Earthquakes on June 20, 2023
249
EARTHQUAKES on June 20, 2023
24-hour UTC period · USGS data
LARGEST: M5.7 — 211 km ENE of Levuka, Fiji
553 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
32
M3.0–3.9
15
M2.0–2.9
56
M1.0–1.9
139
Activity Summary
249
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
211 km ENE of Levuka, Fiji
19:59 UTC · 553.4 km deep
5.5
160 km NW of Tuapejat, Indonesia
08:39 UTC · 20.0 km deep
Felt by 1
5.3
central Mid-Atlantic Ridge
17:02 UTC · 10.0 km deep
5.2
286 km SSW of ‘Ohonua, Tonga
15:41 UTC · 22.1 km deep
5.1
283 km SSW of ‘Ohonua, Tonga
03:45 UTC · 10.0 km deep
Felt by 1
5.0
8 km E of Shingū, Japan
23:33 UTC · 410.4 km deep
5.0
Tonga region
17:07 UTC · 10.0 km deep
4.9
southeast of the Loyalty Islands
23:02 UTC · 10.0 km deep
Earthquake Map — June 20, 2023
All Earthquakes — June 20, 2023
Showing 30 of 110 (filtered from 249)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-06-20 2023-06-20 23:53:18 UTC | 2.4ml | 20 km NW of Challis, Idaho 44.654°, -114.372° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 20 km NW of Challis, Idaho on June 20, 2023 at 23:53 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:47:46 UTC | 2.5ml | 57 km W of Happy Valley, Alaska 60.004°, -152.750° | 105.9 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 57 km W of Happy Valley, Alaska on June 20, 2023 at 23:47 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:42:09 UTC | 2.6ml | 117 km SSE of Chignik, Alaska 55.374°, -157.489° | 0.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 117 km SSE of Chignik, Alaska on June 20, 2023, with origin time 23:42 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:33:47 UTC | 5.0mww | 8 km E of Shingū, Japan 33.728°, 136.071° | 410.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake 8 km E of Shingū, Japan at 23:33 UTC on June 20, 2023. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:21:41 UTC | 2.4ml | 9 km E of Pāhala, Hawaii 19.197°, -155.386° | 31.9 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 9 km E of Pāhala, Hawaii came in on June 20, 2023 at 23:21 UTC. Coming 23 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:09:52 UTC | 2.1ml | 14 km SE of Funny River, Alaska 60.393°, -150.607° | 38.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 14 km SE of Funny River, Alaska on June 20, 2023, with origin time 23:09 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:08:28 UTC | 2.6md | 4km WNW of Mammoth Lakes, CA 37.649°, -119.021° | -1.3 km | 18 | - | - | ✓ Reviewed | USGS → |
On June 20, 2023 at 23:08 UTC, a magnitude 2.6 earthquake struck 4km WNW of Mammoth Lakes, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:07:14 UTC | 4.5mb | northern Mid-Atlantic Ridge 29.879°, -42.792° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake near northern Mid-Atlantic Ridge at 23:07 UTC on June 20, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 23:02:01 UTC | 4.9mb | southeast of the Loyalty Islands -23.297°, 170.794° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake southeast of the Loyalty Islands came in on June 20, 2023 at 23:02 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 22:54:07 UTC | 2.2ml | 13 km WSW of Salamatof, Alaska 60.586°, -151.560° | 69.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 13 km WSW of Salamatof, Alaska on June 20, 2023 at 22:54 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 22:52:19 UTC | 3.3ml | 73 km NNE of Petersville, Alaska 63.142°, -150.478° | 107.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 73 km NNE of Petersville, Alaska came in on June 20, 2023 at 22:52 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 22:29:26 UTC | 4.1mb | 164 km W of Abepura, Indonesia -2.523°, 139.151° | 24.9 km | - | - | - | ✓ Reviewed | USGS → |
At 22:29 UTC on June 20, 2023, a magnitude 4.1 tremor occurred 164 km W of Abepura, Indonesia. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 22:20:21 UTC | 4.3mb | 55 km SE of Londres, Argentina -27.999°, -66.670° | 185.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 55 km SE of Londres, Argentina on June 20, 2023, with origin time 22:20 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 22:05:32 UTC | 2.3md | 11 km S of Guánica, Puerto Rico 17.872°, -66.890° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2023 brought a magnitude 2.3 earthquake 11 km S of Guánica, Puerto Rico, logged at 22:05 UTC. Coming 2 hours after a magnitude 2.9 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. | ||||||||
