# Reported seismic-like event (likely no quake): 4.4 km southeast of Ecija, Sevilla, Andalusia, Spain, Oct 27, 2021 4:11 am (GMT +2) - writeAge(1635300713)

Quakes around its antipode during the following 3 days
Check different time intervals: 24 hours | 2 days
Date & time: 27 Oct 2021 02:11:53 UTC -
Local time at epicenter: Wednesday, Oct 27, 2021 4:11 am (GMT +2)
Magnitude: 3?
Depth: ? km
Epicenter latitude / longitude: 37.5097°N / 5.0537°W (Sevilla, Andalusia, Spain)
Antipode latitude / longitude: 37.51°S / 174.946°E (New Zealand)
Primary data source: VolcanoDiscovery
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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 18. This is compared to the average number of 0.62 quakes during preceding intervals of 3 days with a standard deviation (σ) of 4, calculated by analzing all 100 preceding intervals of 3 days for the same region.
Interpretation:
Note: At a magnitude of 3.0, 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+ 0 0 0.1 -0 (-0.1σ) 5+ 0 0 0.3 -0 (-0.1σ) 4+ 5 0.2 1.2 4.8 (3.9σ) 3+ 13 0.4 2.5 12.6 (5σ) Total 18 0.62 4 17.4 (4.4σ)
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+
Showing quakes magnitude 3.0 or higher (total: 18).
 Date and time MagDepth Location Details 27 Oct 2021 11:40:31 GMT(9 hours after quake) 3.229 km New Zealand [Show on map] More 27 Oct 2021 13:40:22 GMT(11 hours after quake) 3.012 km New Zealand [Show on map] More 27 Oct 2021 15:06:20 GMT(13 hours after quake) 4.312 km New Zealand [Show on map] More 27 Oct 2021 15:58:06 GMT(14 hours after quake) 3.112 km New Zealand [Show on map] More 27 Oct 2021 16:10:20 GMT(14 hours after quake) 3.112 km New Zealand [Show on map] More 28 Oct 2021 00:07:50 GMT(22 hours after quake) 3.833 km New Zealand [Show on map] More 28 Oct 2021 12:32:07 GMT(1 day 10 hours after quake) 3.121 km New Zealand [Show on map] More 28 Oct 2021 16:52:36 GMT(1 day 15 hours after quake) 3.25 km New Zealand [Show on map] More 28 Oct 2021 23:39:04 GMT(1 day 21 hours after quake) 4.933 km New Zealand [Show on map] More 29 Oct 2021 01:27:57 GMT(1 day 23 hours after quake) 3.5161 km New Zealand [Show on map] More 29 Oct 2021 10:49:07 GMT(2 days after quake) 3.1158 km New Zealand [Show on map] More 29 Oct 2021 17:10:21 GMT(3 days after quake) 4.012 km New Zealand [Show on map] More 29 Oct 2021 17:54:49 GMT(3 days after quake) 3.4161 km New Zealand [Show on map] More 29 Oct 2021 18:55:26 GMT(3 days after quake) 4.720 km New Caledonia: SOUTHEAST OF LOYALTY ISLANDS [Show on map] More 29 Oct 2021 21:18:57 GMT(3 days after quake) 3.425 km New Zealand [Show on map] More 29 Oct 2021 21:29:42 GMT(3 days after quake) 3.124 km New Zealand [Show on map] More 29 Oct 2021 23:12:45 GMT(3 days after quake) 3.025 km New Zealand [Show on map] More 30 Oct 2021 00:13:26 GMT(3 days after quake) 4.4206 km VANUATU [Show on map] More
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