Earthquakes on July 18, 2026
220
EARTHQUAKES on July 18, 2026
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
9
M4.0–4.9
36
M3.0–3.9
9
M2.0–2.9
33
M1.0–1.9
133
Activity Summary
220
Total earthquakes
~250
Daily average
Normal
Activity level
9
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.7
72 km SW of Puerto Madero, Mexico
17:26 UTC · 10.0 km deep
5.5
Scotia Sea
19:50 UTC · 10.0 km deep
5.3
87 km WSW of Puerto Madero, Mexico
06:51 UTC · 35.0 km deep
5.3
119 km SW of Sarangani, Philippines
02:23 UTC · 10.0 km deep
Felt by 3
5.2
69 km SW of Puerto Madero, Mexico
09:59 UTC · 44.9 km deep
5.2
south of the Kermadec Islands
05:46 UTC · 10.0 km deep
5.1
155 km S of George Town, Cayman Islands
16:08 UTC · 10.0 km deep
Felt by 3
5.1
99 km WSW of Puerto Madero, Mexico
01:49 UTC · 10.0 km deep
Earthquake Map — July 18, 2026
All Earthquakes — July 18, 2026
Showing 30 of 87 (filtered from 220)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-07-18 2026-07-18 23:50:26 UTC | 2.5md | 12 km ENE of San Martin, CA 37.111°, -121.475° | 22.6 km | 1 | - | - | Auto | USGS → |
At 23:50 UTC on July 18, 2026, a magnitude 2.5 tremor occurred 12 km ENE of San Martin, CA. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 23:38:01 UTC | 4.5mb | 39 km WSW of Brisas Barra de Suchiate, Mexico 14.354°, -92.540° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 39 km WSW of Brisas Barra de Suchiate, Mexico with origin time 23:38 UTC on July 18, 2026. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 23:31:20 UTC | 4.7mb | 80 km SW of Masachapa, Nicaragua 11.360°, -87.113° | 25.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 80 km SW of Masachapa, Nicaragua at 23:31 UTC on July 18, 2026. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 23:12:08 UTC | 2.0ml | 109 km WNW of Yakutat, Alaska 59.908°, -141.529° | 0.3 km | - | - | - | Auto | USGS → |
July 18, 2026 brought a magnitude 2.0 earthquake 109 km WNW of Yakutat, Alaska, logged at 23:12 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 22:54:28 UTC | 2.6ml | 91 km SSE of Akutan, Alaska 53.407°, -165.124° | 29.1 km | - | - | - | ✓ Reviewed | USGS → |
July 18, 2026 brought a magnitude 2.6 earthquake 91 km SSE of Akutan, Alaska, logged at 22:54 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 22:49:24 UTC | 4.6mb | 118 km WSW of Puerto Madero, Mexico 14.271°, -93.418° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 118 km WSW of Puerto Madero, Mexico on July 18, 2026 at 22:49 UTC. It arrived roughly 21 hours after a larger magnitude 5.1 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. | ||||||||
2026-07-18 2026-07-18 22:39:44 UTC | 3.6ml | 100 km SE of False Pass, Alaska 54.125°, -162.504° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
This magnitude 3.6 event was detected 100 km SE of False Pass, Alaska on July 18, 2026, with origin time 22:39 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 21:59:03 UTC | 2.7ml | 10 km SW of Atka, Alaska 52.126°, -174.297° | 171.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 10 km SW of Atka, Alaska came in on July 18, 2026 at 21:59 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 21:54:57 UTC | 4.0mb | 4 km NE of Mnogoudobnoye, Russia 43.494°, 132.510° | 502.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.0 earthquake 4 km NE of Mnogoudobnoye, Russia with origin time 21:54 UTC on July 18, 2026. 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. | ||||||||
2026-07-18 2026-07-18 21:53:24 UTC | 3.0md | 60 km NNE of Cruz Bay, U.S. Virgin Islands 18.869°, -64.669° | 24.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 60 km NNE of Cruz Bay, U.S. Virgin Islands at 21:53 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 21:35:29 UTC | 4.4mb | 47 km SW of Puerto Madero, Mexico 14.422°, -92.734° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 47 km SW of Puerto Madero, Mexico on July 18, 2026, with origin time 21:35 UTC. Coming 5 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 21:21:35 UTC | 2.0ml | 65 km W of Tyonek, Alaska 61.027°, -152.344° | 115.6 km | 1 | - | - | Auto | USGS → |
On July 18, 2026 at 21:21 UTC, a magnitude 2.0 earthquake struck 65 km W of Tyonek, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 19:50:36 UTC | 5.5mww | Scotia Sea -60.745°, -51.030° | 10.0 km | - | II | green | ✓ Reviewed | USGS → |
