Earthquakes on August 28, 2020
281
EARTHQUAKES on August 28, 2020
24-hour UTC period · USGS data
LARGEST: M5.9 — Bouvet Island region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
29
M3.0–3.9
8
M2.0–2.9
42
M1.0–1.9
200
Activity Summary
281
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
Bouvet Island region
02:24 UTC · 10.0 km deep
5.6
116 km NE of Maketu, New Zealand
15:47 UTC · 10.0 km deep
Felt by 16
4.9
82 km ENE of Port-Olry, Vanuatu
10:17 UTC · 10.0 km deep
Felt by 1
4.8
204 km W of Panguna, Papua New Guinea
08:28 UTC · 10.0 km deep
4.8
123 km SW of Leava, Wallis and Futuna
01:57 UTC · 401.7 km deep
4.7
57 km N of Namuac, Philippines
20:57 UTC · 6.9 km deep
4.7
northern Mid-Atlantic Ridge
12:55 UTC · 10.0 km deep
4.6
88 km S of Ust’-Kamchatsk Staryy, Russia
15:15 UTC · 17.4 km deep
Earthquake Map — August 28, 2020
All Earthquakes — August 28, 2020
Showing 30 of 81 (filtered from 281)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-28 2020-08-28 23:06:34 UTC | 4.2mb | Fiji region -20.185°, -178.283° | 567.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake in the Fiji region at 23:06 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 23:05:56 UTC | 4.3mb | 119 km NE of Tobelo, Indonesia 2.586°, 128.662° | 215.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 119 km NE of Tobelo, Indonesia at 23:05 UTC on August 28, 2020. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 22:43:44 UTC | 2.3ml | 30 km SSE of Mina, Nevada 38.142°, -117.973° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 30 km SSE of Mina, Nevada at 22:43 UTC. It arrived roughly 22 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 22:15:19 UTC | 2.3ml | 51 km ENE of San Vicente, Mexico 31.458°, -115.722° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:15 UTC on August 28, 2020, a magnitude 2.3 tremor occurred 51 km ENE of San Vicente, Mexico. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 21:16:02 UTC | 3.1md | 81 km NW of San Antonio, Puerto Rico 18.978°, -67.680° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 81 km NW of San Antonio, Puerto Rico at 21:16 UTC on August 28, 2020. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 20:57:11 UTC | 4.7mww | 57 km N of Namuac, Philippines 19.130°, 121.162° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 57 km N of Namuac, Philippines at 20:57 UTC on August 28, 2020. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 20:42:28 UTC | 4.1mb | south of the Fiji Islands -25.475°, -179.388° | 447.2 km | - | - | - | ✓ Reviewed | USGS → |
August 28, 2020 brought a magnitude 4.1 earthquake south of the Fiji Islands, logged at 20:42 UTC. 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. | ||||||||
2020-08-28 2020-08-28 20:10:36 UTC | 4.1mb | 135 km SSE of Biak, Indonesia -2.377°, 136.339° | 54.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020 at 20:10 UTC, a magnitude 4.1 earthquake struck 135 km SSE of Biak, Indonesia. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 20:05:54 UTC | 4.2mb | 104 km W of Abra Pampa, Argentina -22.842°, -66.709° | 207.3 km | - | - | - | ✓ Reviewed | USGS → |
At 20:05 UTC on August 28, 2020, a magnitude 4.2 tremor occurred 104 km W of Abra Pampa, Argentina. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 19:16:19 UTC | 2.0ml | 56 km S of Sand Point, Alaska 54.837°, -160.332° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 56 km S of Sand Point, Alaska came in on August 28, 2020 at 19:16 UTC. Coming 12 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 18:33:33 UTC | 2.1ml | 17km S of Searles Valley, CA 35.614°, -117.439° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 17km S of Searles Valley, CA at 18:33 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 18:28:48 UTC | 2.1ml | 18km SE of Ocotillo Wells, CA 33.016°, -116.008° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
At 18:28 UTC on August 28, 2020, a magnitude 2.1 tremor occurred 18km SE of Ocotillo Wells, CA. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 17:36:49 UTC | 2.7md | 13 km S of Ponce, Puerto Rico 17.890°, -66.600° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020, worldwide seismic activity registered a magnitude 2.7 earthquake 13 km S of Ponce, Puerto Rico at 17:36 UTC. 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. | ||||||||
