Earthquakes on August 16, 2026
257
EARTHQUAKES on August 16, 2026
24-hour UTC period · USGS data
146 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
69
M3.0–3.9
14
M2.0–2.9
40
M1.0–1.9
127
Activity Summary
257
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.1
63 km NNE of Port-Olry, Vanuatu
03:20 UTC · 146.0 km deep
Felt by 1
5.5
118 km ESE of Madang, Papua New Guinea
10:59 UTC · 137.2 km deep
Felt by 2
5.5
78 km N of Ruteng, Indonesia
06:51 UTC · 10.8 km deep
5.3
106 km SW of Puerto Madero, Mexico
15:52 UTC · 10.0 km deep
5.3
77 km NNE of Ruteng, Indonesia
10:14 UTC · 10.0 km deep
5.2
84 km N of Ruteng, Indonesia
10:31 UTC · 10.0 km deep
5.0
75 km N of Ruteng, Indonesia
13:38 UTC · 10.0 km deep
4.9
76 km N of Ruteng, Indonesia
17:26 UTC · 10.2 km deep
Earthquake Map — August 16, 2026
All Earthquakes — August 16, 2026
Showing 30 of 130 (filtered from 257)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-16 2026-08-16 23:57:43 UTC | 2.3md | 6 km S of Pāhala, Hawaii 19.141°, -155.488° | 31.3 km | - | - | - | Auto | USGS → |
August 16, 2026 brought a magnitude 2.3 earthquake 6 km S of Pāhala, Hawaii, logged at 23:57 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 23:29:07 UTC | 4.2mb | 27 km E of Ruteng, Indonesia -8.606°, 120.716° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 27 km E of Ruteng, Indonesia at 23:29 UTC on August 16, 2026. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 15 hours earlier. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 22:44:21 UTC | 4.3mb | 57 km E of Ruteng, Indonesia -8.633°, 120.983° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 57 km E of Ruteng, Indonesia at 22:44 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 22:22:35 UTC | 3.9mb | 132 km S of Baubau, Indonesia -6.659°, 122.495° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.9 event was detected 132 km S of Baubau, Indonesia on August 16, 2026, with origin time 22:22 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 22:22:07 UTC | 3.6mb | 37 km SW of Sevastopol, Ukraine 44.401°, 33.146° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 37 km SW of Sevastopol, Ukraine came in on August 16, 2026 at 22:22 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 22:02:28 UTC | 4.4mb | 181 km W of Abepura, Indonesia -2.661°, 139.003° | 32.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 181 km W of Abepura, Indonesia on August 16, 2026 at 22:02 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:53:05 UTC | 4.3mb | 123 km SSE of Baubau, Indonesia -6.537°, 122.919° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:53 UTC on August 16, 2026, a magnitude 4.3 tremor occurred 123 km SSE of Baubau, Indonesia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:48:42 UTC | 4.4mb | 44 km N of Ruteng, Indonesia -8.211°, 120.493° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 44 km N of Ruteng, Indonesia with origin time 21:48 UTC on August 16, 2026. Coming 3 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:43:09 UTC | 4.1mb | 120 km SW of Brisas Barra de Suchiate, Mexico 13.701°, -92.936° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 120 km SW of Brisas Barra de Suchiate, Mexico at 21:43 UTC on August 16, 2026. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:37:17 UTC | 4.0mb | 7 km SSW of Maebaru-chūō, Japan 33.499°, 130.172° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.0 earthquake 7 km SSW of Maebaru-chūō, Japan at 21:37 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:28:19 UTC | 4.4mb | Kepulauan Babar, Indonesia -7.096°, 129.539° | 166.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake near Kepulauan Babar, Indonesia at 21:28 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:06:07 UTC | 4.5mb | 99 km W of San Antonio de los Cobres, Argentina -24.352°, -67.284° | 174.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026 at 21:06 UTC, a magnitude 4.5 earthquake struck 99 km W of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 20:35:29 UTC | 2.8ml | 6 km SE of Ontario, CA 34.011°, -117.589° | 5.6 km | 128 | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 2.8 earthquake 6 km SE of Ontario, CA at 20:35 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 20:32:09 UTC | 2.6md | 9 km W of Rincón, Puerto Rico 18.351°, -67.344° | 23.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 9 km W of Rincón, Puerto Rico on August 16, 2026 at 20:32 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 20:21:46 UTC | 2.5md | 48 km W of Ferndale, CA 40.494°, -124.817° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 48 km W of Ferndale, CA came in on August 16, 2026 at 20:21 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 19:51:25 UTC | 4.5mb | South Atlantic Ocean -22.569°, -20.217° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded near South Atlantic Ocean on August 16, 2026 at 19:51 UTC. It arrived roughly 3 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. | ||||||||
