Earthquakes on July 17, 2021
500
EARTHQUAKES on July 17, 2021
24-hour UTC period · USGS data
LARGEST: M6.1 — 135 km S of Burica, Panama
4 km deep · 101 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
26
M3.0–3.9
7
M2.0–2.9
92
M1.0–1.9
370
Activity Summary
500
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
6.1
135 km S of Burica, Panama
20:56 UTC · 4.1 km deep
Felt by 101
5.5
northern Mid-Atlantic Ridge
21:31 UTC · 10.0 km deep
5.5
Fiji region
03:23 UTC · 563.0 km deep
5.2
29 km NE of Kitsuki, Japan
11:49 UTC · 63.6 km deep
Felt by 14
5.1
southern East Pacific Rise
23:46 UTC · 10.0 km deep
4.9
southern Mid-Atlantic Ridge
08:25 UTC · 10.0 km deep
4.9
southern Mid-Atlantic Ridge
07:27 UTC · 10.0 km deep
4.8
129 km W of Panguna, Papua New Guinea
11:20 UTC · 10.0 km deep
Earthquake Map — July 17, 2021
All Earthquakes — July 17, 2021
Showing 30 of 130 (filtered from 500)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-07-17 2021-07-17 23:56:40 UTC | 2.2ml | 3 km S of P?hala, Hawaii 19.169°, -155.472° | 32.2 km | 1 | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 3 km S of P?hala, Hawaii at 23:56 UTC on July 17, 2021. Coming 12 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 23:56:18 UTC | 2.1ml | 25 km WSW of Susitna, Alaska 61.446°, -150.937° | 64.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 17, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 25 km WSW of Susitna, Alaska at 23:56 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 23:51:20 UTC | 4.4mb | 32 km SSE of Juradó, Colombia 6.819°, -77.675° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 32 km SSE of Juradó, Colombia came in on July 17, 2021 at 23:51 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 23:46:44 UTC | 5.1mw | southern East Pacific Rise -55.327°, -124.883° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:46 UTC on July 17, 2021, a magnitude 5.1 tremor occurred near southern East Pacific Rise. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 23:39:23 UTC | 4.5mb | south of the Kermadec Islands -33.268°, -178.223° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 17, 2021 at 23:39 UTC, a magnitude 4.5 earthquake struck south of the Kermadec Islands. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 22:57:43 UTC | 2.2ml | 9 km SSE of P?hala, Hawaii 19.122°, -155.437° | 32.2 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 9 km SSE of P?hala, Hawaii at 22:57 UTC on July 17, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 11 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 22:26:48 UTC | 2.8ml | 123 km SSE of Sand Point, Alaska 54.338°, -159.667° | 23.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 17, 2021 at 22:26 UTC, a magnitude 2.8 earthquake struck 123 km SSE of Sand Point, Alaska. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 22:22:27 UTC | 2.8md | 28km SE of Markleeville, CA 38.529°, -119.543° | 3.1 km | 5 | - | - | ✓ Reviewed | USGS → |
At 22:22 UTC on July 17, 2021, a magnitude 2.8 tremor occurred 28km SE of Markleeville, CA. Coming 13 hours after a magnitude 3.5 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. | ||||||||
2021-07-17 2021-07-17 22:19:28 UTC | 2.2ml | 10 km WSW of Falls City, Texas 28.929°, -98.110° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 10 km WSW of Falls City, Texas on July 17, 2021, with origin time 22:19 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 22:07:14 UTC | 2.6ml | 45 km NW of Stanley, Idaho 44.548°, -115.267° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 45 km NW of Stanley, Idaho at 22:07 UTC on July 17, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 22:03:37 UTC | 2.7ml | 64 km S of Whites City, New Mexico 31.609°, -104.506° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 64 km S of Whites City, New Mexico came in on July 17, 2021 at 22:03 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:58:30 UTC | 2.2ml | 6 km E of P?hala, Hawaii 19.205°, -155.418° | 33.6 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 6 km E of P?hala, Hawaii with origin time 21:58 UTC on July 17, 2021. Coming 10 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:47:05 UTC | 3.1ml | 136 km E of McCarthy, Alaska 61.462°, -140.365° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
At 21:47 UTC on July 17, 2021, a magnitude 3.1 tremor occurred 136 km E of McCarthy, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:46:29 UTC | 2.9ml | 266 km S of Akhiok, Alaska 54.554°, -153.973° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 266 km S of Akhiok, Alaska on July 17, 2021 at 21:46 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:31:18 UTC | 5.5mww | northern Mid-Atlantic Ridge 28.440°, -43.686° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
