Earthquakes on August 19, 2023
272
EARTHQUAKES on August 19, 2023
24-hour UTC period · USGS data
10 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
28
M3.0–3.9
15
M2.0–2.9
54
M1.0–1.9
173
Activity Summary
272
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
132 km W of San Jose Village, Northern Mariana Islands
23:10 UTC · 10.0 km deep
Felt by 1
5.0
205 km N of Shi Yomi, India
14:46 UTC · 10.0 km deep
4.8
106 km NW of Hicks Bay, New Zealand
18:16 UTC · 202.5 km deep
4.8
31 km S of Tezpur, India
15:20 UTC · 35.0 km deep
Felt by 12
4.8
74 km S of San Juan, Peru
11:27 UTC · 24.4 km deep
4.8
1 km SSE of Bacolod, Philippines
06:34 UTC · 69.1 km deep
4.7
12 km WSW of Neijiang, China
07:31 UTC · 10.0 km deep
Felt by 1
4.6
201 km NNE of Shi Yomi, India
23:06 UTC · 10.0 km deep
Earthquake Map — August 19, 2023
All Earthquakes — August 19, 2023
Showing 30 of 99 (filtered from 272)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-08-19 2023-08-19 23:56:08 UTC | 2.5ml | 19 km WNW of Stanley, Idaho 44.266°, -115.168° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 19 km WNW of Stanley, Idaho came in on August 19, 2023 at 23:56 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 23:31:18 UTC | 2.5md | 10 km NNE of Rockport, CA 39.819°, -123.778° | -0.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 10 km NNE of Rockport, CA on August 19, 2023, with origin time 23:31 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 23:10:59 UTC | 5.4mww | 132 km W of San Jose Village, Northern Mariana Islands 14.879°, 144.395° | 10.0 km | 1 | III | green | ✓ Reviewed | USGS → |
On August 19, 2023 at 23:10 UTC, a magnitude 5.4 earthquake struck 132 km W of San Jose Village, Northern Mariana Islands. 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 19, 2023. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 23:06:55 UTC | 4.6mb | 201 km NNE of Shi Yomi, India 30.281°, 94.931° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 201 km NNE of Shi Yomi, India came in on August 19, 2023 at 23:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 8 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 23:06:46 UTC | 4.5mb | Oaxaca, Mexico 16.827°, -94.293° | 122.7 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake near Oaxaca, Mexico with origin time 23:06 UTC on August 19, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 22:59:30 UTC | 4.6mb | Halmahera, Indonesia 1.764°, 128.850° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near Halmahera, Indonesia on August 19, 2023 at 22:59 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 22:49:30 UTC | 2.5ml | 16 km E of Hawthorne, Nevada 38.539°, -118.433° | 12.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 16 km E of Hawthorne, Nevada on August 19, 2023 at 22:49 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 22:26:37 UTC | 2.9ml | 156 km ESE of Chiniak, Alaska 57.245°, -149.772° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 156 km ESE of Chiniak, Alaska at 22:26 UTC on August 19, 2023. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 22:19:27 UTC | 2.2ml | 33 km SSW of Los Ybanez, Texas 32.444°, -102.075° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:19 UTC on August 19, 2023, a magnitude 2.2 tremor occurred 33 km SSW of Los Ybanez, Texas. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 22:01:10 UTC | 4.1mb | 32 km SSE of Ikungi, Tanzania -5.405°, 34.871° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 32 km SSE of Ikungi, Tanzania came in on August 19, 2023 at 22:01 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 21:46:05 UTC | 2.0ml | 80 km SSW of Nikolski, Alaska 52.286°, -169.374° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 80 km SSW of Nikolski, Alaska at 21:46 UTC on August 19, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 21:43:54 UTC | 2.1ml | 109 km W of Akhiok, Alaska 56.889°, -155.965° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 19, 2023, worldwide seismic activity registered a magnitude 2.1 earthquake 109 km W of Akhiok, Alaska at 21:43 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. | ||||||||
2023-08-19 2023-08-19 21:41:14 UTC | 2.4ml | 244 km SSW of Adak, Alaska 49.924°, -178.247° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 19, 2023 at 21:41 UTC, a magnitude 2.4 earthquake struck 244 km SSW of Adak, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 21:07:17 UTC | 2.1ml | 10 km SSE of Princeton, Canada 49.361°, -120.478° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 10 km SSE of Princeton, Canada on August 19, 2023 at 21:07 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. | ||||||||
