Earthquakes on May 15, 2021
222
EARTHQUAKES on May 15, 2021
24-hour UTC period · USGS data
12 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
35
M3.0–3.9
6
M2.0–2.9
44
M1.0–1.9
133
Activity Summary
222
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Northern Mariana Islands
2
Significant Earthquakes (M4.5+)
5.5
238 km E of Tadine, New Caledonia
01:58 UTC · 12.1 km deep
5.4
southeast of Easter Island
01:53 UTC · 10.0 km deep
Felt by 1
5.2
144 km SSE of Lata, Solomon Islands
12:52 UTC · 62.5 km deep
5.0
130 km SE of Kokopo, Papua New Guinea
20:13 UTC · 41.3 km deep
4.9
Ascension Island region
21:42 UTC · 10.0 km deep
4.9
South Georgia Island region
06:59 UTC · 10.0 km deep
4.7
43 km WSW of Tari, Papua New Guinea
21:23 UTC · 10.0 km deep
Felt by 1
4.7
101 km NE of Hasaki, Japan
11:03 UTC · 20.7 km deep
Earthquake Map — May 15, 2021

All Earthquakes — May 15, 2021
Showing 30 of 89 (filtered from 222)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-05-15 2021-05-15 23:13:15 UTC | 2.1ml | 20km S of Trona, CA 35.587°, -117.413° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On May 15, 2021 at 23:13 UTC, a magnitude 2.1 earthquake struck 20km S of Trona, CA. Coming 1 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 23:10:04 UTC | 2.0ml | 15 km ENE of Pleasant Valley, Alaska 64.934°, -146.570° | 18.2 km | - | - | - | ✓ Reviewed | USGS → |
At 23:10 UTC on May 15, 2021, a magnitude 2.0 tremor occurred 15 km ENE of Pleasant Valley, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 23:06:24 UTC | 4.0mb | 13 km NNE of Sungurlu, Turkey 40.279°, 34.440° | 4.9 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 13 km NNE of Sungurlu, Turkey came in on May 15, 2021 at 23:06 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 23:04:10 UTC | 2.5ml | 20km S of Trona, CA 35.587°, -117.413° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On May 15, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 20km S of Trona, CA at 23:04 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 23:02:19 UTC | 2.4ml | 53 km SSW of Whites City, New Mexico 31.724°, -104.573° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
On May 15, 2021 at 23:02 UTC, a magnitude 2.4 earthquake struck 53 km SSW of Whites City, New Mexico. It arrived roughly 17 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 22:19:06 UTC | 4.1mb | 4 km SSE of Mitsukaid?, Japan 35.979°, 140.007° | 59.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 15, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake 4 km SSE of Mitsukaid?, Japan at 22:19 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 22:04:48 UTC | 2.1ml | 4 km SE of P?hala, Hawaii 19.171°, -155.454° | 38.2 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 4 km SE of P?hala, Hawaii on May 15, 2021, with origin time 22:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 21:42:58 UTC | 4.9mb | Ascension Island region -5.589°, -11.423° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:42 UTC on May 15, 2021, a magnitude 4.9 tremor occurred in the Ascension Island region. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 21:23:55 UTC | 4.7mb | 43 km WSW of Tari, Papua New Guinea -6.062°, 142.622° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 43 km WSW of Tari, Papua New Guinea on May 15, 2021, with origin time 21:23 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 20:38:53 UTC | 2.2ml | 4 km E of P?hala, Hawaii 19.208°, -155.439° | 34.6 km | - | - | - | Auto | USGS → |
On May 15, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 4 km E of P?hala, Hawaii at 20:38 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 20:37:42 UTC | 4.5mb | 72 km ENE of Lakatoro, Vanuatu -15.828°, 168.033° | 152.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 72 km ENE of Lakatoro, Vanuatu on May 15, 2021 at 20:37 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 20:19:40 UTC | 2.2ml | 6 km SE of Gardendale, Texas 31.975°, -102.331° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 6 km SE of Gardendale, Texas at 20:19 UTC on May 15, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 20:19:40 UTC | 4.3mb | 227 km S of Shimoda, Japan 32.625°, 138.886° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 227 km S of Shimoda, Japan on May 15, 2021 at 20:19 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 20:13:22 UTC | 5.0mb | 130 km SE of Kokopo, Papua New Guinea -5.074°, 153.197° | 41.