# Moderate mag. 5.0 earthquake - 23 km south of Valparaiso, Region de Valparaiso, Chile, on Friday, Oct 22, 2021 11:13 pm (GMT -3) - writeAge(1634955236)

Quakes around its antipode during the following 3 days
Check different time intervals: 24 hours | 2 days
Date & time: 23 Oct 2021 02:13:56 UTC -
Local time at epicenter: Friday, Oct 22, 2021 11:13 pm (GMT -3)
Magnitude: 5
Depth: 40 km
Epicenter latitude / longitude: 33.24°S / 71.69°W (Region de Valparaiso, Chile)
Antipode latitude / longitude: 33.24°N / 108.31°E (China)
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Show interactive Map
[smaller] [bigger]

## Quakes within 30 degrees from seismic antipode up to 3 days after the quake

The area around the antipode is marked with the big circle on the map.
The total number of quakes that occurred within 3 days around the antipode of the quake was 37. This is compared to the average number of 0 quakes during preceding intervals of 3 days with a standard deviation (σ) of 3.7, calculated by analzing all 100 preceding intervals of 3 days for the same region.
Interpretation:
Note: At a magnitude of 5.0, it is unlikely that this quake could affect areas around its antipode. If an increase or decrease of quake is detected, it is likely caused by other factors.
There is a weak increase in detected quakes around the antipode during the following 3 days.
 Mag class Total # Average σ Observed deviation 6+ 1 0 0.1 1 (9.9σ) 5+ 0 0 0 n/a 4+ 13 0 1.3 13 (9.9σ) 3+ 23 0 2.3 23 (9.9σ) Total 37 0 3.7 37 (9.9σ)
Explanation:
BLACK = Number of quakes within normal statistical range
RED = Significantly lower than normal number of quakes
GREEN = Significantly higher than normal number of quakes

