Earthquakes on August 12, 2026
248
EARTHQUAKES on August 12, 2026
24-hour UTC period · USGS data
LARGEST: M6.0 — South Sandwich Islands region
10 km deep0
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
31
M3.0–3.9
17
M2.0–2.9
43
M1.0–1.9
151
Activity Summary
248
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.0
South Sandwich Islands region
11:47 UTC · 10.0 km deep
05.3
South Sandwich Islands region
11:49 UTC · 13.0 km deep
5.2
42 km ESE of Naalehu, Hawaii
03:48 UTC · 10.7 km deep
Felt by 35
5.1
225 km E of Levuka, Fiji
22:13 UTC · 583.9 km deep
5.1
Pacific-Antarctic Ridge
05:11 UTC · 10.0 km deep
5.0
69 km E of Chayek, Kyrgyzstan
07:14 UTC · 10.0 km deep
Felt by 2
4.9
7 km WSW of Honmachi, Japan
04:05 UTC · 10.0 km deep
Felt by 2
4.7
31 km E of Basco, Philippines
21:25 UTC · 10.0 km deep
Earthquake Map — August 12, 2026
All Earthquakes — August 12, 2026
Showing 30 of 97 (filtered from 248)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-12 2026-08-12 23:27:29 UTC | 2.7md | 32 km NNW of Covelo, CA 40.030°, -123.455° | 8.4 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 12, 2026 at 23:27 UTC, a magnitude 2.7 earthquake struck 32 km NNW of Covelo, CA. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 23:07:49 UTC | 2.3ml | 5 km E of Mount Pleasant, Utah 39.556°, -111.396° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km E of Mount Pleasant, Utah at 23:07 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. | ||||||||
2026-08-12 2026-08-12 22:26:19 UTC | 2.1ml | 39 km ENE of McKinney Acres, Texas 32.408°, -102.127° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 39 km ENE of McKinney Acres, Texas at 22:26 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 22:22:46 UTC | 4.4mb | south of Tonga -25.532°, -174.800° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:22 UTC on August 12, 2026, a magnitude 4.4 tremor occurred south of Tonga. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 22:13:34 UTC | 5.1mb | 225 km E of Levuka, Fiji -17.814°, -178.570° | 583.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026, worldwide seismic activity registered a magnitude 5.1 earthquake 225 km E of Levuka, Fiji at 22:13 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:47:27 UTC | 2.3md | 28 km W of Petrolia, CA 40.280°, -124.607° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
At 21:47 UTC on August 12, 2026, a magnitude 2.3 tremor occurred 28 km W of Petrolia, CA. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:41:11 UTC | 2.1md | 9 km ENE of Morgan Hill, CA 37.164°, -121.567° | 4.1 km | 4 | - | - | ✓ Reviewed | USGS → |
August 12, 2026 brought a magnitude 2.1 earthquake 9 km ENE of Morgan Hill, CA, logged at 21:41 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. | ||||||||
2026-08-12 2026-08-12 21:36:20 UTC | 2.7ml | 18 km WNW of Ivanof Bay, Alaska 55.960°, -159.756° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 18 km WNW of Ivanof Bay, Alaska on August 12, 2026 at 21:36 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:34:12 UTC | 2.1md | 7 km SE of Maria Antonia, Puerto Rico 17.930°, -66.841° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
At 21:34 UTC on August 12, 2026, a magnitude 2.1 tremor occurred 7 km SE of Maria Antonia, Puerto Rico. It arrived roughly 9 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:28:32 UTC | 4.0mb | 198 km NW of Oula Xiuma, China 35.332°, 99.397° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026, worldwide seismic activity registered a magnitude 4.0 earthquake 198 km NW of Oula Xiuma, China at 21:28 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:26:50 UTC | 4.4mb | north of Ascension Island -0.114°, -17.870° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake north of Ascension Island at 21:26 UTC on August 12, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:25:20 UTC | 4.7mb | 31 km E of Basco, Philippines 20.475°, 122.267° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 31 km E of Basco, Philippines came in on August 12, 2026 at 21:25 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:21:28 UTC | 4.4mwr | 16 km SW of Honmachi, Japan 32.421°, 130.454° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 16 km SW of Honmachi, Japan on August 12, 2026, with origin time 21:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 17 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:16:13 UTC | 3.3ml | 263 km ENE of Attu Station, Alaska 53.429°, 177.004° | 164.3 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 263 km ENE of Attu Station, Alaska on August 12, 2026 at 21:16 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:09:57 UTC | 2.4ml | 14 km SE of Pearsall, Texas 28.798°, -98.998° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2026 brought a magnitude 2.4 earthquake 14 km SE of Pearsall, Texas, logged at 21:09 UTC. 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. | ||||||||
