Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 04-04-2022 and time 06:56:32 (UTC) in region 1 km E Colliano (SA)

A magnitude ML 2.1 earthquake occured in region: 1 km E Colliano (SA), on

  • 04-04-2022 06:56:32 (UTC)
  • 04-04-2022 08:56:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7310, 15.3080 at 9 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
Colliano SA 1 3638 3638
Valva SA 3 1643 5281
Laviano SA 6 1438 6719
Oliveto Citra SA 7 3802 10521
Palomonte SA 8 3985 14506
Santomenna SA 9 443 14949
Senerchia AV 9 842 15791
Calabritto AV 10 2391 18182
Castelnuovo di Conza SA 10 619 18801
Contursi Terme SA 11 3394 22195
San Gregorio Magno SA 11 4286 26481
Caposele AV 12 3483 29964
Buccino SA 12 5047 35011
Castelgrande PZ 12 943 35954
Sant'Andrea di Conza AV 14 1539 37493
Pescopagano PZ 14 1910 39403
Teora AV 14 1537 40940
Conza della Campania AV 14 1373 42313
Muro Lucano PZ 15 5497 47810
Romagnano al Monte SA 16 368 48178
Ricigliano SA 16 1144 49322
Campagna SA 18 16703 66025
Sicignano degli Alburni SA 19 3519 69544
Lioni AV 19 6201 75745
Cairano AV 19 326 76071
Serre SA 19 3995 80066
Balvano PZ 19 1830 81896
Bella PZ 20 5171 87067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Battipaglia (50786 inhabitants)
43 Km W of Potenza (67122 inhabitants)
47 Km E of Salerno (135261 inhabitants)
48 Km E of Avellino (54857 inhabitants)
51 Km E of Cava de' Tirreni (53659 inhabitants)
63 Km SE of Benevento (60091 inhabitants)
66 Km E of Scafati (50787 inhabitants)
70 Km E of Castellammare di Stabia (66466 inhabitants)
78 Km SW of Cerignola (58396 inhabitants)
80 Km E of Torre del Greco (86275 inhabitants)
81 Km E of Portici (55274 inhabitants)
82 Km E of Ercolano (53709 inhabitants)
82 Km E of Acerra (59573 inhabitants)
84 Km S of Foggia (151991 inhabitants)
87 Km E of Afragola (65057 inhabitants)
88 Km E of Casoria (77642 inhabitants)
90 Km E of Napoli (974074 inhabitants)
90 Km E of Caserta (76326 inhabitants)
96 Km E of Giugliano in Campania (122974 inhabitants)
96 Km E of Marano di Napoli (59874 inhabitants)
97 Km E of Aversa (53047 inhabitants)
100 Km SW of Andria (100440 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 2.1 2022-04-04
06:56:32		 40.7313 15.3082 9 2022-07-08
12:33:41		 Bollettino Sismico Italiano INGV 102804561
Reviewed
Rev100 		ML 2.1 2022-04-04
06:56:32		 40.7322 15.312 8 2022-04-04
07:05:16		 Sala Sismica INGV-Roma 102760561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-04 06:56:32 ± 0.06
Latitude 40.7313 ± 0.0036
Longitude 15.3082 ± 0.0059
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102804561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 502
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.86785
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 102804561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-05 13:52:24

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 102760561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-04 07:05:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2022-04-04T06:56:56.15 0.3 undecidable manual S 142 77.0673 50 0.17 65
