Earthquake Costa Rica, Magnitude Mwp 5.6, 21 March 2023 time 02:44:17 (Timezone Italy)

A magnitude Mwp 5.6 earthquake occured in region: Costa Rica, on

21-03-2023 01:44:17 (UTC)
21-03-2023 02:44:17 (UTC +01:00) Italian time
20-03-2023 19:44:17 (UTC -06:00) local time in the region of the earthquake (America/Costa_Rica)

and geographic coordinates (lat, lon) 9.4850, -84.2410 at 34 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Display location by

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Reviewed Rev100	mb 5.0 Mwp 5.6	2023-03-21 01:44:17	9.4852	-84.2414	34	2023-03-21 01:58:55	Sala Sismica INGV-Roma	115579191

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-03-21 01:44:17
Latitude	9.4852
Longitude	-84.2414
Depth (km)	34 (from location)
Evaluation mode of Origin	automatic
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV-A
Event type	earthquake
Origin ID	115579191

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	12867
Semi-minor axis of confidence ellipse (meter)	12151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	245
Circular confidence region, given by single value of horizontal uncertainty (meter)	13450.7
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	132.581
Number of associated phases, regardless of their use for origin computation	45
Number of defining phases	45
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	2.08673
Epicentral distance of station closest to the epicenter (degree)	0.53247
Epicentral distance of station farthest from the epicenter (degree)	84.04410
Number of stations at which the event was observed	43
Number of stations from which data was used for origin computation	43

Magnitudes information

Mwp:5.6

Field	Value
Value	5.6
Uncertainty	0.2
Num. used stations	7
Type of magnitude	Mwp
Reference to an origin	115579191
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-03-21 01:58:55

mb:5.0

Field	Value
Value	5.0
Uncertainty	0.2
Num. used stations	24
Type of magnitude	mb
Reference to an origin	115579191
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-03-21 01:58:55

