Earthquake 4 km SW Lioni (AV), Magnitude ML 1.3, 27 January 2023 time 16:01:15 (Timezone UTC)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Lioni (AV), on

27-01-2023 16:01:15 (UTC)
27-01-2023 17:01:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8550, 15.1510 at 12 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
Lioni	AV	4	6201	6201
Nusco	AV	7	4203	10404
Bagnoli Irpino	AV	7	3217	13621
Caposele	AV	8	3483	17104
Sant'Angelo dei Lombardi	AV	8	4250	21354
Teora	AV	9	1537	22891
Calabritto	AV	10	2391	25282
Torella dei Lombardi	AV	10	2144	27426
Cassano Irpino	AV	11	982	28408
Rocca San Felice	AV	11	851	29259
Morra De Sanctis	AV	11	1297	30556
Montella	AV	11	7780	38336
Guardia Lombardi	AV	12	1718	40054
Castelfranci	AV	13	2041	42095
Senerchia	AV	13	842	42937
Villamaina	AV	14	995	43932
Montemarano	AV	15	2851	46783
Castelnuovo di Conza	SA	15	619	47402
Acerno	SA	15	2783	50185
Laviano	SA	15	1438	51623
Santomenna	SA	15	443	52066
Conza della Campania	AV	16	1373	53439
Valva	SA	16	1643	55082
Castelvetere sul Calore	AV	16	1615	56697
Paternopoli	AV	17	2384	59081
Andretta	AV	17	1927	61008
Frigento	AV	18	3780	64788
Gesualdo	AV	18	3516	68304
Colliano	SA	19	3638	71942
Sant'Andrea di Conza	AV	19	1539	73481
Sturno	AV	19	3080	76561
San Mango sul Calore	AV	19	1185	77746
Cairano	AV	19	326	78072
Oliveto Citra	SA	20	3802	81874
Volturara Irpina	AV	20	3289	85163
Carife	AV	20	1408	86571

Municipalities with at least 50000 inhabitants

An earthquake occurred to

31 Km E of Avellino (54857 inhabitants)

31 Km NE of Battipaglia (50786 inhabitants)

38 Km NE of Salerno (135261 inhabitants)

41 Km E of Cava de' Tirreni (53659 inhabitants)

44 Km SE of Benevento (60091 inhabitants)

54 Km E of Scafati (50787 inhabitants)

59 Km E of Castellammare di Stabia (66466 inhabitants)

60 Km W of Potenza (67122 inhabitants)

66 Km E of Acerra (59573 inhabitants)

67 Km E of Torre del Greco (86275 inhabitants)

67 Km E of Portici (55274 inhabitants)

68 Km E of Ercolano (53709 inhabitants)

71 Km E of Afragola (65057 inhabitants)

73 Km E of Casoria (77642 inhabitants)

73 Km E of Caserta (76326 inhabitants)

75 Km SW of Foggia (151991 inhabitants)

76 Km E of Napoli (974074 inhabitants)

78 Km SW of Cerignola (58396 inhabitants)

80 Km E of Giugliano in Campania (122974 inhabitants)

80 Km E of Aversa (53047 inhabitants)

81 Km E of Marano di Napoli (59874 inhabitants)

89 Km E of Pozzuoli (81661 inhabitants)

94 Km S of San Severo (53905 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 1.3	2023-01-27 16:01:15	40.8553	15.1512	12	2024-03-01 17:18:04	Bollettino Sismico Italiano INGV	116541551
Reviewed Rev100	ML 1.4	2023-01-27 16:01:16	40.8608	15.1542	11	2023-01-27 16:34:56	Sala Sismica INGV-Roma	113834271

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-01-27 16:01:15 ± 0.1
Latitude	40.8553 ± 0.0036
Longitude	15.1512 ± 0.0083
Depth (km)	12 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	116541551

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	623
Semi-minor axis of confidence ellipse (meter)	359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	268
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)	154
Number of associated phases, regardless of their use for origin computation	14
Number of defining phases	14
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.17
Epicentral distance of station closest to the epicenter (degree)	0.04676
Epicentral distance of station farthest from the epicenter (degree)	0.21584
Number of stations at which the event was observed	8
Number of stations from which data was used for origin computation	8

Magnitudes information

ML:1.3

Field	Value
Value	1.3
Uncertainty	0.1
Num. used stations	6
Type of magnitude	ML
Reference to an origin	116541551
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2023-04-20 08:01:30

ML:1.4

Field	Value
Value	1.4
Uncertainty	0.1
Num. used stations	2
Type of magnitude	ML
Reference to an origin	113834271
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2023-01-27 16:34:56

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.CAFE.HHZ.	2023-01-27T16:01:24.03	0.3	undecidable	manual	S	20	20.4684	100	0.14	73
5H.FR02.EHZ.	2023-01-27T16:01:22.11	0.3	undecidable	manual	S	324	12.2766	120	0.28	71
IX.COL3.HHZ.02	2023-01-27T16:01:21.19	0.3	undecidable	manual	P	141	23.9538	97	0.12	72
IX.SALI.HNZ.01	2023-01-27T16:01:21.13	0.3	undecidable	manual	S	16	8.5803	135	0.08	74
IX.CLT3.HNZ.02	2023-01-27T16:01:21.08	0.6	undecidable	manual	P	76	21.867	99	0.33	46
IV.SNAL.HHZ.	2023-01-27T16:01:21.27	0.3	undecidable	manual	S	32	9.1797	132	0.11	74
IV.CAFE.HHZ.	2023-01-27T16:01:20.35	0.3	undecidable	manual	P	20	20.4684	100	-0.18	71
IV.MCRV.HHZ.	2023-01-27T16:01:20.97	0.3	undecidable	manual	S	170	8.1807	136	0	75
IX.LIO3.HHZ.02	2023-01-27T16:01:20.48	0.6	undecidable	manual	S	28	5.1948	151	-0.02	51
5H.FR02.EHZ.	2023-01-27T16:01:19.30	0.3	undecidable	manual	P	324	12.2766	120	-0.04	74
IV.MCRV.HHZ.	2023-01-27T16:01:18.89	0.1	undecidable	manual	P	170	8.1807	136	0.04	100
IX.SALI.HNZ.01	2023-01-27T16:01:18.69	0.3	undecidable	manual	P	16	8.5803	135	-0.2	72
IV.SNAL.HHZ.	2023-01-27T16:01:18.75	0.3	undecidable	manual	P	32	9.1797	132	-0.2	72
IX.LIO3.HHZ.02	2023-01-27T16:01:18.28	0.3	undecidable	manual	P	28	5.1948	151	-0.29	72

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.MCRV.HHE.	ML:1.3	0.0002595	0.32	AML	other	m	2023-01-27T16:01:21.24
IV.MCRV.HHN.	ML:1.5	0.00036750000000000004	1.18	AML	other	m	2023-01-27T16:01:21.17
IV.SNAL.HHN.	ML:1.1	0.00014703125	2.5344	AML	other	m	2023-01-27T16:01:22.89
IV.SNAL.HHE.	ML:1.2	0.00016706585	2.7136	AML	other	m	2023-01-27T16:01:21.93
IV.CAFE.HHN.	ML:1.3	0.000142103895	0.3712	AML	other	m	2023-01-27T16:01:24.18
IV.CAFE.HHE.	ML:1.4	0.00016619235	0.2304	AML	other	m	2023-01-27T16:01:24.29

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 1.3 on date 27-01-2023 and time 16:01:15 (UTC) in region 4 km SW Lioni (AV)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.3

ML:1.4