Earthquakes on May 16, 2021
274
EARTHQUAKES on May 16, 2021
24-hour UTC period · USGS data
LARGEST: M5.7 — 106 km S of Kushiro, Japan
9 km deep · 4 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
35
M3.0–3.9
10
M2.0–2.9
60
M1.0–1.9
166
Activity Summary
274
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
106 km S of Kushiro, Japan
03:23 UTC · 9.0 km deep
Felt by 4
5.3
55 km WSW of Bojn?rd, Iran
23:04 UTC · 10.0 km deep
Felt by 12
5.2
146 km SSW of Kokopo, Papua New Guinea
07:28 UTC · 43.6 km deep
4.8
153 km SSW of Kokopo, Papua New Guinea
07:40 UTC · 35.0 km deep
4.7
76 km WNW of Mohr, Iran
17:32 UTC · 10.0 km deep
4.7
Bonin Islands, Japan region
14:36 UTC · 10.0 km deep
4.7
south of the Kermadec Islands
08:28 UTC · 10.0 km deep
4.7
61 km NW of Nuku‘alofa, Tonga
06:28 UTC · 166.9 km deep
Earthquake Map — May 16, 2021

All Earthquakes — May 16, 2021
Showing 30 of 108 (filtered from 274)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-05-16 2021-05-16 23:43:09 UTC | 2.4ml | 110 km S of King Cove, Alaska 54.069°, -162.169° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 110 km S of King Cove, Alaska on May 16, 2021, with origin time 23:43 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 23:39:41 UTC | 4.4mb | 12 km SSW of Lata, Solomon Islands -10.826°, 165.737° | 51.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 12 km SSW of Lata, Solomon Islands at 23:39 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 23:19:12 UTC | 2.0md | 1 km SSE of P?hala, Hawaii 19.187°, -155.472° | 32.0 km | - | - | - | Auto | USGS → |
May 16, 2021 brought a magnitude 2.0 earthquake 1 km SSE of P?hala, Hawaii, logged at 23:19 UTC. It arrived roughly 7 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 23:14:24 UTC | 4.5mb | South Shetland Islands -62.425°, -58.324° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021 at 23:14 UTC, a magnitude 4.5 earthquake struck near South Shetland Islands. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 23:13:52 UTC | 3.7md | 93 km NNE of Cruz Bay, U.S. Virgin Islands 19.160°, -64.615° | 52.0 km | - | - | - | ✓ Reviewed | USGS → |
May 16, 2021 brought a magnitude 3.7 earthquake 93 km NNE of Cruz Bay, U.S. Virgin Islands, logged at 23:13 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 23:04:56 UTC | 5.3mww | 55 km WSW of Bojn?rd, Iran 37.303°, 56.745° | 10.0 km | 12 | VI | green | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 55 km WSW of Bojn?rd, Iran on May 16, 2021 at 23:04 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 22:38:24 UTC | 3.7md | 93 km N of Charlotte Amalie, U.S. Virgin Islands 19.180°, -64.797° | 61.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021 at 22:38 UTC, a magnitude 3.7 earthquake struck 93 km N of Charlotte Amalie, U.S. Virgin Islands. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 22:26:23 UTC | 2.2ml | 59 km SSE of Cantwell, Alaska 62.933°, -148.353° | 12.4 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 59 km SSE of Cantwell, Alaska on May 16, 2021, with origin time 22:26 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 22:20:07 UTC | 2.1ml | 11 km NE of Hermleigh, Texas 32.718°, -100.685° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:20 UTC on May 16, 2021, a magnitude 2.1 tremor occurred 11 km NE of Hermleigh, Texas. It arrived roughly 4 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 22:17:57 UTC | 4.4mb | Kermadec Islands, New Zealand -29.600°, -178.330° | 143.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:17 UTC on May 16, 2021, a magnitude 4.4 tremor occurred near Kermadec Islands, New Zealand. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 22:07:22 UTC | 4.1mb | 41 km S of R?jula, India 20.661°, 71.479° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 41 km S of R?jula, India on May 16, 2021 at 22:07 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 21:58:52 UTC | 2.4ml | 71 km SSE of Chignik, Alaska 55.740°, -157.811° | 8.1 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 71 km SSE of Chignik, Alaska came in on May 16, 2021 at 21:58 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 21:48:01 UTC | 2.1ml | 40 km SE of Denali National Park, Alaska 63.288°, -151.142° | 4.4 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 40 km SE of Denali National Park, Alaska at 21:48 UTC on May 16, 2021. 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. | ||||||||
2021-05-16 2021-05-16 21:46:46 UTC | 3.2ml | 31 km SE of Tanana, Alaska 64.980°, -151.581° | 18.2 km | - | - | - | Auto | USGS → |
