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Moderate mag. 4.1 earthquake - Provincia de Los Santos, Panama, on Tuesday, Oct 12, 2021 at 10:46 am (GMT -5) -

Moderate mag. 4.1 earthquake - Provincia de Los Santos, Panama, on Tuesday, Oct 12, 2021 at 10:46 am (GMT -5) Moderate mag. 4.1 earthquake - Provincia de Los Santos, Panama, on Tuesday, Oct 12, 2021 at 10:46 am (GMT -5)

Moderate magnitude 4.1 earthquake at 1 km depth

12 Oct 15:52 UTC: First to report: EMSC after 5 minutes.
12 Oct 16:27: Magnitude recalculated from 4.4 to 4.1. Hypocenter depth recalculated from 10.0 to 1.0 km (from 6.2 to 0.6 mi). Epicenter location corrected by 121 km (75 mi) towards S.

Earthquake details

Date & timeOct 12, 2021 15:46:58 UTC -
Local time at epicenterTuesday, Oct 12, 2021 at 10:46 am (GMT -5)
StatusConfirmed
Magnitude4.1
Depth1.0 km
Epicenter latitude / longitude7.44°N / 80.56°W (Tonosi District, Provincia de Los Santos, Panama)
Antipode7.44°S / 99.44°E
Shaking intensityLight shaking
Felt2 reports
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearest volcanoBaru (231 km / 144 mi)
Nearby towns and cities1 km (1 mi) WSW of El Guayabo (Los Santos) (pop: 31) | Show on map | Quakes nearby
14 km (9 mi) WNW of Tonosi (Los Santos) (pop: 1,480) | Show on map | Quakes nearby
32 km (20 mi) S of Macaracas (Los Santos) (pop: 2,220) | Show on map | Quakes nearby
38 km (23 mi) SSW of La Palma (Los Santos) (pop: 1,280) | Show on map | Quakes nearby
48 km (30 mi) SSW of Agua Buena (Los Santos) (pop: 1,010) | Show on map | Quakes nearby
48 km (30 mi) SW of Las Tablas (Los Santos) (pop: 8,940) | Show on map | Quakes nearby
49 km (31 mi) SW of La Palma (Los Santos) (pop: 1,140) | Show on map | Quakes nearby
60 km (38 mi) SSW of San Juan Bautista (Chitré, Herrera) (pop: 11,800) | Show on map | Quakes nearby
62 km (38 mi) SSW of Monagrillo (Chitré, Herrera) (pop: 10,800) | Show on map | Quakes nearby
207 km (129 mi) SSW of Panama (Panamá) (pop: 408,200) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 28.8°C (84 F), humidity: 70%, wind: 1 m/s (1 kts) from SSE
Estimated seismic energy released8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) | about seismic energy
Show interactive Map
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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.
Mag.DepthLocationSource
4.11 kmPANAMAEMSC
4.39 kmPanama: 49 Km Al Sur De Las Tablas, PanamáINETER

Seismograms

Seismic station: Isla Barro Colorado, Panama (BCIP/CU network) | Distance from quake: 208 km / 129 mi | Show on map | Station Info
Seismic station Isla Barro Colorado, Panama: 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. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Translate
Torio (44.3 km WNW of epicenter) [Map] / Weak shaking (MMI III)
tonosi / Moderate shaking (MMI V)

Earlier earthquakes in the same area

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