Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 26-02-2022 and time 01:33:30 (UTC) in region 5 km E Laviano (SA)

A magnitude ML 1.7 earthquake occured in region: 5 km E Laviano (SA), on

  • 26-02-2022 01:33:30 (UTC)
  • 26-02-2022 02:33:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7770, 15.3610 at 16 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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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Laviano SA 5 1438 1438
Santomenna SA 5 443 1881
Castelnuovo di Conza SA 6 619 2500
Castelgrande PZ 6 943 3443
Pescopagano PZ 7 1910 5353
Sant'Andrea di Conza AV 8 1539 6892
Colliano SA 8 3638 10530
Valva SA 9 1643 12173
Conza della Campania AV 9 1373 13546
Muro Lucano PZ 11 5497 19043
Calabritto AV 12 2391 21434
Caposele AV 12 3483 24917
Teora AV 12 1537 26454
Cairano AV 13 326 26780
Senerchia AV 14 842 27622
San Gregorio Magno SA 14 4286 31908
Rapone PZ 14 990 32898
Oliveto Citra SA 14 3802 36700
Palomonte SA 14 3985 40685
Bella PZ 15 5171 45856
Calitri AV 15 4666 50522
San Fele PZ 16 3004 53526
Ricigliano SA 16 1144 54670
Buccino SA 16 5047 59717
Ruvo del Monte PZ 17 1083 60800
Contursi Terme SA 17 3394 64194
Romagnano al Monte SA 18 368 64562
Andretta AV 18 1927 66489
Lioni AV 18 6201 72690
Balvano PZ 19 1830 74520
Morra De Sanctis AV 19 1297 75817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Battipaglia (50786 inhabitants)
41 Km W of Potenza (67122 inhabitants)
50 Km E of Avellino (54857 inhabitants)
52 Km E of Salerno (135261 inhabitants)
56 Km E of Cava de' Tirreni (53659 inhabitants)
63 Km SE of Benevento (60091 inhabitants)
70 Km E of Scafati (50787 inhabitants)
71 Km SW of Cerignola (58396 inhabitants)
75 Km E of Castellammare di Stabia (66466 inhabitants)
78 Km S of Foggia (151991 inhabitants)
84 Km E of Torre del Greco (86275 inhabitants)
85 Km E of Portici (55274 inhabitants)
85 Km E of Acerra (59573 inhabitants)
86 Km E of Ercolano (53709 inhabitants)
90 Km E of Afragola (65057 inhabitants)
91 Km E of Casoria (77642 inhabitants)
93 Km E of Caserta (76326 inhabitants)
93 Km SW of Andria (100440 inhabitants)
94 Km E of Napoli (974074 inhabitants)
98 Km SW of Barletta (94814 inhabitants)
99 Km E of Giugliano in Campania (122974 inhabitants)
99 Km E of Marano di Napoli (59874 inhabitants)
100 Km E of Aversa (53047 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.7 2022-02-26
01:33:30		 40.7772 15.361 16 2022-07-08
12:33:35		 Bollettino Sismico Italiano INGV 101793891
Reviewed
Rev100 		ML 1.7 2022-02-26
01:33:30		 40.7828 15.3532 11 2022-02-26
01:38:57		 Sala Sismica INGV-Roma 101460441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-26 01:33:30 ± 0.16
Latitude 40.7772 ± 0.0045
Longitude 15.3610 ± 0.0083
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101793891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.43887
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 101460441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-26 01:38:57