2026-08-12 2026-08-12 20:58:33 UTC | 4.6mb | 240 km SSW of ‘Ohonua, Tonga -23.428°, -175.594° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 240 km SSW of ‘Ohonua, Tonga on August 12, 2026 at 20:58 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 20:56:29 UTC | 2.6ml | 9 km SW of Valencia, CA 34.385°, -118.629° | 4.2 km | 48 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 9 km SW of Valencia, CA with origin time 20:56 UTC on August 12, 2026. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 20:07:42 UTC | 4.3mb | 150 km NE of Tual, Indonesia -4.729°, 133.772° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026 at 20:07 UTC, a magnitude 4.3 earthquake struck 150 km NE of Tual, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 20:07:39 UTC | 2.0ml | 100 km E of Nikolski, Alaska 52.795°, -167.395° | 23.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026 at 20:07 UTC, a magnitude 2.0 earthquake struck 100 km E of Nikolski, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 20:03:55 UTC | 3.6mb | 96 km SSE of Sand Point, Alaska 54.536°, -159.903° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.6 seismic event took place 96 km SSE of Sand Point, Alaska on August 12, 2026 at 20:03 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 19:54:23 UTC | 4.3mb | 15 km WSW of Hengchun, Taiwan 21.970°, 120.603° | 28.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 15 km WSW of Hengchun, Taiwan on August 12, 2026 at 19:54 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 18:58:27 UTC | 4.4mb | Banda Sea -6.564°, 129.462° | 193.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Banda Sea came in on August 12, 2026 at 18:58 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 18:34:07 UTC | 2.8ml | 75 km SE of Atka, Alaska 51.664°, -173.529° | 32.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 75 km SE of Atka, Alaska on August 12, 2026, with origin time 18:34 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 18:31:55 UTC | 2.4ml | 10 km E of Pāhala, Hawaii 19.197°, -155.378° | 29.6 km | - | - | - | Auto | USGS → |
On August 12, 2026 at 18:31 UTC, a magnitude 2.4 earthquake struck 10 km E of Pāhala, Hawaii. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 18:28:30 UTC | 4.2mb | 35 km ESE of Chuquitira, Peru -17.352°, -69.720° | 158.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:28 UTC on August 12, 2026, a magnitude 4.2 tremor occurred 35 km ESE of Chuquitira, Peru. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 17:27:35 UTC | 3.1ml | 117 km S of Sand Point, Alaska 54.278°, -160.556° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2026 brought a magnitude 3.1 earthquake 117 km S of Sand Point, Alaska, logged at 17:27 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 16:37:01 UTC | 2.1ml | 10 km WSW of Corona, CA 33.831°, -117.665° | 4.1 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 10 km WSW of Corona, CA on August 12, 2026 at 16:37 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 10 hours earlier. 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. | ||||||||
2026-08-12 2026-08-12 16:32:41 UTC | 4.0mb | Fiji region -20.935°, -178.480° | 558.6 km | - | - | - | ✓ Reviewed | USGS → |
At 16:32 UTC on August 12, 2026, a magnitude 4.0 tremor occurred in the Fiji region. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 16:21:09 UTC | 2.2md | 25 km NNW of Pāhala, Hawaii 19.419°, -155.575° | 45.3 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 25 km NNW of Pāhala, Hawaii on August 12, 2026, with origin time 16:21 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 15:15:33 UTC | 2.8ml | 97 km SSW of Unalaska, Alaska 53.013°, -166.836° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 97 km SSW of Unalaska, Alaska came in on August 12, 2026 at 15:15 UTC. See the M2.8 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 12, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.