Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 21-10-2022 and time 00:37:07 (UTC) in region 2 km S San Rufo (SA)

A magnitude ML 1.4 earthquake occured in region: 2 km S San Rufo (SA), on

  • 21-10-2022 00:37:07 (UTC)
  • 21-10-2022 02:37:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.4140, 15.4600 at 11 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
San Rufo SA 2 1754 1754
San Pietro al Tanagro SA 5 1695 3449
Sant'Arsenio SA 7 2815 6264
Corleto Monforte SA 7 592 6856
Teggiano SA 8 7976 14832
Sacco SA 8 492 15324
Atena Lucana SA 10 2336 17660
Roscigno SA 10 817 18477
Piaggine SA 10 1311 19788
Monte San Giacomo SA 11 1572 21360
Valle dell'Angelo SA 11 248 21608
Sant'Angelo a Fasanella SA 11 635 22243
Sala Consilina SA 11 12664 34907
Polla SA 12 5279 40186
Sassano SA 12 5013 45199
Bellosguardo SA 13 794 45993
Ottati SA 13 618 46611
Laurino SA 13 1548 48159
Pertosa SA 15 690 48849
Petina SA 15 1159 50008
Brienza PZ 16 4078 54086
Auletta SA 16 2336 56422
Sant'Angelo Le Fratte PZ 17 1429 57851
Caggiano SA 17 2765 60616
Aquara SA 18 1545 62161
Campora SA 19 439 62600
Felitto SA 19 1283 63883
Padula SA 19 5368 69251
Savoia di Lucania PZ 19 1127 70378
Castel San Lorenzo SA 20 2471 72849
Salvitelle SA 20 560 73409

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Potenza (67122 inhabitants)
46 Km E of Battipaglia (50786 inhabitants)
66 Km E of Salerno (135261 inhabitants)
71 Km E of Cava de' Tirreni (53659 inhabitants)
79 Km SE of Avellino (54857 inhabitants)
87 Km E of Scafati (50787 inhabitants)
88 Km E of Castellammare di Stabia (66466 inhabitants)
98 Km SE of Benevento (60091 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 1.4 2022-10-21
00:37:07		 40.4143 15.4597 11 2024-03-01
15:28:03		 Bollettino Sismico Italiano INGV 111925651
Reviewed
Rev100 		ML 1.6 2022-10-21
00:37:06		 40.4273 15.4682 14 2022-10-21
00:44:35		 Sala Sismica INGV-Roma 111016631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-21 00:37:07 ± 0.06
Latitude 40.4143 ± 0.0036
Longitude 15.4597 ± 0.0059
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111925651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 462
Semi-minor axis of confidence ellipse (meter) 383
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 30
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52251
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 111925651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-17 15:45:29

