Earthquakes on July 18, 2026
258
EARTHQUAKES on July 18, 2026
24-hour UTC period · USGS data
13 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
9
M4.0–4.9
57
M3.0–3.9
10
M2.0–2.9
44
M1.0–1.9
138
Activity Summary
258
Total earthquakes
~250
Daily average
Normal
Activity level
9
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
71 km SW of Puerto Madero, Mexico
17:26 UTC · 13.0 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
58 km SW of Puerto Madero, Mexico
09:59 UTC · 44.6 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
95 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 120 (filtered from 258)
(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 23:53:42 UTC | 4.4mb | 79 km SSW of Katubao, Philippines 5.195°, 124.659° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026 at 23:53 UTC, a magnitude 4.4 earthquake struck 79 km SSW of Katubao, Philippines. See the M4.4 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 → |
The USGS recorded this magnitude 4.5 earthquake 39 km WSW of Brisas Barra de Suchiate, Mexico at 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 23:35:21 UTC | 2.7ml | 141 km S of Sand Point, Alaska 54.072°, -160.677° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 141 km S of Sand Point, Alaska with origin time 23:35 UTC on July 18, 2026. 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 23:31:19 UTC | 4.7mb | 80 km SW of Masachapa, Nicaragua 11.374°, -87.121° | 24.3 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 23:18:30 UTC | 2.2ml | 71 km SSE of Adak, Alaska 51.322°, -176.117° | 21.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026 at 23:18 UTC, a magnitude 2.2 earthquake struck 71 km SSE of Adak, Alaska. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 23:16:06 UTC | 2.5ml | Rat Islands, Aleutian Islands, Alaska 51.302°, 178.749° | 21.2 km | - | - | - | ✓ Reviewed | USGS → |
July 18, 2026 brought a magnitude 2.5 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 23:16 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 23:12:09 UTC | 2.0ml | 106 km WNW of Yakutat, Alaska 59.902°, -141.476° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 106 km WNW of Yakutat, Alaska at 23:12 UTC. 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 → |
This magnitude 2.6 event was detected 91 km SSE of Akutan, Alaska on July 18, 2026, with origin time 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 | 117 km WSW of Puerto Madero, Mexico 14.308°, -93.421° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 117 km WSW of Puerto Madero, Mexico on July 18, 2026 at 22:49 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 22:39:46 UTC | 3.2mb | 91 km SE of False Pass, Alaska 54.193°, -162.577° | 35.0 km | - | II | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 91 km SE of False Pass, Alaska with origin time 22:39 UTC on July 18, 2026. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 22:39:29 UTC | 4.3mb | 123 km SE of Miyakojima, Japan 23.868°, 125.987° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 18, 2026 brought a magnitude 4.3 earthquake 123 km SE of Miyakojima, Japan, logged at 22:39 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 21:59:04 UTC | 2.7ml | 10 km SW of Atka, Alaska 52.120°, -174.291° | 166.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026, worldwide seismic activity registered a magnitude 2.7 earthquake 10 km SW of Atka, Alaska 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 | 1 km SE of Mnogoudobnoye, Russia 43.461°, 132.481° | 502.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 1 km SE of Mnogoudobnoye, Russia on July 18, 2026 at 21:54 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. | ||||||||
2026-07-18 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 → |
The USGS recorded this magnitude 3.0 earthquake 60 km NNE of Cruz Bay, U.S. Virgin Islands at 21:53 UTC on July 18, 2026. 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 14.421°, -92.735° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 47 km SW of Puerto Madero, Mexico on July 18, 2026 at 21:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 12 hours earlier. 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 21:21:39 UTC | 4.6mb | 126 km SSE of Kokopo, Papua New Guinea -5.463°, 152.504° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 18, 2026 brought a magnitude 4.6 earthquake 126 km SSE of Kokopo, Papua New Guinea, logged at 21:21 UTC. See the M4.6 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 → |
At 21:21 UTC on July 18, 2026, a magnitude 2.0 tremor occurred 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 → |
The USGS recorded this magnitude 2.0 earthquake 52 km WNW of Happy Valley, Alaska at 18:59 UTC on July 18, 2026. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 18:45:33 UTC | 4.3mb | Reykjanes Ridge 52.793°, -35.142° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026 at 18:45 UTC, a magnitude 4.3 earthquake struck near Reykjanes Ridge. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 18:37:32 UTC | 4.4mb | South Sandwich Islands region -57.082°, -25.101° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake in the South Sandwich Islands region with origin time 18:37 UTC on July 18, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 18:26:35 UTC | 4.3mb | 31 km SSW of Alik Ghund, Pakistan 30.234°, 67.375° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 31 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 17:36:46 UTC | 4.2mb | 114 km SW of Brisas Barra de Suchiate, Mexico 13.870°, -93.032° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026 at 17:36 UTC, a magnitude 4.2 earthquake struck 114 km SW of Brisas Barra de Suchiate, Mexico. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 17:36:42 UTC | 4.6mb | southern Mid-Atlantic Ridge -12.605°, -15.026° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 18, 2026 at 17:36 UTC, a magnitude 4.6 earthquake struck near southern Mid-Atlantic Ridge. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 17:34:08 UTC | 4.3mb | 124 km ESE of Kimbe, Papua New Guinea -5.905°, 151.201° | 65.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 124 km ESE of Kimbe, Papua New Guinea with origin time 17:34 UTC on July 18, 2026. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 17:26:26 UTC | 5.8mww | 71 km SW of Puerto Madero, Mexico 14.240°, -92.865° | 13.0 km | - | IV | green | ✓ Reviewed | USGS → |
On July 18, 2026 at 17:26 UTC, a magnitude 5.8 earthquake struck 71 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 M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-18 2026-07-18 17:01:36 UTC | 4.6mww | 51 km WSW of Puerto Madero, Mexico 14.478°, -92.833° | 35.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 51 km WSW of Puerto Madero, Mexico on July 18, 2026 at 17:01 UTC. It arrived roughly 7 hours after a larger magnitude 5.2 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 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 → |
On July 18, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 76 km SW of Puerto Madero, Mexico at 16:55 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 7 hours earlier. 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. | ||||||||
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.