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 15, 2021, worldwide seismic activity registered a magnitude 5.0 earthquake 130 km SE of Kokopo, Papua New Guinea at 20:13 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 19:37:30 UTC | 2.4ml | 5 km E of Shell, Wyoming 44.541°, -107.710° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 5 km E of Shell, Wyoming on May 15, 2021 at 19:37 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 19:14:18 UTC | 4.3mb | 51 km S of Lata, Solomon Islands -11.189°, 165.821° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 15, 2021 brought a magnitude 4.3 earthquake 51 km S of Lata, Solomon Islands, logged at 19:14 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 18:43:27 UTC | 4.1mb | 88 km SSE of San Jose Village, Northern Mariana Islands 14.238°, 145.948° | 45.5 km | - | - | - | ✓ Reviewed | USGS → |
At 18:43 UTC on May 15, 2021, a magnitude 4.1 tremor occurred 88 km SSE of San Jose Village, Northern Mariana Islands. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 18:21:26 UTC | 4.2mb | 12 km E of El Bajío, Mexico 16.874°, -94.921° | 106.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 12 km E of El Bajío, Mexico on May 15, 2021 at 18:21 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 16:56:28 UTC | 2.4ml | 7 km ENE of P?hala, Hawaii 19.223°, -155.409° | 32.2 km | - | - | - | Auto | USGS → |
This magnitude 2.4 event was detected 7 km ENE of P?hala, Hawaii on May 15, 2021, with origin time 16:56 UTC. It arrived roughly 4 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 15:47:56 UTC | 4.3mb | 276 km S of Sinabang, Indonesia 0.010°, 96.752° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 15, 2021 at 15:47 UTC, a magnitude 4.3 earthquake struck 276 km S of Sinabang, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 15:38:13 UTC | 2.4md | 18 km S of Guánica, Puerto Rico 17.805°, -66.880° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 15, 2021 brought a magnitude 2.4 earthquake 18 km S of Guánica, Puerto Rico, logged at 15:38 UTC. Coming 12 hours after a magnitude 3.0 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. | ||||||||
2021-05-15 2021-05-15 15:35:02 UTC | 2.7ml | 72 km ESE of Denali National Park, Alaska 63.246°, -150.425° | 106.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 72 km ESE of Denali National Park, Alaska came in on May 15, 2021 at 15:35 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 14:46:30 UTC | 2.0ml | 7 km SE of Gardendale, Texas 31.973°, -102.329° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 7 km SE of Gardendale, Texas at 14:46 UTC on May 15, 2021. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 14:43:37 UTC | 2.4ml | 11 km NW of Point MacKenzie, Alaska 61.439°, -150.127° | 0.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 11 km NW of Point MacKenzie, Alaska with origin time 14:43 UTC on May 15, 2021. 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. | ||||||||
2021-05-15 2021-05-15 14:41:26 UTC | 4.3mb | Kermadec Islands, New Zealand -30.736°, -178.663° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded near Kermadec Islands, New Zealand on May 15, 2021 at 14:41 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 14:04:53 UTC | 2.0ml | 53 km WNW of Beatty, Nevada 37.100°, -117.306° | 13.2 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 53 km WNW of Beatty, Nevada on May 15, 2021, with origin time 14:04 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 13:02:38 UTC | 2.1ml | 4 km ENE of P?hala, Hawaii 19.219°, -155.434° | 33.5 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 4 km ENE of P?hala, Hawaii came in on May 15, 2021 at 13:02 UTC. Coming 1 hours after a magnitude 2.7 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. | ||||||||
2021-05-15 2021-05-15 12:52:48 UTC | 5.2mww | 144 km SSE of Lata, Solomon Islands -11.830°, 166.507° | 62.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake 144 km SSE of Lata, Solomon Islands with origin time 12:52 UTC on May 15, 2021. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 12:33:49 UTC | 2.7ml | 4 km S of P?hala, Hawaii 19.165°, -155.480° | 32.8 km | - | - | - | Auto | USGS → |
On May 15, 2021 at 12:33 UTC, a magnitude 2.7 earthquake struck 4 km S of P?hala, Hawaii. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-05-15 2021-05-15 12:27:03 UTC | 4.3mb | 231 km NE of Gisborne, New Zealand -37.456°, -179.832° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 231 km NE of Gisborne, New Zealand with origin time 12:27 UTC on May 15, 2021. The event was offshore. 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 May 15, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.