Earthquakes on August 17, 2022
276
EARTHQUAKES on August 17, 2022
24-hour UTC period · USGS data
LARGEST: M5.6 — 261 km SSE of Katsuura, Japan
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
37
M3.0–3.9
19
M2.0–2.9
48
M1.0–1.9
170
Activity Summary
276
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.6
261 km SSE of Katsuura, Japan
04:24 UTC · 10.0 km deep
5.5
171 km N of Metinaro, Timor Leste
12:56 UTC · 481.0 km deep
4.9
central Mid-Atlantic Ridge
17:10 UTC · 10.0 km deep
4.9
84 km W of Waisai, Indonesia
16:11 UTC · 10.0 km deep
4.9
175 km SE of Kuril’sk, Russia
13:25 UTC · 10.0 km deep
4.9
13 km W of Socorro, Philippines
09:35 UTC · 132.7 km deep
Felt by 1
4.9
Kermadec Islands region
05:27 UTC · 10.0 km deep
4.8
153 km SW of Akhiok, Alaska
02:00 UTC · 34.7 km deep
Earthquake Map — August 17, 2022

All Earthquakes — August 17, 2022
Showing 30 of 106 (filtered from 276)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-17 2022-08-17 23:31:06 UTC | 4.3mb | 89 km WSW of Masachapa, Nicaragua 11.363°, -87.209° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:31 UTC on August 17, 2022, a magnitude 4.3 tremor occurred 89 km WSW of Masachapa, Nicaragua. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 23:15:06 UTC | 4.7mb | western Indian-Antarctic Ridge -50.107°, 119.881° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place near western Indian-Antarctic Ridge on August 17, 2022 at 23:15 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 22:52:55 UTC | 4.5mb | western Indian-Antarctic Ridge -50.118°, 120.511° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake near western Indian-Antarctic Ridge with origin time 22:52 UTC on August 17, 2022. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 22:46:05 UTC | 2.0md | 2 km SSE of P?hala, Hawaii 19.181°, -155.468° | 35.8 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 2 km SSE of P?hala, Hawaii on August 17, 2022, with origin time 22:46 UTC. It arrived roughly 20 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 22:38:48 UTC | 3.6mb | Rat Islands, Aleutian Islands, Alaska 51.212°, 178.548° | 38.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.6 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on August 17, 2022 at 22:38 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 22:15:59 UTC | 4.5mb | West Chile Rise -43.865°, -82.379° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2022, worldwide seismic activity registered a magnitude 4.5 earthquake near West Chile Rise at 22:15 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 22:05:25 UTC | 2.2ml | 22 km ENE of Honaunau-Napoopoo, Hawaii 19.505°, -155.660° | 4.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2022 at 22:05 UTC, a magnitude 2.2 earthquake struck 22 km ENE of Honaunau-Napoopoo, Hawaii. 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. | ||||||||
2022-08-17 2022-08-17 21:43:24 UTC | 2.4ml | 4 km S of P?hala, Hawaii 19.160°, -155.472° | 30.3 km | - | - | - | Auto | USGS → |
At 21:43 UTC on August 17, 2022, a magnitude 2.4 tremor occurred 4 km S of P?hala, Hawaii. Coming 19 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 21:27:33 UTC | 2.5ml | 20km S of San Pedro, CA 33.555°, -118.273° | 1.6 km | 3 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 20km S of San Pedro, CA with origin time 21:27 UTC on August 17, 2022. 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. | ||||||||
2022-08-17 2022-08-17 21:23:25 UTC | 3.5ml | 78 km ESE of Atka, Alaska 51.850°, -173.200° | 33.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2022, worldwide seismic activity registered a magnitude 3.5 earthquake 78 km ESE of Atka, Alaska at 21:23 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 21:08:51 UTC | 2.3ml | 16km SSE of San Pedro, CA 33.601°, -118.245° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 16km SSE of San Pedro, CA on August 17, 2022 at 21:08 UTC. 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. | ||||||||
2022-08-17 2022-08-17 20:49:41 UTC | 2.4ml | 85km E of Maneadero, B.C., MX 31.568°, -115.685° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 85km E of Maneadero, B.C., MX on August 17, 2022, with origin time 20:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 20:48:27 UTC | 2.5ml | 83km ESE of Maneadero, B.C., MX 31.561°, -115.704° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
August 17, 2022 brought a magnitude 2.5 earthquake 83km ESE of Maneadero, B.C., MX, logged at 20:48 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 20:13:17 UTC | 2.0ml | 23 km SSW of Mammoth, Wyoming 44.778°, -110.808° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 23 km SSW of Mammoth, Wyoming came in on August 17, 2022 at 20:13 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. | ||||||||