2023-08-19 2023-08-19 19:40:44 UTC | 4.2mb | Tajikistan 37.258°, 72.695° | 90.6 km | - | - | - | ✓ Reviewed | USGS → |
At 19:40 UTC on August 19, 2023, a magnitude 4.2 tremor occurred near Tajikistan. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 19:14:29 UTC | 4.4mb | 229 km SSE of Kokopo, Papua New Guinea -6.254°, 153.088° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 229 km SSE of Kokopo, Papua New Guinea on August 19, 2023, with origin time 19:14 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 18:48:45 UTC | 2.7ml | 41 km NNE of Whittier, Alaska 61.093°, -148.288° | 18.5 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 41 km NNE of Whittier, Alaska on August 19, 2023 at 18:48 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 18:43:40 UTC | 2.3ml | 5 km SE of Ojai, CA 34.420°, -119.195° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 5 km SE of Ojai, CA on August 19, 2023, with origin time 18:43 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. | ||||||||
2023-08-19 2023-08-19 18:27:37 UTC | 2.0ml | 6 km SE of Ojai, CA 34.411°, -119.190° | 2.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 6 km SE of Ojai, CA with origin time 18:27 UTC on August 19, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 18:16:33 UTC | 4.8mb | 106 km NW of Hicks Bay, New Zealand -36.938°, 177.425° | 202.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.8 earthquake 106 km NW of Hicks Bay, New Zealand with origin time 18:16 UTC on August 19, 2023. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 17:45:05 UTC | 4.1mb | 86 km NE of Adak, Alaska 52.475°, -175.833° | 172.0 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 86 km NE of Adak, Alaska on August 19, 2023 at 17:45 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 17:44:17 UTC | 3.9mb | Kermadec Islands, New Zealand -29.392°, -178.842° | 352.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 19, 2023 at 17:44 UTC, a magnitude 3.9 earthquake struck near Kermadec Islands, New Zealand. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 17:30:26 UTC | 2.7ml | 56 km S of Whites City, New Mexico 31.666°, -104.366° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
August 19, 2023 brought a magnitude 2.7 earthquake 56 km S of Whites City, New Mexico, logged at 17:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 15 hours earlier. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 17:29:41 UTC | 2.7ml | 55 km S of Whites City, New Mexico 31.675°, -104.370° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 19, 2023 at 17:29 UTC, a magnitude 2.7 earthquake struck 55 km S of Whites City, New Mexico. Coming 15 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 17:08:53 UTC | 2.1ml | 204 km SSE of Akutan, Alaska 52.595°, -164.087° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
At 17:08 UTC on August 19, 2023, a magnitude 2.1 tremor occurred 204 km SSE of Akutan, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 17:02:55 UTC | 2.1ml | Rat Islands, Aleutian Islands, Alaska 51.452°, 178.889° | 27.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake near Rat Islands, Aleutian Islands, Alaska at 17:02 UTC on August 19, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 16:56:45 UTC | 2.6ml | Alaska Peninsula 56.641°, -157.588° | 72.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake near Alaska Peninsula with origin time 16:56 UTC on August 19, 2023. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 16:49:54 UTC | 2.4ml | 55 km S of Whites City, New Mexico 31.675°, -104.424° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 55 km S of Whites City, New Mexico on August 19, 2023 at 16:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 15 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 16:44:45 UTC | 2.2ml | 45 km NW of Toyah, Texas 31.621°, -104.120° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 45 km NW of Toyah, Texas at 16:44 UTC on August 19, 2023. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-19 2023-08-19 16:16:58 UTC | 2.4ml | 5 km W of Isla Vista, CA 34.417°, -119.919° | 7.0 km | 6 | - | - | ✓ Reviewed | USGS → |
At 16:16 UTC on August 19, 2023, a magnitude 2.4 tremor occurred 5 km W of Isla Vista, CA. The event was offshore. See the M2.4 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 19, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.