Earthquakes on June 30, 2023
287
EARTHQUAKES on June 30, 2023
24-hour UTC period · USGS data
76 km deep · 77 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
30
M3.0–3.9
20
M2.0–2.9
47
M1.0–1.9
187
Activity Summary
287
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
82 km SSW of Bambanglipuro, Indonesia
12:57 UTC · 76.4 km deep
Felt by 77
5.0
South Indian Ocean
23:37 UTC · 10.0 km deep
5.0
61 km SE of Hihifo, Tonga
18:58 UTC · 55.3 km deep
4.9
55 km NW of Luwuk, Indonesia
10:37 UTC · 10.0 km deep
Felt by 2
4.7
184 km N of Tobelo, Indonesia
10:29 UTC · 102.9 km deep
4.7
Banda Sea
02:00 UTC · 178.3 km deep
4.7
21 km SE of Vistahermosa, Colombia
01:52 UTC · 10.0 km deep
Felt by 12
4.6
northern Mid-Atlantic Ridge
18:46 UTC · 10.0 km deep
Earthquake Map — June 30, 2023

All Earthquakes — June 30, 2023
Showing 30 of 100 (filtered from 287)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-06-30 2023-06-30 23:59:11 UTC | 2.8ml | 90 km ESE of Yakutat, Alaska 59.234°, -138.255° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 90 km ESE of Yakutat, Alaska on June 30, 2023 at 23:59 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 23:48:35 UTC | 4.1mb | Fiji region -20.835°, -179.131° | 627.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake in the Fiji region at 23:48 UTC on June 30, 2023. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 23:37:52 UTC | 5.0mb | South Indian Ocean -34.058°, 58.137° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded near South Indian Ocean on June 30, 2023 at 23:37 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 23:00:19 UTC | 3.8md | 142 km N of Suárez, Puerto Rico 19.710°, -65.726° | 39.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.8 earthquake 142 km N of Suárez, Puerto Rico came in on June 30, 2023 at 23:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 5 hours earlier. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 22:59:30 UTC | 2.2md | 11 km SSE of Pāhala, Hawaii 19.106°, -155.439° | 40.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 11 km SSE of Pāhala, Hawaii on June 30, 2023, with origin time 22:59 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 22:37:30 UTC | 2.2ml | 56 km S of Whites City, New Mexico 31.670°, -104.359° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 56 km S of Whites City, New Mexico came in on June 30, 2023 at 22:37 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. | ||||||||
2023-06-30 2023-06-30 22:19:06 UTC | 2.3ml | 55 km S of Whites City, New Mexico 31.672°, -104.360° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 55 km S of Whites City, New Mexico at 22:19 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 22:01:10 UTC | 2.0ml | 82 km WNW of Petersville, Alaska 62.787°, -152.243° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 82 km WNW of Petersville, Alaska with origin time 22:01 UTC on June 30, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 21:41:44 UTC | 2.5ml | 144 km SSE of False Pass, Alaska 53.597°, -162.854° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 144 km SSE of False Pass, Alaska with origin time 21:41 UTC on June 30, 2023. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 21:21:02 UTC | 3.2ml | 61 km SSW of Adak, Alaska 51.374°, -177.019° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 61 km SSW of Adak, Alaska on June 30, 2023 at 21:21 UTC. It arrived roughly 6 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 21:16:36 UTC | 2.4ml | 26km S of Ocotillo, CA 32.506°, -115.952° | 14.4 km | 1 | - | - | ✓ Reviewed | USGS → |
June 30, 2023 brought a magnitude 2.4 earthquake 26km S of Ocotillo, CA, logged at 21:16 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 21:04:10 UTC | 3.3md | 7 km NNW of Brenas, Puerto Rico 18.530°, -66.357° | 77.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 7 km NNW of Brenas, Puerto Rico came in on June 30, 2023 at 21:04 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 20:59:41 UTC | 3.2ml | 2km NNE of Prattville, CA 40.223°, -121.150° | 5.5 km | 10 | III | - | ✓ Reviewed | USGS → |
