Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 01-11-2021 and time 14:38:03 (Italy) in region 2 km W Salvitelle (SA)

A magnitude ML 0.9 earthquake occured in region: 2 km W Salvitelle (SA), on

  • 01-11-2021 13:38:03 (UTC)
  • 01-11-2021 14:38:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5890, 15.4410 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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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Salvitelle SA 2 560 560
Auletta SA 4 2336 2896
Romagnano al Monte SA 5 368 3264
Pertosa SA 5 690 3954
Caggiano SA 5 2765 6719
Vietri di Potenza PZ 6 2832 9551
Buccino SA 8 5047 14598
San Gregorio Magno SA 8 4286 18884
Petina SA 9 1159 20043
Balvano PZ 9 1830 21873
Polla SA 9 5279 27152
Ricigliano SA 10 1144 28296
Savoia di Lucania PZ 10 1127 29423
Sant'Angelo Le Fratte PZ 11 1429 30852
Sicignano degli Alburni SA 12 3519 34371
Sant'Arsenio SA 14 2815 37186
Palomonte SA 15 3985 41171
San Pietro al Tanagro SA 15 1695 42866
Baragiano PZ 17 2671 45537
Sant'Angelo a Fasanella SA 17 635 46172
San Rufo SA 17 1754 47926
Satriano di Lucania PZ 17 2374 50300
Ottati SA 17 618 50918
Corleto Monforte SA 17 592 51510
Picerno PZ 17 5985 57495
Atena Lucana SA 18 2336 59831
Postiglione SA 18 2151 61982
Contursi Terme SA 18 3394 65376
Muro Lucano PZ 19 5497 70873
Colliano SA 20 3638 74511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Potenza (67122 inhabitants)
39 Km E of Battipaglia (50786 inhabitants)
58 Km E of Salerno (135261 inhabitants)
63 Km E of Cava de' Tirreni (53659 inhabitants)
65 Km SE of Avellino (54857 inhabitants)
79 Km E of Scafati (50787 inhabitants)
82 Km SE of Benevento (60091 inhabitants)
82 Km E of Castellammare di Stabia (66466 inhabitants)
85 Km SW of Cerignola (58396 inhabitants)
93 Km E of Torre del Greco (86275 inhabitants)
95 Km E of Portici (55274 inhabitants)
96 Km E of Ercolano (53709 inhabitants)
98 Km W of Altamura (70396 inhabitants)
98 Km S of Foggia (151991 inhabitants)
98 Km W of Matera (60436 inhabitants)
99 Km E of Acerra (59573 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 0.9 2021-11-01
13:38:03		 40.5887 15.4412 12 2022-03-30
13:04:26		 Bollettino Sismico Italiano INGV 99328121
Reviewed
Rev100 		ML 1.3 2021-11-01
13:38:03		 40.5887 15.4412 12 2021-11-01
13:50:53		 Sala Sismica INGV-Roma 97143231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-01 13:38:03 ± 0.11
Latitude 40.5887 ± 0.0036
Longitude 15.4412 ± 0.0059
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 99328121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 405
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.29048
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 97143231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-01 13:50:53