IV.MTSN.HHZ. 2022-04-04T06:56:53.21 0.6 undecidable manual S 144 63.6918 50 0.8 37
IV.MCEL.HHZ. 2022-04-04T06:56:52.15 0.3 undecidable manual S 137 61.3941 50 0.37 65
IV.PALZ.HHZ. 2022-04-04T06:56:51.96 0.3 undecidable manual S 66 59.5959 50 0.65 59
IV.ACER.HHZ. 2022-04-04T06:56:49.81 0.3 undecidable manual S 83 53.7018 50 0.08 70
IV.MIGL.HHZ. 2022-04-04T06:56:49.20 0.3 undecidable manual P 98 96.3258 50 0.18 63
IV.MRVN.HHZ. 2022-04-04T06:56:47.36 0.3 undecidable manual P 64 82.9503 50 0.41 61
IV.CMPR.HHZ. 2022-04-04T06:56:47.79 0.6 undecidable manual S 181 45.8208 50 0.15 46
IV.BULG.HHZ. 2022-04-04T06:56:45.04 0.3 undecidable manual P 175 72.6717 50 -0.33 64
IV.PTRP.HHZ. 2022-04-04T06:56:45.21 0.1 undecidable manual P 110 67.5768 50 0.63 79
IV.SIRI.HHZ. 2022-04-04T06:56:45.48 0.3 undecidable manual P 142 77.0673 50 -0.57 59
IV.CAFE.HHZ. 2022-04-04T06:56:44.66 0.6 undecidable manual S 350 33.4443 50 0.32 46
IX.SRN3.HHZ.02 2022-04-04T06:56:43.94 0.6 undecidable manual S 155 29.9478 107 0.59 43
IV.MCEL.HHZ. 2022-04-04T06:56:43.27 0.3 undecidable manual P 137 61.3941 50 -0.36 65
IV.MTSN.HHZ. 2022-04-04T06:56:43.59 0.3 undecidable manual P 144 63.6918 50 -0.4 64
IV.PALZ.HHZ. 2022-04-04T06:56:43.60 0.3 undecidable manual P 66 59.5959 50 0.24 66
IX.RSF3.HNE.02 2022-04-04T06:56:42.01 0.3 undecidable manual S 337 28.1496 108 -0.72 61
IX.SALI.HNE.01 2022-04-04T06:56:42.24 0.3 undecidable manual S 334 24.5532 110 0.69 62
IV.CAGG.EHE. 2022-04-04T06:56:42.71 0.3 undecidable manual S 138 25.752 109 0.75 61
IV.ACER.HHZ. 2022-04-04T06:56:42.21 0.3 undecidable manual P 83 53.7018 50 -0.23 67
IV.CDRU.HHZ. 2022-04-04T06:56:42.63 0.6 undecidable manual S 181 26.8509 109 0.33 46
IV.SLCN.HHZ. 2022-04-04T06:56:41.09 0.3 undecidable manual P 144 46.7199 50 -0.28 68
IV.SGTA.HHZ. 2022-04-04T06:56:41.16 0.1 undecidable manual P 6 45.0216 50 0.05 95
IX.AND3.HNN.02 2022-04-04T06:56:41.02 0.3 undecidable manual S 5 22.1556 112 0.25 71
IV.CMPR.HHZ. 2022-04-04T06:56:40.87 0.1 negative manual P 181 45.8208 50 -0.37 89
IV.SNAL.HHZ. 2022-04-04T06:56:40.31 0.6 undecidable manual S 339 23.0547 111 -0.77 40
IX.NSC3.EHZ.02 2022-04-04T06:56:40.67 0.3 undecidable manual S 309 20.1687 114 0.51 67
IX.SCL3.EHZ.02 2022-04-04T06:56:39.61 0.3 undecidable manual S 103 17.5713 117 0.28 71
IV.VULT.HHZ. 2022-04-04T06:56:39.81 0.1 undecidable manual P 46 35.8419 50 0.12 95
IV.CAFE.HHZ. 2022-04-04T06:56:39.13 0.1 undecidable manual P 350 33.4443 50 -0.2 94
IX.STN3.EHZ.02 2022-04-04T06:56:39.39 0.1 undecidable manual P 128 36.5412 50 -0.41 89
IX.SSB3.HNE.02 2022-04-04T06:56:39.79 0.6 undecidable manual P 350 39.0276 50 -0.41 44
IX.RDM3.HHZ.02 2022-04-04T06:56:38.13 0.1 undecidable manual P 50 24.9528 110 0.33 93
IV.MCRV.HHZ. 2022-04-04T06:56:38.66 0.6 undecidable manual S 296 13.0758 125 0.67 43
IX.SNR3.EHZ.02 2022-04-04T06:56:38.20 0.3 undecidable manual S 273 9.6792 133 1.12 53
