Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-02-2022 and time 18:40:59 (UTC) in region 5 km SE Santomenna (SA)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Santomenna (SA), on

  • 25-02-2022 18:40:59 (UTC)
  • 25-02-2022 19:40:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7800, 15.3660 at 17 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
Santomenna SA 5 443 443
Laviano SA 5 1438 1881
Castelgrande PZ 6 943 2824
Castelnuovo di Conza SA 6 619 3443
Pescopagano PZ 7 1910 5353
Sant'Andrea di Conza AV 7 1539 6892
Colliano SA 9 3638 10530
Valva SA 9 1643 12173
Conza della Campania AV 9 1373 13546
Muro Lucano PZ 10 5497 19043
Calabritto AV 12 2391 21434
Caposele AV 12 3483 24917
Teora AV 13 1537 26454
Cairano AV 13 326 26780
Rapone PZ 14 990 27770
San Gregorio Magno SA 14 4286 32056
Senerchia AV 14 842 32898
Palomonte SA 15 3985 36883
Oliveto Citra SA 15 3802 40685
Bella PZ 15 5171 45856
Calitri AV 15 4666 50522
San Fele PZ 15 3004 53526
Ricigliano SA 16 1144 54670
Buccino SA 16 5047 59717
Ruvo del Monte PZ 17 1083 60800
Andretta AV 18 1927 62727
Romagnano al Monte SA 18 368 63095
Contursi Terme SA 18 3394 66489
Lioni AV 19 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)
40 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)
71 Km SW of Cerignola (58396 inhabitants)
71 Km E of Scafati (50787 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)
86 Km E of Acerra (59573 inhabitants)
86 Km E of Ercolano (53709 inhabitants)
90 Km E of Afragola (65057 inhabitants)
92 Km E of Casoria (77642 inhabitants)
93 Km SW of Andria (100440 inhabitants)
93 Km E of Caserta (76326 inhabitants)
94 Km E of Napoli (974074 inhabitants)
97 Km SW of Barletta (94814 inhabitants)
99 Km E of Giugliano in Campania (122974 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 1.6 2022-02-25
18:40:59		 40.7795 15.3665 17 2022-07-08
12:33:56		 Bollettino Sismico Italiano INGV 104595581
Reviewed
Rev100 		ML 1.8 2022-02-25
18:40:59		 40.7853 15.3673 16 2022-02-25
18:50:42		 Sala Sismica INGV-Roma 101452991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-25 18:40:59 ± 0.11
Latitude 40.7795 ± 0.0045
Longitude 15.3665 ± 0.0059
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104595581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 597
Semi-minor axis of confidence ellipse (meter) 86
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
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) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 104595581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-24 09:52:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 101452991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-25 18:50:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.RSF3.HNE.02 2022-02-25T18:41:09.09 0.6 undecidable manual S 322 25.9518 113 -0.36 46
IX.SALI.HNE. 2022-02-25T18:41:09.28 0.6 undecidable manual S 317 22.8549 117 0.58 43
IV.SNAL.HHZ. 2022-02-25T18:41:08.52 0.6 undecidable manual S 321 20.868 120 0.29 47
IX.NSC3.EHE.02 2022-02-25T18:41:08.23 0.6 undecidable manual S 290 21.867 118 -0.22 48
IX.SNR3.EHZ.02 2022-02-25T18:41:07.78 0.6 undecidable manual S 252 15.3735 130 0.75 42
IX.CLT3.EHE.02 2022-02-25T18:41:07.37 0.6 undecidable manual S 13 14.0748 134 0.61 43
IV.MCRV.HHZ. 2022-02-25T18:41:07.00 0.6 undecidable manual S 271 16.6722 128 -0.29 47
