Earthquakes on August 8, 2020
416
EARTHQUAKES on August 8, 2020
24-hour UTC period · USGS data
39 km deep · 7 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
38
M3.0–3.9
17
M2.0–2.9
82
M1.0–1.9
272
Activity Summary
416
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
79 km SSW of Sand Point, Alaska
14:42 UTC · 38.6 km deep
Felt by 7
5.4
140 km SSE of Perryville, Alaska
12:52 UTC · 27.5 km deep
5.3
140 km W of Waingapu, Indonesia
10:45 UTC · 10.0 km deep
5.3
62 km S of Ürümqi, China
00:35 UTC · 10.0 km deep
Felt by 1
5.1
119 km SSW of Komodo, Indonesia
10:24 UTC · 10.0 km deep
5.1
126 km SSW of Komodo, Indonesia
10:17 UTC · 10.0 km deep
5.0
128 km SSW of Komodo, Indonesia
16:32 UTC · 10.0 km deep
4.9
27 km SSW of Tomohon, Indonesia
16:57 UTC · 120.8 km deep
Earthquake Map — August 8, 2020

All Earthquakes — August 8, 2020
Showing 30 of 144 (filtered from 416)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-08 2020-08-08 23:57:26 UTC | 2.0ml | 6km W of Searles Valley, CA 35.772°, -117.469° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 8, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 6km W of Searles Valley, CA at 23:57 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 23:56:23 UTC | 3.1md | 5 km SSW of Indios, Puerto Rico 17.948°, -66.841° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 5 km SSW of Indios, Puerto Rico at 23:56 UTC on August 8, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 11 hours earlier. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 23:45:12 UTC | 3.2md | 7 km SSE of Guánica, Puerto Rico 17.913°, -66.880° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 8, 2020, worldwide seismic activity registered a magnitude 3.2 earthquake 7 km SSE of Guánica, Puerto Rico at 23:45 UTC. Coming 10 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 23:34:56 UTC | 4.8mb | Macquarie Island region -53.989°, 159.035° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 earthquake was recorded in the Macquarie Island region on August 8, 2020 at 23:34 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 23:22:55 UTC | 3.1ml | 6 km SSE of Guánica, Puerto Rico 17.919°, -66.882° | 6.0 km | 1 | II | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected 6 km SSE of Guánica, Puerto Rico on August 8, 2020, with origin time 23:22 UTC. Coming 10 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 23:18:09 UTC | 2.8ml | 19 km SSE of Golfo de Santa Clara, Mexico 31.517°, -114.446° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 19 km SSE of Golfo de Santa Clara, Mexico at 23:18 UTC on August 8, 2020. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 23:00:31 UTC | 4.5mb | 41 km WNW of Hadjout, Algeria 36.667°, 1.986° | 10.0 km | 15 | - | - | ✓ Reviewed | USGS → |
On August 8, 2020 at 23:00 UTC, a magnitude 4.5 earthquake struck 41 km WNW of Hadjout, Algeria. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:59:34 UTC | 4.1mb | 215 km NE of Lospalos, Timor Leste -7.299°, 128.520° | 169.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 8, 2020 at 22:59 UTC, a magnitude 4.1 earthquake struck 215 km NE of Lospalos, Timor Leste. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:54:20 UTC | 4.0ml | 32 km E of Pedro Bay, Alaska 59.770°, -153.525° | 142.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:54 UTC on August 8, 2020, a magnitude 4.0 tremor occurred 32 km E of Pedro Bay, Alaska. A tsunami evaluation was automatically initiated given the magnitude and location. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:40:46 UTC | 2.1md | 6 km ENE of P?hala, Hawaii 19.225°, -155.423° | 32.5 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 6 km ENE of P?hala, Hawaii on August 8, 2020, with origin time 22:40 UTC. Coming 15 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:36:29 UTC | 4.2mb | 135 km SSE of Dompu, Indonesia -9.675°, 118.915° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 135 km SSE of Dompu, Indonesia on August 8, 2020, with origin time 22:36 UTC. It arrived roughly 12 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:29:48 UTC | 4.1mb | Banda Sea -6.253°, 129.981° | 153.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded near Banda Sea on August 8, 2020 at 22:29 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:25:12 UTC | 2.5md | 2 km S of Guánica, Puerto Rico 17.951°, -66.907° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 8, 2020, worldwide seismic activity registered a magnitude 2.5 earthquake 2 km S of Guánica, Puerto Rico at 22:25 UTC. Coming 9 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 22:01:43 UTC | 2.3md | 2 km W of Tallaboa, Puerto Rico 17.994°, -66.736° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 8, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 2 km W of Tallaboa, Puerto Rico at 22:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 21:54:29 UTC | 4.6mb | 123 km WNW of Ternate, Indonesia 1.383°, 126.442° | 46.