Earthquakes on May 16, 2023

231
EARTHQUAKES on May 16, 2023
24-hour UTC period · USGS data
10 km deep
Normal activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
2
M4.0–4.9
37
M3.0–3.9
14
M2.0–2.9
43
M1.0–1.9
135

Activity Summary

231
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events

Geographic Breakdown

Top Countries (International)

Earthquake Map — May 16, 2023

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — May 16, 2023

Showing 30 of 96 (filtered from 231)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2023-05-16
2023-05-16 23:43:42 UTC
3.7ml
81 km ESE of Yakutat, Alaska
59.371°, -138.326°
7.6 km-V-✓ ReviewedUSGS →
Seismographs logged a magnitude 3.7 earthquake 81 km ESE of Yakutat, Alaska with origin time 23:43 UTC on May 16, 2023. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 23:06:50 UTC
2.2ml
59 km E of Port Alsworth, Alaska
60.150°, -153.241°
143.0 km---✓ ReviewedUSGS →
A magnitude 2.2 seismic event took place 59 km E of Port Alsworth, Alaska on May 16, 2023 at 23:06 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 22:47:53 UTC
2.4ml
55 km S of Whites City, New Mexico
31.673°, -104.338°
6.9 km---✓ ReviewedUSGS →
Reports of a magnitude 2.4 earthquake 55 km S of Whites City, New Mexico came in on May 16, 2023 at 22:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 22:04:42 UTC
2.7md
14 km NW of Rincón, Puerto Rico
18.418°, -67.363°
6.8 km---✓ ReviewedUSGS →
Reports of a magnitude 2.7 earthquake 14 km NW of Rincón, Puerto Rico came in on May 16, 2023 at 22:04 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 21:59:21 UTC
4.5mb
14 km WNW of Hinundayan, Philippines
10.377°, 125.123°
9.9 km---✓ ReviewedUSGS →
On May 16, 2023 at 21:59 UTC, a magnitude 4.5 earthquake struck 14 km WNW of Hinundayan, Philippines. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 21:56:24 UTC
4.7mb
112 km ESE of Kegen, Kazakhstan
42.821°, 80.572°
17.1 km---✓ ReviewedUSGS →
At 21:56 UTC on May 16, 2023, a magnitude 4.7 tremor occurred 112 km ESE of Kegen, Kazakhstan. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 21:32:16 UTC
4.5mb
South Sandwich Islands region
-56.223°, -27.748°
88.5 km---✓ ReviewedUSGS →
A magnitude 4.5 earthquake was recorded in the South Sandwich Islands region on May 16, 2023 at 21:32 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 21:29:25 UTC
2.6ml
9 km ENE of Pāhala, Hawaii
19.241°, -155.396°
31.6 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.6 earthquake 9 km ENE of Pāhala, Hawaii with origin time 21:29 UTC on May 16, 2023. Coming 14 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 21:29:01 UTC
4.7mb
North Atlantic Ocean
10.692°, -45.457°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.7 earthquake near North Atlantic Ocean at 21:29 UTC on May 16, 2023. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 20:39:16 UTC
4.2mb
53 km ESE of Greymouth, New Zealand
-42.605°, 171.820°
15.5 km---✓ ReviewedUSGS →
At 20:39 UTC on May 16, 2023, a magnitude 4.2 tremor occurred 53 km ESE of Greymouth, New Zealand. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 20:29:06 UTC
2.2md
5 km SE of Maricao, Puerto Rico
18.154°, -66.938°
22.4 km---✓ ReviewedUSGS →
May 16, 2023 brought a magnitude 2.2 earthquake 5 km SE of Maricao, Puerto Rico, logged at 20:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 17 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 20:23:41 UTC
3.1ml
7 km NE of Wright, Wyoming
43.798°, -105.418°
0.0 km---✓ ReviewedUSGS →
On May 16, 2023 at 20:23 UTC, a magnitude 3.1 earthquake struck 7 km NE of Wright, Wyoming. Coming 1 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 M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 20:22:27 UTC
4.5mb
108 km NW of Houma, Tonga
-20.479°, -176.041°
193.9 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.5 earthquake 108 km NW of Houma, Tonga with origin time 20:22 UTC on May 16, 2023. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 20:08:50 UTC
3.5ml
11 km SE of Wright, Wyoming
43.690°, -105.380°
0.0 km---✓ ReviewedUSGS →
At 20:08 UTC on May 16, 2023, a magnitude 3.5 tremor occurred 11 km SE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 19:59:49 UTC
2.3md
3km ENE of Prattville, CA
40.224°, -121.123°
4.4 km1--✓ ReviewedUSGS →
