Earthquake Costa Calabra sud-occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), Magnitude ML 2.2, 22 August 2023 time 11:53:39 (Timezone Italy)

A magnitude ML 2.2 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

22-08-2023 09:53:39 (UTC)
22-08-2023 11:53:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8600, 16.1340 at 11 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

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

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Pizzo	VV	14	9278	9278
Gizzeria	CZ	15	4982	14260
Francavilla Angitola	VV	15	1939	16199
Filadelfia	VV	16	5384	21583
Falerna	CZ	16	4028	25611
Curinga	CZ	16	6779	32390
Briatico	VV	17	4053	36443
Maierato	VV	18	2188	38631
Sant'Onofrio	VV	18	3067	41698
San Pietro a Maida	CZ	19	4200	45898
Polia	VV	20	1023	46921
Nocera Terinese	CZ	20	4731	51652

Municipalities with at least 50000 inhabitants

An earthquake occurred to

21 Km SW of Lamezia Terme (70714 inhabitants)

40 Km W of Catanzaro (90612 inhabitants)

49 Km S of Cosenza (67546 inhabitants)

89 Km W of Crotone (62178 inhabitants)

89 Km NE of Messina (238439 inhabitants)

94 Km NE of Reggio di Calabria (183035 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	ML 2.2	2023-08-22 09:53:39	38.8603	16.1345	11	2023-08-22 10:02:47	Sala Sismica INGV-Roma	120379021

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-08-22 09:53:39 ± 0.18
Latitude	38.8603 ± 0.0054
Longitude	16.1345 ± 0.0139
Depth (km)	11 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV
Event type	earthquake
Origin ID	120379021

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	1013
Semi-minor axis of confidence ellipse (meter)	632
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	77
Circular confidence region, given by single value of horizontal uncertainty (meter)	1010.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	121
Number of associated phases, regardless of their use for origin computation	39
Number of defining phases	31
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.38
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	1.35258
Number of stations at which the event was observed	31
Number of stations from which data was used for origin computation	24

Magnitude information

ML:2.2

Field	Value
Value	2.2
Uncertainty	0.3
Num. used stations	50
Type of magnitude	ML
Reference to an origin	120379021
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2023-08-22 10:02:47