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 101793891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-24 11:01:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2022-02-26T01:33:41.87 0.6 undecidable manual S 188 32.2455 104 0.6 42
IV.CAFE.HHN. 2022-02-26T01:33:40.90 0.6 undecidable manual S 339 29.748 105 0.28 47
IV.SLCN.HHZ. 2022-02-26T01:33:39.26 0.3 undecidable manual P 152 48.7179 98 0.24 69
IX.SALI.HNE.01 2022-02-26T01:33:39.47 0.6 undecidable manual S 318 22.755 113 0.61 43
IV.SNAL.HHZ. 2022-02-26T01:33:38.70 0.6 undecidable manual S 322 20.7681 115 0.32 47
IX.CLT3.EHE.02 2022-02-26T01:33:37.37 0.6 undecidable manual S 15 14.3745 128 0.44 47
IX.SNR3.EHZ. 2022-02-26T01:33:37.75 0.6 undecidable manual S 252 14.874 127 0.72 42
IX.LIO3.HHE.02 2022-02-26T01:33:37.84 0.6 undecidable manual S 311 20.1687 117 -0.39 47
IX.SCL3.EHZ.02 2022-02-26T01:33:37.46 0.6 undecidable manual S 126 15.5733 126 0.28 48
IV.CAFE.HHN. 2022-02-26T01:33:36.27 0.3 undecidable manual P 339 29.748 105 0.12 73
IV.MCRV.HHZ. 2022-02-26T01:33:36.99 0.6 undecidable manual S 272 16.1727 124 -0.32 48
IX.COL3.HHZ.02 2022-02-26T01:33:36.05 0.6 undecidable manual S 194 10.2786 140 -0.1 51
IV.CDRU.HHZ. 2022-02-26T01:33:36.45 0.1 undecidable manual P 188 32.2455 104 -0.08 98
IX.VDS3.HNE.01 2022-02-26T01:33:35.84 0.3 undecidable manual S 126 6.8931 152 0.21 74
IX.CSG3.HNZ.01 2022-02-26T01:33:35.73 0.6 undecidable manual S 62 9.6792 142 -0.32 48
IX.SALI.HNE.01 2022-02-26T01:33:35.10 0.3 undecidable manual P 318 22.755 113 -0.04 75
IV.SNAL.HHZ. 2022-02-26T01:33:34.67 0.1 undecidable manual P 322 20.7681 115 -0.19 97
IX.RDM3.HHZ. 2022-02-26T01:33:34.99 0.1 undecidable manual P 53 18.2706 120 0.47 92
IX.SNR3.EHZ. 2022-02-26T01:33:34.02 0.3 undecidable manual P 252 14.874 127 -0.06 76
IX.LIO3.HHE.02 2022-02-26T01:33:34.47 0.3 undecidable manual P 311 20.1687 117 -0.3 71
IX.SCL3.EHZ.02 2022-02-26T01:33:34.05 0.1 negative manual P 126 15.5733 126 -0.12 100
IX.CLT3.EHE.02 2022-02-26T01:33:33.89 0.1 undecidable manual P 15 14.3745 128 -0.14 99
IX.VDS3.HNE.01 2022-02-26T01:33:33.08 0.1 undecidable manual P 126 6.8931 152 -0.19 100
IX.CSG3.HNZ.01 2022-02-26T01:33:33.13 0.3 undecidable manual P 62 9.6792 142 -0.38 71
IV.MCRV.HHZ. 2022-02-26T01:33:33.94 0.1 undecidable manual P 272 16.1727 124 -0.31 96
IX.COL3.HHZ.02 2022-02-26T01:33:33.41 0.1 undecidable manual P 194 10.2786 140 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HNN.01 ML:1.9 0.0006535 0.92 AML other m 2022-02-26T01:33:36.31
IX.COL3.HNE.01 ML:2.1 0.00115 0.26 AML other m 2022-02-26T01:33:36.41
IX.COL3.HHE.02 ML:2.1 0.0010565 0.24 AML other m 2022-02-26T01:33:36.29
IX.COL3.HHN.02 ML:2.0 0.000876 0.86 AML other m 2022-02-26T01:33:37.32
IV.MCRV.HHN. ML:1.9 0.0005835 0.68 AML other m 2022-02-26T01:33:37.55
IX.SCL3.EHE.02 ML:1.5 0.000221 0.26 AML other m 2022-02-26T01:33:38.26
IV.MCRV.HHE. ML:1.6 0.000294 0.56 AML other m 2022-02-26T01:33:38.56
IX.SNR3.EHE.02 ML:1.6 0.0002945 0.5 AML other m 2022-02-26T01:33:38.50
IX.SNR3.EHN.02 ML:1.8 0.0005235000000000001 0.82 AML other m 2022-02-26T01:33:39.72
IX.SCL3.EHN.02 ML:1.5 0.0002615 0.22 AML other m 2022-02-26T01:33:40.78
IV.CDRU.HHE. ML:1.5 0.0001285 0.12 AML other m 2022-02-26T01:33:43.77
IV.CDRU.HHN. ML:1.0 0.00004385 0.2 AML other m 2022-02-26T01:33:43.76
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download