A magnitude 5.5 earthquake was recorded near Scotia Sea on July 18, 2026 at 19:50 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 18:59:54 UTC | 2.0ml | 52 km WNW of Happy Valley, Alaska 60.099°, -152.629° | 107.7 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 52 km WNW of Happy Valley, Alaska on July 18, 2026 at 18:59 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 18:26:35 UTC | 4.3mb | 34 km SSW of Alik Ghund, Pakistan 30.212°, 67.362° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 34 km SSW of Alik Ghund, Pakistan on July 18, 2026 at 18:26 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 17:26:25 UTC | 5.7mww | 72 km SW of Puerto Madero, Mexico 14.239°, -92.880° | 10.0 km | - | IV | green | ✓ Reviewed | USGS → |
On July 18, 2026 at 17:26 UTC, a magnitude 5.7 earthquake struck 72 km SW of Puerto Madero, Mexico. 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 18, 2026. See the M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 17:01:33 UTC | 4.6mww | 57 km WSW of Puerto Madero, Mexico 14.457°, -92.883° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
July 18, 2026 brought a magnitude 4.6 earthquake 57 km WSW of Puerto Madero, Mexico, logged at 17:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 7 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 16:57:34 UTC | 4.8mb | South Sandwich Islands region -59.439°, -26.243° | 122.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.8 earthquake in the South Sandwich Islands region with origin time 16:57 UTC on July 18, 2026. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 16:55:57 UTC | 4.3mb | 76 km SW of Puerto Madero, Mexico 14.232°, -92.919° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 76 km SW of Puerto Madero, Mexico with origin time 16:55 UTC on July 18, 2026. Coming 7 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 16:08:43 UTC | 5.1mww | 155 km S of George Town, Cayman Islands 17.891°, -81.559° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
This magnitude 5.1 event was detected 155 km S of George Town, Cayman Islands on July 18, 2026, with origin time 16:08 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 15:55:48 UTC | 2.2md | 24 km SW of Los Banos, CA 36.914°, -121.048° | 3.3 km | - | - | - | Auto | USGS → |
On July 18, 2026 at 15:55 UTC, a magnitude 2.2 earthquake struck 24 km SW of Los Banos, CA. 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. | ||||||||
2026-07-18 2026-07-18 15:53:47 UTC | 2.1ml | 72 km SE of Denali National Park, Alaska 63.172°, -150.539° | 124.8 km | - | - | - | Auto | USGS → |
At 15:53 UTC on July 18, 2026, a magnitude 2.1 tremor occurred 72 km SE of Denali National Park, Alaska. Coming 11 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 15:47:56 UTC | 2.9md | 27 km NW of Rincón, Puerto Rico 18.477°, -67.462° | 18.5 km | - | - | - | ✓ Reviewed | USGS → |
At 15:47 UTC on July 18, 2026, a magnitude 2.9 tremor occurred 27 km NW of Rincón, Puerto Rico. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 15:38:31 UTC | 2.2ml | 48 km W of Karluk, Alaska 57.644°, -155.249° | 7.3 km | - | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 48 km W of Karluk, Alaska on July 18, 2026 at 15:38 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 14:57:52 UTC | 2.3ml | 13 km SE of Fern Forest, Hawaii 19.375°, -155.057° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 13 km SE of Fern Forest, Hawaii on July 18, 2026 at 14:57 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 14:12:24 UTC | 2.1ml | 25 km NW of Valdez, Alaska 61.276°, -146.709° | 13.4 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 25 km NW of Valdez, Alaska at 14:12 UTC on July 18, 2026. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 13:28:37 UTC | 4.3mb | 134 km SW of Puerto Madero, Mexico 14.015°, -93.432° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 134 km SW of Puerto Madero, Mexico at 13:28 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 13:27:51 UTC | 2.8md | 70 km NNE of Vieques, Puerto Rico 18.995°, -65.534° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 70 km NNE of Vieques, Puerto Rico at 13:27 UTC on July 18, 2026. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 11 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 13:14:35 UTC | 4.4mb | 10 km E of El Bajío, Mexico 16.879°, -94.936° | 116.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 10 km E of El Bajío, Mexico came in on July 18, 2026 at 13:14 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 11:52:18 UTC | 2.0ml | 24 km SW of Garden City, Texas 31.728°, -101.684° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 24 km SW of Garden City, Texas with origin time 11:52 UTC on July 18, 2026. The event was offshore. See the M2.0 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 18, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.