2023-06-20 2023-06-20 21:55:52 UTC | 2.8ml | 42 km ENE of Pedro Bay, Alaska 59.943°, -153.417° | 131.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 42 km ENE of Pedro Bay, Alaska on June 20, 2023, with origin time 21:55 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 21:26:42 UTC | 2.5md | 1 km NNW of Indios, Puerto Rico 18.005°, -66.822° | 15.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 1 km NNW of Indios, Puerto Rico with origin time 21:26 UTC on June 20, 2023. It arrived roughly 2 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 21:24:15 UTC | 2.5ml | 14 km SSW of Smiley, Texas 29.145°, -97.698° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2023, worldwide seismic activity registered a magnitude 2.5 earthquake 14 km SSW of Smiley, Texas at 21:24 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 21:22:00 UTC | 4.3mb | 30 km SE of Kamaishi, Japan 39.124°, 142.161° | 50.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 30 km SE of Kamaishi, Japan came in on June 20, 2023 at 21:22 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 20:52:08 UTC | 2.7ml | 43 km WNW of Toyah, Texas 31.525°, -104.174° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 43 km WNW of Toyah, Texas on June 20, 2023 at 20:52 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 20:50:46 UTC | 4.6mb | southeast of Easter Island -37.110°, -96.094° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2023 at 20:50 UTC, a magnitude 4.6 earthquake struck southeast of Easter Island. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 20:28:05 UTC | 4.4mb | 66 km E of La Tirana, Chile -20.438°, -69.032° | 108.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On June 20, 2023 at 20:28 UTC, a magnitude 4.4 earthquake struck 66 km E of La Tirana, Chile. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 20:12:29 UTC | 2.0ml | 9 km ENE of Pāhala, Hawaii 19.241°, -155.400° | 29.3 km | - | - | - | Auto | USGS → |
At 20:12 UTC on June 20, 2023, a magnitude 2.0 tremor occurred 9 km ENE of Pāhala, Hawaii. Coming 20 hours after a magnitude 2.8 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. | ||||||||
2023-06-20 2023-06-20 20:02:03 UTC | 2.3ml | 0 km S of Banks, Oregon 45.610°, -123.112° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 0 km S of Banks, Oregon at 20:02 UTC on June 20, 2023. 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. | ||||||||
2023-06-20 2023-06-20 19:59:16 UTC | 5.7mww | 211 km ENE of Levuka, Fiji -17.435°, -178.801° | 553.4 km | - | I | green | ✓ Reviewed | USGS → |
On June 20, 2023 at 19:59 UTC, a magnitude 5.7 earthquake struck 211 km ENE of Levuka, Fiji. 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 June 20, 2023. See the M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 19:45:02 UTC | 3.2ml | 111 km SE of Akutan, Alaska 53.338°, -164.737° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 111 km SE of Akutan, Alaska on June 20, 2023 at 19:45 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 19:43:23 UTC | 2.2ml | 30 km NW of Toyah, Texas 31.511°, -104.024° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 30 km NW of Toyah, Texas with origin time 19:43 UTC on June 20, 2023. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 19:41:55 UTC | 2.9md | Puerto Rico region 17.850°, -66.887° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:41 UTC on June 20, 2023, a magnitude 2.9 tremor occurred in the Puerto Rico region. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 19:27:56 UTC | 2.4ml | 4 km SW of Dibble, Oklahoma 35.002°, -97.661° | 10.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 4 km SW of Dibble, Oklahoma on June 20, 2023 at 19:27 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 19:23:05 UTC | 2.4md | 12 km S of Guánica, Puerto Rico 17.863°, -66.891° | 12.4 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2023 brought a magnitude 2.4 earthquake 12 km S of Guánica, Puerto Rico, logged at 19:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 14 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-06-20 2023-06-20 19:15:45 UTC | 4.2mb | 57 km N of Yichang, China 31.231°, 111.326° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2023 brought a magnitude 4.2 earthquake 57 km N of Yichang, China, logged at 19:15 UTC. The event was offshore. See the M4.2 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 20, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.