Earthquakes on May 17, 2021
259
EARTHQUAKES on May 17, 2021
24-hour UTC period · USGS data
LARGEST: M5.4 — 288 km WSW of Adak, Alaska
31 km deep · 2 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
38
M3.0–3.9
7
M2.0–2.9
48
M1.0–1.9
162
Activity Summary
259
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
288 km WSW of Adak, Alaska
20:25 UTC · 30.8 km deep
Felt by 2
5.4
57 km WSW of Bojn?rd, Iran
00:54 UTC · 7.0 km deep
Felt by 1
5.3
western Indian-Antarctic Ridge
01:09 UTC · 10.0 km deep
5.1
215 km WSW of Haveluloto, Tonga
00:31 UTC · 237.6 km deep
4.9
Balleny Islands region
00:50 UTC · 10.0 km deep
4.9
Izu Islands, Japan region
00:07 UTC · 10.0 km deep
4.8
Nias region, Indonesia
12:21 UTC · 10.0 km deep
4.8
48 km ESE of Yonakuni, Japan
11:01 UTC · 16.5 km deep
Earthquake Map — May 17, 2021
All Earthquakes — May 17, 2021
Showing 30 of 97 (filtered from 259)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-05-17 2021-05-17 23:58:39 UTC | 4.3mb | 100 km SSW of Kushiro, Japan 42.112°, 144.028° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 100 km SSW of Kushiro, Japan with origin time 23:58 UTC on May 17, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 23:57:57 UTC | 2.1md | 5 km SSE of P?hala, Hawaii 19.160°, -155.459° | 35.1 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 5 km SSE of P?hala, Hawaii on May 17, 2021 at 23:57 UTC. It arrived roughly 22 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 23:56:30 UTC | 2.0ml | 6 km SE of Gardendale, Texas 31.978°, -102.330° | 7.4 km | 1 | - | - | ✓ Reviewed | USGS → |
On May 17, 2021 at 23:56 UTC, a magnitude 2.0 earthquake struck 6 km SE of Gardendale, Texas. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 23:19:26 UTC | 2.7md | 5 km SE of La Parguera, Puerto Rico 17.941°, -67.013° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:19 UTC on May 17, 2021, a magnitude 2.7 tremor occurred 5 km SE of La Parguera, Puerto Rico. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 23:13:02 UTC | 2.1ml | 105 km S of McCarthy, Alaska 60.484°, -143.032° | 0.0 km | - | - | - | Auto | USGS → |
May 17, 2021 brought a magnitude 2.1 earthquake 105 km S of McCarthy, Alaska, logged at 23:13 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. | ||||||||
2021-05-17 2021-05-17 22:54:34 UTC | 4.1mb | 261 km SW of Mawlamyinegyunn, Myanmar 14.539°, 93.733° | 25.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 261 km SW of Mawlamyinegyunn, Myanmar at 22:54 UTC on May 17, 2021. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 22:45:31 UTC | 4.2mb | 29 km NNW of Tobelo, Indonesia 1.976°, 127.903° | 233.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 29 km NNW of Tobelo, Indonesia on May 17, 2021 at 22:45 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 22:33:15 UTC | 2.5ml | 3 km ENE of Girdwood, Alaska 60.953°, -149.102° | 13.0 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 3 km ENE of Girdwood, Alaska on May 17, 2021 at 22:33 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 21:39:09 UTC | 2.0ml | 52 km NNE of Chase, Alaska 62.888°, -149.741° | 49.6 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 52 km NNE of Chase, Alaska on May 17, 2021 at 21:39 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 21:29:16 UTC | 4.6mb | Izu Islands, Japan region 29.675°, 141.406° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 17, 2021 at 21:29 UTC, a magnitude 4.6 earthquake struck in the Izu Islands, Japan region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 21:21:06 UTC | 4.3mb | 172 km SE of Kokopo, Papua New Guinea -5.354°, 153.448° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 17, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 172 km SE of Kokopo, Papua New Guinea at 21:21 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 21:20:03 UTC | 2.6md | 0 km NE of Guánica, Puerto Rico 17.975°, -66.903° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
May 17, 2021 brought a magnitude 2.6 earthquake 0 km NE of Guánica, Puerto Rico, logged at 21:20 UTC. Coming 1 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 21:05:47 UTC | 2.1md | 10km WSW of Toms Place, CA 37.517°, -118.774° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 10km WSW of Toms Place, CA came in on May 17, 2021 at 21:05 UTC. Coming 1 hours after a magnitude 3.1 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. | ||||||||