IX.SRN3.HHZ.02 2022-04-04T06:56:38.47 0.1 undecidable manual P 155 29.9478 107 -0.29 93
IX.MNT3.EHN.02 2022-04-04T06:56:38.29 0.1 undecidable manual P 295 27.9498 108 -0.07 97
IV.CDRU.HHZ. 2022-04-04T06:56:37.98 0.1 negative manual P 181 26.8509 109 -0.17 95
IX.VDP3.HNE.01 2022-04-04T06:56:37.94 0.1 undecidable manual P 122 26.2515 109 -0.11 97
IX.CLT3.EHZ.02 2022-04-04T06:56:37.14 0.1 undecidable manual P 23 20.6682 114 0.14 97
IX.RSF3.HNE.02 2022-04-04T06:56:37.82 0.1 undecidable manual P 337 28.1496 108 -0.58 86
IX.SALI.HNE.01 2022-04-04T06:56:37.46 0.3 undecidable manual P 334 24.5532 110 -0.26 71
IX.AND3.HNN.02 2022-04-04T06:56:37.11 0.1 undecidable manual P 5 22.1556 112 -0.16 96
IV.SNAL.HHZ. 2022-04-04T06:56:37.36 0.1 undecidable manual P 339 23.0547 111 -0.09 98
IV.CAGG.EHE. 2022-04-04T06:56:37.70 0.3 undecidable manual P 138 25.752 109 -0.26 70
IX.NSC3.EHZ.02 2022-04-04T06:56:36.86 0.1 undecidable manual P 309 20.1687 114 -0.06 99
IX.CSG3.HNE.01 2022-04-04T06:56:36.00 0.1 undecidable manual P 54 16.1727 119 -0.2 97
IX.SCL3.EHZ.02 2022-04-04T06:56:36.27 0.3 undecidable manual P 103 17.5713 117 -0.17 73
IX.COL3.HHZ.02 2022-04-04T06:56:35.68 0.3 undecidable manual S 159 5.2947 150 -0.42 70
IV.MCRV.HHZ. 2022-04-04T06:56:35.72 0.1 undecidable manual P 296 13.0758 125 0.06 100
IX.SNR3.EHZ.02 2022-04-04T06:56:35.52 0.1 undecidable manual P 273 9.6792 133 0.38 94
IV.MRLC.HHZ. 2022-04-04T06:56:35.50 0.3 undecidable manual P 80 15.4734 120 -0.57 66
IX.COL3.HHZ.02 2022-04-04T06:56:34.29 0.1 positive manual P 159 5.2947 150 -0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HHN. ML:2.4 0.002165 1.44 AML other m 2022-04-04T06:56:41.92
IV.MRLC.HNN. ML:2.0 0.0010329999999999998 1.42 AML other m 2022-04-04T06:56:41.92
IV.MRLC.HHE. ML:2.4 0.0022249999999999995 1.2 AML other m 2022-04-04T06:56:42.18
IV.MRLC.HNE. ML:2.0 0.001095 1.2 AML other m 2022-04-04T06:56:42.19
IX.NSC3.HNN.01 ML:2.2 0.0010500000000000002 0.42 AML other m 2022-04-04T06:56:42.42
IX.NSC3.EHN.02 ML:2.1 0.000988 0.42 AML other m 2022-04-04T06:56:42.21
IV.CDRU.HNN. ML:1.9 0.0004355 0.8 AML other m 2022-04-04T06:56:42.21
IV.CDRU.HHN. ML:1.8 0.00035450000000000005 1.28 AML other m 2022-04-04T06:56:43.30
IX.CLT3.EHN.02 ML:2.4 0.00204 0.22 AML other m 2022-04-04T06:56:43.55
IX.NSC3.HNE.01 ML:2.2 0.0010645 1.6 AML other m 2022-04-04T06:56:43.96
IX.NSC3.EHE.02 ML:2.1 0.0010285 1.6 AML other m 2022-04-04T06:56:43.96
IV.CDRU.HHE. ML:2.1 0.0007605 1.2 AML other m 2022-04-04T06:56:44.91
IV.CDRU.HNE. ML:2.1 0.0006895 1.2 AML other m 2022-04-04T06:56:44.32
IX.SRN3.HHN.02 ML:2.4 0.001155 0.28 AML other m 2022-04-04T06:56:45.31
IX.SRN3.HHE.02 ML:2.3 0.001004 0.26 AML other m 2022-04-04T06:56:45.46
IX.CLT3.HNN.01 ML:2.4 0.00182 0.6 AML other m 2022-04-04T06:56:45.49
IX.SRN3.HNE.01 ML:2.4 0.001193 0.64 AML other m 2022-04-04T06:56:46.46
IX.CLT3.EHE.02 ML:2.4 0.00199 0.2 AML other m 2022-04-04T06:56:46.41
