Earthquakes on June 20, 2026
252
EARTHQUAKES on June 20, 2026
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
45
M3.0–3.9
11
M2.0–2.9
60
M1.0–1.9
130
Activity Summary
252
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
156 km ESE of Petropavlovsk-Kamchatsky, Russia
03:49 UTC · 10.0 km deep
5.5
147 km NE of Georgetown, Saint Helena
06:43 UTC · 10.0 km deep
5.5
west of Macquarie Island
01:46 UTC · 10.0 km deep
5.2
8 km SE of Kastrí, Greece
09:37 UTC · 34.1 km deep
Felt by 10
5.1
South Sandwich Islands region
04:44 UTC · 60.7 km deep
5.0
90 km SSW of Pagar Alam, Indonesia
01:40 UTC · 66.3 km deep
4.9
17 km SSE of Kastrí, Greece
09:31 UTC · 28.6 km deep
4.8
north of Ascension Island
21:04 UTC · 10.0 km deep
Earthquake Map — June 20, 2026
All Earthquakes — June 20, 2026
Showing 30 of 122 (filtered from 252)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-06-20 2026-06-20 23:43:15 UTC | 4.2mb | 68 km N of Lastoursville, Gabon -0.200°, 12.763° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 68 km N of Lastoursville, Gabon on June 20, 2026 at 23:43 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:43:06 UTC | 4.2mb | 156 km E of Petropavlovsk-Kamchatsky, Russia 52.846°, 160.930° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 156 km E of Petropavlovsk-Kamchatsky, Russia with origin time 23:43 UTC on June 20, 2026. It arrived roughly 17 hours after a larger magnitude 4.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:40:16 UTC | 2.3ml | 60 km W of Tyonek, Alaska 61.014°, -152.249° | 117.5 km | 1 | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 60 km W of Tyonek, Alaska at 23:40 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:39:37 UTC | 2.5ml | 22 km NW of Stanley, Idaho 44.333°, -115.165° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 22 km NW of Stanley, Idaho at 23:39 UTC on June 20, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:19:09 UTC | 2.8ml | 20 km SW of Atka, Alaska 52.064°, -174.417° | 163.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 20 km SW of Atka, Alaska on June 20, 2026 at 23:19 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:35:17 UTC | 2.5ml | 94 km S of False Pass, Alaska 54.011°, -163.610° | 24.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 94 km S of False Pass, Alaska on June 20, 2026, with origin time 22:35 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:30:00 UTC | 3.2md | 66 km NW of Rincón, Puerto Rico 18.794°, -67.659° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 66 km NW of Rincón, Puerto Rico on June 20, 2026 at 22:30 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:24:20 UTC | 4.7mb | South Sandwich Islands region -55.691°, -29.933° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026 at 22:24 UTC, a magnitude 4.7 earthquake struck in the South Sandwich Islands region. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:23:36 UTC | 4.6mb | South Sandwich Islands region -56.184°, -30.994° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:23 UTC on June 20, 2026, a magnitude 4.6 tremor occurred in the South Sandwich Islands region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:21:44 UTC | 4.7mb | 112 km SE of Severo-Kuril’sk, Russia 50.024°, 157.332° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 112 km SE of Severo-Kuril’sk, Russia on June 20, 2026 at 22:21 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:53:36 UTC | 2.9ml | 3 km WNW of Little America, Wyoming 41.557°, -109.898° | -2.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 3 km WNW of Little America, Wyoming with origin time 21:53 UTC on June 20, 2026. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:49:06 UTC | 2.2ml | 10 km S of Princeton, Canada 49.367°, -120.484° | -1.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 10 km S of Princeton, Canada on June 20, 2026 at 21:49 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:47:39 UTC | 4.1mb | 56 km SSE of Champerico, Guatemala 13.801°, -91.773° | 41.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 56 km SSE of Champerico, Guatemala at 21:47 UTC on June 20, 2026. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:06:10 UTC | 2.5ml | 145 km S of Unalaska, Alaska 52.568°, -166.548° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 145 km S of Unalaska, Alaska came in on June 20, 2026 at 21:06 UTC. Coming 4 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:04:44 UTC | 4.8mb | north of Ascension Island -3.957°, -12.138° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake north of Ascension Island came in on June 20, 2026 at 21:04 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:04:10 UTC | 2.9ml | 16 km SSE of Stonewall Gap, Colorado 37.012°, -104.965° | 5.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 21:04 UTC on June 20, 2026, a magnitude 2.9 tremor occurred 16 km SSE of Stonewall Gap, Colorado. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 4 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:53:12 UTC | 2.2ml | 96 km SE of King Cove, Alaska 54.373°, -161.400° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 96 km SE of King Cove, Alaska with origin time 20:53 UTC on June 20, 2026. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:49:07 UTC | 2.9ml | 178 km W of Bandon, Oregon 43.287°, -126.596° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 178 km W of Bandon, Oregon at 20:49 UTC on June 20, 2026. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:23:35 UTC | 2.3ml | 8 km WSW of Okarche, Oklahoma 35.685°, -98.061° | 7.2 km | 5 | - | - | ✓ Reviewed | USGS → |
At 20:23 UTC on June 20, 2026, a magnitude 2.3 tremor occurred 8 km WSW of Okarche, Oklahoma. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:23:31 UTC | 4.4mb | central Mid-Atlantic Ridge -0.456°, -20.009° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:23 UTC on June 20, 2026, a magnitude 4.4 tremor occurred near central Mid-Atlantic Ridge. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:17:35 UTC | 2.4ml | 84 km N of Aleneva, Alaska 58.813°, -153.136° | 62.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 84 km N of Aleneva, Alaska on June 20, 2026 at 20:17 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:14:07 UTC | 2.3md | 10 km WNW of Cobb, CA 38.860°, -122.831° | 0.9 km | - | - | - | Auto | USGS → |
On June 20, 2026 at 20:14 UTC, a magnitude 2.3 earthquake struck 10 km WNW of Cobb, CA. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:02:17 UTC | 3.3ml | 12 km ESE of Wright, Wyoming 43.696°, -105.363° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 12 km ESE of Wright, Wyoming came in on June 20, 2026 at 20:02 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 19:51:31 UTC | 2.0ml | 18 km WNW of Ivanof Bay, Alaska 55.971°, -159.758° | 10.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.0 earthquake 18 km WNW of Ivanof Bay, Alaska came in on June 20, 2026 at 19:51 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 19:45:25 UTC | 4.3mb | 5 km SE of Molina, Chile -35.148°, -71.242° | 94.4 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 5 km SE of Molina, Chile at 19:45 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:54:44 UTC | 2.3ml | 51 km NNE of White Mountain, Alaska 65.125°, -163.086° | 12.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 51 km NNE of White Mountain, Alaska at 18:54 UTC on June 20, 2026. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:34:49 UTC | 2.1md | 12 km SSW of Guánica, Puerto Rico 17.873°, -66.957° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 12 km SSW of Guánica, Puerto Rico on June 20, 2026 at 18:34 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:27:54 UTC | 4.7mb | southeast of the Loyalty Islands -22.430°, 173.864° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake southeast of the Loyalty Islands with origin time 18:27 UTC on June 20, 2026. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:18:54 UTC | 2.6ml | 55 km SE of Adak, Alaska 51.549°, -176.033° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 55 km SE of Adak, Alaska at 18:18 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:15:41 UTC | 2.4ml | 14 km SW of Weston, Colorado 37.026°, -104.946° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2026 brought a magnitude 2.4 earthquake 14 km SW of Weston, Colorado, logged at 18:15 UTC. Coming 1 hours after a magnitude 3.8 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. | ||||||||
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, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.