RSS feed source: USGS Earthquake Hazards Program
Time2026-10-21 01:20:02 UTC2026-10-21 01:20:02 UTC at epicenterLocation4.599°N 82.703°WDepth10.00 km (6.21 mi)
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Alerts
RSS feed source: USGS Earthquake Hazards Program
Date and TimeMag
DepthDistanceLocationDetailsMap Oct 10, 06:37 am (Panama)
4.0
10 km87 km (54 mi) to the NE South OF Panama 1 reportInfoOct 10, 05:28 am (Costa_Rica)
4.7
0 km63 km (39 mi) to the NE North Pacific Ocean, Costa Rica 4 reportsInfoOct 10, 06:24 am (Panama)
4.0
10 km63 km (39 mi) to the NE South OF Panama 1 reportInfoOct 9, 12:56 pm (Panama)
7.7
13 km277 km (172 mi) to the E Provincia de Herrera, 62 km south of Santiago, Provincia de Veraguas, Panama 798 reportsInfoOct 4, 08:06 am (Costa_Rica)
4.1
0 km10.9 km (6.8 mi) to the S North Pacific Ocean, 309 km south of San Jose, Provincia de San Jose, Costa Rica 1 reportInfoSep 19, 12:42 am (Panama)
4.5
5 km89 km (55 mi) to the NE North Pacific Ocean, 60 km southwest of David, Provincia de Chiriqui, Panama 1 reportInfoMar 5, 12:21 am (GMT -5)
5.2
10 km91 km (57 mi) to the E North Pacific Ocean, 145 km south of David, Provincia de Chiriqui, Panama 2 reportsInfoFeb 3, 09:51 am (GMT -6)
4.9
750 km98 km (61 mi) to the SW North Pacific Ocean, 365 km south of San Jose, Provincia de San Jose, Costa Rica 1 reportInfoMar 21, 2025 12:14 am (GMT -6)
5.0
21 km77 km (48 mi) to the SE 113 km Al Oeste De Isla De Coiba, Panama. 6 reportsInfoDec 15, 2024 12:19 am (Costa Rica)
4.9
16 km88 km (55 mi) to the N Costa Rica: 14 km al Noroeste de Punta Burica, Panama. InfoNov 9, 2024 02:30 pm (GMT -5)
5.8
10 km98 km (61 mi) to the E 77 km SE of Burica, Panama 21
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RSS feed source: USGS Earthquake Hazards Program
Date and TimeMag
DepthDistanceLocationDetailsMap Oct 4, 09:06 am (GMT -5)
5.0
10 km86 km (53 mi) to the N North Pacific Ocean, Panama 1 reportInfoAug 3, 12:16 am (GMT -6)
4.0?
10 km34 km (21 mi) to the S North Pacific Ocean, Panama (unconfirmed) InfoAug 2, 02:00 am (GMT -5)
4.0?
0 km54 km (33 mi) to the SE South of Panama (unconfirmed) InfoJun 19, 02:51 pm (GMT -5)
4.2
10 km12 km (7.3 mi) to the SE South of Panama InfoMay 19, 01:14 am (GMT -5)
4.4?
0 km53 km (33 mi) to the S South of Panama (unconfirmed) InfoMar 19, 06:36 am (GMT -5)
5.4
10 km44 km (28 mi) to the N South of Panama 1 reportInfoJan 23, 03:19 am (GMT -5)
5.1
10 km35 km (22 mi) to the NE South of Panama 1 reportInfoJun 29, 2025 12:46 am (GMT -5)
5.1
10 km76 km (47 mi) to the S North Pacific Ocean, Panama 1 reportInfoJun 5, 2025 07:09 pm (GMT -5)
5.2
0 km89 km (55 mi) to the N South of Panama InfoJun 4, 2025 07:09 pm (GMT -5)
5.7
10 km82 km (51 mi) to the N North Pacific Ocean, Panama 3 reportsInfoDec 12, 2022 12:27 pm (GMT -6)
5.5
10 km29 km (18 mi) to the N South of Panama InfoJun 1, 2021 05:20 am (GMT -6)
5.5
10 km51 km (32 mi) to the N South of Panama 9 reportsInfoFeb 4, 2015 11:40 pm (GMT -5)
5.6
10 km79 km (49 mi) to the N South of Panama InfoJun 3, 2012 06:45 pm (GMT -6)
6.3
7 km79 km (49 mi) to the N South of Panama InfoJun 17, 2008 11:42 am (GMT -6)
5.9
10 km46 km (29 mi) to the N South of Panama InfoOct 12, 2007
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RSS feed source: USGS Earthquake Hazards Program
Wednesday, Oct 21, 2026 01:19 | 1 hour ago | By: EarthquakeMonitor
A magnitude 4.0 earthquake was reported in the morning near Inzai, Inzai-shi, Chiba, Japan.
According to the European-Mediterranean Seismological Centre (EMSC), the quake struck on Wednesday, October 21st, 2026, at 10:04 am local time at an intermediate depth of 70. km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their reports.
Our monitoring service identified a second report from Japan’s National Research Institute for Earth Science and Disaster Resilience (NIED), which listed the quake at magnitude 4.4. A third agency, the citizen-seismograph network RaspberryShake, reported the same quake at magnitude 4.0.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Shiroi (pop. 62,400), located 3 km from the epicenter; Inzai (pop. 105,500), 7 km away; Yachiyo (pop. 199,500), 8 km away; Kamagaya (pop. 109,900), 9 km away; Abiko (pop. 131,800), 11 km away; Kashiwa (pop. 433,400), 13 km away; Narashino (pop. 176,200), 14 km away; Chiba (pop. 979,800), 22 km away; Tokyo (pop. 9,733,300), 39 km away; and Yokohama (pop. 3,777,500), 58 km away.
If you felt this earthquake, send us a report through our website or app.
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