Earthquakes on August 4, 2020
354
EARTHQUAKES on August 4, 2020
24-hour UTC period · USGS data
5 km deep · 3 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
32
M3.0–3.9
15
M2.0–2.9
62
M1.0–1.9
238
Activity Summary
354
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
105 km S of Champerico, Guatemala
19:17 UTC · 5.5 km deep
Felt by 3
5.6
177 km NW of Sola, Vanuatu
16:31 UTC · 70.0 km deep
5.6
18 km NNE of Sincik, Turkey
09:37 UTC · 10.0 km deep
Felt by 4
5.4
102 km NNE of Finschhafen, Papua New Guinea
17:50 UTC · 170.8 km deep
5.2
79 km SSW of Sand Point, Alaska
12:47 UTC · 35.0 km deep
Felt by 2
5.1
93 km SSW of Padang, Indonesia
23:51 UTC · 48.4 km deep
5.0
73 km SE of Tateyama, Japan
11:21 UTC · 75.0 km deep
Felt by 5
4.8
137 km WSW of Ternate, Indonesia
19:32 UTC · 52.2 km deep
Earthquake Map — August 4, 2020
All Earthquakes — August 4, 2020
Showing 30 of 116 (filtered from 354)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-04 2020-08-04 23:58:47 UTC | 2.6ml | 260 km WSW of Adak, Alaska 50.839°, -179.982° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 260 km WSW of Adak, Alaska on August 4, 2020, with origin time 23:58 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 23:51:11 UTC | 5.1mb | 93 km SSW of Padang, Indonesia -1.780°, 100.181° | 48.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake 93 km SSW of Padang, Indonesia at 23:51 UTC on August 4, 2020. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 23:32:48 UTC | 3.2ml | 27 km NW of Stanley, Idaho 44.367°, -115.218° | 12.0 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 27 km NW of Stanley, Idaho on August 4, 2020, with origin time 23:32 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 23:22:27 UTC | 4.6mb | 218 km W of Tual, Indonesia -5.676°, 130.781° | 74.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 4, 2020 at 23:22 UTC, a magnitude 4.6 earthquake struck 218 km W of Tual, Indonesia. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 23:08:10 UTC | 2.1ml | 12 km SW of Tyonek, Alaska 60.981°, -151.270° | 64.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 4, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 12 km SW of Tyonek, Alaska at 23:08 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 22:58:23 UTC | 4.3mb | 4 km WSW of Baguinge, Philippines 16.765°, 121.067° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 4 km WSW of Baguinge, Philippines on August 4, 2020 at 22:58 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 22:49:58 UTC | 2.4ml | 15 km ESE of Clam Gulch, Alaska 60.168°, -151.144° | 65.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:49 UTC on August 4, 2020, a magnitude 2.4 tremor occurred 15 km ESE of Clam Gulch, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 22:39:25 UTC | 2.1md | 0 km SSE of Volcano, Hawaii 19.437°, -155.232° | 27.9 km | - | - | - | ✓ Reviewed | USGS → |
August 4, 2020 brought a magnitude 2.1 earthquake 0 km SSE of Volcano, Hawaii, logged at 22:39 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 22:37:15 UTC | 2.5ml | 4 km NNW of Point MacKenzie, Alaska 61.396°, -150.024° | 37.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 4 km NNW of Point MacKenzie, Alaska came in on August 4, 2020 at 22:37 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 22:11:23 UTC | 2.1ml | 124 km SE of Sand Point, Alaska 54.719°, -158.880° | 19.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:11 UTC on August 4, 2020, a magnitude 2.1 tremor occurred 124 km SE of Sand Point, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 21:59:52 UTC | 4.4mb | 28 km NNW of Manukan, Philippines 8.752°, 122.961° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:59 UTC on August 4, 2020, a magnitude 4.4 tremor occurred 28 km NNW of Manukan, Philippines. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 21:58:15 UTC | 2.2ml | 32 km SE of Mentasta Lake, Alaska 62.733°, -143.274° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 32 km SE of Mentasta Lake, Alaska on August 4, 2020 at 21:58 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 21:28:37 UTC | 3.0ml | 18km S of Cantua Creek, CA 36.343°, -120.344° | 7.1 km | 7 | - | - | ✓ Reviewed | USGS → |
