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Light mag. 3.6 earthquake - North Pacific Ocean, 60 km southwest of Liberia, Costa Rica, on Saturday, Mar 18, 2023 at 12:52 pm (GMT -6) -

Light magnitude 3.6 earthquake at 19 km depth

18 Mar 19:24 UTC: First to report: RaspberryShake after 32 minutes.

Earthquake details

Date & time	Mar 18, 2023 18:52:30 UTC -
Local time at epicenter	Saturday, Mar 18, 2023 at 12:52 pm (GMT -6)
Status	Confirmed
Magnitude	3.6
Depth	19.0 km
Epicenter latitude / longitude	10.4°N / 85.93°W (North Pacific Ocean, Costa Rica)
Antipode	10.4°S / 94.07°E
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	RaspberryShake (RaspberryShake)
Nearest volcano	Orosí (82 km / 51 mi)
Nearby towns and cities	15 km (9 mi) NW of Tamarindo (pop: 6,380) \| Show on map \| Quakes nearby 34 km (21 mi) WSW of Sardinal (pop: 3,270) \| Show on map \| Quakes nearby 41 km (25 mi) WNW of Santa Cruz (pop: 12,300) \| Show on map \| Quakes nearby 59 km (37 mi) WNW of Nicoya (pop: 15,300) \| Show on map \| Quakes nearby 60 km (37 mi) WSW of Liberia (pop: 45,400) \| Show on map \| Quakes nearby 196 km (122 mi) S of Managua (Nicaragua) (pop: 973,100) \| Show on map \| Quakes nearby 202 km (126 mi) WNW of San Francisco (pop: 55,900) \| Show on map \| Quakes nearby 209 km (130 mi) WNW of San Jose (pop: 335,000) \| Show on map \| Quakes nearby 128 km (80 mi) SSW of Isla de Ometepe Island (pop: 30,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Few Clouds 30.5°C (87 F), humidity: 69%, wind: 5 m/s (9 kts) from WNW
Estimated seismic energy released	1.6 x 10¹⁰ joules (4.4 megawatt hours, equivalent to 3.79 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
3.6	19 km	Costa Rica	RaspberryShake
3.6	19 km	COSTA RICA	EMSC

Most recent quakes Top 20 past 24 hrs Quakes in Nicaragua

Seismograms

Seismic station: Managua, Nicaragua (MGAN/NU network) | Distance from quake: 198 km / 123 mi | Show on map | Station Info

Seismic station Managua, Nicaragua: 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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