Earthquake Costa Calabra sud-occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), Magnitude ML 1.1, 17 April 2020 time 15:33:00 (Timezone Italy)

A magnitude ML 1.1 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

17-04-2020 13:33:00 (UTC)
17-04-2020 15:33:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0370, 16.0610 at 20 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Serra d'Aiello	CS	8	458	458
Nocera Terinese	CZ	9	4731	5189
Falerna	CZ	10	4028	9217
Amantea	CS	11	13975	23192
San Mango d'Aquino	CZ	12	1564	24756
San Pietro in Amantea	CS	12	505	25261
Cleto	CS	13	1301	26562
Aiello Calabro	CS	13	1729	28291
Belmonte Calabro	CS	14	2003	30294
Gizzeria	CZ	14	4982	35276
Martirano Lombardo	CZ	15	1112	36388
Lago	CS	16	2624	39012
Martirano	CZ	17	884	39896
Grimaldi	CS	19	1680	41576
Longobardi	CS	19	2312	43888
Altilia	CS	20	711	44599
Conflenti	CZ	20	1392	45991

Municipalities with at least 50000 inhabitants

An earthquake occurred to

23 Km W of Lamezia Terme (70714 inhabitants)

33 Km SW of Cosenza (67546 inhabitants)

48 Km W of Catanzaro (90612 inhabitants)

92 Km W of Crotone (62178 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
Bulletin Rev1000	ML 1.1	2020-04-17 13:33:00	39.037	16.0608	20	2020-07-18 21:08:41	Bollettino Sismico Italiano INGV	80412891
Reviewed Rev100	ML 1.2	2020-04-17 13:33:00	39.0338	16.0648	21	2020-04-17 13:41:12	Sala Sismica INGV-Roma	78319921

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2020-04-17 13:33:00 ± 0.12
Latitude	39.0370 ± 0.0045
Longitude	16.0608 ± 0.0069
Depth (km)	20 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	80412891

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	618
Semi-minor axis of confidence ellipse (meter)	126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	307
Circular confidence region, given by single value of horizontal uncertainty (meter)	620.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	153
Number of associated phases, regardless of their use for origin computation	33
Number of defining phases	19
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.22
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.55938
Number of stations at which the event was observed	24
Number of stations from which data was used for origin computation	10

Magnitudes information

ML:1.1

Field	Value
Value	1.1
Uncertainty	0.2
Num. used stations	8
Type of magnitude	ML
Reference to an origin	80412891
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2020-06-22 19:16:37

ML:1.2

Field	Value
Value	1.2
Uncertainty	0.5
Num. used stations	10
Type of magnitude	ML
Reference to an origin	78319921
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2020-04-17 13:41:12