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 123 km WNW of Ternate, Indonesia on August 8, 2020, with origin time 21:54 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 21:42:22 UTC | 2.6md | 5 km S of Maria Antonia, Puerto Rico 17.925°, -66.879° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:42 UTC on August 8, 2020, a magnitude 2.6 tremor occurred 5 km S of Maria Antonia, Puerto Rico. Coming 8 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 21:04:48 UTC | 2.6md | 6 km SSE of Guánica, Puerto Rico 17.918°, -66.882° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 6 km SSE of Guánica, Puerto Rico on August 8, 2020 at 21:04 UTC. It arrived roughly 8 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 21:03:18 UTC | 4.6mb | 142 km SSW of Komodo, Indonesia -9.767°, 118.972° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 142 km SSW of Komodo, Indonesia came in on August 8, 2020 at 21:03 UTC. Coming 10 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 20:42:46 UTC | 2.8ml | 231 km SE of Chiniak, Alaska 56.337°, -149.275° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 231 km SE of Chiniak, Alaska on August 8, 2020, with origin time 20:42 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 20:34:13 UTC | 2.4md | 2 km SSW of Guayanilla, Puerto Rico 18.000°, -66.797° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 8, 2020 at 20:34 UTC, a magnitude 2.4 earthquake struck 2 km SSW of Guayanilla, Puerto Rico. It arrived roughly 14 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 20:32:26 UTC | 3.7mb | 78 km SW of Nikolski, Alaska 52.369°, -169.544° | 44.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.7 event was detected 78 km SW of Nikolski, Alaska on August 8, 2020, with origin time 20:32 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 20:16:37 UTC | 2.1md | 13km S of Tres Pinos, CA 36.671°, -121.296° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 13km S of Tres Pinos, CA came in on August 8, 2020 at 20:16 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. | ||||||||
2020-08-08 2020-08-08 20:14:58 UTC | 2.7md | 18 km S of Guánica, Puerto Rico 17.808°, -66.896° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 18 km S of Guánica, Puerto Rico on August 8, 2020 at 20:14 UTC. Coming 13 hours after a magnitude 3.1 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 M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 20:01:12 UTC | 2.6ml | 33 km SE of Mina, Nevada 38.167°, -117.852° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 33 km SE of Mina, Nevada came in on August 8, 2020 at 20:01 UTC. Coming 1 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 20:01:09 UTC | 2.3ml | 33 km SE of Mina, Nevada 38.161°, -117.852° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 33 km SE of Mina, Nevada on August 8, 2020 at 20:01 UTC. Coming 1 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 19:44:45 UTC | 3.6ml | 5 km SE of Gramais, Austria 47.236°, 10.585° | 2.3 km | 7 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 5 km SE of Gramais, Austria came in on August 8, 2020 at 19:44 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 19:39:56 UTC | 2.3md | 4 km SW of Tallaboa, Puerto Rico 17.960°, -66.742° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:39 UTC on August 8, 2020, a magnitude 2.3 tremor occurred 4 km SW of Tallaboa, Puerto Rico. Coming 1 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 19:38:47 UTC | 3.0ml | 32 km SE of Mina, Nevada 38.173°, -117.858° | 9.4 km | 3 | - | - | ✓ Reviewed | USGS → |
August 8, 2020 brought a magnitude 3.0 earthquake 32 km SE of Mina, Nevada, logged at 19:38 UTC. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 19:25:39 UTC | 2.3ml | 35 km SE of Mina, Nevada 38.177°, -117.808° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
August 8, 2020 brought a magnitude 2.3 earthquake 35 km SE of Mina, Nevada, logged at 19:25 UTC. It arrived roughly 19 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-08 2020-08-08 18:33:42 UTC | 2.4md | 2 km WSW of Tallaboa, Puerto Rico 17.983°, -66.740° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 2 km WSW of Tallaboa, Puerto Rico on August 8, 2020, with origin time 18:33 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 M2.4 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 8, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.