Earthquakes on August 1, 2020
359
EARTHQUAKES on August 1, 2020
24-hour UTC period · USGS data
483 km deep · 6 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
38
M3.0–3.9
10
M2.0–2.9
78
M1.0–1.9
227
Activity Summary
359
Total earthquakes
~250
Daily average
Elevated
Activity level
6
M5.0+ events
Significant Earthquakes (M4.5+)
6.4
11 km SW of Polloc, Philippines
17:09 UTC · 483.0 km deep
Felt by 6
6.1
199 km SE of Lorengau, Papua New Guinea
19:22 UTC · 10.0 km deep
5.7
207 km SE of Lorengau, Papua New Guinea
19:08 UTC · 10.0 km deep
5.6
189 km SSW of ‘Ohonua, Tonga
19:45 UTC · 20.3 km deep
5.5
southern Mid-Atlantic Ridge
09:17 UTC · 10.0 km deep
5.1
31 km NNE of El Cardo, Peru
08:25 UTC · 79.6 km deep
Felt by 13
4.9
145 km SSW of Gizo, Solomon Islands
12:14 UTC · 10.0 km deep
4.9
Fiji region
08:44 UTC · 564.3 km deep
Earthquake Map — August 1, 2020

All Earthquakes — August 1, 2020
Showing 30 of 132 (filtered from 359)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-01 2020-08-01 23:47:47 UTC | 4.6mb | 120 km ENE of Kashgar, China 39.775°, 77.335° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 120 km ENE of Kashgar, China with origin time 23:47 UTC on August 1, 2020. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 23:28:10 UTC | 2.8ml | 55 km ESE of Sand Point, Alaska 55.173°, -159.678° | 39.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 55 km ESE of Sand Point, Alaska on August 1, 2020 at 23:28 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 23:21:28 UTC | 2.5ml | 54 km E of Pedro Bay, Alaska 59.739°, -153.148° | 101.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 1, 2020 at 23:21 UTC, a magnitude 2.5 earthquake struck 54 km E of Pedro Bay, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 22:50:27 UTC | 2.7md | 8 km WSW of Guánica, Puerto Rico 17.930°, -66.973° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 8 km WSW of Guánica, Puerto Rico on August 1, 2020 at 22:50 UTC. Coming 9 hours after a magnitude 3.3 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. | ||||||||
2020-08-01 2020-08-01 22:48:38 UTC | 2.2ml | 59 km W of Tyonek, Alaska 61.071°, -152.230° | 109.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 1, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 59 km W of Tyonek, Alaska at 22:48 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 22:36:32 UTC | 4.5mb | Mariana Islands region 19.173°, 146.141° | 85.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected in the Mariana Islands region on August 1, 2020, with origin time 22:36 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 22:13:36 UTC | 2.4md | 7 km SSE of Maria Antonia, Puerto Rico 17.919°, -66.855° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 7 km SSE of Maria Antonia, Puerto Rico on August 1, 2020 at 22:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 2 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 22:03:54 UTC | 4.1mb | 63 km WSW of Nchelenge, Zambia -9.501°, 28.175° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 63 km WSW of Nchelenge, Zambia on August 1, 2020, with origin time 22:03 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 22:03:31 UTC | 3.3ml | 15 km ENE of Wright, Wyoming 43.785°, -105.304° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 seismic event took place 15 km ENE of Wright, Wyoming on August 1, 2020 at 22:03 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 21:49:54 UTC | 2.1ml | 99 km SSE of Perryville, Alaska 55.118°, -158.416° | 36.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 99 km SSE of Perryville, Alaska on August 1, 2020 at 21:49 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 21:31:47 UTC | 4.5mb | 50 km SW of Hihifo, Tonga -16.211°, -174.181° | 116.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 50 km SW of Hihifo, Tonga came in on August 1, 2020 at 21:31 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 21:26:11 UTC | 2.2ml | 51 km SSE of Sand Point, Alaska 54.883°, -160.305° | 23.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:26 UTC on August 1, 2020, a magnitude 2.2 tremor occurred 51 km SSE of Sand Point, Alaska. Coming 14 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 21:05:12 UTC | 3.5mb | 95 km ESE of Sand Point, Alaska 54.956°, -159.162° | 28.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 95 km ESE of Sand Point, Alaska at 21:05 UTC on August 1, 2020. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 21:02:45 UTC | 2.1ml | 51 km SSE of Sand Point, Alaska 54.887°, -160.307° | 24.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 51 km SSE of Sand Point, Alaska with origin time 21:02 UTC on August 1, 2020. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 14 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 21:00:59 UTC | 4.2mb | 30 km WSW of Ambunti, Papua New Guinea -4.322°, 142.562° | 102.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 30 km WSW of Ambunti, Papua New Guinea on August 1, 2020 at 21:00 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 20:53:52 UTC | 2.7mb_lg | 11 km NNE of Odessa, Texas 31.933°, -102.306° | 6.3 km | 25 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 11 km NNE of Odessa, Texas at 20:53 UTC on August 1, 2020. Coming 4 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 20:25:47 UTC | 2.3md | 7 km ENE of P?hala, Hawaii 19.226°, -155.411° | 33.2 km | - | - | - | Auto | USGS → |
On August 1, 2020 at 20:25 UTC, a magnitude 2.3 earthquake struck 7 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 20:07:58 UTC | 3.5md | 9 km SSE of Tallaboa, Puerto Rico 17.912°, -66.684° | 31.0 km | 9 | II | green | ✓ Reviewed | USGS → |
At 20:07 UTC on August 1, 2020, a magnitude 3.5 tremor occurred 9 km SSE of Tallaboa, Puerto Rico. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 20:03:07 UTC | 4.2ml | 8 km ENE of P?hala, Hawaii 19.240°, -155.413° | 31.7 km | 192 | IV | green | ✓ Reviewed | USGS → |
On August 1, 2020 at 20:03 UTC, a magnitude 4.2 earthquake struck 8 km ENE of P?hala, Hawaii. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:49:33 UTC | 2.8ml | 235 km SE of Chiniak, Alaska 56.222°, -149.361° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 235 km SE of Chiniak, Alaska with origin time 19:49 UTC on August 1, 2020. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:45:49 UTC | 5.6mww | 189 km SSW of ‘Ohonua, Tonga -22.805°, -175.884° | 20.3 km | - | II | green | ✓ Reviewed | USGS → |
On August 1, 2020, worldwide seismic activity registered a magnitude 5.6 earthquake 189 km SSW of ‘Ohonua, Tonga at 19:45 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:34:18 UTC | 2.8ml | 181 km WSW of Adak, Alaska 51.118°, -178.943° | 29.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 1, 2020, worldwide seismic activity registered a magnitude 2.8 earthquake 181 km WSW of Adak, Alaska at 19:34 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:32:30 UTC | 3.3ml | 30km SE of Bodie, CA 38.048°, -118.740° | 5.7 km | 2 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 30km SE of Bodie, CA on August 1, 2020, with origin time 19:32 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:29:44 UTC | 2.0ml | 115 km SSE of False Pass, Alaska 53.866°, -162.872° | 57.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 115 km SSE of False Pass, Alaska with origin time 19:29 UTC on August 1, 2020. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:22:05 UTC | 6.1mww | 199 km SE of Lorengau, Papua New Guinea -3.195°, 148.650° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
A magnitude 6.1 earthquake was recorded 199 km SE of Lorengau, Papua New Guinea on August 1, 2020 at 19:22 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M6.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:20:04 UTC | 2.1ml | 217 km WSW of Adak, Alaska 51.004°, -179.436° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 1, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 217 km WSW of Adak, Alaska at 19:20 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:18:12 UTC | 4.6mb | 220 km SE of Lorengau, Papua New Guinea -3.167°, 148.899° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 1, 2020, worldwide seismic activity registered a magnitude 4.6 earthquake 220 km SE of Lorengau, Papua New Guinea at 19:18 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 19:08:49 UTC | 5.7mww | 207 km SE of Lorengau, Papua New Guinea -3.188°, 148.748° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.7 earthquake 207 km SE of Lorengau, Papua New Guinea with origin time 19:08 UTC on August 1, 2020. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 18:55:44 UTC | 4.1mb | 280 km E of Levuka, Fiji -18.122°, -178.033° | 577.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 280 km E of Levuka, Fiji came in on August 1, 2020 at 18:55 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-01 2020-08-01 18:29:35 UTC | 2.0ml | 81 km S of Sand Point, Alaska 54.609°, -160.417° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 1, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 81 km S of Sand Point, Alaska at 18:29 UTC. It arrived roughly 11 hours after a larger magnitude 4.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 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 1, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.