Earthquakes on August 15, 2022
329
EARTHQUAKES on August 15, 2022
24-hour UTC period · USGS data
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
41
M3.0–3.9
8
M2.0–2.9
64
M1.0–1.9
213
Activity Summary
329
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.4
192 km ENE of Georgetown, Saint Helena
16:49 UTC · 10.0 km deep
5.4
10 km E of Telafas, Philippines
08:23 UTC · 18.3 km deep
Felt by 19
5.1
83 km NW of Finschhafen, Papua New Guinea
01:33 UTC · 72.5 km deep
Felt by 1
4.9
147 km SE of Hihifo, Tonga
22:17 UTC · 10.0 km deep
4.9
Nias region, Indonesia
16:35 UTC · 10.0 km deep
4.9
125 km WSW of Zhangye, China
08:30 UTC · 10.0 km deep
4.9
8 km W of Kabugao, Philippines
08:19 UTC · 88.1 km deep
4.9
south of the Kermadec Islands
03:54 UTC · 38.2 km deep
Earthquake Map — August 15, 2022

All Earthquakes — August 15, 2022
Showing 30 of 116 (filtered from 329)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-15 2022-08-15 23:57:01 UTC | 2.1md | 0 km NW of Guayanilla, Puerto Rico 18.022°, -66.795° | 16.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 0 km NW of Guayanilla, Puerto Rico on August 15, 2022, with origin time 23:57 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 17 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 23:47:08 UTC | 2.7ml | 18 km SW of Larsen Bay, Alaska 57.428°, -154.218° | 40.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022 at 23:47 UTC, a magnitude 2.7 earthquake struck 18 km SW of Larsen Bay, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 23:45:27 UTC | 2.9ml | 20 km WSW of Coyanosa, Texas 31.183°, -103.271° | 4.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 20 km WSW of Coyanosa, Texas with origin time 23:45 UTC on August 15, 2022. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 23:39:34 UTC | 3.0ml | 58 km S of Whites City, New Mexico 31.646°, -104.401° | 7.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 58 km S of Whites City, New Mexico on August 15, 2022 at 23:39 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 23:36:33 UTC | 3.3md | 53 km WSW of Stella, Puerto Rico 18.099°, -67.691° | 30.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 53 km WSW of Stella, Puerto Rico came in on August 15, 2022 at 23:36 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 23:05:07 UTC | 2.2ml | 296 km SW of Adak, Alaska 50.023°, -179.671° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022 at 23:05 UTC, a magnitude 2.2 earthquake struck 296 km SW of Adak, Alaska. It arrived roughly 17 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 22:51:36 UTC | 2.7ml | 45 km SSE of Nelchina, Alaska 61.602°, -146.545° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 45 km SSE of Nelchina, Alaska on August 15, 2022 at 22:51 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 22:31:58 UTC | 2.3ml | 25 km WSW of Coyanosa, Texas 31.126°, -103.296° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
At 22:31 UTC on August 15, 2022, a magnitude 2.3 tremor occurred 25 km WSW of Coyanosa, Texas. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 22:17:34 UTC | 4.9mb | 147 km SE of Hihifo, Tonga -16.795°, -172.722° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022, worldwide seismic activity registered a magnitude 4.9 earthquake 147 km SE of Hihifo, Tonga at 22:17 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 22:15:50 UTC | 4.4mb | 45 km N of Bor?zj?n, Iran 29.677°, 51.164° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 45 km N of Bor?zj?n, Iran on August 15, 2022 at 22:15 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 21:35:04 UTC | 4.6mb | Vanuatu -15.896°, 167.164° | 16.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake near Vanuatu came in on August 15, 2022 at 21:35 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 21:09:53 UTC | 3.4md | Mona Passage 18.255°, -67.900° | 117.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected near Mona Passage on August 15, 2022, with origin time 21:09 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 20:54:09 UTC | 4.3mb | 223 km E of Levuka, Fiji -17.974°, -178.575° | 558.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022, worldwide seismic activity registered a magnitude 4.3 earthquake 223 km E of Levuka, Fiji at 20:54 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. | ||||||||
2022-08-15 2022-08-15 20:51:57 UTC | 2.1ml | 58 km NNW of Petersville, Alaska 63.001°, -151.042° | 109.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 58 km NNW of Petersville, Alaska with origin time 20:51 UTC on August 15, 2022. It arrived roughly 13 hours after a larger magnitude 3.9 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. | ||||||||