On June 30, 2023 at 20:59 UTC, a magnitude 3.2 earthquake struck 2km NNE of Prattville, CA. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 20:57:24 UTC | 2.6ml | 85 km SE of Akutan, Alaska 53.643°, -164.783° | 30.2 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2023 at 20:57 UTC, a magnitude 2.6 earthquake struck 85 km SE of Akutan, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 20:50:34 UTC | 4.1mb | south of the Fiji Islands -25.094°, 179.815° | 492.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected south of the Fiji Islands on June 30, 2023, with origin time 20:50 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 20:08:50 UTC | 3.0ml | 14km W of Delta, B.C., MX 32.357°, -115.346° | 14.6 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 14km W of Delta, B.C., MX with origin time 20:08 UTC on June 30, 2023. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 19:45:44 UTC | 4.1mb | 113 km E of Pilar, Philippines 9.963°, 127.132° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 113 km E of Pilar, Philippines came in on June 30, 2023 at 19:45 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 19:34:10 UTC | 3.8md | Puerto Rico region 19.663°, -65.825° | 90.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.8 earthquake in the Puerto Rico region at 19:34 UTC on June 30, 2023. Coming 1 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 19:04:21 UTC | 4.1mb | 150 km SSE of Alo, Wallis and Futuna -15.623°, -177.753° | 443.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 150 km SSE of Alo, Wallis and Futuna on June 30, 2023 at 19:04 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 19:00:58 UTC | 2.5md | 3 km WSW of La Parguera, Puerto Rico 17.963°, -67.075° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 3 km WSW of La Parguera, Puerto Rico came in on June 30, 2023 at 19:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 1 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:58:56 UTC | 5.0mb | 61 km SE of Hihifo, Tonga -16.343°, -173.385° | 55.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake 61 km SE of Hihifo, Tonga with origin time 18:58 UTC on June 30, 2023. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:47:22 UTC | 2.1md | 6km ENE of Bonadelle Ranchos-Madera Ranchos, CA 37.000°, -119.808° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 6km ENE of Bonadelle Ranchos-Madera Ranchos, CA at 18:47 UTC on June 30, 2023. 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. | ||||||||
2023-06-30 2023-06-30 18:46:23 UTC | 4.6mb | northern Mid-Atlantic Ridge 45.081°, -27.962° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake near northern Mid-Atlantic Ridge came in on June 30, 2023 at 18:46 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:45:32 UTC | 3.5ml | Rat Islands, Aleutian Islands, Alaska 51.896°, 177.590° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2023 at 18:45 UTC, a magnitude 3.5 earthquake struck near Rat Islands, Aleutian Islands, Alaska. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:16:55 UTC | 2.8ml | 87 km WSW of Covenant Life, Alaska 59.008°, -137.331° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
June 30, 2023 brought a magnitude 2.8 earthquake 87 km WSW of Covenant Life, Alaska, logged at 18:16 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:15:20 UTC | 4.0md | 132 km N of Suárez, Puerto Rico 19.624°, -65.722° | 56.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2023, worldwide seismic activity registered a magnitude 4.0 earthquake 132 km N of Suárez, Puerto Rico at 18:15 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:09:12 UTC | 2.4ml | 206 km SE of Chiniak, Alaska 56.385°, -149.724° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2023 at 18:09 UTC, a magnitude 2.4 earthquake struck 206 km SE of Chiniak, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 18:03:07 UTC | 3.9md | 135 km N of Suárez, Puerto Rico 19.650°, -65.753° | 45.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:03 UTC on June 30, 2023, a magnitude 3.9 tremor occurred 135 km N of Suárez, Puerto Rico. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 17:57:18 UTC | 4.6mb | 40 km SSE of Tarama, Japan 24.356°, 124.912° | 41.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 40 km SSE of Tarama, Japan on June 30, 2023 at 17:57 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-30 2023-06-30 17:53:32 UTC | 2.6ml | 82 km WSW of Karluk, Alaska 57.424°, -155.802° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 82 km WSW of Karluk, Alaska on June 30, 2023 at 17:53 UTC. See the M2.6 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 June 30, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.