Earthquakes on August 18, 2026
223
EARTHQUAKES on August 18, 2026
24-hour UTC period · USGS data
LARGEST: M5.9 — 269 km SSE of Dunhuang, China
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
16
M3.0–3.9
17
M2.0–2.9
58
M1.0–1.9
128
Activity Summary
223
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.9
269 km SSE of Dunhuang, China
21:36 UTC · 10.0 km deep
5.7
95 km SW of Puerto Madero, Mexico
05:02 UTC · 10.0 km deep
Felt by 2
5.6
154 km SSE of Teluk Dalam, Indonesia
06:02 UTC · 10.0 km deep
5.3
35 km SSW of Jurm, Afghanistan
19:51 UTC · 195.9 km deep
Felt by 2
4.9
76 km NW of Ende, Indonesia
19:03 UTC · 10.0 km deep
4.9
79 km N of Ruteng, Indonesia
12:03 UTC · 36.3 km deep
4.9
2 km WSW of Granada, Spain
08:37 UTC · 10.0 km deep
Felt by 22
4.8
72 km NW of Ende, Indonesia
20:15 UTC · 56.4 km deep
Earthquake Map — August 18, 2026
All Earthquakes — August 18, 2026
Showing 30 of 95 (filtered from 223)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
3 hours ago 2026-08-18 23:59:09 UTC | 2.6ml | 51 km S of Cantwell, Alaska 62.937°, -148.792° | 63.0 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.6 earthquake 51 km S of Cantwell, Alaska at 23:59 UTC on August 18, 2026. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 hours ago 2026-08-18 23:58:32 UTC | 2.4md | 3 km S of Pāhala, Hawaii 19.170°, -155.482° | 29.9 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 3 km S of Pāhala, Hawaii came in on August 18, 2026 at 23:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 hours ago 2026-08-18 23:53:51 UTC | 4.4mb | 284 km WNW of Houma, Tonga -20.103°, -177.790° | 513.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 284 km WNW of Houma, Tonga on August 18, 2026, with origin time 23:53 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 hours ago 2026-08-18 22:02:01 UTC | 2.5md | 17 km E of Pāhala, Hawaii 19.188°, -155.313° | 39.8 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.5 earthquake 17 km E of Pāhala, Hawaii with origin time 22:02 UTC on August 18, 2026. Coming 8 hours after a magnitude 2.6 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. | ||||||||
5 hours ago 2026-08-18 22:00:08 UTC | 2.3ml | 28 km WNW of Susitna, Alaska 61.684°, -150.966° | 69.7 km | 1 | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.3 earthquake 28 km WNW of Susitna, Alaska with origin time 22:00 UTC on August 18, 2026. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 hours ago 2026-08-18 21:54:59 UTC | 2.5md | 11 km SW of Round Valley, CA 37.347°, -118.692° | 17.5 km | - | - | - | Auto | USGS → |
A magnitude 2.5 seismic event took place 11 km SW of Round Valley, CA on August 18, 2026 at 21:54 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 hours ago 2026-08-18 21:36:29 UTC | 5.9mb | 269 km SSE of Dunhuang, China 37.835°, 95.538° | 10.0 km | - | VII | yellow | ✓ Reviewed | USGS → |
On August 18, 2026 at 21:36 UTC, a magnitude 5.9 earthquake struck 269 km SSE of Dunhuang, China. The USGS PAGER system assigned a yellow alert level for this event, signalling local impact possible. It is the largest earthquake currently listed for worldwide seismic activity on August 18, 2026. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 hours ago 2026-08-18 21:29:14 UTC | 2.3md | 10 km S of Volcano, Hawaii 19.351°, -155.242° | 29.1 km | - | - | - | Auto | USGS → |
On August 18, 2026 at 21:29 UTC, a magnitude 2.3 earthquake struck 10 km S of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 hours ago 2026-08-18 21:12:42 UTC | 2.3ml | 34 km SW of Nanwalek, Alaska 59.140°, -152.347° | 61.0 km | - | - | - | Auto | USGS → |
On August 18, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 34 km SW of Nanwalek, Alaska at 21:12 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 hours ago 2026-08-18 20:56:40 UTC | 2.9ml | 7 km WSW of Point MacKenzie, Alaska 61.332°, -150.110° | 38.1 km | 10 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 7 km WSW of Point MacKenzie, Alaska on August 18, 2026 at 20:56 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 hours ago 2026-08-18 20:54:00 UTC | 2.0ml | 53 km E of Denali National Park, Alaska 63.579°, -150.644° | 2.1 km | - | - | - | Auto | USGS → |
August 18, 2026 brought a magnitude 2.0 earthquake 53 km E of Denali National Park, Alaska, logged at 20:54 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. | ||||||||
6 hours ago 2026-08-18 20:37:58 UTC | 2.0ml | 47 km SSE of Nelchina, Alaska 61.608°, -146.391° | 22.7 km | - | - | - | Auto | USGS → |
On August 18, 2026 at 20:37 UTC, a magnitude 2.0 earthquake struck 47 km SSE of Nelchina, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
7 hours ago 2026-08-18 20:26:59 UTC | 2.5ml | 10 km NNE of Odessa, Texas 31.935°, -102.319° | 10.6 km | - | - | - | Auto | USGS → |
On August 18, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 10 km NNE of Odessa, Texas at 20:26 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
