Séisme faible mag. 3.4 - Emiliano Zapata, 4 km au sud-est de Temixco, Morelos, Mexique, jeudi, 23 sept. 2021 12:55 (GMT -5) -

Quakes around its antipode during the following 3 jours
Check different time intervals: 24 hours | 2 days
Date & heure: 23 Sep 2021 17:55:06 UTC -
Heure locale à l'épicentre: jeudi, 23 sept. 2021 12:55 (GMT -5)
Magnitude: 3.4
Profondeur: 3 km
Épicentre latitude / longitude: 18.82°N / 99.21°W (Emiliano Zapata, Morelos, Mexique)
Antipode sismique latitude / longitude: 18.82°S / 80.79°E
Source de données principale: SSN (Servicio Sismológico Nacional)
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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 6. This is compared to the average number of 7.44 quakes during preceding intervals of 3 jours with a standard deviation (σ) of 6.2, calculated by analzing all 100 preceding intervals of 3 jours for the same region.
Note: At a magnitude of 3.4, 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 classTotal #AverageσObserved deviation
6+000.2-0 (-0.2σ)
5+00.60.8-0.6 (-0.7σ)
4+ (1.2σ)
3+14.64.1-3.6 (-0.9σ)
Total67.446.2-1.4 (-0.2σ)
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

Showing quakes magnitude 3.0 or higher (total: 6).
Date et l'heureMag
23 Sep 2021 19:48:48 GMT
(1 heure et 54 minutes after quake)

10 km
Sri Lanka: Indian Ocean [Show on map]Plus
24 Sep 2021 05:49:51 GMT
(12 heures after quake)

82 km
Southwest of Sumatra, Indonesia [Show on map]Plus
24 Sep 2021 23:39:38 GMT
(1 jour 6 heures after quake)

10 km
Southern Sumatra, Indonesia [Show on map]Plus
26 Sep 2021 04:08:36 GMT
(2 jours after quake)

10 km
British Indian Ocean Territory: Chagos Archipelago Region [Show on map]Plus
26 Sep 2021 08:59:51 GMT
(3 jours after quake)

18 km
Southern Sumatra, Indonesia [Show on map]Plus
26 Sep 2021 12:01:01 GMT
(3 jours after quake)

49 km
Southern Sumatra, Indonesia [Show on map]Plus
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