Earthquakes on August 18, 2022
274
EARTHQUAKES on August 18, 2022
24-hour UTC period · USGS data
LARGEST: M5.5 — Minahasa, Sulawesi, Indonesia
173 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
38
M3.0–3.9
9
M2.0–2.9
49
M1.0–1.9
175
Activity Summary
274
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
Minahasa, Sulawesi, Indonesia
07:46 UTC · 173.1 km deep
Felt by 1
5.3
21 km S of Machalí, Chile
02:10 UTC · 107.0 km deep
Felt by 157
5.1
65 km E of Namie, Japan
05:46 UTC · 46.9 km deep
Felt by 11
4.9
southern Mid-Atlantic Ridge
23:02 UTC · 10.0 km deep
4.9
southern Mid-Atlantic Ridge
22:59 UTC · 10.0 km deep
4.9
southern Mid-Atlantic Ridge
22:58 UTC · 10.0 km deep
4.9
southern Mid-Atlantic Ridge
22:57 UTC · 10.0 km deep
4.9
southeast of the Loyalty Islands
17:43 UTC · 129.5 km deep
Earthquake Map — August 18, 2022

All Earthquakes — August 18, 2022
Showing 30 of 99 (filtered from 274)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-18 2022-08-18 23:59:56 UTC | 4.8mb | southern Mid-Atlantic Ridge -20.539°, -11.147° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 18, 2022 brought a magnitude 4.8 earthquake near southern Mid-Atlantic Ridge, logged at 23:59 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 23:55:13 UTC | 4.6mb | southern Mid-Atlantic Ridge -20.354°, -12.046° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected near southern Mid-Atlantic Ridge on August 18, 2022, with origin time 23:55 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 23:51:40 UTC | 4.7mb | southern Mid-Atlantic Ridge -20.389°, -11.727° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 4.7 earthquake near southern Mid-Atlantic Ridge at 23:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 23:47:18 UTC | 2.1md | 9 km ENE of P?hala, Hawaii 19.233°, -155.392° | 31.0 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 9 km ENE of P?hala, Hawaii on August 18, 2022 at 23:47 UTC. It arrived roughly 19 hours after a larger magnitude 2.4 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. | ||||||||
2022-08-18 2022-08-18 23:31:40 UTC | 2.2md | 6 km E of H?lualoa, Hawaii 19.614°, -155.888° | 25.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 6 km E of H?lualoa, Hawaii at 23:31 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 23:22:01 UTC | 2.0ml | 11 km SSE of P?hala, Hawaii 19.108°, -155.424° | 29.7 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.0 earthquake 11 km SSE of P?hala, Hawaii with origin time 23:22 UTC on August 18, 2022. Coming 11 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 23:20:05 UTC | 4.6mb | southern Mid-Atlantic Ridge -20.387°, -11.942° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake near southern Mid-Atlantic Ridge came in on August 18, 2022 at 23:20 UTC. Coming 1 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 23:02:55 UTC | 4.9mb | southern Mid-Atlantic Ridge -20.308°, -11.852° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 4.9 earthquake near southern Mid-Atlantic Ridge at 23:02 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:59:53 UTC | 4.9mb | southern Mid-Atlantic Ridge -20.136°, -12.086° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:59 UTC on August 18, 2022, a magnitude 4.9 tremor occurred near southern Mid-Atlantic Ridge. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:58:47 UTC | 4.9mb | southern Mid-Atlantic Ridge -20.212°, -11.959° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake near southern Mid-Atlantic Ridge at 22:58 UTC on August 18, 2022. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:57:37 UTC | 4.9mb | southern Mid-Atlantic Ridge -20.164°, -11.812° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected near southern Mid-Atlantic Ridge on August 18, 2022, with origin time 22:57 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:21:36 UTC | 2.1ml | 45 km NW of Toyah, Texas 31.613°, -104.122° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 2.1 earthquake 45 km NW of Toyah, Texas at 22:21 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:16:02 UTC | 2.3ml | 52 km E of Juneau, Alaska 58.369°, -133.538° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
August 18, 2022 brought a magnitude 2.3 earthquake 52 km E of Juneau, Alaska, logged at 22:16 UTC. It arrived roughly 1 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:10:59 UTC | 4.3mb | south of the Kermadec Islands -33.572°, -178.634° | 31.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022 at 22:10 UTC, a magnitude 4.3 earthquake struck south of the Kermadec Islands. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 22:08:26 UTC | 2.5ml | 62 km NNW of Rachel, Nevada 38.160°, -116.031° | 0.1 km | - | - | - | ✓ Reviewed | USGS → |