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
GU.POPM.HHZ.	2020-04-17T13:34:40.40	3.0	negative	manual	Pg				10.26	0
AC.VLO.HHZ.	2020-04-17T13:34:39.24	3.0	undecidable	manual	Sg				7.35	0
IV.PE3.EHZ.	2020-04-17T13:34:30.13	3.0	positive	manual	Pg				13.25	0
IV.RIBO.EHZ.01	2020-04-17T13:34:21.15	3.0	positive	manual	Pn				4.5	0
IV.NARO.HHZ.	2020-04-17T13:34:20.74	3.0	positive	manual	Pn				5.28	0
IV.FIR.HHZ.	2020-04-17T13:34:18.46	3.0	undecidable	manual	Pn				-5.76	0
TV.SF04.EHZ.	2020-04-17T13:34:16.75	3.0	undecidable	manual	Pg				5.29	0
IV.SENI.HNZ.	2020-04-17T13:34:10.08	3.0	positive	manual	Pn				-3.91	0
IV.EL6.EHZ.	2020-04-17T13:34:07.86	3.0	positive	manual	Pn				-1.87	0
IV.TERO.HHZ.	2020-04-17T13:34:07.79	3.0	positive	manual	Pg				8.96	0
OT.TAR1.HHZ.	2020-04-17T13:33:59.72	3.0	undecidable	manual	Sg				-0.68	0
IX.STN3.HNZ.01	2020-04-17T13:33:47.58	3.0	undecidable	manual	Sn				-2.37	0
IV.IFIL.HHZ.	2020-04-17T13:33:22.40	3.0	undecidable	manual	S				-5.5	0
MN.TIP.HHN.	2020-04-17T13:33:20.19	0.6	undecidable	manual	S	75	62.0934	100	0.23	45
IV.CELI.HHZ.	2020-04-17T13:33:18.23	0.3	undecidable	manual	S	43	55.8996	101	-0.12	70
IV.SERS.HNN.	2020-04-17T13:33:17.71	0.6	undecidable	manual	S	90	54.1014	102	-0.16	47
IV.CET2.HHZ.	2020-04-17T13:33:17.12	0.6	undecidable	manual	S	351	55.3002	102	-1.06	33
IV.JOPP.HHZ.	2020-04-17T13:33:16.62	0.3	undecidable	manual	S	198	50.1165	103	-0.2	71
XK.SELL.HHZ.	2020-04-17T13:33:16.51	0.6	undecidable	manual	S	97	49.2174	103	-0.09	48
IV.SPS2.HHZ.	2020-04-17T13:33:13.50	0.3	undecidable	manual	S	40	36.9297	109	0.05	75
IV.CET2.HHZ.	2020-04-17T13:33:11.31	0.3	undecidable	manual	P	351	55.3002	102	0.5	65
IV.CAR1.HHZ.	2020-04-17T13:33:11.07	0.3	undecidable	manual	S	28	27.2505	117	0	75
MN.TIP.HHN.	2020-04-17T13:33:11.80	0.1	undecidable	manual	P	75	62.0934	100	-0.03	95
IV.JOPP.HHZ.	2020-04-17T13:33:10.09	0.3	undecidable	manual	P	198	50.1165	103	0.07	71
IV.CELI.HHZ.	2020-04-17T13:33:10.94	0.1	undecidable	manual	P	43	55.8996	101	0.04	96
IV.SERS.HNN.	2020-04-17T13:33:10.48	0.1	undecidable	manual	P	90	54.1014	102	-0.14	94
XK.SELL.HHZ.	2020-04-17T13:33:09.83	0.1	undecidable	manual	P	97	49.2174	103	-0.07	97
IV.GRI.EHN.	2020-04-17T13:33:08.11	0.3	undecidable	manual	P	127	39.1275	108	-0.28	71
XK.GIZZ.HHZ.	2020-04-17T13:33:08.38	0.3	undecidable	manual	S	117	14.1747	139	0.09	77
IV.SPS2.HHZ.	2020-04-17T13:33:08.19	0.1	undecidable	manual	P	40	36.9297	109	0.12	98
IV.IST3.HHZ.	2020-04-17T13:33:06.07	3.0	undecidable	manual	P				-7.98	0
IV.CAR1.HHZ.	2020-04-17T13:33:06.87	0.1	negative	manual	P	28	27.2505	117	0.17	98
XK.GIZZ.HHZ.	2020-04-17T13:33:05.27	0.1	undecidable	manual	P	117	14.1747	139	0.18	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.CAR1.HHN.	ML:1.3	0.0000889	0.42	AML	other	m	2020-04-17T13:33:11.59
IV.CAR1.HHE.	ML:1.4	0.0001081	0.38	AML	other	m	2020-04-17T13:33:11.40
IV.SPS2.HHE.	ML:0.9	0.00002465	0.52	AML	other	m	2020-04-17T13:33:13.91
IV.SPS2.HHN.	ML:1.0	0.00003255	0.38	AML	other	m	2020-04-17T13:33:13.67
IV.JOPP.HHN.	ML:1.1	0.0000311	0.2	AML	other	m	2020-04-17T13:33:17.30
IV.JOPP.HHE.	ML:1.1	0.000031	0.18	AML	other	m	2020-04-17T13:33:17.40
IV.CELI.HHE.	ML:1.0	0.000018950000000000003	0.44	AML	other	m	2020-04-17T13:33:18.68
IV.CELI.HHN.	ML:0.8	0.000016829999999999996	1.26	AML	other	m	2020-04-17T13:33:18.64

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 ML 1.1 on date 17-04-2020 and time 15:33:00 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.1

ML:1.2