IX.CLT3.HNE.01 ML:2.4 0.00198 0.2 AML other m 2022-04-04T06:56:46.41
IV.CAFE.HNE. ML:1.9 0.0003515 0.84 AML other m 2022-04-04T06:56:48.38
IV.CAFE.HHE. ML:1.9 0.000335 0.84 AML other m 2022-04-04T06:56:48.38
IX.SRN3.HNN.01 ML:2.4 0.00123 0.52 AML other m 2022-04-04T06:56:48.86
IV.SNAL.HHE. ML:2.2 0.000992 1.34 AML other m 2022-04-04T06:56:49.32
IV.CAFE.HHN. ML:2.0 0.00042699999999999997 0.44 AML other m 2022-04-04T06:56:49.34
IV.CAFE.HNN. ML:2.0 0.000393 0.44 AML other m 2022-04-04T06:56:49.34
IV.ACER.HHN. ML:2.0 0.000252 1.42 AML other m 2022-04-04T06:56:50.18
IV.SNAL.HNE. ML:2.2 0.0010245 1.34 AML other m 2022-04-04T06:56:51.98
IV.SNAL.HNN. ML:2.2 0.0011200000000000001 0.7 AML other m 2022-04-04T06:56:51.34
IV.SNAL.HHN. ML:2.2 0.0011600000000000002 0.74 AML other m 2022-04-04T06:56:51.33
IV.VULT.HHN. ML:2.0 0.0004215 0.58 AML other m 2022-04-04T06:56:52.08
IV.SLCN.HNN. ML:2.2 0.00040300000000000004 1 AML other m 2022-04-04T06:56:52.71
IV.SGTA.HNE. ML:2.1 0.000341 0.4 AML other m 2022-04-04T06:56:52.59
IV.SLCN.HNE. ML:2.3 0.0005495 0.34 AML other m 2022-04-04T06:56:52.23
IV.SGTA.HHN. ML:1.9 0.0002255 0.54 AML other m 2022-04-04T06:56:52.23
IV.VULT.HNN. ML:2.1 0.00045650000000000004 0.88 AML other m 2022-04-04T06:56:52.95
IV.ACER.HNN. ML:2.0 0.0002525 1.36 AML other m 2022-04-04T06:56:52.72
IV.SGTA.HHE. ML:2.0 0.000306 0.66 AML other m 2022-04-04T06:56:52.58
IV.VULT.HHE. ML:2.0 0.000366 0.44 AML other m 2022-04-04T06:56:54.36
IV.VULT.HNE. ML:2.0 0.00040649999999999996 0.46 AML other m 2022-04-04T06:56:54.14
IV.MCEL.HNE. ML:2.3 0.000402 0.62 AML other m 2022-04-04T06:56:55.44
IV.SGTA.HNN. ML:1.9 0.000239 0.48 AML other m 2022-04-04T06:56:55.90
IV.ACER.HNE. ML:2.1 0.00031 0.42 AML other m 2022-04-04T06:56:57.23
IV.ACER.HHE. ML:2.1 0.0003185 0.42 AML other m 2022-04-04T06:56:57.02
IV.MCEL.HNN. ML:2.3 0.00041349999999999997 1.1 AML other m 2022-04-04T06:56:57.04
IV.MCEL.HHE. ML:1.9 0.0001725 1.28 AML other m 2022-04-04T06:56:57.84
IV.SLCN.HHN. ML:2.1 0.000388 0.34 AML other m 2022-04-04T06:56:59.26
IV.SLCN.HHE. ML:2.3 0.000597 0.4 AML other m 2022-04-04T06:57:00.44
IV.SIRI.HNN. ML:2.0 0.00013655 0.9 AML other m 2022-04-04T06:57:01.59
IV.MTSN.HHN. ML:2.0 0.000191 0.5 AML other m 2022-04-04T06:57:01.63
IV.MTSN.HHE. ML:2.0 0.000188 0.52 AML other m 2022-04-04T06:57:01.15
IV.SIRI.HHN. ML:2.0 0.000144 0.24 AML other m 2022-04-04T06:57:01.58
IV.SIRI.HHE. ML:2.0 0.00015900000000000002 0.28 AML other m 2022-04-04T06:57:03.34
IV.SIRI.HNE. ML:2.1 0.00017 0.5 AML other m 2022-04-04T06:57:03.34
IV.MCEL.HHN. ML:2.0 0.0002155 1.32 AML other m 2022-04-04T06:57:03.27
IV.BULG.HHN. ML:2.2 0.0002635 1.12 AML other m 2022-04-04T06:57:04.82
IV.BULG.HNN. ML:2.2 0.0002725 1.12 AML other m 2022-04-04T06:57:04.82
IV.BULG.HHE. ML:2.2 0.00023999999999999998 1.22 AML other m 2022-04-04T06:57:04.79
IV.BULG.HNE. ML:2.2 0.000229 1.22 AML other m 2022-04-04T06:57:04.79
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
Waveforms Seismic signals in miniseed + resp format Download