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Weak mag. 2.9 earthquake - Provincia de Puntarenas, 48 km south of San Jose, San José, Costa Rica, on Tuesday, Dec 6, 2022 at 3:08 am (GMT -6) -

Weak mag. 2.9 earthquake - Provincia de Puntarenas, 48 km south of San Jose, San José, Costa Rica, on Tuesday, Dec 6, 2022 at 3:08 am (GMT -6) Weak mag. 2.9 earthquake - Provincia de Puntarenas, 48 km south of San Jose, San José, Costa Rica, on Tuesday, Dec 6, 2022 at 3:08 am (GMT -6)

Weak magnitude 2.9 earthquake at 37 km depth

6 Dec 13:52 UTC: First to report: RSN after 5 hours.

Earthquake details

Date & timeDec 6, 2022 09:08:00 UTC -
Local time at epicenterTuesday, Dec 6, 2022 at 3:08 am (GMT -6)
StatusConfirmed
Magnitude2.9
Depth37.0 km
Epicenter latitude / longitude9.523°N / 84.22°W (Parrita, Provincia de Puntarenas, Costa Rica)
Antipode9.523°S / 95.78°E
Shaking intensityLight shaking
Felt1 report
Primary data sourceRSN
Nearest volcanoIrazu (65 km / 40 mi)
Nearby towns and cities11 km (7 mi) E of Parrita (Puntarenas) (pop: 3,730) | Show on map | Quakes nearby
12 km (7 mi) NNW of Quepos (Puntarenas) (pop: 7,810) | Show on map | Quakes nearby
25 km (15 mi) S of Tejar (Acosta, San José) (pop: 22,400) | Show on map | Quakes nearby
35 km (22 mi) SSE of San Rafael Abajo (Puriscal, San José) (pop: 27,400) | Show on map | Quakes nearby
40 km (25 mi) SSW of Aserri (San José) (pop: 25,900) | Show on map | Quakes nearby
48 km (30 mi) SSW of San Jose (San José) (pop: 335,000) | Show on map | Quakes nearby
53 km (33 mi) S of San Francisco (Heredia) (pop: 55,900) | Show on map | Quakes nearby
84 km (52 mi) SE of Puntarenas (pop: 35,700) | Show on map | Quakes nearby
Estimated seismic energy released1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 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
2.937 kmCosta Rica: 12 Km Al Este De Parrita, Puntarenas.RSN

Seismograms

Seismic station: Heredia, Costa Rica (HDC/G network) | Distance from quake: 55 km / 34 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 (1)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Punta Leona (53.1 km WNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging : I awoke several mins before the shaking began. It felt as if the building was swaying with a strong wind however there was no wind or storm. The bed shook noticeably. It lasted about 30-60 seconds. I felt several aftershocks that were lighter over the next hour. We are located directly on the coast overlooking a cliff.  

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