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Light mag. 3.4 earthquake - La Palma Island, 12 km southeast of Los Llanos de Aridane, Spain, on Monday, Sep 13, 2021 at 12:46 am (GMT +1) -

Light mag. 3.4 earthquake - La Palma Island, 12 km southeast of Los Llanos de Aridane, Spain, on Monday, Sep 13, 2021 at 12:46 am (GMT +1) Light mag. 3.4 earthquake - La Palma Island, 12 km southeast of Los Llanos de Aridane, Spain, on Monday, Sep 13, 2021 at 12:46 am (GMT +1)

Light magnitude 3.4 earthquake at 9 km depth

12 Sep 23:49 UTC: First to report: EMSC after 2 minutes.
12 Sep 23:50: Now using data updates from IGN
13 Sep 00:09: Magnitude recalculated from 3.2 to 3.4. Hypocenter depth recalculated from 7.0 to 9.0 km (from 4.3 to 5.6 mi). Epicenter location corrected by 2.6 km (1.6 mi) towards E.

Earthquake details

Date & timeSep 12, 2021 23:46:55 UTC -
Local time at epicenterMonday, Sep 13, 2021 at 12:46 am (GMT +1)
Depth9.0 km
Epicenter latitude / longitude28.5683°N / 17.8524°W (Province of Santa Cruz de Tenerife, Canary Islands, Spain)
Antipode28.568°S / 162.148°E
Shaking intensityWeak shaking
Felt3 reports
Primary data sourceIGN (Instituto Geográfico Nacional)
Nearest volcanoLa Palma (4 km / 2 mi)
Nearby towns and cities6 km (4 mi) ESE of Puerto Naos (pop: 979) | Show on map | Quakes nearby
8 km (5 mi) N of Fuencaliente de la Palma (La Palma Island, Kanarische Inseln) (pop: 1,890) | Show on map | Quakes nearby
12 km (7 mi) SSE of Los Llanos de Aridane (La Palma Island) (pop: 20,800) | Show on map | Quakes nearby
15 km (10 mi) SSW of Santa Cruz de La Palma (La Palma Island) (pop: 17,100) | Show on map | Quakes nearby
25 km (15 mi) SSW of Garachico (Santa Cruz de Tenerife, Kanarische Inseln) (pop: 6,000) | Show on map | Quakes nearby
26 km (16 mi) SSE of Puntagorda (pop: 1,660) | Show on map | Quakes nearby
90 km (56 mi) NW of San Sebastian de La Gomera (Santa Cruz de Tenerife, Kanarische Inseln) (pop: 8,960) | Show on map | Quakes nearby
126 km (78 mi) WNW of Arona (Isole Canarie) (pop: 78,600) | Show on map | Quakes nearby
157 km (97 mi) W of Tenerife (pop: 222,400) | Show on map | Quakes nearby
244 km (152 mi) WNW of Las Palmas de Gran Canaria (Kanarische Inseln) (pop: 381,800) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 21.1°C (70 F), humidity: 84%, wind: 1 m/s (2 kts)
Estimated seismic energy released7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.


Seismic station: Morro de la Arena, Canary Islands (MACI/IU network) | Distance from quake: 136 km / 85 mi | Show on map | Station Info
Seismic station Morro de la Arena, Canary Islands: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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TENERIFE / not felt
El Paso / Light shaking (MMI IV) / 2-5 s : Si, no solo yo, estamos 4 vecinos despiertos por los temblores  
Jedey / Weak shaking (MMI III) / rattling, vibrating / very short
santa rosa / Very weak shaking (MMI II)

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