2026-08-16 2026-08-16 19:06:04 UTC | 4.6mb | 53 km N of Ruteng, Indonesia -8.131°, 120.526° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 53 km N of Ruteng, Indonesia with origin time 19:06 UTC on August 16, 2026. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 18:56:55 UTC | 2.4md | 35 km WNW of Ferndale, CA 40.695°, -124.650° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 35 km WNW of Ferndale, CA at 18:56 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 18:38:02 UTC | 2.2md | 7 km SSW of Capitanejo, Puerto Rico 17.960°, -66.571° | 15.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 7 km SSW of Capitanejo, Puerto Rico with origin time 18:38 UTC on August 16, 2026. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 18:18:55 UTC | 3.2md | 27 km ESE of Cruz Bay, U.S. Virgin Islands 18.213°, -64.562° | 29.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 27 km ESE of Cruz Bay, U.S. Virgin Islands on August 16, 2026 at 18:18 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 17:36:06 UTC | 2.6md | 70 km W of Petrolia, CA 40.405°, -125.106° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 16, 2026 brought a magnitude 2.6 earthquake 70 km W of Petrolia, CA, logged at 17:36 UTC. It arrived roughly 16 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 17:26:14 UTC | 4.9mb | 76 km N of Ruteng, Indonesia -7.918°, 120.449° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake 76 km N of Ruteng, Indonesia came in on August 16, 2026 at 17:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 11 hours earlier. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 17:11:07 UTC | 4.9mb | South Atlantic Ocean -22.523°, -20.262° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place near South Atlantic Ocean on August 16, 2026 at 17:11 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 17:10:51 UTC | 4.2mb | 92 km WSW of Puerto Madero, Mexico 14.264°, -93.141° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 92 km WSW of Puerto Madero, Mexico on August 16, 2026, with origin time 17:10 UTC. Coming 1 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 16:57:32 UTC | 4.5mb | 50 km NW of Valparaíso, Chile -32.733°, -72.039° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 50 km NW of Valparaíso, Chile with origin time 16:57 UTC on August 16, 2026. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 16:44:26 UTC | 2.3md | 37 km NNE of Amboy, Washington 46.199°, -122.192° | -1.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026 at 16:44 UTC, a magnitude 2.3 earthquake struck 37 km NNE of Amboy, Washington. 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. | ||||||||
2026-08-16 2026-08-16 16:40:37 UTC | 4.6mb | 48 km NW of San Antonio de los Cobres, Argentina -23.879°, -66.623° | 200.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake 48 km NW of San Antonio de los Cobres, Argentina at 16:40 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 16:32:52 UTC | 4.4mwr | 51 km NW of Valparaíso, Chile -32.732°, -72.042° | 17.2 km | - | - | - | ✓ Reviewed | USGS → |
At 16:32 UTC on August 16, 2026, a magnitude 4.4 tremor occurred 51 km NW of Valparaíso, Chile. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 16:24:28 UTC | 2.4ml | 18 km SW of Cooper Landing, Alaska 60.378°, -150.078° | 34.7 km | - | - | - | ✓ Reviewed | USGS → |
At 16:24 UTC on August 16, 2026, a magnitude 2.4 tremor occurred 18 km SW of Cooper Landing, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 15:58:55 UTC | 4.4mb | 81 km N of Ruteng, Indonesia -7.881°, 120.394° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 81 km N of Ruteng, Indonesia at 15:58 UTC on August 16, 2026. Coming 9 hours after a magnitude 5.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 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 16, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.