At 21:28 UTC on August 4, 2020, a magnitude 3.0 tremor occurred 18km S of Cantua Creek, CA. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 21:23:13 UTC | 2.4md | Puerto Rico region 18.003°, -66.792° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 4, 2020, worldwide seismic activity registered a magnitude 2.4 earthquake in the Puerto Rico region at 21:23 UTC. Coming 15 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 20:03:33 UTC | 4.2mb | south of the Kermadec Islands -33.442°, -179.533° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded south of the Kermadec Islands on August 4, 2020 at 20:03 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:49:21 UTC | 4.3mb | 64 km E of Luganville, Vanuatu -15.546°, 167.762° | 113.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 64 km E of Luganville, Vanuatu with origin time 19:49 UTC on August 4, 2020. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:41:37 UTC | 2.1ml | 45 km E of Pedro Bay, Alaska 59.794°, -153.288° | 122.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 45 km E of Pedro Bay, Alaska at 19:41 UTC on August 4, 2020. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:38:25 UTC | 2.1ml | 38 km SE of Mina, Nevada 38.169°, -117.772° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 38 km SE of Mina, Nevada on August 4, 2020, with origin time 19:38 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:35:17 UTC | 2.4ml | 62 km ESE of Denali National Park, Alaska 63.236°, -150.668° | 129.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 62 km ESE of Denali National Park, Alaska at 19:35 UTC on August 4, 2020. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:32:40 UTC | 4.8mb | 137 km WSW of Ternate, Indonesia 0.389°, 126.216° | 52.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 137 km WSW of Ternate, Indonesia came in on August 4, 2020 at 19:32 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:29:15 UTC | 2.0ml | 19 km E of Livengood, Alaska 65.491°, -148.124° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 19 km E of Livengood, Alaska with origin time 19:29 UTC on August 4, 2020. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:17:51 UTC | 5.8mww | 105 km S of Champerico, Guatemala 13.348°, -92.007° | 5.5 km | 3 | III | green | ✓ Reviewed | USGS → |
On August 4, 2020 at 19:17 UTC, a magnitude 5.8 earthquake struck 105 km S of Champerico, Guatemala. 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 4, 2020. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 19:10:37 UTC | 2.1md | 17km WSW of Toms Place, CA 37.478°, -118.840° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 17km WSW of Toms Place, CA with origin time 19:10 UTC on August 4, 2020. 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. | ||||||||
2020-08-04 2020-08-04 19:01:11 UTC | 2.1ml | 28 km SSE of Mina, Nevada 38.145°, -118.004° | 4.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 28 km SSE of Mina, Nevada came in on August 4, 2020 at 19:01 UTC. Coming 3 hours after a magnitude 2.6 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 18:40:04 UTC | 4.5mwr | 24 km NNE of Sincik, Turkey 38.237°, 38.731° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 4, 2020, worldwide seismic activity registered a magnitude 4.5 earthquake 24 km NNE of Sincik, Turkey at 18:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.6 earthquake that occurred about 9 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 17:59:18 UTC | 4.4mb | 2 km E of Nahr?n, Afghanistan 36.065°, 69.157° | 46.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 2 km E of Nahr?n, Afghanistan at 17:59 UTC on August 4, 2020. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 17:50:58 UTC | 5.4mww | 102 km NNE of Finschhafen, Papua New Guinea -5.747°, 148.294° | 170.8 km | - | III | green | ✓ Reviewed | USGS → |
On August 4, 2020, worldwide seismic activity registered a magnitude 5.4 earthquake 102 km NNE of Finschhafen, Papua New Guinea at 17:50 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 17:43:47 UTC | 4.1mb | 278 km NE of Saipan, Northern Mariana Islands 17.159°, 147.409° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 278 km NE of Saipan, Northern Mariana Islands at 17:43 UTC on August 4, 2020. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 17:25:06 UTC | 2.9ml | 58 km S of Whites City, New Mexico 31.656°, -104.297° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 58 km S of Whites City, New Mexico came in on August 4, 2020 at 17:25 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-04 2020-08-04 17:11:04 UTC | 4.4mb | 15 km ESE of Calbiga, Philippines 11.563°, 125.144° | 69.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 15 km ESE of Calbiga, Philippines on August 4, 2020, with origin time 17:11 UTC. 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 4, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.