Reported seismic-like event (likely no quake): 26 km northeast of Tejar, Acosta, Provincia de San José, Costa Rica, Friday, Jan 27, 2023 at 12:26 am (GMT -6) -

27 Jan 06:31 UTC: First to report: VolcanoDiscovery after 5 minutes.

Earthquake details

Date & time	Jan 27, 2023 06:26:45 UTC -
Local time at epicenter	Friday, Jan 27, 2023 at 12:26 am (GMT -6)
Status	disregarded
Magnitude	unknown (3?)
Depth	10.0 km
Epicenter latitude / longitude	9.89333°N / 84.05224°W (Provincia de San José, Costa Rica)
Antipode	9.893°S / 95.948°E
Shaking intensity	Weak shaking
Felt	1 report
Primary data source	VolcanoDiscovery (User-reported shaking)
Nearest volcano	Barva (78 km / 48 mi)
Nearby towns and cities	3 km (2 mi) NNE of San Miguel (pop: 28,800) \| Show on map \| Quakes nearby 6 km (3 mi) SE of San Jose (pop: 335,000) \| Show on map \| Quakes nearby 6 km (4 mi) NE of Aserri (pop: 25,900) \| Show on map \| Quakes nearby 14 km (9 mi) SE of San Francisco (Heredia) (pop: 55,900) \| Show on map \| Quakes nearby 26 km (16 mi) NE of Tejar (Acosta) (pop: 22,400) \| Show on map \| Quakes nearby 27 km (17 mi) ENE of San Rafael Abajo (Puriscal) (pop: 27,400) \| Show on map \| Quakes nearby 51 km (32 mi) NE of Parrita (Puntarenas) (pop: 3,730) \| Show on map \| Quakes nearby 53 km (33 mi) NNE of Quepos (Puntarenas) (pop: 7,810) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 24.3°C (76 F), humidity: 69%, wind: 2 m/s (5 kts) from NNE
Estimated seismic energy released	2 x 10⁹ joules (554 kilowatt hours, equivalent to 0.477 tons of TNT) \| about seismic energy

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Seismograms

Seismic station: Heredia, Costa Rica (HDC/G network) | Distance from quake: 14 km / 9 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

User reports for this quake (1)

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

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Translate

COSTA RICA (0 km NNW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 15-20 s : Estaba acostada en mi cama y empezo a moverse la lampara y a vibrar el pizo

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