Earthquakes on May 30, 2021
234
EARTHQUAKES on May 30, 2021
24-hour UTC period · USGS data
LARGEST: M5.9 — Pacific-Antarctic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
32
M3.0–3.9
6
M2.0–2.9
54
M1.0–1.9
135
Activity Summary
234
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
5.9
Pacific-Antarctic Ridge
20:47 UTC · 10.0 km deep
5.4
Bonin Islands, Japan region
13:33 UTC · 526.3 km deep
5.3
southern East Pacific Rise
17:14 UTC · 10.0 km deep
Felt by 2
5.3
265 km E of Levuka, Fiji
03:55 UTC · 520.8 km deep
5.1
southern East Pacific Rise
16:59 UTC · 10.0 km deep
Felt by 1
5.1
Southern Qinghai, China
04:50 UTC · 10.0 km deep
5.0
Southern Qinghai, China
06:55 UTC · 10.0 km deep
4.9
Izu Islands, Japan region
19:48 UTC · 91.3 km deep
Earthquake Map — May 30, 2021

All Earthquakes — May 30, 2021
Showing 30 of 99 (filtered from 234)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-05-30 2021-05-30 23:44:43 UTC | 2.2ml | 8 km N of Point MacKenzie, Alaska 61.435°, -149.958° | 19.4 km | - | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 8 km N of Point MacKenzie, Alaska on May 30, 2021 at 23:44 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 22:15:50 UTC | 2.4ml | Alaska Peninsula 57.694°, -155.720° | 3.9 km | - | - | - | Auto | USGS → |
May 30, 2021 brought a magnitude 2.4 earthquake near Alaska Peninsula, logged at 22:15 UTC. 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. | ||||||||
2021-05-30 2021-05-30 21:46:51 UTC | 2.1ml | 90 km ESE of Egegik, Alaska 57.947°, -155.925° | 9.8 km | - | - | - | Auto | USGS → |
On May 30, 2021 at 21:46 UTC, a magnitude 2.1 earthquake struck 90 km ESE of Egegik, Alaska. Coming 1 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 21:43:30 UTC | 2.4ml | 88 km ESE of Egegik, Alaska 57.963°, -155.949° | 7.4 km | - | - | - | Auto | USGS → |
On May 30, 2021 at 21:43 UTC, a magnitude 2.4 earthquake struck 88 km ESE of Egegik, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 21:35:26 UTC | 4.4mb | 265 km NE of Lospalos, Timor Leste -6.772°, 128.650° | 242.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 265 km NE of Lospalos, Timor Leste with origin time 21:35 UTC on May 30, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 20:51:08 UTC | 4.7mb | 23 km SE of Achanizo, Peru -15.953°, -73.813° | 58.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 23 km SE of Achanizo, Peru on May 30, 2021 at 20:51 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 20:47:51 UTC | 5.9mww | Pacific-Antarctic Ridge -56.826°, -140.710° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On May 30, 2021 at 20:47 UTC, a magnitude 5.9 earthquake struck near Pacific-Antarctic Ridge. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on May 30, 2021. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 20:47:43 UTC | 4.4mb | 61 km NW of Yonakuni, Japan 24.866°, 122.585° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 30, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 61 km NW of Yonakuni, Japan at 20:47 UTC. Coming 6 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 M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 20:47:21 UTC | 2.0ml | 10 km ENE of P?hala, Hawaii 19.248°, -155.391° | 33.0 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.0 earthquake 10 km ENE of P?hala, Hawaii with origin time 20:47 UTC on May 30, 2021. Coming 15 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 20:35:50 UTC | 4.6mb | 64 km ESE of Jiufen, Taiwan 24.859°, 122.424° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:35 UTC on May 30, 2021, a magnitude 4.6 tremor occurred 64 km ESE of Jiufen, Taiwan. Coming 5 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 19:48:46 UTC | 4.9mb | Izu Islands, Japan region 31.750°, 140.354° | 91.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake in the Izu Islands, Japan region came in on May 30, 2021 at 19:48 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 19:19:49 UTC | 4.4mb | 101 km SE of Kuril’sk, Russia 44.469°, 148.601° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:19 UTC on May 30, 2021, a magnitude 4.4 tremor occurred 101 km SE of Kuril’sk, Russia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 18:46:27 UTC | 2.2ml | 4 km ENE of P?hala, Hawaii 19.222°, -155.436° | 31.5 km | - | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 4 km ENE of P?hala, Hawaii on May 30, 2021 at 18:46 UTC. Coming 13 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 18:23:20 UTC | 2.0ml | 13 km NE of Healy, Alaska 63.955°, -148.803° | 111.5 km | - | - | - | Auto | USGS → |