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 99328121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-04 16:58:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2021-11-01T13:38:14.66 0.6 undecidable manual S 201 32.2455 93 0.3 45
IV.MRLC.HHZ. 2021-11-01T13:38:11.36 0.6 undecidable manual S 12 19.0698 100 0.49 44
IV.CDRU.HHZ. 2021-11-01T13:38:10.61 0.6 undecidable manual S 226 15.873 106 0.56 44
IV.CMPR.HHZ. 2021-11-01T13:38:09.33 0.3 undecidable manual P 201 32.2455 93 -0.36 67
IX.SCL3.HNZ.02 2021-11-01T13:38:09.30 0.6 undecidable manual S 27 13.1757 115 -0.08 49
IX.COL3.HHZ.02 2021-11-01T13:38:09.49 0.6 undecidable manual S 320 14.3745 111 -0.17 47
IX.SNR3.EHZ.02 2021-11-01T13:38:08.87 0.3 undecidable manual P 308 26.5512 95 0.05 72
IV.SGO.HNZ. 2021-11-01T13:38:08.95 0.6 undecidable manual S 255 11.6772 120 -0.07 49
IX.CGG3.HNZ.01 2021-11-01T13:38:08.42 0.6 undecidable manual S 127 8.5803 133 0.06 49
IX.SRN3.HHZ.02 2021-11-01T13:38:08.92 0.6 undecidable manual S 173 11.4774 121 -0.05 50
IV.MRLC.HHZ. 2021-11-01T13:38:07.79 0.3 undecidable manual P 12 19.0698 100 0.12 72
IV.CAGG.EHZ. 2021-11-01T13:38:07.97 0.6 undecidable manual S 120 6.8931 142 -0.08 50
IV.CDRU.HHZ. 2021-11-01T13:38:07.07 0.1 undecidable manual P 226 15.873 106 -0.13 96
IX.CGG3.HNZ.01 2021-11-01T13:38:06.27 0.3 undecidable manual P 127 8.5803 133 0.05 74
IX.SRN3.HHZ.02 2021-11-01T13:38:06.59 0.1 positive manual P 173 11.4774 121 0.02 99
IX.VDP3.HNZ. 2021-11-01T13:38:06.52 0.1 undecidable manual P 80 11.1777 122 -0.02 100
IX.SCL3.HNZ.02 2021-11-01T13:38:06.65 0.3 undecidable manual P 27 13.1757 115 -0.16 72
IX.COL3.HHZ.02 2021-11-01T13:38:06.86 0.3 undecidable manual P 320 14.3745 111 -0.12 72
IV.CAGG.EHZ. 2021-11-01T13:38:06.00 0.1 undecidable manual P 120 6.8931 142 -0.04 100
IV.SGO.HNZ. 2021-11-01T13:38:06.57 0.3 undecidable manual P 255 11.6772 120 -0.03 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHN.02 ML:1.4 0.00029248505 0.1472 AML other m 2021-11-01T13:38:09.58
IX.SRN3.HHE.02 ML:1.3 0.00020243665 0.128 AML other m 2021-11-01T13:38:10.00
IX.COL3.HHE.02 ML:1.1 0.00012092473 0.1728 AML other m 2021-11-01T13:38:11.31
IX.COL3.HHN.02 ML:0.9 0.00006251696499999999 0.1408 AML other m 2021-11-01T13:38:11.46
IV.CDRU.HHE. ML:0.9 0.00006933999000000001 0.096 AML other m 2021-11-01T13:38:10.76
IV.CDRU.HHN. ML:0.6 0.000035436055 0.1408 AML other m 2021-11-01T13:38:11.44
IV.CDRU.HNN. ML:0.6 0.00003537271225 0.16 AML other m 2021-11-01T13:38:11.55
IV.CDRU.HNE. ML:0.9 0.00006482409 0.1152 AML other m 2021-11-01T13:38:10.81
IV.MRLC.HHE. ML:0.7 0.00003314914500000001 0.384 AML other m 2021-11-01T13:38:13.47
IV.MRLC.HNE. ML:0.3 0.000016929095000000003 0.64 AML other m 2021-11-01T13:38:16.59
IV.MRLC.HHN. ML:0.8 0.000043358314999999996 0.32 AML other m 2021-11-01T13:38:12.59
IV.MRLC.HNN. ML:0.4 0.000021993539999999998 0.32 AML other m 2021-11-01T13:38:12.59
IX.SNR3.EHE.02 ML:0.7 0.000026762011 43.3152 AML other m 2021-11-01T13:38:08.42
IX.SNR3.HNE.01 ML:1.5 0.00016877454 0.672 AML other m 2021-11-01T13:38:22.04
IX.SNR3.HNN.01 ML:1.2 0.000093467805 0.5312 AML other m 2021-11-01T13:38:23.38
IX.SNR3.EHN.02 ML:0.9 0.0000379272335 0.2432 AML other m 2021-11-01T13:38:19.76
IV.CMPR.HHN. ML:0.8 0.000027709455 0.8768 AML other m 2021-11-01T13:38:21.86
IV.CMPR.HNN. ML:1.1 0.000059893885 0.8384 AML other m 2021-11-01T13:38:21.97
IV.CMPR.HHE. ML:0.5 0.0000160997105 0.1984 AML other m 2021-11-01T13:38:15.47
IV.CMPR.HNE. ML:1.0 0.00004136172 0.8 AML other m 2021-11-01T13:38:19.93
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