Moderate mag. 4.5 earthquake - 186 km south of Korla, Xinjiang, China, on Tuesday, Sep 21, 2021 9:10 am (GMT +8) - writeAge(1632186649)

Quakes around its antipode during the following 3 days
Check different time intervals: 24 hours | 2 days
Date & time: 21 Sep 2021 01:10:49 UTC -
Local time at epicenter: Tuesday, Sep 21, 2021 9:10 am (GMT +8)
Magnitude: 4.5
Depth: 10 km
Epicenter latitude / longitude: 40.14°N / 85.6°E (Xinjiang, China)
Antipode latitude / longitude: 40.14°S / 94.4°W
Primary data source: KNDC (Kazakhstan National Data Center)
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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 21.94 quakes during preceding intervals of 3 days with a standard deviation (σ) of 12.9, calculated by analzing all 100 preceding intervals of 3 days for the same region.
Interpretation:
Note: At a magnitude of 4.5, 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 no significant variation in the number of quakes that occurred around the antipode within 3 days.
 Mag class Total # Average σ Observed deviation 6+ 1 0 0.2 1 (4.9σ) 5+ 2 0.6 1 1.4 (1.4σ) 4+ 6 3.2 2.5 2.8 (1.1σ) 3+ 28 18.1 11.2 9.9 (0.9σ) Total 37 21.94 12.9 15.1 (1.2σ)
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

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Showing quakes magnitude 3.0 or higher (total: 37).
 Date and time MagDepth Location Details 21 Sep 2021 06:54:27 GMT(6 hours after quake) 3.368 km COQUIMBO, CHILE [Show on map] More 21 Sep 2021 08:47:27 GMT(8 hours after quake) 3.534 km OFFSHORE VALPARAISO, CHILE [Show on map] More 21 Sep 2021 10:14:48 GMT(9 hours after quake) 5.010 km Chile: Easter Island Region [Show on map] More 21 Sep 2021 13:14:32 GMT(12 hours after quake) 6.310 km Near Coast of Central Chile [Show on map] More 21 Sep 2021 13:20:29 GMT(12 hours after quake) 4.014 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 13:26:22 GMT(12 hours after quake) 3.815 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 13:28:09 GMT(12 hours after quake) 3.24 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 13:39:24 GMT(12 hours after quake) 3.37 km MENDOZA (Argentina) [Show on map] More 21 Sep 2021 13:42:15 GMT(13 hours after quake) 3.37 km MENDOZA (Argentina) [Show on map] More 21 Sep 2021 14:09:05 GMT(13 hours after quake) 3.216 km OFF COAST OF BIO-BIO, CHILE [Show on map] More 21 Sep 2021 14:29:00 GMT(13 hours after quake) 4.210 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 14:55:43 GMT(14 hours after quake) 3.38 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 15:08:03 GMT(14 hours after quake) 3.314 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 15:27:22 GMT(14 hours after quake) 4.62 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 15:46:38 GMT(15 hours after quake) 3.412 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 16:03:03 GMT(15 hours after quake) 3.024 km OFFSHORE VALPARAISO, CHILE [Show on map] More 21 Sep 2021 16:15:23 GMT(15 hours after quake) 3.393 km SAN JUAN, ARGENTINA [Show on map] More 21 Sep 2021 17:38:26 GMT(16 hours after quake) 3.412 km OFFSHORE BIO-BIO, CHILE [Show on map] More 21 Sep 2021 18:04:50 GMT(17 hours after quake) 3.219 km OFF COAST OF BIO-BIO, CHILE [Show on map] More 21 Sep 2021 19:37:06 GMT(18 hours after quake) 3.245 km OFFSHORE ANTOFAGASTA, CHILE [Show on map] More 21 Sep 2021 22:04:26 GMT(21 hours after quake) 3.4107 km SAN JUAN (Argentina) [Show on map] More 22 Sep 2021 06:48:58 GMT(1 day 6 hours after quake) 3.4121 km SAN JUAN (Argentina) [Show on map] More 22 Sep 2021 08:55:23 GMT(1 day 8 hours after quake) 4.534 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 09:00:14 GMT(1 day 8 hours after quake) 3.336 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 09:08:09 GMT(1 day 8 hours after quake) 3.230 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 10:58:08 GMT(1 day 10 hours after quake) 3.938 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 13:38:03 GMT(1 day 12 hours after quake) 3.227 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 16:35:03 GMT(1 day 15 hours after quake) 3.734 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 17:01:36 GMT(1 day 16 hours after quake) 3.0121 km SAN JUAN (Argentina) [Show on map] More 22 Sep 2021 17:42:02 GMT(1 day 17 hours after quake) 5.02 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 17:59:28 GMT(1 day 17 hours after quake) 4.410 km OFFSHORE BIO-BIO, CHILE [Show on map] More 22 Sep 2021 21:06:19 GMT(1 day 20 hours after quake) 3.2233 km SAN JUAN (Argentina) [Show on map] More 23 Sep 2021 00:33:34 GMT(1 day 23 hours after quake) 4.52 km OFFSHORE BIO-BIO, CHILE [Show on map] More 23 Sep 2021 13:03:31 GMT(2 days after quake) 3.2133 km CATAMARCA (Argentina) [Show on map] More 23 Sep 2021 18:39:12 GMT(3 days after quake) 3.77 km MENDOZA (Argentina) [Show on map] More 23 Sep 2021 19:50:24 GMT(3 days after quake) 3.09 km OFFSHORE BIO-BIO, CHILE [Show on map] More 24 Sep 2021 00:16:38 GMT(3 days after quake) 3.0122 km SAN JUAN (Argentina) [Show on map] More
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