2022-08-15 2022-08-15 20:44:06 UTC | 2.0ml | 26 km W of Elfin Cove, Alaska 58.148°, -136.792° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 26 km W of Elfin Cove, Alaska on August 15, 2022 at 20:44 UTC. It arrived roughly 3 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 20:27:10 UTC | 4.5mb | 75 km ESE of Lakatoro, Vanuatu -16.271°, 168.104° | 194.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022 at 20:27 UTC, a magnitude 4.5 earthquake struck 75 km ESE of Lakatoro, Vanuatu. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 20:22:28 UTC | 2.4ml | 36 km W of Challis, Idaho 44.555°, -114.688° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 36 km W of Challis, Idaho came in on August 15, 2022 at 20:22 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 20:21:19 UTC | 4.4mb | Izu Islands, Japan region 32.406°, 142.361° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2022 brought a magnitude 4.4 earthquake in the Izu Islands, Japan region, logged at 20:21 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 20:12:40 UTC | 4.4mb | south of the Kermadec Islands -32.741°, -178.901° | 40.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022 at 20:12 UTC, a magnitude 4.4 earthquake struck south of the Kermadec Islands. It arrived roughly 16 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 19:59:54 UTC | 2.0ml | 123 km S of McCarthy, Alaska 60.326°, -143.124° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2022 brought a magnitude 2.0 earthquake 123 km S of McCarthy, Alaska, logged at 19:59 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. | ||||||||
2022-08-15 2022-08-15 19:23:44 UTC | 2.2ml | 19 km N of Four Mile Road, Alaska 64.775°, -149.083° | 22.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 19 km N of Four Mile Road, Alaska on August 15, 2022 at 19:23 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 19:21:15 UTC | 4.7mb | 161 km SE of Kuril’sk, Russia 44.331°, 149.484° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake 161 km SE of Kuril’sk, Russia with origin time 19:21 UTC on August 15, 2022. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 19:19:15 UTC | 4.5mb | south of the Kermadec Islands -32.685°, -178.988° | 36.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded south of the Kermadec Islands on August 15, 2022 at 19:19 UTC. It arrived roughly 15 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 18:33:18 UTC | 2.3md | 4 km SW of Indios, Puerto Rico 17.967°, -66.849° | 15.4 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2022 brought a magnitude 2.3 earthquake 4 km SW of Indios, Puerto Rico, logged at 18:33 UTC. Coming 12 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 18:06:51 UTC | 3.2ml | Southeastern Alaska 58.137°, -136.794° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2022 brought a magnitude 3.2 earthquake near Southeastern Alaska, logged at 18:06 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 M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 17:57:39 UTC | 4.7mb | 110 km W of Ternate, Indonesia 0.870°, 126.391° | 42.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2022, worldwide seismic activity registered a magnitude 4.7 earthquake 110 km W of Ternate, Indonesia at 17:57 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 17:53:25 UTC | 4.3mb | 217 km E of Levuka, Fiji -17.792°, -178.648° | 537.7 km | - | - | - | ✓ Reviewed | USGS → |
At 17:53 UTC on August 15, 2022, a magnitude 4.3 tremor occurred 217 km E of Levuka, Fiji. 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. | ||||||||
2022-08-15 2022-08-15 17:34:10 UTC | 4.0mb | 92 km E of Sungai Penuh, Indonesia -2.217°, 102.204° | 222.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.0 earthquake 92 km E of Sungai Penuh, Indonesia with origin time 17:34 UTC on August 15, 2022. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 17:22:29 UTC | 4.1mb | 281 km WNW of Haveluloto, Tonga -20.201°, -177.722° | 494.8 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2022 brought a magnitude 4.1 earthquake 281 km WNW of Haveluloto, Tonga, logged at 17:22 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-15 2022-08-15 16:52:45 UTC | 2.5md | 27km WSW of Hayfork, CA 40.432°, -123.454° | 27.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 27km WSW of Hayfork, CA on August 15, 2022 at 16:52 UTC. See the M2.5 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 15, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.