Earthquakes on August 15, 2020
320
EARTHQUAKES on August 15, 2020
24-hour UTC period · USGS data
LARGEST: M5.8 — Easter Island region
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
24
M3.0–3.9
24
M2.0–2.9
64
M1.0–1.9
203
Activity Summary
320
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
Easter Island region
06:40 UTC · 10.0 km deep
5.1
Easter Island region
22:29 UTC · 10.0 km deep
5.0
Easter Island region
10:48 UTC · 10.0 km deep
5.0
106 km SSW of Muncar, Indonesia
07:12 UTC · 54.5 km deep
Felt by 9
5.0
189 km SSE of Kokopo, Papua New Guinea
04:45 UTC · 10.0 km deep
4.9
Easter Island region
23:24 UTC · 10.0 km deep
4.9
79 km S of Sarangani, Philippines
10:53 UTC · 139.4 km deep
Felt by 1
4.8
Easter Island region
22:30 UTC · 10.0 km deep
Earthquake Map — August 15, 2020
All Earthquakes — August 15, 2020
Showing 30 of 117 (filtered from 320)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-15 2020-08-15 23:40:31 UTC | 2.4md | 3 km S of Guánica, Puerto Rico 17.937°, -66.915° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2020 brought a magnitude 2.4 earthquake 3 km S of Guánica, Puerto Rico, logged at 23:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 23:24:45 UTC | 4.9mb | Easter Island region -22.785°, -112.225° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake in the Easter Island region at 23:24 UTC on August 15, 2020. Coming 17 hours after a magnitude 5.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 22:55:31 UTC | 2.4ml | 35 km ESE of Skwentna, Alaska 61.900°, -150.755° | 58.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 35 km ESE of Skwentna, Alaska at 22:55 UTC on August 15, 2020. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 22:53:59 UTC | 2.3ml | 55 km E of Juneau, Alaska 58.331°, -133.476° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 55 km E of Juneau, Alaska at 22:53 UTC. Coming 8 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 22:30:24 UTC | 4.8mb | Easter Island region -22.764°, -112.366° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake in the Easter Island region came in on August 15, 2020 at 22:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 16 hours earlier. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 22:29:20 UTC | 5.1mb | Easter Island region -22.738°, -112.294° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded in the Easter Island region on August 15, 2020 at 22:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 16 hours earlier. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 22:06:50 UTC | 2.1ml | 20km SE of Lone Pine, CA 36.450°, -117.928° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 20km SE of Lone Pine, CA at 22:06 UTC. 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. | ||||||||
2020-08-15 2020-08-15 22:03:01 UTC | 2.8md | 2 km S of Santo Domingo, Puerto Rico 18.039°, -66.750° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020, worldwide seismic activity registered a magnitude 2.8 earthquake 2 km S of Santo Domingo, Puerto Rico at 22:03 UTC. It arrived roughly 2 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:59:11 UTC | 2.8ml | 21 km WNW of Stanley, Idaho 44.311°, -115.181° | 18.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 21 km WNW of Stanley, Idaho on August 15, 2020 at 21:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 20 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:58:16 UTC | 4.4mb | 136 km SSE of Uzgen, Kyrgyzstan 39.685°, 74.060° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020, worldwide seismic activity registered a magnitude 4.4 earthquake 136 km SSE of Uzgen, Kyrgyzstan at 21:58 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:55:46 UTC | 2.6ml | 36 km NNW of Rampart, Alaska 65.784°, -150.598° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020 at 21:55 UTC, a magnitude 2.6 earthquake struck 36 km NNW of Rampart, Alaska. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:52:20 UTC | 2.4ml | 29 km S of Mina, Nevada 38.129°, -118.043° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 29 km S of Mina, Nevada on August 15, 2020, with origin time 21:52 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:37:08 UTC | 4.1mb | 240 km WSW of Tual, Indonesia -6.410°, 130.724° | 78.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 240 km WSW of Tual, Indonesia on August 15, 2020, with origin time 21:37 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:33:04 UTC | 2.2ml | 64 km SW of Nanwalek, Alaska 59.009°, -152.826° | 65.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020 at 21:33 UTC, a magnitude 2.2 earthquake struck 64 km SW of Nanwalek, Alaska. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:28:01 UTC | 2.8ml | 54 km E of Juneau, Alaska 58.362°, -133.501° | 0.1 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2020 brought a magnitude 2.8 earthquake 54 km E of Juneau, Alaska, logged at 21:28 UTC. Coming 7 hours after a magnitude 3.1 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:21:51 UTC | 2.1ml | 76 km SE of Sand Point, Alaska 54.919°, -159.546° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 76 km SE of Sand Point, Alaska on August 15, 2020, with origin time 21:21 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:18:25 UTC | 3.7mb | 212 km ESE of Atka, Alaska 51.663°, -171.229° | 32.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020, worldwide seismic activity registered a magnitude 3.7 earthquake 212 km ESE of Atka, Alaska at 21:18 UTC. It arrived roughly 5 hours after a larger magnitude 4.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 21:03:45 UTC | 3.6mb | 201 km SW of Nikolski, Alaska 51.825°, -171.199° | 32.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.6 earthquake 201 km SW of Nikolski, Alaska at 21:03 UTC on August 15, 2020. Coming 3 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 20:57:52 UTC | 4.3mb | 257 km E of Levuka, Fiji -18.075°, -178.247° | 505.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 257 km E of Levuka, Fiji on August 15, 2020, with origin time 20:57 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 20:35:53 UTC | 2.7ml | 56 km E of Juneau, Alaska 58.324°, -133.465° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 56 km E of Juneau, Alaska on August 15, 2020, with origin time 20:35 UTC. It arrived roughly 6 hours after a larger magnitude 3.1 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 M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 20:23:07 UTC | 2.1ml | 10 km ENE of P?hala, Hawaii 19.247°, -155.390° | 29.7 km | - | - | - | Auto | USGS → |
At 20:23 UTC on August 15, 2020, a magnitude 2.1 tremor occurred 10 km ENE of P?hala, Hawaii. Coming 5 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 19:54:20 UTC | 3.3md | 2 km NE of Magas Arriba, Puerto Rico 18.035°, -66.750° | 17.0 km | 12 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 2 km NE of Magas Arriba, Puerto Rico on August 15, 2020 at 19:54 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 19:44:46 UTC | 2.3md | 15 km SSE of Maria Antonia, Puerto Rico 17.852°, -66.838° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020 at 19:44 UTC, a magnitude 2.3 earthquake struck 15 km SSE of Maria Antonia, Puerto Rico. Coming 2 hours after a magnitude 3.2 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. | ||||||||
2020-08-15 2020-08-15 19:43:14 UTC | 3.0ml | 64 km ESE of Sand Point, Alaska 55.125°, -159.562° | 40.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 64 km ESE of Sand Point, Alaska on August 15, 2020 at 19:43 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 19:42:50 UTC | 4.2mb | 81 km WNW of Kirakira, Solomon Islands -10.208°, 161.215° | 86.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake 81 km WNW of Kirakira, Solomon Islands at 19:42 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 19:42:36 UTC | 3.6ml | 14 km ENE of Iquique, Chile -20.183°, -70.020° | 45.3 km | 6 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.6 event was detected 14 km ENE of Iquique, Chile on August 15, 2020, with origin time 19:42 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 18:53:55 UTC | 2.3md | 3 km SSW of Guánica, Puerto Rico 17.940°, -66.917° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 3 km SSW of Guánica, Puerto Rico on August 15, 2020 at 18:53 UTC. It arrived roughly 1 hours after a larger magnitude 3.2 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. | ||||||||
2020-08-15 2020-08-15 18:44:58 UTC | 3.0md | 5 km SW of Guánica, Puerto Rico 17.943°, -66.945° | 9.0 km | 5 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 5 km SW of Guánica, Puerto Rico on August 15, 2020, with origin time 18:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-15 2020-08-15 18:44:35 UTC | 2.6ml | 9 km SSE of Maria Antonia, Puerto Rico 17.900°, -66.848° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2020 brought a magnitude 2.6 earthquake 9 km SSE of Maria Antonia, Puerto Rico, logged at 18:44 UTC. It arrived roughly 1 hours after a larger magnitude 3.2 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. | ||||||||
2020-08-15 2020-08-15 18:34:40 UTC | 2.3ml | 33 km SE of Mina, Nevada 38.163°, -117.851° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:34 UTC on August 15, 2020, a magnitude 2.3 tremor occurred 33 km SE of Mina, Nevada. It arrived roughly 17 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 15, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.