Earthquakes on August 3, 2020
366
EARTHQUAKES on August 3, 2020
24-hour UTC period · USGS data
LARGEST: M5.6 — Balleny Islands region
10 km deep0
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
41
M3.0–3.9
11
M2.0–2.9
77
M1.0–1.9
232
Activity Summary
366
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.6
Balleny Islands region
21:16 UTC · 10.0 km deep
05.5
122 km NE of Iquique, Chile
11:56 UTC · 101.6 km deep
Felt by 42
5.4
270 km NE of Saipan, Northern Mariana Islands
08:31 UTC · 10.0 km deep
Felt by 1
5.2
148 km N of Neiafu, Tonga
01:18 UTC · 92.4 km deep
5.0
26 km ENE of Shirac, Peru
15:08 UTC · 15.2 km deep
Felt by 2
4.9
265 km NE of Saipan, Northern Mariana Islands
12:45 UTC · 10.0 km deep
4.7
118 km WSW of Shihezi, China
22:30 UTC · 10.0 km deep
4.7
south of Africa
00:36 UTC · 10.0 km deep
Earthquake Map — August 3, 2020
All Earthquakes — August 3, 2020
Showing 30 of 134 (filtered from 366)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-03 2020-08-03 23:50:01 UTC | 2.8ml | 30 km SSE of Carlin, Nevada 40.462°, -115.958° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:50 UTC on August 3, 2020, a magnitude 2.8 tremor occurred 30 km SSE of Carlin, Nevada. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:45:54 UTC | 2.2ml | Rat Islands, Aleutian Islands, Alaska 51.672°, 178.049° | 71.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 23:45 UTC on August 3, 2020. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:43:29 UTC | 4.4mb | 48 km ESE of Manokwari, Indonesia -1.016°, 134.470° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 48 km ESE of Manokwari, Indonesia with origin time 23:43 UTC on August 3, 2020. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:42:33 UTC | 2.3ml | 19 km SSW of Covenant Life, Alaska 59.263°, -136.177° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020 at 23:42 UTC, a magnitude 2.3 earthquake struck 19 km SSW of Covenant Life, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:39:43 UTC | 3.4md | 80 km NE of Punta Cana, Dominican Republic 19.041°, -67.810° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 80 km NE of Punta Cana, Dominican Republic on August 3, 2020 at 23:39 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:28:46 UTC | 2.1ml | 80 km SE of King Cove, Alaska 54.655°, -161.273° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 80 km SE of King Cove, Alaska at 23:28 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:23:41 UTC | 3.0md | 6 km WSW of Guánica, Puerto Rico 17.950°, -66.961° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 6 km WSW of Guánica, Puerto Rico came in on August 3, 2020 at 23:23 UTC. It arrived roughly 21 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:13:45 UTC | 3.4ml | 9 km NW of Perry, Oklahoma 36.358°, -97.359° | 7.6 km | 10 | - | - | ✓ Reviewed | USGS → |
On August 3, 2020 at 23:13 UTC, a magnitude 3.4 earthquake struck 9 km NW of Perry, Oklahoma. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:10:40 UTC | 4.1mb | 292 km E of Levuka, Fiji -17.891°, -177.932° | 539.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020 at 23:10 UTC, a magnitude 4.1 earthquake struck 292 km E of Levuka, Fiji. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 23:05:09 UTC | 2.8md | 10 km SSE of Ponce, Puerto Rico 17.923°, -66.576° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020, worldwide seismic activity registered a magnitude 2.8 earthquake 10 km SSE of Ponce, Puerto Rico at 23:05 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:58:25 UTC | 4.4mb | Kermadec Islands, New Zealand -30.879°, -177.090° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020, worldwide seismic activity registered a magnitude 4.4 earthquake near Kermadec Islands, New Zealand at 22:58 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:50:33 UTC | 3.1ml | 52 km NNW of Venetie, Alaska 67.449°, -146.860° | 19.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 52 km NNW of Venetie, Alaska at 22:50 UTC on August 3, 2020. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:34:17 UTC | 2.2ml | 23 km SE of Kasilof, Alaska 60.193°, -150.975° | 61.