2021-05-17 2021-05-17 20:25:08 UTC | 5.4mww | 288 km WSW of Adak, Alaska 51.202°, 179.346° | 30.8 km | 2 | IV | green | ✓ Reviewed | USGS → |
On May 17, 2021 at 20:25 UTC, a magnitude 5.4 earthquake struck 288 km WSW of Adak, Alaska. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 20:04:46 UTC | 2.6md | 4 km SSE of Guánica, Puerto Rico 17.940°, -66.886° | 12.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 4 km SSE of Guánica, Puerto Rico on May 17, 2021 at 20:04 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 19:56:08 UTC | 4.1mb | Halmahera, Indonesia 1.493°, 128.270° | 88.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected near Halmahera, Indonesia on May 17, 2021, with origin time 19:56 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 19:49:55 UTC | 2.8ml | 9km SE of Dollar Point, CA 39.127°, -120.034° | 7.3 km | 37 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 9km SE of Dollar Point, CA on May 17, 2021 at 19:49 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 19:45:32 UTC | 3.1md | 10km WSW of Toms Place, CA 37.519°, -118.774° | 5.5 km | 10 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 10km WSW of Toms Place, CA came in on May 17, 2021 at 19:45 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 19:37:02 UTC | 2.9ml | 10km WSW of Toms Place, CA 37.518°, -118.775° | 5.5 km | 3 | - | - | ✓ Reviewed | USGS → |
May 17, 2021 brought a magnitude 2.9 earthquake 10km WSW of Toms Place, CA, logged at 19:37 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 19:24:39 UTC | 3.4mw | 9km SE of Dollar Point, CA 39.127°, -120.032° | 7.2 km | 281 | III | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.4 earthquake 9km SE of Dollar Point, CA with origin time 19:24 UTC on May 17, 2021. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 18:52:32 UTC | 4.3mb | 4 km ESE of Betulia, Colombia 6.891°, -73.241° | 148.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:52 UTC on May 17, 2021, a magnitude 4.3 tremor occurred 4 km ESE of Betulia, Colombia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 17:52:53 UTC | 2.1ml | 1 km W of Quinton, Oklahoma 35.124°, -95.383° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
At 17:52 UTC on May 17, 2021, a magnitude 2.1 tremor occurred 1 km W of Quinton, Oklahoma. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 17:32:23 UTC | 2.0md | 5 km SE of P?hala, Hawaii 19.165°, -155.443° | 36.5 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 5 km SE of P?hala, Hawaii on May 17, 2021 at 17:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 15 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 17:15:16 UTC | 4.4mb | 66 km N of Isangel, Vanuatu -18.947°, 169.185° | 232.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 66 km N of Isangel, Vanuatu at 17:15 UTC on May 17, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 17:01:06 UTC | 2.4ml | 1 km SW of P?hala, Hawaii 19.193°, -155.487° | 32.3 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.4 earthquake 1 km SW of P?hala, Hawaii at 17:01 UTC on May 17, 2021. Coming 15 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 16:34:58 UTC | 2.4md | 12km NW of Truckee, CA 39.405°, -120.277° | -2.1 km | 15 | - | - | ✓ Reviewed | USGS → |
At 16:34 UTC on May 17, 2021, a magnitude 2.4 tremor occurred 12km NW of Truckee, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 16:28:39 UTC | 2.7ml | 9 km SE of Tyonek, Alaska 61.010°, -151.019° | 32.9 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.7 earthquake 9 km SE of Tyonek, Alaska at 16:28 UTC on May 17, 2021. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 15:58:39 UTC | 2.4md | 12km W of Petrolia, CA 40.304°, -124.424° | 15.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 12km W of Petrolia, CA came in on May 17, 2021 at 15:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 15:49:04 UTC | 4.1mb | 212 km S of Shimoda, Japan 32.759°, 139.016° | 217.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 212 km S of Shimoda, Japan came in on May 17, 2021 at 15:49 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-17 2021-05-17 15:47:57 UTC | 4.1mb | Fiji region -19.231°, -177.425° | 560.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place in the Fiji region on May 17, 2021 at 15:47 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 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 May 17, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.