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Moderate mag. 4.0 earthquake - North Pacific Ocean, 68 km south of Puntarenas, Costa Rica, on Monday, Dec 5, 2022 at 4:50 am (GMT -6) -

Moderate magnitude 4.0 earthquake at 10 km depth

5 Dec 19:38 UTC: First to report: RSN after 9 hours.

Earthquake details

Date & time	Dec 5, 2022 10:50:00 UTC -
Local time at epicenter	Monday, Dec 5, 2022 at 4:50 am (GMT -6)
Status	Confirmed
Magnitude	4
Depth	10.0 km
Epicenter latitude / longitude	9.365°N / 84.786°W (North Pacific Ocean, Costa Rica)
Antipode	9.365°S / 95.214°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	RSN
Nearest volcano	Poas (111 km / 69 mi)
Nearby towns and cities	33 km (20 mi) SSW of Jaco (pop: 4,090) \| Show on map \| Quakes nearby 68 km (42 mi) S of Puntarenas (pop: 35,700) \| Show on map \| Quakes nearby 69 km (43 mi) S of Chacarita (pop: 26,400) \| Show on map \| Quakes nearby 74 km (46 mi) SW of Tejar (Acosta) (pop: 22,400) \| Show on map \| Quakes nearby 75 km (47 mi) SW of San Rafael Abajo (Puriscal) (pop: 27,400) \| Show on map \| Quakes nearby 96 km (60 mi) SW of Alajuela (pop: 47,500) \| Show on map \| Quakes nearby 100 km (62 mi) SW of San Jose (pop: 335,000) \| Show on map \| Quakes nearby 100 km (62 mi) SW of San Francisco (pop: 55,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	6.3 x 10¹⁰ joules (17.5 megawatt hours, equivalent to 15.1 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
4.0	10 km	Costa Rica: 33 Km Al Sur De Jaco, Garabito.	RSN
4.0	10 km	Costa Rica	RaspberryShake

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Seismograms

Seismic station: Heredia, Costa Rica (HDC/G network) | Distance from quake: 102 km / 64 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

Earlier earthquakes in the same area

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