Earthquakes on August 12, 2026
251
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
18
M2.0–2.9
43
M1.0–1.9
153
Activity Summary
251
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 98 (filtered from 251)
(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 → |
A magnitude 2.7 earthquake was recorded 32 km NNW of Covelo, CA on August 12, 2026 at 23:27 UTC. 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 → |
At 23:07 UTC on August 12, 2026, a magnitude 2.3 tremor occurred 5 km E of Mount Pleasant, Utah. 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 22:58:21 UTC | 2.1ml | 27 km E of Honaunau-Napoopoo, Hawaii 19.482°, -155.603° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 27 km E of Honaunau-Napoopoo, Hawaii with origin time 22:58 UTC on August 12, 2026. 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 22:26:19 UTC | 2.1ml | 39 km ENE of McKinney Acres, Texas 32.408°, -102.127° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
At 22:26 UTC on August 12, 2026, a magnitude 2.1 tremor occurred 39 km ENE of McKinney Acres, Texas. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 22:22:56 UTC | 4.3mb | south of Tonga -24.032°, -175.828° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2026 brought a magnitude 4.3 earthquake south of Tonga, logged at 22:22 UTC. See the M4.3 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 → |
The USGS recorded this magnitude 2.3 earthquake 28 km W of Petrolia, CA at 21:47 UTC on August 12, 2026. 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 → |
On August 12, 2026 at 21:41 UTC, a magnitude 2.1 earthquake struck 9 km ENE of Morgan Hill, CA. 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 → |
Seismographs logged a magnitude 2.7 earthquake 18 km WNW of Ivanof Bay, Alaska with origin time 21:36 UTC on August 12, 2026. 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 → |
The USGS recorded this magnitude 2.1 earthquake 7 km SE of Maria Antonia, Puerto Rico at 21:34 UTC on August 12, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 9 hours earlier. 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 → |
At 21:26 UTC on August 12, 2026, a magnitude 4.4 tremor occurred north of Ascension Island. 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 → |
The USGS recorded this magnitude 4.4 earthquake 16 km SW of Honmachi, Japan at 21:21 UTC on August 12, 2026. It arrived roughly 17 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 21:16:23 UTC | 3.0ml | Rat Islands, Aleutian Islands, Alaska 53.166°, 178.130° | 110.6 km | - | I | - | ✓ Reviewed | USGS → |
On August 12, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake near Rat Islands, Aleutian Islands, Alaska at 21:16 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-12 2026-08-12 21:16:18 UTC | 3.1ml | 236 km E of Attu Station, Alaska 52.525°, 176.640° | 150.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 236 km E of Attu Station, Alaska on August 12, 2026 at 21:16 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 21:09:57 UTC | 2.4ml | 14 km SE of Pearsall, Texas 28.798°, -98.998° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2026 at 21:09 UTC, a magnitude 2.4 earthquake struck 14 km SE of Pearsall, Texas. 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 20:58:34 UTC | 4.6mb | 237 km SSW of ‘Ohonua, Tonga -23.375°, -175.681° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 237 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 → |
On August 12, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 9 km SW of Valencia, CA at 20:56 UTC. 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 → |
A magnitude 2.0 earthquake was recorded 100 km E of Nikolski, Alaska on August 12, 2026 at 20:07 UTC. 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 → |
This magnitude 4.4 event was detected near Banda Sea on August 12, 2026, with origin time 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 → |
Reports of a magnitude 2.8 earthquake 75 km SE of Atka, Alaska came in on August 12, 2026 at 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 | 2.3ml | 10 km E of Pāhala, Hawaii 19.204°, -155.376° | 30.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 10 km E of Pāhala, Hawaii on August 12, 2026, with origin time 18:31 UTC. 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 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 → |
August 12, 2026 brought a magnitude 2.1 earthquake 10 km WSW of Corona, CA, logged at 16:37 UTC. Coming 10 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
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.