## List of quakes

Filter by magnitude:
all
3.0+
4.0+
5.0+
6.0+
Showing quakes magnitude 3.0 or higher (total: 37).
 Date and time MagDepth Location Details 23 Oct 2021 06:50:19 GMT(5 hours after quake) 3.723 km Japan: EASTERN YAMANASHI PREF [Show on map] More 23 Oct 2021 10:32:38 GMT(8 hours after quake) 4.526 km TAIWAN [Show on map] More 23 Oct 2021 11:50:48 GMT(10 hours after quake) 4.85 km Nepal: 137km N of Ayodhya, Uttar Pradesh, India [Show on map] More 23 Oct 2021 14:04:52 GMT(12 hours after quake) 3.710 km India: Nagaon, Assam [Show on map] More 23 Oct 2021 14:16:03 GMT(12 hours after quake) 4.210 km RUSSIA-MONGOLIA BORDER REGION [Show on map] More 23 Oct 2021 15:07:40 GMT(13 hours after quake) 4.210 km 159km WNW of Muzaffarpur, Bihar, India [Show on map] More 23 Oct 2021 19:50:00 GMT(18 hours after quake) 3.19 km Philippines: 006 Km N 81° E of Patnongon (Antique) [Show on map] More 23 Oct 2021 23:00:00 GMT(21 hours after quake) 3.11 km Philippines: 014 Km N 67° W of Sinait (Ilocos Sur) [Show on map] More 24 Oct 2021 00:40:26 GMT(22 hours after quake) 3.522 km Philippines: PHILIPPINE ISLANDS REGION [Show on map] More 24 Oct 2021 00:43:25 GMT(22 hours after quake) 3.7309 km Japan: FAR S OFF TOKAI DISTRICT [Show on map] More 24 Oct 2021 04:38:52 GMT(1 day 2 hours after quake) 4.524 km TAIWAN [Show on map] More 24 Oct 2021 05:11:34 GMT(1 day 3 hours after quake) 6.166 km Taiwan [Show on map] More 24 Oct 2021 09:34:26 GMT(1 day 7 hours after quake) 3.4175 km Japan: TSUGARU PENINSULA REGION [Show on map] More 24 Oct 2021 10:52:00 GMT(1 day 9 hours after quake) 3.11 km Philippines: 002 Km S 03° E of Biliran (Biliran) [Show on map] More 24 Oct 2021 13:57:00 GMT(1 day 12 hours after quake) 3.01 km Philippines: 050 Km S 87° W of City Of Candon (Ilocos Sur) [Show on map] More 24 Oct 2021 15:09:49 GMT(1 day 13 hours after quake) 3.331 km Japan: FAR S OFF BOSO PENINSULA [Show on map] More 24 Oct 2021 15:57:13 GMT(1 day 14 hours after quake) 3.421 km Kyrgyzstan: Kyrgizstan Region [Show on map] More 24 Oct 2021 18:17:22 GMT(1 day 16 hours after quake) 4.225 km TAIWAN [Show on map] More 24 Oct 2021 19:15:58 GMT(1 day 17 hours after quake) 3.611 km India: Upper Siang, Arunachal Pradesh [Show on map] More 24 Oct 2021 21:15:03 GMT(1 day 19 hours after quake) 3.161 km Japan: IYONADA SETONAIKAI [Show on map] More 25 Oct 2021 00:29:00 GMT(1 day 22 hours after quake) 3.027 km Philippines: 061 Km N 27° E of Maconacon (Isabela) [Show on map] More 25 Oct 2021 01:06:48 GMT(1 day 23 hours after quake) 4.4527 km BONIN ISLANDS, JAPAN REGION [Show on map] More 25 Oct 2021 02:05:59 GMT(1 day 24 hours after quake) 3.517 km Japan: SADOGASHIMA IS REG [Show on map] More 25 Oct 2021 03:13:51 GMT(2 days after quake) 3.810 km Yunnan, China [Show on map] More 25 Oct 2021 05:03:28 GMT(2 days after quake) 3.650 km Japan: NEAR AMAMI-OSHIMA ISLAND [Show on map] More 25 Oct 2021 07:22:43 GMT(2 days after quake) 4.210 km EASTERN KAZAKHSTAN [Show on map] More 25 Oct 2021 11:21:43 GMT(2 days after quake) 3.810 km NORTHERN XINJIANG, CHINA [Show on map] More 25 Oct 2021 11:25:35 GMT(2 days after quake) 4.410 km SOUTHERN XINJIANG, CHINA [Show on map] More 25 Oct 2021 14:45:30 GMT(3 days after quake) 4.110 km Near Barhaghare, Gandaki Pradesh, Nepal [Show on map] More 25 Oct 2021 16:04:56 GMT(3 days after quake) 3.010 km KAZAKHSTAN-XINJIANG BORDER REGION [Show on map] More 25 Oct 2021 19:47:33 GMT(3 days after quake) 3.123 km Japan: EASTERN YAMANASHI PREF [Show on map] More 25 Oct 2021 20:45:54 GMT(3 days after quake) 3.710 km NORTHERN XINJIANG, CHINA [Show on map] More 25 Oct 2021 22:12:00 GMT(3 days after quake) 3.31 km Philippines: 035 Km N 83° E of Palanan (Isabela) [Show on map] More 25 Oct 2021 22:31:48 GMT(3 days after quake) 3.018 km Japan: SE OFF OSUMI PEN [Show on map] More 25 Oct 2021 22:42:08 GMT(3 days after quake) 4.710 km NORTHERN XINJIANG, CHINA [Show on map] More 25 Oct 2021 23:48:31 GMT(3 days after quake) 4.410 km 170km SSW of Berhampur, Odisha, India [Show on map] More 26 Oct 2021 00:32:10 GMT(3 days after quake) 4.310 km India: Ladakh [Show on map] More
Try our free app!
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
• Improved multilanguage support