Earthquakes on August 28, 2024
325
EARTHQUAKES on August 28, 2024
24-hour UTC period · USGS data
26 km deep · 105 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
26
M3.0–3.9
10
M2.0–2.9
60
M1.0–1.9
227
Activity Summary
325
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.1
56 km SSW of La Libertad, El Salvador
21:57 UTC · 26.4 km deep
Felt by 105
5.1
13 km NE of Kastrí, Greece
16:29 UTC · 54.8 km deep
Felt by 35
4.9
29 km WSW of Port-Olry, Vanuatu
05:27 UTC · 10.0 km deep
4.8
43 km SW of Burias, Philippines
15:47 UTC · 65.7 km deep
Felt by 6
4.8
113 km E of Vallenar, Chile
02:44 UTC · 96.2 km deep
4.7
Izu Islands, Japan region
03:38 UTC · 10.0 km deep
4.6
87 km NW of Talcahuano, Chile
16:13 UTC · 21.2 km deep
Felt by 2
4.6
208 km WSW of Huarmey, Peru
16:03 UTC · 10.0 km deep
Earthquake Map — August 28, 2024

All Earthquakes — August 28, 2024
Showing 30 of 98 (filtered from 325)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-08-28 2024-08-28 23:52:18 UTC | 2.4md | 23 km E of Pāhala, Hawaii 19.211°, -155.254° | 43.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 23 km E of Pāhala, Hawaii came in on August 28, 2024 at 23:52 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 23:50:50 UTC | 2.1md | 24 km E of Pāhala, Hawaii 19.214°, -155.242° | 44.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 24 km E of Pāhala, Hawaii on August 28, 2024, with origin time 23:50 UTC. Coming 2 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 23:40:55 UTC | 2.2ml | 22 km E of Pāhala, Hawaii 19.183°, -155.263° | 47.1 km | - | - | - | Auto | USGS → |
On August 28, 2024, worldwide seismic activity registered a magnitude 2.2 earthquake 22 km E of Pāhala, Hawaii at 23:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 23:30:31 UTC | 2.1md | 20 km NNW of Truckee, CA 39.486°, -120.296° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 20 km NNW of Truckee, CA came in on August 28, 2024 at 23:30 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 23:26:18 UTC | 2.1ml | 5 km NW of Boron, CA 35.032°, -117.692° | -0.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 5 km NW of Boron, CA came in on August 28, 2024 at 23:26 UTC. 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. | ||||||||
2024-08-28 2024-08-28 23:06:47 UTC | 4.3mb | south of the Fiji Islands -24.350°, 179.877° | 511.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place south of the Fiji Islands on August 28, 2024 at 23:06 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. | ||||||||
2024-08-28 2024-08-28 22:55:39 UTC | 2.1ml | 72 km SE of Akutan, Alaska 53.670°, -165.009° | 63.5 km | - | - | - | ✓ Reviewed | USGS → |
August 28, 2024 brought a magnitude 2.1 earthquake 72 km SE of Akutan, Alaska, logged at 22:55 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 22:16:44 UTC | 4.1mb | 144 km NW of Ternate, Indonesia 1.843°, 126.612° | 34.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:16 UTC on August 28, 2024, a magnitude 4.1 tremor occurred 144 km NW of Ternate, Indonesia. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 22:16:31 UTC | 2.2ml | 11 km NNE of Point Possession, Alaska 61.017°, -150.592° | 59.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 11 km NNE of Point Possession, Alaska came in on August 28, 2024 at 22:16 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 22:14:40 UTC | 4.3mb | 71 km SSW of La Libertad, El Salvador 12.902°, -89.609° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
August 28, 2024 brought a magnitude 4.3 earthquake 71 km SSW of La Libertad, El Salvador, logged at 22:14 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 1 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 21:57:54 UTC | 6.1mww | 56 km SSW of La Libertad, El Salvador 13.047°, -89.583° | 26.4 km | 105 | IV | green | ✓ Reviewed | USGS → |
On August 28, 2024 at 21:57 UTC, a magnitude 6.1 earthquake struck 56 km SSW of La Libertad, El Salvador. 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 August 28, 2024. See the M6.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 21:49:19 UTC | 2.4ml | 56 km S of Whites City, New Mexico 31.667°, -104.354° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 56 km S of Whites City, New Mexico at 21:49 UTC on August 28, 2024. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 21:47:35 UTC | 2.2ml | 8 km NE of Pāhala, Hawaii 19.247°, -155.412° | 33.3 km | - | - | - | Auto | USGS → |
