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Sismo leggero mag. 3.8 - North Pacific Ocean, Costa Rica, mercoledì, 20 ott 2021 08:02 (GMT -6)

Sismo leggero magnitudine 3.8 a 15 km di profondità

20 Oct 14:34 UTC: Primo a segnalare: RSN dopo 32 minuti.

Dettagli del sismo

Data e ora	20 Oct 2021 14:02:00 UTC
Ora locale all'epicentro	mercoledì, 20 ott 2021 08:02 (GMT -6)
Status	Confermato
Magnitudine	3.8
Prof.	15.0 km
Epicentro latitudine / longitudine	9.386°N / 84.611°W (North Pacific Ocean, Costa Rica)
Antipode	9.386°S / 95.389°E
Intensità di scuotimento	Scuotimento debole vicino all'epicentro
Sentito	0 rapporti
Fonte dati primaria	RSN
Vulcano più vicino	Poas (100 km / 62 mi)
Luoghi vicini	26 km S da Jaco (pop: 4,090) \| Mappa \| Sismi nelle vicinanze 58 km SO da Tejar (Acosta) (pop: 22,400) \| Mappa \| Sismi nelle vicinanze 61 km SO da San Rafael Abajo (Puriscal) (pop: 27,400) \| Mappa \| Sismi nelle vicinanze 69 km SSE da Chacarita (pop: 26,400) \| Mappa \| Sismi nelle vicinanze 83 km SSO da Alajuela (pop: 47,500) \| Mappa \| Sismi nelle vicinanze 84 km SO da San José (pop: 335,000) \| Mappa \| Sismi nelle vicinanze 86 km SO da San Francisco (pop: 55,900) \| Mappa \| Sismi nelle vicinanze 86 km SO da Curridabat (pop: 34,600) \| Mappa \| Sismi nelle vicinanze 87 km SO da Heredia (pop: 21,900) \| Mappa \| Sismi nelle vicinanze 93 km SO da Cartago (pop: 26,600) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo	Broken Clouds 27°C (81 F), humidity: 77%, wind: 2 m/s (4 kts) from WNW
Energia sismica rilasciata stimata	3.2 x 10¹⁰ joules (8.78 MWh, equivalent to 7.56 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.

Mag.	Prof.	Ubicazione	Fonte
3.8	15 km	Costa Rica: 26 Km Al Sur De Jaco, Garabito.	RSN
3.8	15 km	COSTA RICA	EMSC

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Seismograms

Seismic station: Heredia, Costa Rica (HDC/G network) | Distance from quake: 88 km / 54 mi | Show on map | Station Info

Seismic station Heredia, Costa Rica: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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