:10 UTC. It arrived roughly 6 hours after a larger magnitude 4.2 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. | ||||||||
2021-05-28 2021-05-28 21:10:22 UTC | 2.3md | 9km SE of Dollar Point, CA 39.123°, -120.033° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
At 21:10 UTC on May 28, 2021, a magnitude 2.3 tremor occurred 9km SE of Dollar Point, CA. Coming 6 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:59:35 UTC | 4.1mb | 227 km ENE of Lospalos, Timor Leste -7.583°, 128.837° | 110.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 227 km ENE of Lospalos, Timor Leste came in on May 28, 2021 at 20:59 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:35:49 UTC | 4.9mb | 25 km NNE of Bandar-e Gen?veh, Iran 29.795°, 50.608° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:35 UTC on May 28, 2021, a magnitude 4.9 tremor occurred 25 km NNE of Bandar-e Gen?veh, Iran. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:28:55 UTC | 2.2ml | 55 km S of Whites City, New Mexico 31.674°, -104.385° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 55 km S of Whites City, New Mexico on May 28, 2021 at 20:28 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:22:04 UTC | 2.3ml | 7 km E of P?hala, Hawaii 19.205°, -155.409° | 32.9 km | - | - | - | Auto | USGS → |
May 28, 2021 brought a magnitude 2.3 earthquake 7 km E of P?hala, Hawaii, logged at 20:22 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:21:22 UTC | 4.2mb | 241 km S of Sinabang, Indonesia 0.331°, 96.749° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 241 km S of Sinabang, Indonesia on May 28, 2021 at 20:21 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:14:35 UTC | 4.2mb | 101 km NNE of Calama, Chile -21.670°, -68.417° | 149.1 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2021 brought a magnitude 4.2 earthquake 101 km NNE of Calama, Chile, logged at 20:14 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:10:24 UTC | 4.5mb | 68 km NW of Yonakuni, Japan 24.946°, 122.568° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:10 UTC on May 28, 2021, a magnitude 4.5 tremor occurred 68 km NW of Yonakuni, Japan. Coming 7 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 20:06:23 UTC | 4.1mb | 58 km NW of Yonakuni, Japan 24.844°, 122.595° | 34.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 58 km NW of Yonakuni, Japan on May 28, 2021 at 20:06 UTC. Coming 7 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 19:59:42 UTC | 3.3ml | off the coast of Oregon 43.605°, -128.137° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:59 UTC on May 28, 2021, a magnitude 3.3 tremor occurred near off the coast of Oregon. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 19:54:46 UTC | 4.0mb | 58 km NW of Yonakuni, Japan 24.865°, 122.622° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 28, 2021 brought a magnitude 4.0 earthquake 58 km NW of Yonakuni, Japan, logged at 19:54 UTC. It arrived roughly 7 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 19:43:15 UTC | 2.1ml | 6 km E of P?hala, Hawaii 19.208°, -155.414° | 33.5 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 6 km E of P?hala, Hawaii on May 28, 2021 at 19:43 UTC. Coming 10 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 19:39:10 UTC | 2.1md | 8 km ENE of P?hala, Hawaii 19.242°, -155.406° | 31.7 km | - | - | - | Auto | USGS → |
On May 28, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 8 km ENE of P?hala, Hawaii at 19:39 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 10 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 19:36:42 UTC | 2.1ml | 8 km ENE of P?hala, Hawaii 19.241°, -155.404° | 32.9 km | - | - | - | Auto | USGS → |
At 19:36 UTC on May 28, 2021, a magnitude 2.1 tremor occurred 8 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 10 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-28 2021-05-28 18:58:06 UTC | 2.1ml | 11km NE of Coso Junction, CA 36.111°, -117.855° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 11km NE of Coso Junction, CA with origin time 18:58 UTC on May 28, 2021. 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. | ||||||||
2021-05-28 2021-05-28 18:57:16 UTC | 2.3ml | 16 km WNW of Stanley, Idaho 44.289°, -115.114° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 16 km WNW of Stanley, Idaho on May 28, 2021 at 18:57 UTC. See the M2.3 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 28, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.