On August 28, 2024, worldwide seismic activity registered a magnitude 2.2 earthquake 8 km NE of Pāhala, Hawaii at 21:47 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 21:44:56 UTC | 4.0mb | 138 km S of Hihifo, Tonga -17.189°, -173.999° | 102.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 138 km S of Hihifo, Tonga came in on August 28, 2024 at 21:44 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 21:39:46 UTC | 2.0ml | 22 km NNE of Point Possession, Alaska 61.105°, -150.490° | 12.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 22 km NNE of Point Possession, Alaska with origin time 21:39 UTC on August 28, 2024. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 21:03:12 UTC | 2.3ml | 23 km SW of Ocotillo Wells, CA 32.975°, -116.280° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2024 at 21:03 UTC, a magnitude 2.3 earthquake struck 23 km SW of Ocotillo Wells, CA. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 20:42:01 UTC | 4.3mb | 11 km SSE of Áno Kastrítsi, Greece 38.180°, 21.902° | 59.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2024 at 20:42 UTC, a magnitude 4.3 earthquake struck 11 km SSE of Áno Kastrítsi, Greece. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 20:29:03 UTC | 4.5mb | south of the Fiji Islands -23.625°, 179.986° | 541.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2024 at 20:29 UTC, a magnitude 4.5 earthquake struck south of the Fiji Islands. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 20:14:52 UTC | 4.4mwr | 17 km NNE of Hualien City, Taiwan 24.119°, 121.668° | 31.3 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 17 km NNE of Hualien City, Taiwan on August 28, 2024, with origin time 20:14 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 20:13:28 UTC | 2.2md | 1 km NNW of Indios, Puerto Rico 18.006°, -66.822° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 1 km NNW of Indios, Puerto Rico with origin time 20:13 UTC on August 28, 2024. Coming 15 hours after a magnitude 3.5 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. | ||||||||
2024-08-28 2024-08-28 20:01:14 UTC | 3.3ml | 8 km ESE of Wright, Wyoming 43.727°, -105.396° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:01 UTC on August 28, 2024, a magnitude 3.3 tremor occurred 8 km ESE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 19:58:55 UTC | 3.3ml | 55 km S of Whites City, New Mexico 31.676°, -104.371° | 6.2 km | - | III | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 55 km S of Whites City, New Mexico at 19:58 UTC on August 28, 2024. Coming 1 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 19:57:22 UTC | 3.9ml | 56 km S of Whites City, New Mexico 31.663°, -104.363° | 6.8 km | - | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.9 seismic event took place 56 km S of Whites City, New Mexico on August 28, 2024 at 19:57 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 19:42:58 UTC | 2.7ml | 46 km SE of Atka, Alaska 51.931°, -173.681° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
At 19:42 UTC on August 28, 2024, a magnitude 2.7 tremor occurred 46 km SE of Atka, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 19:39:26 UTC | 2.2ml | 93 km SSW of False Pass, Alaska 54.031°, -163.703° | 51.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 93 km SSW of False Pass, Alaska on August 28, 2024 at 19:39 UTC. Coming 10 hours after a magnitude 2.8 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. | ||||||||
2024-08-28 2024-08-28 19:32:52 UTC | 2.5ml | 123 km SSE of McCarthy, Alaska 60.462°, -141.812° | 0.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2024 at 19:32 UTC, a magnitude 2.5 earthquake struck 123 km SSE of McCarthy, Alaska. 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 19:00:58 UTC | 3.1ml | 28 km SE of Wright, Wyoming 43.580°, -105.224° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected 28 km SE of Wright, Wyoming on August 28, 2024, with origin time 19:00 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 16:59:51 UTC | 2.2ml | 8 km SE of Katie, Oklahoma 34.531°, -97.281° | 1.3 km | 1 | - | - | ✓ Reviewed | USGS → |
At 16:59 UTC on August 28, 2024, a magnitude 2.2 tremor occurred 8 km SE of Katie, Oklahoma. 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. | ||||||||
2024-08-28 2024-08-28 16:50:40 UTC | 2.5ml | 55 km S of Whites City, New Mexico 31.674°, -104.375° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 55 km S of Whites City, New Mexico on August 28, 2024 at 16:50 UTC. 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-28 2024-08-28 16:47:47 UTC | 4.1mb | 21 km SSE of Chóra Sfakíon, Greece 35.023°, 24.215° | 42.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 21 km SSE of Chóra Sfakíon, Greece at 16:47 UTC on August 28, 2024. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 1 hours earlier. See the M4.1 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 28, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.