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.VVLD.HHZ.	2023-08-22T09:55:24.61	3.0	undecidable	manual	Sg				8.98	0
IV.GIUL.HHZ.	2023-08-22T09:55:21.07	3.0	undecidable	manual	Sg				7.54	0
HL.ITM.HHZ.	2023-08-22T09:55:01.01	3.0	positive	manual	Pg				9.34	0
IV.FDMO.HHZ.	2023-08-22T09:55:01.33	3.0	negative	manual	Pg				11.58	0
IV.GIUL.HHZ.	2023-08-22T09:54:30.16	3.0	positive	manual	Pn				-1.9	0
IV.VBKN.HHZ.	2023-08-22T09:54:16.06	3.0	negative	manual	Pn				-0.68	0
IV.CMPR.HHZ.	2023-08-22T09:54:06.96	3.0	undecidable	manual	P				0.78	0
IV.MCEL.HHZ.	2023-08-22T09:54:05.79	3.0	negative	manual	P				1	0
IV.MGR.HHZ.	2023-08-22T09:54:02.76	0.3	undecidable	manual	P	341	150.1386	50	-1.04	42
IV.SIRI.HHZ.	2023-08-22T09:54:02.32	0.3	undecidable	manual	P	351	148.3404	50	-1.21	39
IV.T0701.HHZ.	2023-08-22T09:54:00.07	0.3	undecidable	manual	P					100
MN.CUC.HHZ.	2023-08-22T09:53:59.68	0.3	undecidable	manual	P	348	128.6712	50	-0.81	49
XE.MORMA.HHZ.	2023-08-22T09:53:57.95	0.3	undecidable	manual	P	353	112.7982	50	-0.1	62
IV.GRIS.EHZ.	2023-08-22T09:53:56.24	0.3	undecidable	manual	P	346	100.5216	50	0.08	64
IV.SPS2.HHZ.	2023-08-22T09:53:55.48	0.6	undecidable	manual	S	20	50.9157	50	0.16	46
IV.TDS.HHZ.	2023-08-22T09:53:55.00	0.3	undecidable	manual	P	11	90.4428	50	0.41	61
IV.LADO.EHZ.	2023-08-22T09:53:55.73	0.3	undecidable	manual	P	57	86.6466	50	1.72	33
IV.PLAC.HHZ.	2023-08-22T09:53:55.99	0.6	undecidable	manual	S	150	52.6029	50	0.2	46
IV.T0702.HHZ.	2023-08-22T09:53:55.55	0.3	undecidable	manual	P					100
IV.SOI.EHZ.	2023-08-22T09:53:54.42	0.3	undecidable	manual	P	185	87.6456	50	0.26	64
IV.MSRU.HHZ.	2023-08-22T09:53:54.53	0.3	undecidable	manual	P	220	85.6476	50	0.68	57
IV.CAR1.HHZ.	2023-08-22T09:53:53.49	0.6	undecidable	manual	S	9	44.1225	50	-0.01	48
IV.CET2.HHZ.	2023-08-22T09:53:52.59	0.3	undecidable	manual	P	348	75.7686	50	0.26	65
IY.SPDC.HHZ.	2023-08-22T09:53:51.41	0.6	undecidable	manual	S	180	37.0296	50	-0.21	47
IV.CELI.HNZ.	2023-08-22T09:53:51.78	0.6	undecidable	manual	P	28	68.2761	50	0.6	40
IY.CHCE.HHZ.	2023-08-22T09:53:49.52	0.6	undecidable	manual	S	129	31.1466	50	-0.52	44
IV.PLAC.HHZ.	2023-08-22T09:53:48.71	0.1	undecidable	manual	P	150	52.6029	50	-0.06	94
IV.SPS2.HHZ.	2023-08-22T09:53:48.81	0.3	undecidable	manual	P	20	50.9157	50	0.3	67
IV.SERS.HHZ.	2023-08-22T09:53:48.89	0.1	undecidable	manual	P	68	51.6039	50	0.28	90
IV.SELL.HHZ.	2023-08-22T09:53:47.65	0.1	undecidable	manual	P	72	44.7219	50	0.1	95
7C.CSMBE.HNE.	2023-08-22T09:53:47.90	0.3	undecidable	manual	P	13	48.9177	50	-0.3	68
IV.GRI.EHZ.	2023-08-22T09:53:47.67	0.6	undecidable	manual	S	100	25.0527	50	-0.74	41
IV.FERC.HHZ.00	2023-08-22T09:53:47.52	0.3	undecidable	manual	P	181	45.2214	50	-0.11	71
IV.CAR1.HHZ.	2023-08-22T09:53:47.66	0.1	positive	manual	P	9	44.1225	50	0.2	93
IY.SPDC.HHZ.	2023-08-22T09:53:46.31	0.1	undecidable	manual	P	180	37.0296	50	-0.06	97
IY.CHCE.HHZ.	2023-08-22T09:53:45.27	0.3	undecidable	manual	P	129	31.1466	50	-0.19	72
IV.GIZZ.HHZ.	2023-08-22T09:53:45.06	0.6	undecidable	manual	S	25	14.6742	126	-0.45	46
IV.GRI.EHZ.	2023-08-22T09:53:44.48	0.1	undecidable	manual	P	100	25.0527	50	-0.04	99
IV.GIZZ.HHZ.	2023-08-22T09:53:42.94	0.1	positive	manual	P	25	14.6742	126	0.1	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.GIZZ.HHN.	ML:2.4	0.0024000000000000002	0.1	AML	other	m	2023-08-22T09:53:45.50
IV.GIZZ.HHE.	ML:2.4	0.002275	1.46	AML	other	m	2023-08-22T09:53:45.74
IV.GRI.EHN.	ML:3.0	0.005995	0.28	AML	other	m	2023-08-22T09:53:48.37
IV.GRI.EHE.	ML:2.8	0.00387	0.42	AML	other	m	2023-08-22T09:53:48.75
IY.CHCE.HHE.00	ML:2.6	0.0020800000000000003	1.54	AML	other	m	2023-08-22T09:53:49.91
