Earthquakes on July 17, 2026

322
EARTHQUAKES on July 17, 2026
24-hour UTC period · USGS data
22 km deep · 288 people felt it
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
20
M4.0–4.9
98
M3.0–3.9
8
M2.0–2.9
57
M1.0–1.9
139

Activity Summary

322
Total earthquakes
~250
Daily average
Elevated
Activity level
20
M5.0+ events

Geographic Breakdown

Earthquake Map — July 17, 2026

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — July 17, 2026

Showing 30 of 183 (filtered from 322)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2026-07-17
2026-07-17 23:47:57 UTC
4.6mb
92 km SW of Puerto Madero, Mexico
14.133°, -93.032°
10.0 km---✓ ReviewedUSGS →
This magnitude 4.6 event was detected 92 km SW of Puerto Madero, Mexico on July 17, 2026, with origin time 23:47 UTC. It arrived roughly 8 hours after a larger magnitude 6.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 23:35:06 UTC
4.7mb
88 km SW of Puerto Madero, Mexico
14.160°, -93.011°
10.0 km---✓ ReviewedUSGS →
July 17, 2026 brought a magnitude 4.7 earthquake 88 km SW of Puerto Madero, Mexico, logged at 23:35 UTC. Coming 8 hours after a magnitude 6.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 23:20:51 UTC
2.4ml
79 km S of Unalaska, Alaska
53.159°, -166.464°
33.9 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.4 earthquake 79 km S of Unalaska, Alaska with origin time 23:20 UTC on July 17, 2026. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 23:12:40 UTC
4.1mb
120 km WSW of Puerto Madero, Mexico
14.140°, -93.367°
10.0 km---✓ ReviewedUSGS →
This magnitude 4.1 event was detected 120 km WSW of Puerto Madero, Mexico on July 17, 2026, with origin time 23:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 8 hours earlier. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 23:05:46 UTC
4.1mb
65 km SW of Puerto Madero, Mexico
14.340°, -92.884°
35.0 km---✓ ReviewedUSGS →
Reports of a magnitude 4.1 earthquake 65 km SW of Puerto Madero, Mexico came in on July 17, 2026 at 23:05 UTC. Coming 5 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 23:05:09 UTC
2.7ml
226 km W of Adak, Alaska
51.620°, -179.891°
86.4 km---✓ ReviewedUSGS →
A magnitude 2.7 earthquake was recorded 226 km W of Adak, Alaska on July 17, 2026 at 23:05 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:59:55 UTC
4.2mb
42 km SSW of Puerto Madero, Mexico
14.385°, -92.608°
35.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.2 earthquake 42 km SSW of Puerto Madero, Mexico at 22:59 UTC on July 17, 2026. Coming 7 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:59:11 UTC
4.5mb
115 km ESE of Ollagüe, Chile
-21.749°, -67.292°
200.0 km---✓ ReviewedUSGS →
July 17, 2026 brought a magnitude 4.5 earthquake 115 km ESE of Ollagüe, Chile, logged at 22:59 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:54:28 UTC
4.2mb
83 km WSW of Puerto Madero, Mexico
14.454°, -93.146°
35.0 km---✓ ReviewedUSGS →
This magnitude 4.2 event was detected 83 km WSW of Puerto Madero, Mexico on July 17, 2026, with origin time 22:54 UTC. It arrived roughly 8 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:51:41 UTC
4.3mb
116 km SW of Puerto Madero, Mexico
14.007°, -93.211°
10.0 km---✓ ReviewedUSGS →
On July 17, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 116 km SW of Puerto Madero, Mexico at 22:51 UTC. Coming 8 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:35:27 UTC
4.5mb
57 km W of San Antonio de los Cobres, Argentina
-24.163°, -66.877°
191.5 km---✓ ReviewedUSGS →
On July 17, 2026 at 22:35 UTC, a magnitude 4.5 earthquake struck 57 km W of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:33:41 UTC
2.0ml
10 km S of Trapper Creek, Alaska
62.223°, -150.258°
12.9 km---✓ ReviewedUSGS →
July 17, 2026 brought a magnitude 2.0 earthquake 10 km S of Trapper Creek, Alaska, logged at 22:33 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:32:19 UTC
4.1mb
66 km WSW of Puerto Madero, Mexico
14.423°, -92.955°
35.0 km---✓ ReviewedUSGS →
A magnitude 4.1 seismic event took place 66 km WSW of Puerto Madero, Mexico on July 17, 2026 at 22:32 UTC. It arrived roughly 8 hours after a larger magnitude 7.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:24:03 UTC
2.0ml
24 km SSE of Adak, Alaska
51.668°, -176.521°
68.0 km---✓ ReviewedUSGS →
On July 17, 2026 at 22:24 UTC, a magnitude 2.0 earthquake struck 24 km SSE of Adak, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:20:11 UTC
4.4mb
133 km SW of Puerto Madero, Mexico
