Earthquakes on August 13, 2020
391
EARTHQUAKES on August 13, 2020
24-hour UTC period · USGS data
LARGEST: M5.7 — 156 km ESE of Akutan, Alaska
28 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
34
M3.0–3.9
20
M2.0–2.9
101
M1.0–1.9
234
Activity Summary
391
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.7
156 km ESE of Akutan, Alaska
06:40 UTC · 28.0 km deep
5.1
64 km NNE of Kilindoni, Tanzania
14:54 UTC · 10.0 km deep
Felt by 11
4.9
211 km N of Shi Yomi, India
04:27 UTC · 10.0 km deep
4.8
298 km S of ‘Ohonua, Tonga
23:34 UTC · 10.0 km deep
4.8
23 km SE of Obigarm, Tajikistan
18:07 UTC · 5.4 km deep
4.7
south of Tonga
23:31 UTC · 10.0 km deep
4.6
126 km NNE of Hihifo, Tonga
17:36 UTC · 10.0 km deep
Felt by 1
4.6
Mid-Indian Ridge
07:06 UTC · 10.0 km deep
Earthquake Map — August 13, 2020
All Earthquakes — August 13, 2020
Showing 30 of 157 (filtered from 391)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-13 2020-08-13 23:34:30 UTC | 4.8mb | 298 km S of ‘Ohonua, Tonga -24.006°, -175.328° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 13, 2020, worldwide seismic activity registered a magnitude 4.8 earthquake 298 km S of ‘Ohonua, Tonga at 23:34 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 23:31:40 UTC | 4.7mb | south of Tonga -24.101°, -175.435° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake south of Tonga at 23:31 UTC on August 13, 2020. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 23:14:56 UTC | 4.3mb | 277 km WSW of Tual, Indonesia -6.814°, 130.543° | 78.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 277 km WSW of Tual, Indonesia on August 13, 2020 at 23:14 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 22:56:08 UTC | 2.1ml | 25 km E of Honaunau-Napoopoo, Hawaii 19.443°, -155.618° | -0.8 km | - | - | - | ✓ Reviewed | USGS → |
August 13, 2020 brought a magnitude 2.1 earthquake 25 km E of Honaunau-Napoopoo, Hawaii, logged at 22:56 UTC. It arrived roughly 13 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2020-08-13 2020-08-13 22:47:57 UTC | 4.4mb | Fiji region -20.081°, -177.961° | 559.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake in the Fiji region at 22:47 UTC on August 13, 2020. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 22:25:27 UTC | 2.1ml | 178 km SE of Akutan, Alaska 53.245°, -163.535° | 22.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 178 km SE of Akutan, Alaska on August 13, 2020 at 22:25 UTC. Coming 13 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 22:24:50 UTC | 2.6ml | 25 km SW of Yellow Pine, Idaho 44.822°, -115.742° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 25 km SW of Yellow Pine, Idaho came in on August 13, 2020 at 22:24 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 22:10:23 UTC | 2.5ml | 44 km NW of Stanley, Idaho 44.550°, -115.253° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:10 UTC on August 13, 2020, a magnitude 2.5 tremor occurred 44 km NW of Stanley, Idaho. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 22:02:24 UTC | 2.5md | 8 km SE of Maria Antonia, Puerto Rico 17.919°, -66.839° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 8 km SE of Maria Antonia, Puerto Rico at 22:02 UTC on August 13, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 21:41:19 UTC | 2.1ml | 151 km ESE of Akutan, Alaska 53.495°, -163.749° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 151 km ESE of Akutan, Alaska with origin time 21:41 UTC on August 13, 2020. It arrived roughly 15 hours after a larger magnitude 5.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 21:19:56 UTC | 2.7ml | Rat Islands, Aleutian Islands, Alaska 51.676°, 178.494° | 108.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 21:19 UTC on August 13, 2020. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 21:13:19 UTC | 2.4ml | 26 km NW of Stanley, Idaho 44.364°, -115.207° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:13 UTC on August 13, 2020, a magnitude 2.4 tremor occurred 26 km NW of Stanley, Idaho. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 20:57:24 UTC | 2.0ml | 96 km NNW of Karluk, Alaska 58.372°, -155.076° | 114.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 96 km NNW of Karluk, Alaska at 20:57 UTC on August 13, 2020. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 20:12:07 UTC | 3.2ml | 30 km NE of Ranchester, Wyoming 45.134°, -106.939° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 30 km NE of Ranchester, Wyoming on August 13, 2020, with origin time 20:12 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 20:08:48 UTC | 3.1ml | 28 km NW of Atka, Alaska 52.341°, -174.546° | 229.