On May 30, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 13 km NE of Healy, Alaska at 18:23 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 18:20:18 UTC | 3.1ml | 160 km SSE of Akhiok, Alaska 55.594°, -153.249° | 3.6 km | 1 | - | - | Auto | USGS → |
At 18:20 UTC on May 30, 2021, a magnitude 3.1 tremor occurred 160 km SSE of Akhiok, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 18:08:58 UTC | 4.6mb | southern East Pacific Rise -23.953°, -115.758° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake near southern East Pacific Rise at 18:08 UTC on May 30, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 18:07:24 UTC | 4.2mb | 45 km E of Atka, Alaska 52.206°, -173.535° | 147.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 45 km E of Atka, Alaska on May 30, 2021 at 18:07 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 17:50:34 UTC | 4.5mb | Santa Cruz Islands region -10.876°, 164.143° | 52.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place in the Santa Cruz Islands region on May 30, 2021 at 17:50 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 17:14:28 UTC | 5.3mb | southern East Pacific Rise -24.459°, -115.915° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake near southern East Pacific Rise with origin time 17:14 UTC on May 30, 2021. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:59:55 UTC | 5.1mb | southern East Pacific Rise -24.356°, -116.025° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 16:59 UTC on May 30, 2021, a magnitude 5.1 tremor occurred near southern East Pacific Rise. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:53:50 UTC | 2.0ml | 50 km NNW of Gustavus, Alaska 58.820°, -136.109° | 7.0 km | - | - | - | Auto | USGS → |
At 16:53 UTC on May 30, 2021, a magnitude 2.0 tremor occurred 50 km NNW of Gustavus, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:43:19 UTC | 2.3ml | 7km NE of Aguanga, CA 33.484°, -116.803° | 2.0 km | 5 | - | - | ✓ Reviewed | USGS → |
On May 30, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 7km NE of Aguanga, CA at 16:43 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:36:02 UTC | 4.8mb | Banda Sea -6.426°, 129.961° | 137.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place near Banda Sea on May 30, 2021 at 16:36 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:26:31 UTC | 4.4mb | 71 km NNW of Yonakuni, Japan 25.027°, 122.641° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 71 km NNW of Yonakuni, Japan at 16:26 UTC on May 30, 2021. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:11:44 UTC | 2.1ml | 8 km ENE of P?hala, Hawaii 19.243°, -155.405° | 31.2 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 8 km ENE of P?hala, Hawaii on May 30, 2021, with origin time 16:11 UTC. Coming 11 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:06:22 UTC | 2.6ml | 40 km SSE of Dell City, Texas 31.617°, -105.008° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 40 km SSE of Dell City, Texas with origin time 16:06 UTC on May 30, 2021. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:05:57 UTC | 2.9ml | 73km S of Maneadero, B.C., MX 31.062°, -116.655° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 73km S of Maneadero, B.C., MX at 16:05 UTC on May 30, 2021. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 16:04:53 UTC | 2.0md | 4 km S of P?hala, Hawaii 19.160°, -155.471° | 33.1 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 4 km S of P?hala, Hawaii on May 30, 2021 at 16:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-30 2021-05-30 15:53:32 UTC | 2.2ml | 54 km NW of Toyah, Texas 31.603°, -104.255° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 54 km NW of Toyah, Texas with origin time 15:53 UTC on May 30, 2021. It arrived roughly 15 hours after a larger magnitude 2.8 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. | ||||||||
2021-05-30 2021-05-30 15:48:18 UTC | 2.4md | 8 km SSE of Volcano, Hawaii 19.370°, -155.215° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 8 km SSE of Volcano, Hawaii came in on May 30, 2021 at 15:48 UTC. 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. | ||||||||
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 30, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.