7 hours ago 2026-08-18 20:25:38 UTC | 2.4ml | 10 km NE of Niland, CA 33.314°, -115.457° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 10 km NE of Niland, CA on August 18, 2026, with origin time 20:25 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
7 hours ago 2026-08-18 20:15:46 UTC | 4.8mb | 72 km NW of Ende, Indonesia -8.306°, 121.281° | 56.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 72 km NW of Ende, Indonesia came in on August 18, 2026 at 20:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
7 hours ago 2026-08-18 19:51:09 UTC | 5.3mww | 35 km SSW of Jurm, Afghanistan 36.553°, 70.755° | 195.9 km | 2 | - | - | ✓ Reviewed | USGS → |
On August 18, 2026, worldwide seismic activity registered a magnitude 5.3 earthquake 35 km SSW of Jurm, Afghanistan at 19:51 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
8 hours ago 2026-08-18 19:03:12 UTC | 3.0ml | 33 km SE of Point Possession, Alaska 60.751°, -150.177° | 44.3 km | 1 | - | - | Auto | USGS → |
Seismographs logged a magnitude 3.0 earthquake 33 km SE of Point Possession, Alaska with origin time 19:03 UTC on August 18, 2026. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
8 hours ago 2026-08-18 19:03:07 UTC | 4.9mww | 76 km NW of Ende, Indonesia -8.294°, 121.243° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:03 UTC on August 18, 2026, a magnitude 4.9 tremor occurred 76 km NW of Ende, Indonesia. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
8 hours ago 2026-08-18 18:49:24 UTC | 2.2md | 5 km S of Pāhala, Hawaii 19.153°, -155.488° | 27.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 5 km S of Pāhala, Hawaii came in on August 18, 2026 at 18:49 UTC. Coming 5 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
9 hours ago 2026-08-18 18:00:14 UTC | 2.5ml | 20 km ESE of Silver Springs, Nevada 39.334°, -119.013° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
August 18, 2026 brought a magnitude 2.5 earthquake 20 km ESE of Silver Springs, Nevada, logged at 18:00 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
10 hours ago 2026-08-18 16:42:04 UTC | 2.2ml | 13 km SSW of Jal, New Mexico 32.004°, -103.246° | 4.6 km | - | - | - | Auto | USGS → |
On August 18, 2026 at 16:42 UTC, a magnitude 2.2 earthquake struck 13 km SSW of Jal, New Mexico. 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. | ||||||||
11 hours ago 2026-08-18 16:33:26 UTC | 3.4md | 82 km N of Charlotte Amalie, U.S. Virgin Islands 19.080°, -64.847° | 33.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.4 earthquake 82 km N of Charlotte Amalie, U.S. Virgin Islands with origin time 16:33 UTC on August 18, 2026. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
11 hours ago 2026-08-18 16:33:09 UTC | 2.2ml | 12 km SSW of Jal, New Mexico 32.009°, -103.241° | 6.3 km | - | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 12 km SSW of Jal, New Mexico on August 18, 2026 at 16:33 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
11 hours ago 2026-08-18 16:21:27 UTC | 2.2md | 12 km S of Lares, Puerto Rico 18.187°, -66.860° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 12 km S of Lares, Puerto Rico on August 18, 2026 at 16:21 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
11 hours ago 2026-08-18 15:59:17 UTC | 2.6md | 28 km WNW of Weaverville, CA 40.866°, -123.224° | 28.1 km | - | - | - | Auto | USGS → |
At 15:59 UTC on August 18, 2026, a magnitude 2.6 tremor occurred 28 km WNW of Weaverville, CA. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
12 hours ago 2026-08-18 15:12:03 UTC | 2.8ml | 75 km ENE of Tonopah, Nevada 38.442°, -116.512° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 75 km ENE of Tonopah, Nevada at 15:12 UTC on August 18, 2026. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
12 hours ago 2026-08-18 14:59:46 UTC | 2.7md | 60 km W of Petrolia, CA 40.364°, -124.989° | 0.7 km | - | - | - | Auto | USGS → |
This magnitude 2.7 event was detected 60 km W of Petrolia, CA on August 18, 2026, with origin time 14:59 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-08-18 14:18:38 UTC | 2.6ml | 10 km NE of Pāhala, Hawaii 19.270°, -155.405° | 28.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 10 km NE of Pāhala, Hawaii at 14:18 UTC. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-08-18 14:10:03 UTC | 4.3mb | 39 km WSW of Kyelang, India 32.503°, 76.614° | 45.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 39 km WSW of Kyelang, India came in on August 18, 2026 at 14:10 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-08-18 13:58:04 UTC | 2.1ml | 61 km SW of Sitka, Alaska 56.670°, -136.050° | 25.1 km | - | - | - | Auto | USGS → |
At 13:58 UTC on August 18, 2026, a magnitude 2.1 tremor occurred 61 km SW of Sitka, Alaska. 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 August 18, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.