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Weak mag. 2.8 earthquake - 8.6 km southeast of Nicoya, Provincia de Guanacaste, Costa Rica, on Monday, Dec 5, 2022 at 12:38 am (GMT -6) -

Weak magnitude 2.8 earthquake at 15 km depth

5 Dec 06:44 UTC: First to report: RSN after 6 minutes.

Earthquake details

Date & time	Dec 5, 2022 06:38:00 UTC -
Local time at epicenter	Monday, Dec 5, 2022 at 12:38 am (GMT -6)
Status	Confirmed
Magnitude	2.8
Depth	15.0 km
Epicenter latitude / longitude	10.093°N / 85.398°W (Provincia de Guanacaste, Costa Rica)
Antipode	10.093°S / 94.602°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	RSN
Nearest volcano	Tenorio (77 km / 48 mi)
Nearby towns and cities	4 km (3 mi) NNE of Hojancha (Guanacaste) (pop: 1,820) \| Show on map \| Quakes nearby 9 km (5 mi) SE of Nicoya (Guanacaste) (pop: 15,300) \| Show on map \| Quakes nearby 23 km (14 mi) WNW of Nandayure (Guanacaste) (pop: 1,650) \| Show on map \| Quakes nearby 28 km (17 mi) SE of Santa Cruz (Guanacaste) (pop: 12,300) \| Show on map \| Quakes nearby 50 km (31 mi) SW of Canas (Cañas, Guanacaste) (pop: 20,300) \| Show on map \| Quakes nearby 60 km (38 mi) S of Liberia (Guanacaste) (pop: 45,400) \| Show on map \| Quakes nearby 69 km (43 mi) W of Chacarita (Puntarenas) (pop: 26,400) \| Show on map \| Quakes nearby 145 km (90 mi) W of San Jose (San José) (pop: 335,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Scattered Clouds 20.9°C (70 F), humidity: 91%, wind: 1 m/s (1 kts) from N
Estimated seismic energy released	1 x 10⁹ joules (278 kilowatt hours, equivalent to 0.239 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
2.8	15 km	Costa Rica: 3 Km Al Oeste De Mansion, Nicoya.	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: 141 km / 88 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 2.8, 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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