Earthquakes on August 16, 2026
257
EARTHQUAKES on August 16, 2026
24-hour UTC period · USGS data
187 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
70
M3.0–3.9
13
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
55 km NNE of Port-Olry, Vanuatu
03:20 UTC · 186.6 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
79 km N of Ruteng, Indonesia
06:51 UTC · 11.5 km deep
5.3
106 km SW of Puerto Madero, Mexico
15:52 UTC · 10.0 km deep
5.3
75 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 → |
A magnitude 2.3 seismic event took place 6 km S of Pāhala, Hawaii on August 16, 2026 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 → |
Reports of a magnitude 3.9 earthquake 132 km S of Baubau, Indonesia came in on August 16, 2026 at 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 | 4.1mb | 37 km WSW of Balaklava, Ukraine 44.391°, 33.162° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 37 km WSW of Balaklava, Ukraine at 22:22 UTC on August 16, 2026. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 22:02:28 UTC | 4.4mb | 183 km W of Abepura, Indonesia -2.612°, 138.984° | 36.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake 183 km W of Abepura, Indonesia 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 | 4.5mb | 131 km SSE of Baubau, Indonesia -6.616°, 122.887° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026 at 21:53 UTC, a magnitude 4.5 earthquake struck 131 km SSE of Baubau, Indonesia. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 21:48:42 UTC | 4.4mb | 50 km N of Ruteng, Indonesia -8.155°, 120.527° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:48 UTC on August 16, 2026, a magnitude 4.4 tremor occurred 50 km N of Ruteng, Indonesia. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 3 hours earlier. 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 21:43:12 UTC | 4.0mb | 118 km SW of Brisas Barra de Suchiate, Mexico 13.726°, -92.939° | 49.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.0 earthquake 118 km SW of Brisas Barra de Suchiate, Mexico at 21:43 UTC. The event was offshore. See the M4.0 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 → |
At 21:37 UTC on August 16, 2026, a magnitude 4.0 tremor occurred 7 km SSW of Maebaru-chūō, Japan. 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 → |
The USGS recorded this magnitude 4.4 earthquake near Kepulauan Babar, Indonesia at 21:28 UTC on August 16, 2026. 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 → |
A magnitude 4.5 earthquake was recorded 99 km W of San Antonio de los Cobres, Argentina on August 16, 2026 at 21:06 UTC. 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 → |
Seismographs logged a magnitude 4.5 earthquake near South Atlantic Ocean with origin time 19:51 UTC on August 16, 2026. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 3 hours earlier. 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 → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake 53 km N of Ruteng, Indonesia at 19:06 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 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 → |
On August 16, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake 50 km NW of Valparaíso, Chile at 16:57 UTC. Coming 1 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
August 16, 2026 brought a magnitude 2.3 earthquake 37 km NNE of Amboy, Washington, logged at 16:44 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. | ||||||||
2026-08-16 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 → |
At 16:40 UTC on August 16, 2026, a magnitude 4.6 tremor occurred 48 km NW of San Antonio de los Cobres, Argentina. 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 | 4.8mb | 49 km NW of Valparaíso, Chile -32.721°, -72.010° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 earthquake was recorded 49 km NW of Valparaíso, Chile on August 16, 2026 at 16:32 UTC. The event was offshore. See the M4.8 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 → |
This magnitude 4.4 event was detected 81 km N of Ruteng, Indonesia on August 16, 2026, with origin time 15:58 UTC. It arrived roughly 9 hours after a larger magnitude 5.5 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. | ||||||||
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.