August 18, 2022 brought a magnitude 2.5 earthquake 62 km NNW of Rachel, Nevada, logged at 22:08 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 21:48:22 UTC | 3.2ml | 55 km E of Juneau, Alaska 58.339°, -133.482° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 55 km E of Juneau, Alaska at 21:48 UTC on August 18, 2022. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 21:41:01 UTC | 4.3mb | south of the Fiji Islands -25.813°, -179.972° | 463.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded south of the Fiji Islands on August 18, 2022 at 21:41 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 21:24:29 UTC | 4.8mb | southern Mid-Atlantic Ridge -20.285°, -12.443° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022 at 21:24 UTC, a magnitude 4.8 earthquake struck near southern Mid-Atlantic Ridge. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 20:57:05 UTC | 2.0md | 5km ENE of Bonadelle Ranchos-Madera Ranchos, CA 36.997°, -119.818° | -0.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 2.0 earthquake 5km ENE of Bonadelle Ranchos-Madera Ranchos, CA at 20:57 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. | ||||||||
2022-08-18 2022-08-18 20:50:21 UTC | 4.4mb | 150 km ENE of Tobelo, Indonesia 2.214°, 129.269° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 4.4 earthquake 150 km ENE of Tobelo, Indonesia at 20:50 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 20:49:10 UTC | 2.1ml | 18 km NNE of Hermleigh, Texas 32.779°, -100.664° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:49 UTC on August 18, 2022, a magnitude 2.1 tremor occurred 18 km NNE of Hermleigh, Texas. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 20:45:31 UTC | 4.4mb | 14 km ESE of Jiquilillo, Nicaragua 12.695°, -87.328° | 143.5 km | - | - | - | ✓ Reviewed | USGS → |
At 20:45 UTC on August 18, 2022, a magnitude 4.4 tremor occurred 14 km ESE of Jiquilillo, Nicaragua. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 20:28:21 UTC | 4.2mb | 107 km S of Alo, Wallis and Futuna -15.284°, -178.117° | 418.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2022, worldwide seismic activity registered a magnitude 4.2 earthquake 107 km S of Alo, Wallis and Futuna at 20:28 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 20:22:54 UTC | 2.3md | 2 km SSW of P?hala, Hawaii 19.188°, -155.489° | 33.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.3 earthquake 2 km SSW of P?hala, Hawaii came in on August 18, 2022 at 20:22 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 16 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 19:57:12 UTC | 2.1ml | 51 km E of Juneau, Alaska 58.343°, -133.538° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 51 km E of Juneau, Alaska at 19:57 UTC on August 18, 2022. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 19:32:52 UTC | 2.2ml | 14km SSE of Alberto Oviedo Mota, B.C., MX 32.106°, -115.128° | 24.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 14km SSE of Alberto Oviedo Mota, B.C., MX with origin time 19:32 UTC on August 18, 2022. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 19:30:07 UTC | 4.1mb | Kermadec Islands region -27.474°, -178.424° | 267.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake in the Kermadec Islands region came in on August 18, 2022 at 19:30 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 19:06:01 UTC | 2.1ml | 57 km E of Pedro Bay, Alaska 59.861°, -153.086° | 102.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 57 km E of Pedro Bay, Alaska on August 18, 2022, with origin time 19:06 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 18:20:39 UTC | 4.5mb | Pulau-Pulau Sangihe, Indonesia 4.286°, 125.805° | 102.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded near Pulau-Pulau Sangihe, Indonesia on August 18, 2022 at 18:20 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-18 2022-08-18 18:08:34 UTC | 3.1ml | off the coast of Oregon 43.881°, -128.271° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake near off the coast of Oregon came in on August 18, 2022 at 18:08 UTC. See the M3.1 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, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.