This magnitude 3.2 event was detected 31 km SE of Tanana, Alaska on May 16, 2021, with origin time 21:46 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 21:43:28 UTC | 4.3mb | Kermadec Islands region -28.542°, -178.983° | 361.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake in the Kermadec Islands region with origin time 21:43 UTC on May 16, 2021. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 21:30:41 UTC | 2.1ml | 5km SW of Salton City, CA 33.260°, -115.990° | 3.1 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 5km SW of Salton City, CA on May 16, 2021 at 21:30 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. | ||||||||
2021-05-16 2021-05-16 21:23:34 UTC | 2.3ml | 34 km NNE of Whittier, Alaska 61.056°, -148.409° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021 at 21:23 UTC, a magnitude 2.3 earthquake struck 34 km NNE of Whittier, Alaska. 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. | ||||||||
2021-05-16 2021-05-16 21:00:39 UTC | 2.2md | 3 km SSE of P?hala, Hawaii 19.171°, -155.470° | 31.9 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 3 km SSE of P?hala, Hawaii at 21:00 UTC on May 16, 2021. It arrived roughly 4 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 20:58:39 UTC | 2.6ml | 19 km SE of Mentasta Lake, Alaska 62.794°, -143.511° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 19 km SE of Mentasta Lake, Alaska came in on May 16, 2021 at 20:58 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 20:35:17 UTC | 4.3mb | south of the Fiji Islands -25.122°, 179.820° | 513.1 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake south of the Fiji Islands at 20:35 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 20:20:55 UTC | 2.2ml | 36 km SE of Mina, Nevada 38.171°, -117.802° | 12.9 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 36 km SE of Mina, Nevada came in on May 16, 2021 at 20:20 UTC. Coming 12 hours after a magnitude 3.6 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. | ||||||||
2021-05-16 2021-05-16 20:15:11 UTC | 2.7ml | 52 km WNW of Clam Gulch, Alaska 60.435°, -152.255° | 105.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021, worldwide seismic activity registered a magnitude 2.7 earthquake 52 km WNW of Clam Gulch, Alaska at 20:15 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 20:12:02 UTC | 3.3md | 92 km N of Charlotte Amalie, U.S. Virgin Islands 19.179°, -64.908° | 45.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:12 UTC on May 16, 2021, a magnitude 3.3 tremor occurred 92 km N of Charlotte Amalie, U.S. Virgin Islands. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 19:39:17 UTC | 2.5ml | 21 km SW of Lima, Montana 44.488°, -112.762° | 7.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 21 km SW of Lima, Montana with origin time 19:39 UTC on May 16, 2021. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 19:33:25 UTC | 2.4md | 4 km SE of La Parguera, Puerto Rico 17.949°, -67.019° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 4 km SE of La Parguera, Puerto Rico at 19:33 UTC on May 16, 2021. Coming 1 hours after a magnitude 3.4 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. | ||||||||
2021-05-16 2021-05-16 19:20:24 UTC | 3.4md | 3 km ESE of La Parguera, Puerto Rico 17.959°, -67.013° | 7.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On May 16, 2021, worldwide seismic activity registered a magnitude 3.4 earthquake 3 km ESE of La Parguera, Puerto Rico at 19:20 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 19:12:03 UTC | 2.5ml | 11 km ENE of Fox, Alaska 64.985°, -147.374° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 11 km ENE of Fox, Alaska at 19:12 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. | ||||||||
2021-05-16 2021-05-16 18:51:38 UTC | 2.3ml | 94 km N of Karluk, Alaska 58.421°, -154.448° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 94 km N of Karluk, Alaska on May 16, 2021 at 18:51 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 18:48:52 UTC | 2.6ml | 11 km NE of Hermleigh, Texas 32.718°, -100.681° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 11 km NE of Hermleigh, Texas on May 16, 2021 at 18:48 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-16 2021-05-16 17:58:03 UTC | 2.0ml | 66 km E of Cantwell, Alaska 63.457°, -147.636° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 16, 2021 at 17:58 UTC, a magnitude 2.0 earthquake struck 66 km E of Cantwell, Alaska. The event was offshore. See the M2.0 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 16, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.