Earthquakes on July 16, 2023
387
EARTHQUAKES on July 16, 2023
24-hour UTC period · USGS data
25 km deep · 165 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
31
M3.0–3.9
44
M2.0–2.9
118
M1.0–1.9
190
Activity Summary
387
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
7.2
2023 Sand Point, Alaska Earthquake
06:48 UTC · 25.0 km deep
Felt by 165
5.8
81 km SSW of Sand Point, Alaska
06:51 UTC · 35.0 km deep
5.2
106 km NNE of Finschhafen, Papua New Guinea
16:14 UTC · 140.9 km deep
5.1
3 km W of Paso de Arena, Mexico
13:44 UTC · 62.7 km deep
Felt by 11
4.9
Tristan da Cunha region
19:35 UTC · 10.0 km deep
4.9
77 km NE of Sanana, Indonesia
01:13 UTC · 10.0 km deep
4.8
Izu Islands, Japan region
12:00 UTC · 10.0 km deep
4.7
91 km SSW of Sand Point, Alaska
11:22 UTC · 42.3 km deep
Felt by 1
Earthquake Map — July 16, 2023
All Earthquakes — July 16, 2023
Showing 30 of 197 (filtered from 387)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-07-16 2023-07-16 23:03:48 UTC | 2.0ml | Rat Islands, Aleutian Islands, Alaska 51.004°, 179.017° | 25.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 16, 2023 at 23:03 UTC, a magnitude 2.0 earthquake struck near Rat Islands, Aleutian Islands, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 22:40:35 UTC | 2.3ml | 105 km S of Sand Point, Alaska 54.401°, -160.768° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
July 16, 2023 brought a magnitude 2.3 earthquake 105 km S of Sand Point, Alaska, logged at 22:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.2 earthquake that occurred about 16 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 22:30:07 UTC | 2.6ml | 48 km ESE of Plush, Oregon 42.198°, -119.384° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 16, 2023 at 22:30 UTC, a magnitude 2.6 earthquake struck 48 km ESE of Plush, Oregon. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 22:18:04 UTC | 2.2ml | 75 km S of Sand Point, Alaska 54.666°, -160.624° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:18 UTC on July 16, 2023, a magnitude 2.2 tremor occurred 75 km S of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 15 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 22:17:57 UTC | 2.2md | 2 km NW of Redway, CA 40.135°, -123.841° | 23.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 16, 2023 at 22:17 UTC, a magnitude 2.2 earthquake struck 2 km NW of Redway, CA. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 22:04:50 UTC | 2.8ml | 85km SE of Estacion Coahuila, B.C., MX 31.599°, -114.441° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 16, 2023, worldwide seismic activity registered a magnitude 2.8 earthquake 85km SE of Estacion Coahuila, B.C., MX at 22:04 UTC. It arrived roughly 3 hours after a larger magnitude 4.6 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. | ||||||||
2023-07-16 2023-07-16 21:50:24 UTC | 4.2mb | 245 km E of Levuka, Fiji -17.942°, -178.373° | 613.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 245 km E of Levuka, Fiji on July 16, 2023 at 21:50 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 21:16:09 UTC | 2.7ml | 55 km NW of Toyah, Texas 31.674°, -104.203° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
July 16, 2023 brought a magnitude 2.7 earthquake 55 km NW of Toyah, Texas, logged at 21:16 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 21:16:02 UTC | 2.7ml | 87km ESE of Maneadero, B.C., MX 31.542°, -115.674° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 87km ESE of Maneadero, B.C., MX on July 16, 2023 at 21:16 UTC. Coming 11 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 21:13:08 UTC | 2.0ml | 55 km NW of Toyah, Texas 31.671°, -104.202° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 55 km NW of Toyah, Texas on July 16, 2023 at 21:13 UTC. Coming 17 hours after a magnitude 2.4 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. | ||||||||
2023-07-16 2023-07-16 21:01:55 UTC | 2.8ml | 87km SE of Estacion Coahuila, B.C., MX 31.589°, -114.425° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:01 UTC on July 16, 2023, a magnitude 2.8 tremor occurred 87km SE of Estacion Coahuila, B.C., MX. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 21:01:13 UTC | 2.4ml | 8 km NW of Prague, Oklahoma 35.533°, -96.760° | 7.9 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 8 km NW of Prague, Oklahoma on July 16, 2023, with origin time 21:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 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. | ||||||||
2023-07-16 2023-07-16 20:57:19 UTC | 3.1ml | 8 km SE of Sparks, Oklahoma 35.544°, -96.764° | 7.3 km | 1 | - | - | ✓ Reviewed | USGS → |
July 16, 2023 brought a magnitude 3.1 earthquake 8 km SE of Sparks, Oklahoma, logged at 20:57 UTC. It arrived roughly 1 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 20:57:11 UTC | 2.5ml | 26 km S of Westbrook, Texas 32.122°, -101.051° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:57 UTC on July 16, 2023, a magnitude 2.5 tremor occurred 26 km S of Westbrook, Texas. 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. | ||||||||