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 23 km SE of Kasilof, Alaska at 22:34 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:30:44 UTC | 4.7mb | 118 km WSW of Shihezi, China 44.070°, 84.592° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 118 km WSW of Shihezi, China on August 3, 2020, with origin time 22:30 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:29:41 UTC | 2.3ml | 61 km SSE of Sand Point, Alaska 54.798°, -160.306° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 61 km SSE of Sand Point, Alaska on August 3, 2020 at 22:29 UTC. Coming 14 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:22:28 UTC | 4.5mb | 252 km WSW of Merizo Village, Guam 12.460°, 142.491° | 122.5 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 252 km WSW of Merizo Village, Guam on August 3, 2020, with origin time 22:22 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:18:51 UTC | 3.5ml | 3km SW of Yorba Linda, CA 33.866°, -117.834° | 8.8 km | 3,942 | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.5 seismic event took place 3km SW of Yorba Linda, CA on August 3, 2020 at 22:18 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 M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 22:00:41 UTC | 2.6ml | 141 km SSE of Perryville, Alaska 54.688°, -158.565° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 141 km SSE of Perryville, Alaska on August 3, 2020 at 22:00 UTC. It arrived roughly 20 hours after a larger magnitude 2.8 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. | ||||||||
2020-08-03 2020-08-03 21:40:44 UTC | 2.3ml | 40 km NW of Chignik Lake, Alaska 56.471°, -159.286° | 134.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 40 km NW of Chignik Lake, Alaska with origin time 21:40 UTC on August 3, 2020. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 21:26:02 UTC | 2.3ml | 9km W of Ojai, CA 34.438°, -119.341° | 8.8 km | 4 | - | - | ✓ Reviewed | USGS → |
On August 3, 2020 at 21:26 UTC, a magnitude 2.3 earthquake struck 9km W of Ojai, CA. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 21:22:30 UTC | 4.2mb | Balleny Islands region -61.596°, 162.196° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake in the Balleny Islands region with origin time 21:22 UTC on August 3, 2020. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 21:16:19 UTC | 5.6mww | Balleny Islands region -61.414°, 161.424° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On August 3, 2020 at 21:16 UTC, a magnitude 5.6 earthquake struck in the Balleny Islands region. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on August 3, 2020. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 21:13:48 UTC | 2.4ml | 26 km E of Honaunau-Napoopoo, Hawaii 19.425°, -155.612° | -2.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 26 km E of Honaunau-Napoopoo, Hawaii on August 3, 2020 at 21:13 UTC. 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. | ||||||||
2020-08-03 2020-08-03 21:01:55 UTC | 3.3ml | 58 km NNW of Petersville, Alaska 63.010°, -150.996° | 122.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake 58 km NNW of Petersville, Alaska with origin time 21:01 UTC on August 3, 2020. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 20:59:50 UTC | 2.5ml | 32 km WNW of Valdez, Alaska 61.220°, -146.924° | 6.4 km | 2 | - | - | ✓ Reviewed | USGS → |
At 20:59 UTC on August 3, 2020, a magnitude 2.5 tremor occurred 32 km WNW of Valdez, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 20:51:26 UTC | 2.0ml | 122 km ESE of Sand Point, Alaska 54.813°, -158.810° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 122 km ESE of Sand Point, Alaska on August 3, 2020 at 20:51 UTC. Coming 19 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 20:38:56 UTC | 4.3mb | Pagan region, Northern Mariana Islands 18.805°, 145.463° | 199.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place in the Pagan region, Northern Mariana Islands on August 3, 2020 at 20:38 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 20:30:37 UTC | 2.6md | 4 km S of Guánica, Puerto Rico 17.934°, -66.906° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 4 km S of Guánica, Puerto Rico on August 3, 2020 at 20:30 UTC. It arrived roughly 18 hours after a larger magnitude 3.2 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. | ||||||||
2020-08-03 2020-08-03 20:25:22 UTC | 2.6ml | 64 km ESE of Sand Point, Alaska 55.133°, -159.551° | 31.7 km | - | - | - | ✓ Reviewed | USGS → |
August 3, 2020 brought a magnitude 2.6 earthquake 64 km ESE of Sand Point, Alaska, logged at 20:25 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 17 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-03 2020-08-03 19:44:49 UTC | 2.3ml | 84 km S of Port Alexander, Alaska 55.498°, -134.820° | 26.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 84 km S of Port Alexander, Alaska at 19:44 UTC. The event was offshore. See the M2.3 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 3, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.