2022-08-17 2022-08-17 20:08:00 UTC | 2.8mlv | 17 km NNE of Hermleigh, Texas 32.768°, -100.655° | 7.8 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 17 km NNE of Hermleigh, Texas at 20:08 UTC on August 17, 2022. Coming 19 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 19:51:48 UTC | 3.1ml | 43 km ENE of Susitna North, Alaska 62.355°, -149.132° | 3.3 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 43 km ENE of Susitna North, Alaska with origin time 19:51 UTC on August 17, 2022. 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 M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 19:43:03 UTC | 2.1ml | 11 km ENE of P?hala, Hawaii 19.249°, -155.381° | 30.4 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 11 km ENE of P?hala, Hawaii with origin time 19:43 UTC on August 17, 2022. Coming 17 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 19:27:28 UTC | 2.4mlv | 65 km SSW of Whites City, New Mexico 31.600°, -104.525° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2022, worldwide seismic activity registered a magnitude 2.4 earthquake 65 km SSW of Whites City, New Mexico at 19:27 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 19:17:29 UTC | 2.0ml | 4 km WNW of Jonesboro, Maine 44.679°, -67.626° | 5.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 4 km WNW of Jonesboro, Maine on August 17, 2022 at 19:17 UTC. Coming 12 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. | ||||||||
2022-08-17 2022-08-17 19:04:06 UTC | 4.4mb | south of the Kermadec Islands -32.607°, -178.417° | 24.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake south of the Kermadec Islands came in on August 17, 2022 at 19:04 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 18:19:41 UTC | 4.2mb | Mariana Islands region 19.247°, 146.947° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2022 at 18:19 UTC, a magnitude 4.2 earthquake struck in the Mariana Islands region. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 18:19:29 UTC | 2.2ml | 12 km ESE of P?hala, Hawaii 19.170°, -155.369° | 32.0 km | - | - | - | Auto | USGS → |
On August 17, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 12 km ESE of P?hala, Hawaii at 18:19 UTC. Coming 16 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:51:48 UTC | 2.1ml | 14km NW of Progreso, B.C., MX 32.678°, -115.681° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 14km NW of Progreso, B.C., MX at 17:51 UTC on August 17, 2022. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:50:43 UTC | 4.5mb | 47 km WNW of Bahía de Caráquez, Ecuador -0.360°, -80.781° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 17:50 UTC on August 17, 2022, a magnitude 4.5 tremor occurred 47 km WNW of Bahía de Caráquez, Ecuador. Coming 11 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:40:19 UTC | 2.5md | 43 km SE of Naalehu, Hawaii 18.846°, -155.235° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2022 at 17:40 UTC, a magnitude 2.5 earthquake struck 43 km SE of Naalehu, Hawaii. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:16:15 UTC | 4.3mb | 24 km SSW of Trinity, Saint Kitts and Nevis 17.086°, -62.847° | 151.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 24 km SSW of Trinity, Saint Kitts and Nevis at 17:16 UTC on August 17, 2022. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:10:19 UTC | 4.9mb | central Mid-Atlantic Ridge 0.436°, -25.106° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake near central Mid-Atlantic Ridge with origin time 17:10 UTC on August 17, 2022. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:05:10 UTC | 2.8md | 8km NNE of Walker, CA 38.589°, -119.459° | 3.8 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 17, 2022 at 17:05 UTC, a magnitude 2.8 earthquake struck 8km NNE of Walker, CA. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 17:04:45 UTC | 2.2ml | 5 km ENE of Coleville, California 38.588°, -119.457° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 5 km ENE of Coleville, California on August 17, 2022, with origin time 17:04 UTC. Coming 1 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-17 2022-08-17 16:43:52 UTC | 2.4md | 8km NNE of Walker, CA 38.587°, -119.449° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 8km NNE of Walker, CA came in on August 17, 2022 at 16:43 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 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 17, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.