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
GE.WLF.BHZ.	2023-03-21T01:56:47.40	10.0	positive	automatic	pP	41	83.0335	-1.34482	0
WM.MAHO.BHZ.	2023-03-21T01:56:46.40	10.0	positive	automatic	pP	51	82.7925	-1.04881	0
IU.ADK.BHZ.00	2023-03-21T01:56:44.65	10.0	negative	automatic	P	322	84.0441	1.24958	0.139285
GE.IBBN.BHZ.	2023-03-21T01:56:40.95	10.0	positive	automatic	P	38	83.7187	-0.792572	0
RD.MTLF.BHZ.	2023-03-21T01:56:27.06	10.0	negative	automatic	P	47	80.9398	-0.196015	0.164757
RD.MFF.BHZ.	2023-03-21T01:56:17.18	10.0	positive	automatic	P	44	79.0759	0.0128341	0.181983
GE.DAG.BHZ.	2023-03-21T01:55:53.31	10.0	positive	automatic	P	12	75.2996	-2.64221	0.211525
PM.PESTR.BHZ.	2023-03-21T01:55:46.19	10.0	positive	automatic	P	52	73.6939	-0.500167	0.233226
LX.MORF.BHZ.	2023-03-21T01:55:42.11	10.0	negative	automatic	P	54	72.8314	0.485891	0.248274
DK.SCO.BHZ.	2023-03-21T01:55:34.80	10.0	positive	automatic	P	18	72.0266	-1.94185	0.251316
US.EGAK.BHZ.00	2023-03-21T01:55:10.00	10.0	negative	automatic	P	337	67.7556	-0.539019	0.304274
US.HWUT.BHZ.00	2023-03-21T01:53:53.83	10.0	negative	automatic	PcP	328	40.1236	0.720857	0
US.ISCO.BHZ.00	2023-03-21T01:53:40.93	10.0	negative	automatic	PcP	331	35.7892	1.03607	0
C1.LL02.BHZ.	2023-03-21T01:53:37.63	10.0	positive	automatic	P	169	53.8712	1.50955	0.459936
C1.LL01.BHZ.	2023-03-21T01:53:29.05	10.0	negative	automatic	P	169	52.9802	-0.476105	0.488848
GT.PLCA.BHZ.00	2023-03-21T01:53:16.98	10.0	negative	automatic	P	167	51.7812	-3.82861	0.537371
C.GO06.BHZ.	2023-03-21T01:53:12.25	10.0	positive	automatic	P	167	50.4777	1.19607	0.521639
US.WVOR.BHZ.00	2023-03-21T01:52:24.58	10.0	negative	automatic	P	324	44.6099	-0.929086	0.661037
US.HLID.BHZ.00	2023-03-21T01:52:14.15	10.0	positive	automatic	P	328	42.9900	1.58951	0.690745
US.AGMN.BHZ.00	2023-03-21T01:51:44.90	10.0	negative	automatic	P	348	40.0243	-3.11164	0.755819
US.ECSD.BHZ.00	2023-03-21T01:51:10.00	10.0	negative	automatic	P	345	35.8974	-3.23239	0.756454
US.SDCO.BHZ.00	2023-03-21T01:51:01.03	10.0	negative	automatic	P	329	34.1325	2.64159	0.834903
US.JFWS.BHZ.00	2023-03-21T01:50:52.78	10.0	positive	automatic	P	352	33.8378	-2.66033	0.795119
IU.ANMO.BHZ.00	2023-03-21T01:50:44.15	10.0	positive	automatic	P	325	32.5549	-0.354722	0.8668
IU.SSPA.BHZ.00	2023-03-21T01:50:36.10	10.0	negative	automatic	P	9	31.6548	-0.242487	0.885265
GT.LPAZ.BHZ.00	2023-03-21T01:50:27.23	10.0	positive	automatic	P	148	30.3048	2.01142	0.86369
US.ACSO.BHZ.00	2023-03-21T01:50:27.65	10.0	negative	automatic	P	2	30.7657	-0.856257	0.854581
IU.CCM.BHZ.00	2023-03-21T01:50:13.10	10.0	negative	automatic	P	349	29.2559	-2.04489	0.963855
IU.WVT.BHZ.00	2023-03-21T01:49:51.85	10.0	negative	automatic	P	354	26.8422	-1.74544	0.952381
US.MIAR.BHZ.00	2023-03-21T01:49:49.43	10.0	positive	automatic	P	343	26.4770	-0.87809	0.952381
US.JCT.BHZ.00	2023-03-21T01:49:46.23	10.0	positive	automatic	pP	328	25.5156	-4.92733	0
US.GOGA.BHZ.00	2023-03-21T01:49:26.68	10.0	positive	automatic	P	2	23.9356	-0.533563	0.930233
US.LRAL.BHZ.00	2023-03-21T01:49:24.73	10.0	positive	automatic	P	354	23.6905	-0.246446	0.963855
IU.SJG.BHZ.00	2023-03-21T01:48:41.65	10.0	positive	automatic	P	62	19.5495	0.553615	0.909091
MX.TLIG.BHZ.	2023-03-21T01:48:02.64	10.0	negative	automatic	P	302	16.0865	2.58925	0.888889
CU.SDDR.BHZ.00	2023-03-21T01:47:57.70	10.0	positive	automatic	P	51	15.7273	2.35781	0.610687
CU.GTBY.BHZ.00	2023-03-21T01:47:31.37	10.0	positive	automatic	P	39	13.6651	3.67245	0.909091
IU.SDV.BHZ.00	2023-03-21T01:47:23.60	10.0	positive	automatic	P	91	13.4449	-1.36232	0.43956
IU.TEIG.BHZ.00	2023-03-21T01:47:01.97	10.0	positive	automatic	P	341	11.4244	4.88824	0.43956
MX.CCIG.BHZ.	2023-03-21T01:46:43.77	10.0	positive	automatic	P	312	10.2634	2.29734	0.43956
GE.BOAB.BHZ.	2023-03-21T01:45:06.20	10.0	positive	automatic	P	335	3.2773	0.824289	0.97561
II.JTS.BHZ.00	2023-03-21T01:44:35.02	10.0	negative	automatic	P	319	1.0676	0.0386393	0.97561
G.HDC.BHZ.00	2023-03-21T01:44:27.45	10.0	negative	automatic	P	14	0.5325	0.0348668	0.97561

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of Mwp 5.6 on date 21-03-2023 and time 02:44:17 (Italy) in region Costa Rica

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Mwp:5.6

mb:5.0