# Séisme mineur mag. 1.4 - Italy: 11 Km W Milo (CT), jeudi, 23 sept. 2021 04:14 (GMT +2) - writeAge(1632363282)

Quakes around its antipode during the following 3 jours
Check different time intervals: 24 hours | 2 days
Date & heure: 23 Sep 2021 02:14:42 UTC -
Heure locale à l'épicentre: jeudi, 23 sept. 2021 04:14 (GMT +2)
Magnitude: 1.4
Profondeur: 0.2 km
Épicentre latitude / longitude: 37.746°N / 14.998°E (Italie)
Antipode sismique latitude / longitude: 37.746°S / 165.002°W
Source de données principale: INGV (Istituto Nazionale di Geofisica e Vulcanologia)
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## Quakes within 30 degrees from seismic antipode up to 3 jours 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 jours around the antipode of the quake was 18. This is compared to the average number of 18.41 quakes during preceding intervals of 3 jours with a standard deviation (σ) of 33.1, calculated by analzing all 100 preceding intervals of 3 jours for the same region.
Interpretation:
Note: At a magnitude of 1.4, 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 jours.
 Mag class Total # Average σ Observed deviation 6+ 0 0.3 1 -0.3 (-0.3σ) 5+ 1 3.7 8.1 -2.7 (-0.3σ) 4+ 14 8.6 8.9 5.4 (0.6σ) 3+ 3 5.8 17.6 -2.8 (-0.2σ) Total 18 18.41 33.1 -0.4 (-0σ)
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

Filtrer par magnitude:
Tous
3.0+
4.0+
5.0+
Showing quakes magnitude 3.0 or higher (total: 18).
 Date et l'heure MagProfondeur Lieu Détail 23 Sep 2021 08:36:12 GMT(6 heures after quake) 4.8549 km South of Fiji Islands [Show on map] Plus 23 Sep 2021 08:36:27 GMT(6 heures after quake) 4.8586 km New Zealand [Show on map] Plus 23 Sep 2021 12:39:17 GMT(10 heures after quake) 3.033 km New Zealand [Show on map] Plus 23 Sep 2021 23:32:02 GMT(21 heures after quake) 4.8145 km New Zealand [Show on map] Plus 23 Sep 2021 23:37:23 GMT(21 heures after quake) 4.710 km Kermadec Islands, New Zealand [Show on map] Plus 24 Sep 2021 00:08:09 GMT(22 heures after quake) 4.910 km 122 Km E of ‘Ohonua, Tonga [Show on map] Plus 24 Sep 2021 02:31:27 GMT(1 jour 0 heures after quake) 4.610 km Kermadec Islands, New Zealand [Show on map] Plus 24 Sep 2021 07:57:38 GMT(1 jour 6 heures after quake) 5.012 km New Zealand [Show on map] Plus 24 Sep 2021 11:33:20 GMT(1 jour 9 heures after quake) 4.1547 km South of the Fiji Islands [Show on map] Plus 24 Sep 2021 15:53:08 GMT(1 jour 14 heures after quake) 4.3345 km New Zealand [Show on map] Plus 24 Sep 2021 19:05:59 GMT(1 jour 17 heures after quake) 4.2519 km Fiji: 258 Km WNW of Haveluloto, Tonga [Show on map] Plus 25 Sep 2021 01:29:10 GMT(1 jour 23 heures after quake) 3.385 km New Zealand [Show on map] Plus 25 Sep 2021 01:33:05 GMT(1 jour 23 heures after quake) 3.412 km New Zealand [Show on map] Plus 25 Sep 2021 07:52:41 GMT(2 jours after quake) 4.1566 km 274 Km ENE of Levuka, Fiji [Show on map] Plus 25 Sep 2021 13:42:44 GMT(2 jours after quake) 4.912 km New Zealand [Show on map] Plus 25 Sep 2021 14:30:59 GMT(3 jours after quake) 4.810 km 37 Km SSE of Pangai, Tonga [Show on map] Plus 25 Sep 2021 15:45:08 GMT(3 jours after quake) 4.710 km 59 Km S of Pangai, Tonga [Show on map] Plus 25 Sep 2021 15:48:09 GMT(3 jours after quake) 4.2415 km New Zealand [Show on map] Plus
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