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 activity
compared 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

Earthquake Map — June 30, 2023

Map showing earthquake epicenter at 20.00°, 0.00°

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 MMIAlertStatusDetails
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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 km10III-✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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.