2020-08-28 2020-08-28 17:30:43 UTC | 4.3mwr | 34 km NE of Iquique, Chile -20.005°, -69.901° | 60.8 km | 21 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 34 km NE of Iquique, Chile on August 28, 2020, with origin time 17:30 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 16:26:41 UTC | 2.3md | 6km SE of French Gulch, CA 40.670°, -122.576° | 19.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 6km SE of French Gulch, CA on August 28, 2020 at 16:26 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 16:25:13 UTC | 4.2mb | Pagan region, Northern Mariana Islands 18.575°, 145.617° | 198.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the Pagan region, Northern Mariana Islands at 16:25 UTC on August 28, 2020. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 16:15:51 UTC | 2.4md | 4 km ESE of La Parguera, Puerto Rico 17.965°, -67.005° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020 at 16:15 UTC, a magnitude 2.4 earthquake struck 4 km ESE of La Parguera, Puerto Rico. It arrived roughly 10 hours after a larger magnitude 3.0 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. | ||||||||
2020-08-28 2020-08-28 16:06:38 UTC | 2.4ml | 106 km SSE of Perryville, Alaska 55.099°, -158.251° | 34.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 106 km SSE of Perryville, Alaska on August 28, 2020, with origin time 16:06 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 15:52:18 UTC | 4.2mb | 154 km S of San Pedro de Atacama, Chile -24.302°, -68.157° | 134.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 154 km S of San Pedro de Atacama, Chile on August 28, 2020, with origin time 15:52 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 15:47:05 UTC | 5.6mww | 116 km NE of Maketu, New Zealand -36.897°, 177.186° | 10.0 km | 16 | III | green | ✓ Reviewed | USGS → |
A magnitude 5.6 earthquake was recorded 116 km NE of Maketu, New Zealand on August 28, 2020 at 15:47 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 M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 15:44:04 UTC | 3.4ml | 115 km SE of Akhiok, Alaska 56.112°, -153.047° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020, worldwide seismic activity registered a magnitude 3.4 earthquake 115 km SE of Akhiok, Alaska at 15:44 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 15:20:05 UTC | 2.9ml | 115 km SE of Akhiok, Alaska 56.103°, -153.080° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
August 28, 2020 brought a magnitude 2.9 earthquake 115 km SE of Akhiok, Alaska, logged at 15:20 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 15:15:58 UTC | 4.6mb | 88 km S of Ust’-Kamchatsk Staryy, Russia 55.445°, 162.720° | 17.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 88 km S of Ust’-Kamchatsk Staryy, Russia came in on August 28, 2020 at 15:15 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 14:44:03 UTC | 2.2md | 5km ENE of Pinnacles, CA 36.550°, -121.092° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
August 28, 2020 brought a magnitude 2.2 earthquake 5km ENE of Pinnacles, CA, logged at 14:44 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 14:09:25 UTC | 2.0md | 7 km ENE of P?hala, Hawaii 19.223°, -155.409° | 32.5 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 7 km ENE of P?hala, Hawaii on August 28, 2020 at 14:09 UTC. It arrived roughly 5 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 13:49:43 UTC | 4.4mb | 109 km WNW of Haveluloto, Tonga -20.839°, -176.212° | 149.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 28, 2020, worldwide seismic activity registered a magnitude 4.4 earthquake 109 km WNW of Haveluloto, Tonga at 13:49 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 12:55:36 UTC | 4.7mb | northern Mid-Atlantic Ridge 46.147°, -27.566° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected near northern Mid-Atlantic Ridge on August 28, 2020, with origin time 12:55 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 12:44:56 UTC | 2.0ml | 30 km SE of Mina, Nevada 38.173°, -117.897° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
August 28, 2020 brought a magnitude 2.0 earthquake 30 km SE of Mina, Nevada, logged at 12:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 12:39:15 UTC | 4.3mb | 90 km W of San Antonio de los Cobres, Argentina -24.324°, -67.199° | 162.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 90 km W of San Antonio de los Cobres, Argentina came in on August 28, 2020 at 12:39 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-28 2020-08-28 12:28:29 UTC | 2.8ml | 114 km SE of Akhiok, Alaska 56.105°, -153.088° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 114 km SE of Akhiok, Alaska on August 28, 2020 at 12:28 UTC. The event was offshore. See the M2.8 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 28, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.