Earthquakes on July 20, 2026
306
EARTHQUAKES on July 20, 2026
24-hour UTC period · USGS data
LARGEST: M5.6 — northern Mid-Atlantic Ridge
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
12
M4.0–4.9
47
M3.0–3.9
19
M2.0–2.9
84
M1.0–1.9
144
Activity Summary
306
Total earthquakes
~250
Daily average
Elevated
Activity level
12
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
northern Mid-Atlantic Ridge
21:28 UTC · 10.0 km deep
5.6
214 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
17 km NE of Scarborough, Trinidad and Tobago
09:45 UTC · 73.1 km deep
Felt by 18
5.2
30 km S of Javānrūd, Iran
03:48 UTC · 10.0 km deep
Felt by 4
5.1
74 km SW of Puerto Madero, Mexico
10:53 UTC · 10.0 km deep
Felt by 1
5.0
139 km SSW of Gataivai, Samoa
23:37 UTC · 10.0 km deep
5.0
northern Mid-Atlantic Ridge
21:30 UTC · 10.0 km deep
Earthquake Map — July 20, 2026
All Earthquakes — July 20, 2026
Showing 30 of 162 (filtered from 306)
(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 → |
This magnitude 2.2 event was detected 100 km ESE of Adak, Alaska on July 20, 2026, with origin time 23:49 UTC. It arrived roughly 1 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 → |
Seismographs logged a magnitude 3.5 earthquake 95 km ESE of Adak, Alaska with origin time 23:39 UTC on July 20, 2026. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:38:38 UTC | 4.3mb | south of the Kermadec Islands -32.995°, -178.701° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake south of the Kermadec Islands at 23:38 UTC on July 20, 2026. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 23:37:57 UTC | 5.0mb | 139 km SSW of Gataivai, Samoa -14.949°, -172.858° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected 139 km SSW of Gataivai, Samoa on July 20, 2026, with origin time 23:37 UTC. 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 → |
Reports of a magnitude 2.0 earthquake 14 km ESE of Pāhala, Hawaii came in on July 20, 2026 at 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 → |
July 20, 2026 brought a magnitude 2.0 earthquake 44 km WSW of Tatitlek, Alaska, logged 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 45.603°, 143.720° | 300.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 115 km NE of Esashi, Japan came in on July 20, 2026 at 23:18 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. 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 → |
This magnitude 2.4 event was detected 89 km SE of Ugashik, Alaska on July 20, 2026, with origin time 23:03 UTC. 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 | 106 km SW of Puerto Madero, Mexico 14.124°, -93.195° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 20, 2026 at 23:02 UTC, a magnitude 4.1 earthquake struck 106 km SW of Puerto Madero, Mexico. Coming 21 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
At 22:38 UTC on July 20, 2026, a magnitude 2.1 tremor occurred 2 km W of Garrochales, Puerto Rico. 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 | 4.7mb | southwest of Africa -52.657°, 12.731° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake southwest of Africa at 22:35 UTC on July 20, 2026. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 22:05:26 UTC | 4.2mb | 148 km NNW of Masohi, Indonesia -2.063°, 128.438° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 148 km NNW of Masohi, Indonesia 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 14.611°, -45.124° | 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 → |
Reports of a magnitude 2.1 earthquake 85 km W of Salamatof, Alaska came in on July 20, 2026 at 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 → |
Reports of a magnitude 2.2 earthquake 10 km WNW of Cobb, CA came in on July 20, 2026 at 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 → |
On July 20, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 57 km SW of Tatitlek, Alaska at 21:30 UTC. 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 14.742°, -45.105° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.0 earthquake near northern Mid-Atlantic Ridge came in on July 20, 2026 at 21:30 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 14.669°, -45.064° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place near northern Mid-Atlantic Ridge on July 20, 2026 at 21:29 UTC. Coming 1 hours after a magnitude 5.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 14.527°, -44.980° | 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 -6.965°, 130.029° | 91.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place near Banda Sea 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 21:20:47 UTC | 4.2mb | 113 km SW of Puerto Madero, Mexico 13.925°, -93.079° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 113 km SW of Puerto Madero, Mexico with origin time 21:20 UTC on July 20, 2026. 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 → |
A magnitude 2.1 seismic event took place 35 km WSW of Mentone, Texas on July 20, 2026 at 21:17 UTC. It arrived roughly 12 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-20 2026-07-20 21:11:24 UTC | 5.0mb | 77 km WNW of Pangai, Tonga -19.665°, -175.072° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 20, 2026 brought a magnitude 5.0 earthquake 77 km WNW of Pangai, Tonga, logged at 21:11 UTC. See the M5.0 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 → |
July 20, 2026 brought a magnitude 2.1 earthquake 120 km WSW of Adak, Alaska, logged 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 → |
This magnitude 4.3 event was detected 286 km W of Tual, Indonesia on July 20, 2026, with origin time 20:55 UTC. 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 → |
Reports of a magnitude 4.3 earthquake 73 km WSW of Puerto Madero, Mexico came in on July 20, 2026 at 20:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 1 hours earlier. 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 → |
On July 20, 2026 at 20:44 UTC, a magnitude 5.0 earthquake struck south of the Kermadec Islands. 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. | ||||||||
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.