IX.SCL3.EHZ.02 2022-02-25T18:41:07.20 0.6 undecidable manual S 128 15.3735 130 0.18 49
IX.COL3.HHZ.02 2022-02-25T18:41:06.06 0.6 undecidable manual S 197 10.6782 142 -0.1 49
IX.SRN3.HNE.02 2022-02-25T18:41:06.81 0.3 undecidable manual P 167 33.4443 106 0.4 68
IV.CDRU.HHZ. 2022-02-25T18:41:06.41 0.3 undecidable manual P 189 32.5452 107 0.12 72
IX.RSF3.HNE.02 2022-02-25T18:41:05.13 0.6 undecidable manual P 322 25.9518 113 -0.2 48
IV.CAFE.HHN. 2022-02-25T18:41:05.99 0.3 undecidable manual P 338 29.6481 109 0.14 71
IX.CSG3.HNZ.01 2022-02-25T18:41:05.81 0.6 undecidable manual S 62 9.1797 147 -0.11 50
IX.MNT3.EHN.02 2022-02-25T18:41:05.89 0.3 undecidable manual P 282 30.8469 108 -0.14 71
IX.VDS3.HNE.01 2022-02-25T18:41:05.64 0.3 undecidable manual S 130 6.6933 155 0.04 76
IV.VULT.HHZ. 2022-02-25T18:41:05.29 0.3 undecidable manual P 47 28.5492 110 -0.41 68
IX.SCL3.EHZ.02 2022-02-25T18:41:04.00 0.3 undecidable manual P 128 15.3735 130 0.08 75
IX.SALI.HNE. 2022-02-25T18:41:04.92 0.1 undecidable manual P 317 22.8549 117 0.03 98
IX.SNR3.EHZ.02 2022-02-25T18:41:04.00 0.1 undecidable manual P 252 15.3735 130 0.07 100
IX.LIO3.HHZ.02 2022-02-25T18:41:04.58 0.6 undecidable manual P 310 20.3685 121 0.03 49
IV.SNAL.HHZ. 2022-02-25T18:41:04.56 0.3 undecidable manual P 321 20.868 120 -0.06 74
IX.NSC3.EHE.02 2022-02-25T18:41:04.38 0.3 undecidable manual P 290 21.867 118 -0.37 69
IV.MCRV.HHZ. 2022-02-25T18:41:03.92 0.1 undecidable manual P 271 16.6722 128 -0.16 97
IX.COL3.HHZ.02 2022-02-25T18:41:03.41 0.1 positive manual P 197 10.6782 142 -0.02 100
IX.VDS3.HNE.01 2022-02-25T18:41:03.02 0.1 undecidable manual P 130 6.6933 155 -0.08 100
IX.CLT3.EHE.02 2022-02-25T18:41:03.82 0.1 undecidable manual P 13 14.0748 134 0.05 100
IX.CSG3.HNZ.01 2022-02-25T18:41:03.07 0.1 undecidable manual P 62 9.1797 147 -0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHE.02 ML:2.0 0.0008005 0.26 AML other m 2022-02-25T18:41:06.24
IX.COL3.HNE.01 ML:2.0 0.000936 0.46 AML other m 2022-02-25T18:41:06.39
IX.COL3.HNN.01 ML:1.9 0.0006134913 0.064 AML other m 2022-02-25T18:41:06.70
IX.COL3.HHN.02 ML:2.0 0.000753 0.06 AML other m 2022-02-25T18:41:06.67
IV.MCRV.HHN. ML:1.9 0.0005645 0.18 AML other m 2022-02-25T18:41:07.51
IV.MCRV.HHE. ML:1.6 0.0002575 0.64 AML other m 2022-02-25T18:41:08.31
IX.SNR3.EHE.02 ML:1.6 0.0002735 0.14 AML other m 2022-02-25T18:41:08.40
IX.SNR3.HNE.01 ML:1.6 0.0002829556 0.1408 AML other m 2022-02-25T18:41:08.40
IX.SNR3.HNN.01 ML:1.8 0.0004566468 0.1408 AML other m 2022-02-25T18:41:09.20
IX.SCL3.EHE.02 ML:1.4 0.00018568469999999997 0.128 AML other m 2022-02-25T18:41:09.29
IV.SNAL.HNE. ML:1.0 0.00006707012500000001 0.2304 AML other m 2022-02-25T18:41:09.54
IV.SNAL.HHE. ML:1.1 0.000070944915 0.256 AML other m 2022-02-25T18:41:09.55
IX.SNR3.EHN.02 ML:1.8 0.000474 0.84 AML other m 2022-02-25T18:41:09.69
IV.SNAL.HHN. ML:0.9 0.000047571330000000005 0.32 AML other m 2022-02-25T18:41:10.30
IV.SNAL.HNN. ML:1.0 0.000057027179999999994 0.3968 AML other m 2022-02-25T18:41:10.35
IX.SCL3.EHN.02 ML:1.5 0.0002253621 0.2432 AML other m 2022-02-25T18:41:10.61
IV.CDRU.HHN. ML:1.0 0.000035449999999999994 0.36 AML other m 2022-02-25T18:41:13.71
IV.CDRU.HHE. ML:1.4 0.0000969 0.14 AML other m 2022-02-25T18:41:13.71
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