A magnitude 5.5 earthquake was recorded near northern Mid-Atlantic Ridge on July 17, 2021 at 21:31 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:29:00 UTC | 3.0ml | 43 km N of Valdez, Alaska 61.516°, -146.437° | 21.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 43 km N of Valdez, Alaska came in on July 17, 2021 at 21:29 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:27:12 UTC | 2.3ml | 6 km E of P?hala, Hawaii 19.204°, -155.419° | 33.3 km | - | - | - | Auto | USGS → |
A magnitude 2.3 earthquake was recorded 6 km E of P?hala, Hawaii on July 17, 2021 at 21:27 UTC. It arrived roughly 10 hours after a larger magnitude 2.4 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. | ||||||||
2021-07-17 2021-07-17 21:20:22 UTC | 4.4mb | 35 km NNE of Lae, Papua New Guinea -6.412°, 147.068° | 75.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 35 km NNE of Lae, Papua New Guinea on July 17, 2021 at 21:20 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 21:18:05 UTC | 2.0md | 6 km E of P?hala, Hawaii 19.208°, -155.420° | 33.1 km | - | - | - | Auto | USGS → |
On July 17, 2021 at 21:18 UTC, a magnitude 2.0 earthquake struck 6 km E of P?hala, Hawaii. It arrived roughly 10 hours after a larger magnitude 2.4 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. | ||||||||
2021-07-17 2021-07-17 21:15:08 UTC | 2.0ml | 5 km WNW of Princeton, Canada 49.478°, -120.573° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 5 km WNW of Princeton, Canada at 21:15 UTC on July 17, 2021. 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. | ||||||||
2021-07-17 2021-07-17 20:59:32 UTC | 2.8ml | 67 km ENE of Independence, California 37.050°, -117.510° | 16.0 km | 3 | - | - | Auto | USGS → |
A magnitude 2.8 earthquake was recorded 67 km ENE of Independence, California on July 17, 2021 at 20:59 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 20:56:10 UTC | 6.1mww | 135 km S of Burica, Panama 6.826°, -82.677° | 4.1 km | 101 | IV | green | ✓ Reviewed | USGS → |
On July 17, 2021 at 20:56 UTC, a magnitude 6.1 earthquake struck 135 km S of Burica, Panama. 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 July 17, 2021. See the M6.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 20:55:39 UTC | 4.2mb | 130 km SSE of Burica, Panama 6.875°, -82.625° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 130 km SSE of Burica, Panama came in on July 17, 2021 at 20:55 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 20:33:46 UTC | 2.3ml | 115 km SSE of Ugashik, Alaska 56.614°, -156.442° | 46.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 115 km SSE of Ugashik, Alaska at 20:33 UTC on July 17, 2021. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 20:29:08 UTC | 4.3mb | 153 km SE of Kirakira, Solomon Islands -11.301°, 163.031° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 153 km SE of Kirakira, Solomon Islands with origin time 20:29 UTC on July 17, 2021. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 20:12:14 UTC | 2.5md | 5 km WSW of Guánica, Puerto Rico 17.955°, -66.956° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 17, 2021 brought a magnitude 2.5 earthquake 5 km WSW of Guánica, Puerto Rico, logged at 20:12 UTC. It arrived roughly 3 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 20:07:58 UTC | 2.3ml | 4km N of Delta, B.C., MX 32.388°, -115.197° | 15.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 17, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 4km N of Delta, B.C., MX at 20:07 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 19:48:23 UTC | 2.2ml | 8 km ENE of Barstow, Texas 31.478°, -103.302° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 8 km ENE of Barstow, Texas came in on July 17, 2021 at 19:48 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-17 2021-07-17 19:30:35 UTC | 2.2ml | 55 km NE of Chenega, Alaska 60.448°, -147.373° | 2.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 55 km NE of Chenega, Alaska on July 17, 2021 at 19:30 UTC. 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. | ||||||||
2021-07-17 2021-07-17 19:29:47 UTC | 2.7ml | 33 km E of Fallon Station, Nevada 39.438°, -118.325° | 15.9 km | 1 | - | - | Auto | USGS → |
A magnitude 2.7 seismic event took place 33 km E of Fallon Station, Nevada on July 17, 2021 at 19:29 UTC. The event was offshore. See the M2.7 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.