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Light mag. 3.4 earthquake - Provincia de Cartago, 32 km northeast of San Jose, San José, Costa Rica, on 23 de mayo del 2021 2:20 am

Light magnitude 3.4 earthquake at 4 km depth

23 May 13:46 UTC: First to report: RSN after 5 hours.

Earthquake details

Date & time	May 23, 2021 08:20:00 UTC
Local time at epicenter	23 de mayo del 2021 2:20 am
Status	Confirmed
Magnitude	3.4
Depth	4.0 km
Epicenter latitude / longitude	10.067°N / 83.829°W (Oreamuno, Provincia de Cartago, Costa Rica)
Antipode	10.067°S / 96.171°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	RSN
Nearest volcano	Turrialba (8 km / 5 mi)
Nearby towns and cities	13 km (8 mi) SSW of Jiménez (Limón) (pop: 985) \| Show on map \| Quakes nearby 17 km (11 mi) SSW of Guapiles (Pococí, Limón) (pop: 19,100) \| Show on map \| Quakes nearby 23 km (14 mi) ENE of Ipis (San José) (pop: 26,700) \| Show on map \| Quakes nearby 24 km (15 mi) NW of Turrialba (Cartago) (pop: 29,000) \| Show on map \| Quakes nearby 25 km (15 mi) NNE of Cartago (pop: 26,600) \| Show on map \| Quakes nearby 26 km (16 mi) N of Paraiso (Cartago) (pop: 39,700) \| Show on map \| Quakes nearby 27 km (17 mi) ENE of San Vicente (San José) (pop: 34,400) \| Show on map \| Quakes nearby 27 km (17 mi) ENE of San Vicente de Moravia (San Vicente, San José) (pop: 34,400) \| Show on map \| Quakes nearby 32 km (20 mi) ENE of San Jose (San José) (pop: 335,000) \| Show on map \| Quakes nearby 34 km (21 mi) ENE of San Francisco (Heredia) (pop: 55,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	7.9 x 10⁹ joules (2.21 megawatt hours, equivalent to 1.9 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
3.4	4 km	Costa Rica: 15 Km Al Noroeste De Santa Cruz, Turrialba.	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: 32 km / 20 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

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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