2023-07-16 2023-07-16 20:54:47 UTC | 3.4ml | 9 km NW of Prague, Oklahoma 35.540°, -96.760° | 6.8 km | 28 | - | - | ✓ Reviewed | USGS → |
On July 16, 2023, worldwide seismic activity registered a magnitude 3.4 earthquake 9 km NW of Prague, Oklahoma at 20:54 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 20:51:41 UTC | 2.5md | 0 km NE of Capitanejo, Puerto Rico 18.019°, -66.526° | 15.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 16, 2023, worldwide seismic activity registered a magnitude 2.5 earthquake 0 km NE of Capitanejo, Puerto Rico at 20:51 UTC. Coming 17 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 20:36:18 UTC | 2.2ml | 112 km SE of Chignik, Alaska 55.619°, -157.067° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 112 km SE of Chignik, Alaska at 20:36 UTC on July 16, 2023. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 20:07:22 UTC | 3.9mb | 121 km S of Sand Point, Alaska 54.257°, -160.743° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.9 earthquake 121 km S of Sand Point, Alaska at 20:07 UTC on July 16, 2023. Coming 13 hours after a magnitude 7.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 20:00:09 UTC | 3.2ml | 83 km SSW of Sand Point, Alaska 54.665°, -161.093° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 83 km SSW of Sand Point, Alaska on July 16, 2023 at 20:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 13 hours earlier. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:54:56 UTC | 2.8ml | 88 km S of Sand Point, Alaska 54.543°, -160.657° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 88 km S of Sand Point, Alaska at 19:54 UTC on July 16, 2023. This event falls inside the aftershock decay of a nearby magnitude 7.2 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:37:55 UTC | 2.1ml | 20 km SW of Susitna, Alaska 61.426°, -150.798° | 58.1 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 20 km SW of Susitna, Alaska on July 16, 2023 at 19:37 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:37:19 UTC | 4.3mw | 92km SE of Estacion Coahuila, B.C., MX 31.542°, -114.397° | 6.0 km | 4 | IV | green | ✓ Reviewed | USGS → |
On July 16, 2023 at 19:37 UTC, a magnitude 4.3 earthquake struck 92km SE of Estacion Coahuila, B.C., MX. Coming 1 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:35:48 UTC | 4.9mb | Tristan da Cunha region -34.995°, -15.218° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:35 UTC on July 16, 2023, a magnitude 4.9 tremor occurred in the Tristan da Cunha region. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:33:20 UTC | 3.1ml | 94km SE of Estacion Coahuila, B.C., MX 31.530°, -114.384° | 6.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On July 16, 2023, worldwide seismic activity registered a magnitude 3.1 earthquake 94km SE of Estacion Coahuila, B.C., MX at 19:33 UTC. It arrived roughly 1 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:29:14 UTC | 2.4ml | 115 km S of Sand Point, Alaska 54.303°, -160.556° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:29 UTC on July 16, 2023, a magnitude 2.4 tremor occurred 115 km S of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 7.2 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:25:54 UTC | 4.1mb | 44 km SSE of Gerāsh, Iran 27.318°, 54.350° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 44 km SSE of Gerāsh, Iran at 19:25 UTC on July 16, 2023. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:18:22 UTC | 4.5mb | 5 km WSW of Balangiga, Philippines 11.093°, 125.339° | 85.2 km | - | - | - | ✓ Reviewed | USGS → |
On July 16, 2023 at 19:18 UTC, a magnitude 4.5 earthquake struck 5 km WSW of Balangiga, Philippines. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 19:16:05 UTC | 4.6mw | 89km SE of Estacion Coahuila, B.C., MX 31.566°, -114.415° | 6.0 km | 15 | IV | green | ✓ Reviewed | USGS → |
July 16, 2023 brought a magnitude 4.6 earthquake 89km SE of Estacion Coahuila, B.C., MX, logged at 19:16 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 18:34:22 UTC | 2.6ml | 11 km SE of Pāhala, Hawaii 19.138°, -155.398° | 31.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 11 km SE of Pāhala, Hawaii on July 16, 2023, with origin time 18:34 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-16 2023-07-16 18:27:24 UTC | 2.9ml | 129 km S of Sand Point, Alaska 54.174°, -160.635° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
July 16, 2023 brought a magnitude 2.9 earthquake 129 km S of Sand Point, Alaska, logged at 18:27 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.9 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 July 16, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.