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 13, 2020 at 20:08 UTC, a magnitude 3.1 earthquake struck 28 km NW of Atka, Alaska. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 19:54:21 UTC | 3.7mwr | 26 km NW of Stanley, Idaho 44.373°, -115.186° | 10.0 km | 15 | III | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake 26 km NW of Stanley, Idaho came in on August 13, 2020 at 19:54 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 19:46:25 UTC | 2.2ml | 27 km NW of Stanley, Idaho 44.375°, -115.209° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 27 km NW of Stanley, Idaho at 19:46 UTC on August 13, 2020. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 19:40:40 UTC | 2.4ml | 161 km S of Nikolski, Alaska 51.492°, -168.659° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 161 km S of Nikolski, Alaska on August 13, 2020, with origin time 19:40 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 19:31:54 UTC | 2.0ml | 70 km NNE of Dawson City, Canada 64.601°, -138.689° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 70 km NNE of Dawson City, Canada on August 13, 2020, with origin time 19:31 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 19:03:44 UTC | 4.2mb | 68 km ENE of Lubuklinggau, Indonesia -2.992°, 103.403° | 291.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 68 km ENE of Lubuklinggau, Indonesia on August 13, 2020 at 19:03 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 18:54:07 UTC | 2.3ml | 13km SW of Searles Valley, CA 35.681°, -117.497° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 13km SW of Searles Valley, CA came in on August 13, 2020 at 18:54 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 18:39:16 UTC | 2.0ml | 164 km S of False Pass, Alaska 53.374°, -163.545° | 25.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 164 km S of False Pass, Alaska came in on August 13, 2020 at 18:39 UTC. It arrived roughly 12 hours after a larger magnitude 5.7 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. | ||||||||
2020-08-13 2020-08-13 18:11:00 UTC | 2.4md | 3 km NNW of Yauco, Puerto Rico 18.059°, -66.864° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 3 km NNW of Yauco, Puerto Rico came in on August 13, 2020 at 18:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 7 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 18:07:15 UTC | 4.8mb | 23 km SE of Obigarm, Tajikistan 38.552°, 69.870° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
At 18:07 UTC on August 13, 2020, a magnitude 4.8 tremor occurred 23 km SE of Obigarm, Tajikistan. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 17:51:54 UTC | 2.4ml | 8 km SSE of Maria Antonia, Puerto Rico 17.915°, -66.847° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 13, 2020, worldwide seismic activity registered a magnitude 2.4 earthquake 8 km SSE of Maria Antonia, Puerto Rico at 17:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 7 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 17:49:15 UTC | 2.4md | 13 km SSE of Maria Antonia, Puerto Rico 17.868°, -66.846° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
At 17:49 UTC on August 13, 2020, a magnitude 2.4 tremor occurred 13 km SSE of Maria Antonia, Puerto Rico. Coming 7 hours after a magnitude 3.4 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. | ||||||||
2020-08-13 2020-08-13 17:36:26 UTC | 2.4ml | 6km SW of Idyllwild, CA 33.701°, -116.757° | 15.8 km | 4 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 6km SW of Idyllwild, CA at 17:36 UTC on August 13, 2020. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 17:36:14 UTC | 4.6mb | 126 km NNE of Hihifo, Tonga -14.983°, -173.178° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 126 km NNE of Hihifo, Tonga on August 13, 2020, with origin time 17:36 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 16:44:18 UTC | 2.2ml | 5 km E of P?hala, Hawaii 19.206°, -155.424° | 33.5 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 5 km E of P?hala, Hawaii with origin time 16:44 UTC on August 13, 2020. Coming 9 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-13 2020-08-13 16:44:11 UTC | 2.1ml | 6 km E of P?hala, Hawaii 19.208°, -155.418° | 33.8 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 6 km E of P?hala, Hawaii on August 13, 2020 at 16:44 UTC. It arrived roughly 9 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 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 13, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.