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Minor mag. 2.6 earthquake - 7.2 km northwest of Buenos Aires, Provincia de Puntarenas, Costa Rica, on Sunday, Dec 4, 2022 at 2:31 am (GMT -6) -

Minor magnitude 2.6 earthquake at 29 km depth

4 Dec 16:56 UTC: First to report: RSN after 8 hours.

Earthquake details

Date & time	Dec 4, 2022 08:31:00 UTC -
Local time at epicenter	Sunday, Dec 4, 2022 at 2:31 am (GMT -6)
Status	Confirmed
Magnitude	2.6
Depth	29.0 km
Epicenter latitude / longitude	9.211°N / 83.386°W (Buenos Aires, Provincia de Puntarenas, Costa Rica)
Antipode	9.211°S / 96.614°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	RSN
Nearest volcano	Irazu (100 km / 62 mi)
Nearby towns and cities	7 km (4 mi) NW of Buenos Aires (Puntarenas) (pop: 11,700) \| Show on map \| Quakes nearby 22 km (14 mi) ESE of Mercedes (Pérez Zeledón, San José) (pop: 5,470) \| Show on map \| Quakes nearby 32 km (20 mi) NNE of Ciudad Cortés (Puntarenas) (pop: 3,850) \| Show on map \| Quakes nearby 34 km (21 mi) ESE of Daniel Flores (San José) (pop: 10,000) \| Show on map \| Quakes nearby 38 km (24 mi) ESE of San Isidro (San José) (pop: 34,900) \| Show on map \| Quakes nearby 87 km (54 mi) SE of Paraiso (Cartago) (pop: 39,700) \| Show on map \| Quakes nearby 93 km (58 mi) SE of Cartago (pop: 26,600) \| Show on map \| Quakes nearby 111 km (69 mi) SE of San Jose (San José) (pop: 335,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	5 x 10⁸ joules (139 kilowatt hours, equivalent to 0.12 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.	Depth	Location	Source
2.6	29 km	Costa Rica: 6 Km Al Norte De Brunka, Buenos Aires.	RSN

Most recent quakes Top 20 past 24 hrs Quakes in Costa Rica

Seismograms

Seismic station: Heredia, Costa Rica (HDC/G network) | Distance from quake: 119 km / 74 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

At magnitude 2.6, 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.

There are no user reports for this quake.

Earlier earthquakes in the same area

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