Earthquakes on July 20, 2026
295
EARTHQUAKES on July 20, 2026
24-hour UTC period · USGS data
LARGEST: M5.6 — northern Mid-Atlantic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
10
M4.0–4.9
38
M3.0–3.9
20
M2.0–2.9
83
M1.0–1.9
144
Activity Summary
295
Total earthquakes
~250
Daily average
Normal
Activity level
10
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.6
northern Mid-Atlantic Ridge
21:28 UTC · 10.0 km deep
5.6
208 km SW of Port McNeill, Canada
06:41 UTC · 10.0 km deep
Felt by 23
5.5
Pacific-Antarctic Ridge
05:38 UTC · 10.0 km deep
5.2
22 km NNW of Scarborough, Trinidad and Tobago
09:45 UTC · 83.5 km deep
Felt by 18
5.2
28 km S of Javānrūd, Iran
03:48 UTC · 10.0 km deep
Felt by 4
5.0
143 km SSW of Gataivai, Samoa
23:37 UTC · 29.8 km deep
5.0
northern Mid-Atlantic Ridge
21:30 UTC · 10.0 km deep
5.0
northern Mid-Atlantic Ridge
21:29 UTC · 10.0 km deep
Earthquake Map — July 20, 2026

All Earthquakes — July 20, 2026
Showing 30 of 151 (filtered from 295)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-07-20 2026-07-20 23:49:55 UTC | 2.2ml | 100 km ESE of Adak, Alaska 51.495°, -175.319° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 100 km ESE of Adak, Alaska at 23:49 UTC on July 20, 2026. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 1 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:39:15 UTC | 3.5ml | 95 km ESE of Adak, Alaska 51.630°, -175.310° | 35.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 95 km ESE of Adak, Alaska on July 20, 2026 at 23:39 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:37:59 UTC | 5.0mb | 143 km SSW of Gataivai, Samoa -14.992°, -172.846° | 29.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake 143 km SSW of Gataivai, Samoa at 23:37 UTC on July 20, 2026. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:33:48 UTC | 2.0md | 14 km ESE of Pāhala, Hawaii 19.131°, -155.364° | 28.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 14 km ESE of Pāhala, Hawaii on July 20, 2026, with origin time 23:33 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:18:40 UTC | 2.0ml | 44 km WSW of Tatitlek, Alaska 60.706°, -147.424° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 44 km WSW of Tatitlek, Alaska on July 20, 2026 at 23:18 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:18:22 UTC | 4.0mb | 115 km NE of Esashi, Japan 45.600°, 143.718° | 301.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 115 km NE of Esashi, Japan on July 20, 2026, with origin time 23:18 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:03:49 UTC | 2.4ml | 89 km SE of Ugashik, Alaska 56.866°, -156.530° | 68.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 89 km SE of Ugashik, Alaska at 23:03 UTC on July 20, 2026. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:02:15 UTC | 4.1mb | 104 km SW of Puerto Madero, Mexico 14.110°, -93.158° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026, worldwide seismic activity registered a magnitude 4.1 earthquake 104 km SW of Puerto Madero, Mexico at 23:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 2 hours earlier. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 22:38:34 UTC | 2.1md | 2 km W of Garrochales, Puerto Rico 18.451°, -66.587° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 2 km W of Garrochales, Puerto Rico at 22:38 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 22:35:26 UTC | 4.8mb | southwest of Africa -52.735°, 12.688° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026, worldwide seismic activity registered a magnitude 4.8 earthquake southwest of Africa at 22:35 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 22:05:25 UTC | 4.2mb | 150 km NNW of Masohi, Indonesia -2.064°, 128.402° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 150 km NNW of Masohi, Indonesia came in on July 20, 2026 at 22:05 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:48:28 UTC | 4.6mb | northern Mid-Atlantic Ridge 14.608°, -45.121° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near northern Mid-Atlantic Ridge on July 20, 2026 at 21:48 UTC. It arrived roughly 1 hours after a larger magnitude 5.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:46:52 UTC | 2.1ml | 85 km W of Salamatof, Alaska 60.615°, -152.886° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 85 km W of Salamatof, Alaska on July 20, 2026, with origin time 21:46 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:33:55 UTC | 2.2md | 10 km WNW of Cobb, CA 38.865°, -122.829° | 1.4 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 10 km WNW of Cobb, CA on July 20, 2026, with origin time 21:33 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:30:49 UTC | 2.3ml | 57 km SW of Tatitlek, Alaska 60.506°, -147.429° | 20.3 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 57 km SW of Tatitlek, Alaska with origin time 21:30 UTC on July 20, 2026. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:30:48 UTC | 5.0mb | northern Mid-Atlantic Ridge 14.722°, -45.203° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected near northern Mid-Atlantic Ridge on July 20, 2026, with origin time 21:30 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:29:34 UTC | 5.0mb | northern Mid-Atlantic Ridge 14.698°, -45.048° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.0 earthquake near northern Mid-Atlantic Ridge came in on July 20, 2026 at 21:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.6 earthquake that occurred about 1 hours earlier. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:28:29 UTC | 5.6mww | northern Mid-Atlantic Ridge 14.547°, -45.004° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On July 20, 2026 at 21:28 UTC, a magnitude 5.6 earthquake struck near northern Mid-Atlantic 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 July 20, 2026. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:26:49 UTC | 4.4mb | Banda Sea -6.977°, 130.051° | 92.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Banda Sea came in on July 20, 2026 at 21:26 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:20:49 UTC | 4.2mb | 83 km SW of Puerto Madero, Mexico 14.177°, -92.952° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 83 km SW of Puerto Madero, Mexico on July 20, 2026 at 21:20 UTC. Coming 10 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:17:19 UTC | 2.1ml | 35 km WSW of Mentone, Texas 31.604°, -103.953° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 35 km WSW of Mentone, Texas came in on July 20, 2026 at 21:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 12 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:11:31 UTC | 4.9mb | 70 km W of Pangai, Tonga -19.710°, -175.022° | 74.2 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026 at 21:11 UTC, a magnitude 4.9 earthquake struck 70 km W of Pangai, Tonga. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:07:37 UTC | 2.1ml | 120 km WSW of Adak, Alaska 51.325°, -178.129° | 20.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 120 km WSW of Adak, Alaska on July 20, 2026 at 21:07 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:55:38 UTC | 4.3mb | 286 km W of Tual, Indonesia -5.957°, 130.183° | 140.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 286 km W of Tual, Indonesia with origin time 20:55 UTC on July 20, 2026. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:53:42 UTC | 4.5mb | Kuril Islands 47.110°, 152.776° | 67.9 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake near Kuril Islands at 20:53 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:53:28 UTC | 4.3mb | 73 km WSW of Puerto Madero, Mexico 14.373°, -93.004° | 32.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 73 km WSW of Puerto Madero, Mexico at 20:53 UTC. It arrived roughly 1 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:44:18 UTC | 5.0mb | south of the Kermadec Islands -32.773°, -178.121° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place south of the Kermadec Islands on July 20, 2026 at 20:44 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:41:52 UTC | 4.6mb | 89 km WSW of Puerto Madero, Mexico 14.283°, -93.117° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 20, 2026 brought a magnitude 4.6 earthquake 89 km WSW of Puerto Madero, Mexico, logged at 20:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 19 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:35:10 UTC | 2.8ml | 144 km SE of Akutan, Alaska 53.284°, -164.113° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 144 km SE of Akutan, Alaska with origin time 20:35 UTC on July 20, 2026. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 20:34:20 UTC | 2.1ml | 114 km N of Yakutat, Alaska 60.559°, -140.054° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
July 20, 2026 brought a magnitude 2.1 earthquake 114 km N of Yakutat, Alaska, logged at 20:34 UTC. The event was offshore. See the M2.1 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 July 20, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.