IY.CHCE.HHN.00	ML:2.7	0.002165	1.72	AML	other	m	2023-08-22T09:53:50.97
IY.SPDC.HHN.	ML:2.7	0.00172	0.26	AML	other	m	2023-08-22T09:53:53.39
IY.SPDC.HHE.	ML:2.8	0.00221	0.28	AML	other	m	2023-08-22T09:53:53.63
IV.CAR1.HHE.	ML:2.5	0.001042	0.74	AML	other	m	2023-08-22T09:53:54.40
IV.SELL.HNE.	ML:2.2	0.0004815	0.7	AML	other	m	2023-08-22T09:53:55.77
IV.SELL.HNN.	ML:2.3	0.0006274999999999999	1.58	AML	other	m	2023-08-22T09:53:55.96
IV.SELL.HHN.	ML:1.8	0.000185	1.58	AML	other	m	2023-08-22T09:53:55.17
IV.CAR1.HHN.	ML:2.3	0.000657	0.54	AML	other	m	2023-08-22T09:53:57.33
IV.SPS2.HHE.	ML:1.8	0.0001645	0.6	AML	other	m	2023-08-22T09:53:57.53
IV.PLAC.HHN.	ML:2.2	0.00040300000000000004	0.94	AML	other	m	2023-08-22T09:53:58.10
IV.PLAC.HNN.	ML:2.3	0.00047950000000000005	0.94	AML	other	m	2023-08-22T09:53:58.58
IV.PLAC.HNE.	ML:2.3	0.000495	0.3	AML	other	m	2023-08-22T09:53:58.68
IV.PLAC.HHE.	ML:2.4	0.0005715	0.3	AML	other	m	2023-08-22T09:53:58.68
IV.SPS2.HHN.	ML:2.0	0.00022749999999999997	0.28	AML	other	m	2023-08-22T09:53:58.87
IV.SERS.HHE.	ML:1.8	0.000169	0.38	AML	other	m	2023-08-22T09:54:02.92
IV.SELL.HHE.	ML:1.7	0.000149	1.62	AML	other	m	2023-08-22T09:54:04.16
IV.CET2.HHE.	ML:2.4	0.0003805	0.6	AML	other	m	2023-08-22T09:54:04.17
IV.CET2.HHN.	ML:2.7	0.000703	0.66	AML	other	m	2023-08-22T09:54:04.87
IV.SERS.HHN.	ML:1.7	0.00013450000000000002	0.38	AML	other	m	2023-08-22T09:54:06.71
IV.TDS.HHE.	ML:1.6	0.00005225	0.64	AML	other	m	2023-08-22T09:54:09.03
IV.TDS.HHN.	ML:1.7	0.000060650000000000004	1.42	AML	other	m	2023-08-22T09:54:09.09
IV.MSRU.HHE.	ML:2.2	0.00021349999999999999	0.46	AML	other	m	2023-08-22T09:54:09.18
IV.MSRU.HHN.	ML:2.2	0.0001865	0.32	AML	other	m	2023-08-22T09:54:09.87
XE.T0702.HHN.	ML:1.9	0.0000906	0.54	AML	other	m	2023-08-22T09:54:10.18
XE.T0702.HHE.	ML:2.1	0.00013000000000000002	0.26	AML	other	m	2023-08-22T09:54:10.67
IV.SOI.EHN.	ML:2.0	0.00011049999999999999	1.48	AML	other	m	2023-08-22T09:54:11.98
IV.GRIS.EHN.	ML:2.4	0.000228	0.3	AML	other	m	2023-08-22T09:54:11.76
IV.GRIS.EHE.	ML:2.3	0.00020850000000000003	1.32	AML	other	m	2023-08-22T09:54:12.21
IV.LADO.EHN.	ML:2.1	0.00014150000000000002	0.56	AML	other	m	2023-08-22T09:54:12.24
IV.SOI.EHE.	ML:1.8	0.0000837	0.42	AML	other	m	2023-08-22T09:54:13.67
IV.LADO.EHE.	ML:2.0	0.00011949999999999999	1.24	AML	other	m	2023-08-22T09:54:14.93
XE.MORMA.HHE.	ML:2.3	0.00017199999999999998	0.5	AML	other	m	2023-08-22T09:54:17.39
XE.MORMA.HHN.	ML:2.2	0.00014649999999999998	0.72	AML	other	m	2023-08-22T09:54:18.46
MN.CUC.HHE.	ML:2.2	0.000106	0.42	AML	other	m	2023-08-22T09:54:20.57
XE.T0701.HHE.	ML:2.2	0.00009825	0.28	AML	other	m	2023-08-22T09:54:21.31
MN.CUC.HHN.	ML:2.1	0.00009125	0.54	AML	other	m	2023-08-22T09:54:21.47
XE.T0701.HHN.	ML:2.0	0.000068	0.82	AML	other	m	2023-08-22T09:54:24.87
IV.MGR.HHN.	ML:2.2	0.00007595	0.28	AML	other	m	2023-08-22T09:54:26.36
IV.SIRI.HHE.	ML:2.2	0.00007744999999999999	0.28	AML	other	m	2023-08-22T09:54:27.39
IV.MGR.HHE.	ML:2.0	0.00005165	0.3	AML	other	m	2023-08-22T09:54:29.48
IV.SIRI.HHN.	ML:2.2	0.00007785000000000001	0.44	AML	other	m	2023-08-22T09:54:29.52
IV.CMPR.HHN.	ML:1.8	0.00002575	0.42	AML	other	m	2023-08-22T09:54:35.08
IV.CMPR.HHE.	ML:1.9	0.000032500000000000004	0.36	AML	other	m	2023-08-22T09:54:38.61
IV.MCEL.HHE.	ML:1.9	0.0000363	0.58	AML	other	m	2023-08-22T09:54:41.45
IV.MCEL.HHN.	ML:1.8	0.00003105	0.72	AML	other	m	2023-08-22T09:54:44.40

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
Waveforms	Seismic signals in miniseed + resp format	Download

Earthquake with magnitude of ML 2.2 on date 22-08-2023 and time 11:53:39 (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:2.2