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Moderate mag. 4.5 earthquake - North Pacific Ocean, 115 km west of Liberia, Provincia de Guanacaste, Costa Rica, on Sunday, Mar 19, 2023 at 8:12 am (GMT -6) -

Moderate magnitude 4.5 earthquake at 33 km depth

19 Mar 14:28 UTC: First to report: INETER after 16 minutes.
19 Mar 18:44: Now using data updates from USGS

Earthquake details

Date & time	Mar 19, 2023 14:12:30 UTC -
Local time at epicenter	Sunday, Mar 19, 2023 at 8:12 am (GMT -6)
Status	Confirmed
Magnitude	4.5
Depth	32.8 km
Epicenter latitude / longitude	10.7736°N / 86.4849°W (North Pacific Ocean, Costa Rica)
Antipode	10.774°S / 93.515°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Orosí (113 km / 70 mi)
Nearby towns and cities	88 km (55 mi) NW of Tamarindo (pop: 6,380) \| Show on map \| Quakes nearby 96 km (60 mi) WNW of Sardinal (pop: 3,270) \| Show on map \| Quakes nearby 99 km (61 mi) WSW of La Cruz (pop: 4,320) \| Show on map \| Quakes nearby 115 km (72 mi) W of Liberia (pop: 45,400) \| Show on map \| Quakes nearby 149 km (92 mi) W of San Jose (Upala) (pop: 31,400) \| Show on map \| Quakes nearby 153 km (95 mi) S of Managua (Nicaragua) (pop: 973,100) \| Show on map \| Quakes nearby 201 km (125 mi) WNW of Puntarenas (pop: 35,700) \| Show on map \| Quakes nearby 279 km (173 mi) WNW of San Jose (pop: 335,000) \| Show on map \| Quakes nearby 129 km (80 mi) SW of Isla de Ometepe Island (pop: 30,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	3.5 x 10¹¹ joules (98.6 megawatt hours, equivalent to 84.8 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
4.5	33 km	76 Km Al Noroeste De Rosario, Costa Rica	USGS
4.8	14 km	Costa Rica: 92 Km Al Oeste De Cabo Velas, Guanacaste.	RSN
4.5	33 km	Off Coast of Costa Rica	RaspberryShake
4.8	14 km	OFF COAST OF COSTA RICA	EMSC
4.2	22 km	Off the Coast of Costa Rica	INETER
4.4	48 km	Off Coast of Costa Rica	GFZ

Most recent quakes Top 20 past 24 hrs Quakes in Nicaragua

Seismograms

Seismic station: Managua, Nicaragua (MGAN/NU network) | Distance from quake: 155 km / 96 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: 0.2-10.0 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.

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