Seismographs logged a magnitude 2.3 earthquake 3km ENE of Prattville, CA with origin time 19:59 UTC on May 16, 2023. It arrived roughly 8 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. 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.
2023-05-16
2023-05-16 19:23:35 UTC
2.0ml
40 km NNW of Valdez, Alaska
61.468°, -146.629°
12.9 km---✓ ReviewedUSGS →
On May 16, 2023 at 19:23 UTC, a magnitude 2.0 earthquake struck 40 km NNW of Valdez, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 19:18:06 UTC
4.2mwr
58 km NE of San Pedro de Atacama, Chile
-22.493°, -67.854°
165.6 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.2 earthquake 58 km NE of San Pedro de Atacama, Chile at 19:18 UTC on May 16, 2023. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 19:13:43 UTC
2.0ml
150 km WSW of Adak, Alaska
51.397°, -178.668°
19.9 km---✓ ReviewedUSGS →
A magnitude 2.0 earthquake was recorded 150 km WSW of Adak, Alaska on May 16, 2023 at 19:13 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 18:39:46 UTC
2.0ml
58 km ENE of Akutan, Alaska
54.246°, -164.907°
67.5 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.0 earthquake 58 km ENE of Akutan, Alaska with origin time 18:39 UTC on May 16, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 18:27:18 UTC
2.1ml
63 km SE of Denali National Park, Alaska
63.080°, -150.973°
125.5 km---✓ ReviewedUSGS →
This magnitude 2.1 event was detected 63 km SE of Denali National Park, Alaska on May 16, 2023, with origin time 18:27 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 18:22:12 UTC
5.0mww
15 km NNW of Lázaro Cárdenas, Mexico
23.094°, -100.120°
10.0 km1--✓ ReviewedUSGS →
A magnitude 5.0 earthquake was recorded 15 km NNW of Lázaro Cárdenas, Mexico on May 16, 2023 at 18:22 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:52:34 UTC
2.1ml
2 km S of Volcano, Hawaii
19.416°, -155.237°
3.2 km---✓ ReviewedUSGS →
At 17:52 UTC on May 16, 2023, a magnitude 2.1 tremor occurred 2 km S of Volcano, Hawaii. It arrived roughly 1 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. 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.
2023-05-16
2023-05-16 17:48:48 UTC
2.8md
6 km SW of Guánica, Puerto Rico
17.933°, -66.952°
9.6 km---✓ ReviewedUSGS →
This magnitude 2.8 event was detected 6 km SW of Guánica, Puerto Rico on May 16, 2023, with origin time 17:48 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:43:31 UTC
2.6md
7 km SW of Guánica, Puerto Rico
17.919°, -66.952°
9.9 km---✓ ReviewedUSGS →
May 16, 2023 brought a magnitude 2.6 earthquake 7 km SW of Guánica, Puerto Rico, logged at 17:43 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:38:16 UTC
2.3md
2km NE of Almanor, CA
40.234°, -121.159°
5.7 km---✓ ReviewedUSGS →
At 17:38 UTC on May 16, 2023, a magnitude 2.3 tremor occurred 2km NE of Almanor, CA. Coming 6 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:19:15 UTC
4.9mb
48 km SE of Ambunti, Papua New Guinea
-4.503°, 143.151°
89.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.9 earthquake 48 km SE of Ambunti, Papua New Guinea with origin time 17:19 UTC on May 16, 2023. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:15:11 UTC
3.1md
2 km S of Volcano, Hawaii
19.418°, -155.238°
0.9 km24--✓ ReviewedUSGS →
May 16, 2023 brought a magnitude 3.1 earthquake 2 km S of Volcano, Hawaii, logged at 17:15 UTC. 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.
2023-05-16
2023-05-16 17:11:27 UTC
4.3mb
99 km NNE of Atka, Alaska
53.049°, -173.763°
244.7 km1I-✓ ReviewedUSGS →
A magnitude 4.3 earthquake was recorded 99 km NNE of Atka, Alaska on May 16, 2023 at 17:11 UTC. This is the deepest earthquake in the current dataset — an intermediate depth event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:10:45 UTC
2.2md
2 km NE of Magas Arriba, Puerto Rico
18.032°, -66.753°
13.7 km---✓ ReviewedUSGS →
A magnitude 2.2 earthquake was recorded 2 km NE of Magas Arriba, Puerto Rico on May 16, 2023 at 17:10 UTC. It arrived roughly 14 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2023-05-16
2023-05-16 17:04:07 UTC
3.8ml
23 km NE of Susitna North, Alaska
62.336°, -149.598°
44.3 km13II-✓ ReviewedUSGS →
A magnitude 3.8 earthquake was recorded 23 km NE of Susitna North, Alaska on May 16, 2023 at 17:04 UTC. The event was offshore. See the M3.8 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, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.