13.978°, -93.396°
10.0 km---✓ ReviewedUSGS →
At 22:20 UTC on July 17, 2026, a magnitude 4.4 tremor occurred 133 km SW of Puerto Madero, Mexico. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 6 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:13:03 UTC
5.4mww
86 km SW of Puerto Madero, Mexico
14.243°, -93.057°
10.0 km-III-✓ ReviewedUSGS →
Seismographs logged a magnitude 5.4 earthquake 86 km SW of Puerto Madero, Mexico with origin time 22:13 UTC on July 17, 2026. Coming 7 hours after a magnitude 6.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:08:43 UTC
3.4ml
233 km ESE of Attu Station, Alaska
51.960°, 176.300°
10.0 km-I-✓ ReviewedUSGS →
On July 17, 2026 at 22:08 UTC, a magnitude 3.4 earthquake struck 233 km ESE of Attu Station, Alaska. It arrived roughly 1 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:04:10 UTC
4.6mb
6 km NNE of Mangapapa, New Zealand
-38.587°, 178.041°
16.6 km---✓ ReviewedUSGS →
Reports of a magnitude 4.6 earthquake 6 km NNE of Mangapapa, New Zealand came in on July 17, 2026 at 22:04 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:02:37 UTC
4.1mb
37 km WSW of Puerto Madero, Mexico
14.535°, -92.714°
35.0 km---✓ ReviewedUSGS →
July 17, 2026 brought a magnitude 4.1 earthquake 37 km WSW of Puerto Madero, Mexico, logged at 22:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 6 hours earlier. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 22:00:22 UTC
4.1mb
111 km SW of Puerto Madero, Mexico
14.015°, -93.162°
10.0 km---✓ ReviewedUSGS →
On July 17, 2026 at 22:00 UTC, a magnitude 4.1 earthquake struck 111 km SW of Puerto Madero, Mexico. Coming 7 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:52:10 UTC
2.5ml
36 km N of Fishhook, Alaska
62.066°, -149.135°
23.1 km1--✓ ReviewedUSGS →
At 21:52 UTC on July 17, 2026, a magnitude 2.5 tremor occurred 36 km N of Fishhook, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:43:52 UTC
2.4md
2 km SW of Vonore, Tennessee
35.576°, -84.262°
17.3 km---✓ ReviewedUSGS →
A magnitude 2.4 earthquake was recorded 2 km SW of Vonore, Tennessee on July 17, 2026 at 21:43 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:43:37 UTC
4.2mb
61 km SSW of Puerto Madero, Mexico
14.249°, -92.721°
24.1 km---✓ ReviewedUSGS →
Reports of a magnitude 4.2 earthquake 61 km SSW of Puerto Madero, Mexico came in on July 17, 2026 at 21:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 4 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:38:27 UTC
4.0mb
105 km SW of Puerto Madero, Mexico
14.113°, -93.175°
10.0 km---✓ ReviewedUSGS →
At 21:38 UTC on July 17, 2026, a magnitude 4.0 tremor occurred 105 km SW of Puerto Madero, Mexico. It arrived roughly 6 hours after a larger magnitude 6.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:37:57 UTC
2.9md
79 km N of Cruz Bay, U.S. Virgin Islands
19.048°, -64.704°
20.1 km---✓ ReviewedUSGS →
Reports of a magnitude 2.9 earthquake 79 km N of Cruz Bay, U.S. Virgin Islands came in on July 17, 2026 at 21:37 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:35:45 UTC
4.3mb
127 km ESE of Kuril’sk, Russia
44.840°, 149.400°
35.0 km---✓ ReviewedUSGS →
At 21:35 UTC on July 17, 2026, a magnitude 4.3 tremor occurred 127 km ESE of Kuril’sk, Russia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:32:33 UTC
2.8ml
21 km NNW of False Pass, Alaska
55.036°, -163.523°
161.9 km---✓ ReviewedUSGS →
A magnitude 2.8 seismic event took place 21 km NNW of False Pass, Alaska on July 17, 2026 at 21:32 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:29:25 UTC
3.1ml
127 km E of Chalkyitsik, Alaska
66.605°, -140.842°
15.6 km---✓ ReviewedUSGS →
On July 17, 2026, worldwide seismic activity registered a magnitude 3.1 earthquake 127 km E of Chalkyitsik, Alaska at 21:29 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:11:42 UTC
4.2mb
105 km SW of Puerto Madero, Mexico
14.139°, -93.201°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.2 seismic event took place 105 km SW of Puerto Madero, Mexico on July 17, 2026 at 21:11 UTC. Coming 6 hours after a magnitude 6.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-07-17
2026-07-17 21:10:51 UTC
4.3mb
180 km NNE of Rabaul, Papua New Guinea
-2.737°, 152.877°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.3 earthquake 180 km NNE of Rabaul, Papua New Guinea at 21:10 UTC on July 17, 2026. See the M4.3 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 July 17, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.