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 111016631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-21 00:44:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHZ. 2022-10-21T00:37:32.97 3.0 undecidable manual Sn -0.19 0
IV.BULG.HHZ. 2022-10-21T00:37:20.12 0.3 undecidable manual S 191 37.9287 90 0.48 65
IV.SIRI.HHZ. 2022-10-21T00:37:20.62 0.3 undecidable manual S 127 43.0236 90 -0.39 65
IV.MRLC.HNZ. 2022-10-21T00:37:19.87 0.6 undecidable manual S 4 38.0286 90 0.21 47
IV.MTSN.HHZ. 2022-10-21T00:37:17.90 0.3 undecidable manual S 124 29.6481 90 0.47 66
IX.SCL3.EHE.02 2022-10-21T00:37:17.76 0.3 undecidable manual S 8 31.4463 90 -0.15 69
IV.ACER.HHZ. 2022-10-21T00:37:17.06 0.6 undecidable manual P 44 57.9975 90 -0.35 42
IV.MCEL.HHN. 2022-10-21T00:37:17.96 0.6 undecidable manual S 109 30.5472 90 0.28 46
MN.CUC.HHZ. 2022-10-21T00:37:17.00 0.3 undecidable manual P 147 55.5 90 -0.04 69
IX.RDM3.HHZ.02 2022-10-21T00:37:15.75 1.0 undecidable manual P 7 51.5151 90 -0.67 19
IX.SNR3.EHN.02 2022-10-21T00:37:15.02 0.6 undecidable manual P 328 42.1245 90 0.05 47
IX.CMP3.HNE.02 2022-10-21T00:37:15.27 0.3 undecidable manual P 310 41.4252 90 0.41 66
IV.MRLC.HNZ. 2022-10-21T00:37:14.73 0.3 undecidable manual P 4 38.0286 90 0.4 67
IV.CMPR.HNE. 2022-10-21T00:37:14.02 0.3 undecidable manual S 231 16.9719 90 -0.04 74
IV.BULG.HHZ. 2022-10-21T00:37:14.26 0.1 undecidable manual P 191 37.9287 90 -0.06 94
IX.STN3.HNZ.02 2022-10-21T00:37:14.21 3.0 undecidable manual S 20.6682 -0.81 0
IV.SIRI.HHZ. 2022-10-21T00:37:14.59 0.1 undecidable manual P 127 43.0236 90 -0.52 84
IV.CAGG.EHN. 2022-10-21T00:37:14.29 0.3 undecidable manual S 15 16.4724 90 0.39 69
IX.PGN3.HHN.02 2022-10-21T00:37:13.51 0.3 undecidable manual P 58 33.3444 90 -0.11 70
IT.SLC1.HGE. 2022-10-21T00:37:13.21 0.3 undecidable manual S 100 11.6772 109 0.56 65
IV.CDRU.HNE. 2022-10-21T00:37:13.41 0.3 undecidable manual S 303 15.5733 90 -0.25 70
IX.COL3.HHE.02 2022-10-21T00:37:13.89 0.3 undecidable manual P 340 32.1456 90 0.46 66
IV.MCEL.HHN. 2022-10-21T00:37:12.90 0.1 undecidable manual P 109 30.5472 90 -0.29 91
IV.MTSN.HHZ. 2022-10-21T00:37:12.92 0.6 undecidable manual P 124 29.6481 90 -0.12 47
IX.SCL3.EHE.02 2022-10-21T00:37:12.98 0.3 undecidable manual P 8 31.4463 90 -0.34 67
IV.CAGG.EHN. 2022-10-21T00:37:11.00 0.1 undecidable manual P 15 16.4724 90 -0.01 98
IV.CMPR.HNE. 2022-10-21T00:37:11.20 0.3 undecidable manual P 231 16.9719 90 0.1 73
IX.MRN3.HNN.01 2022-10-21T00:37:11.84 0.6 undecidable manual P 87 22.8549 90 -0.15 47
IX.SRN3.HHZ.02 2022-10-21T00:37:11.59 0.3 undecidable manual S 359 7.9809 131 -0.2 72
IX.STN3.HNZ.02 2022-10-21T00:37:10.55 3.0 undecidable manual P 20.6682 -1.11 0
IT.SLC1.HGE. 2022-10-21T00:37:10.22 0.1 undecidable manual P 100 11.6772 109 -0.07 99
IV.CDRU.HNE. 2022-10-21T00:37:10.81 0.1 negative manual P 303 15.5733 90 -0.06 98
IX.SRN3.HHZ.02 2022-10-21T00:37:09.82 0.1 positive manual P 359 7.9809 131 0.03 100
IV.MCRV.HHZ. 2022-10-21T00:37:09.79 3.0 negative manual P 0.48 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHE.02 ML:1.8 0.0007584334999999999 0.16 AML other m 2022-10-21T00:37:11.85
IX.SRN3.HHN.02 ML:1.9 0.000968 0.12 AML other m 2022-10-21T00:37:11.94
IX.SRN3.HNE.01 ML:1.8 0.000847 0.18 AML other m 2022-10-21T00:37:11.95
IX.SRN3.HNN.01 ML:1.8 0.0009365 0.14 AML other m 2022-10-21T00:37:11.88
IV.MTSN.HHE. ML:1.4 0.000125498245 0.24 AML other m 2022-10-21T00:37:19.76
IV.MTSN.HHN. ML:1.4 0.00013142385 0.34 AML other m 2022-10-21T00:37:19.24
IV.BULG.HHN. ML:1.2 0.00006143621500000001 0.18 AML other m 2022-10-21T00:37:23.46
IV.SIRI.HHN. ML:1.4 0.00006934999999999999 1.66 AML other m 2022-10-21T00:37:22.03
IV.BULG.HHE. ML:1.0 0.00003614497 0.14 AML other m 2022-10-21T00:37:21.73
IV.SIRI.HHE. ML:1.2 0.0000524 1.02 AML other m 2022-10-21T00:37:22.86
IV.MTSN.HNN. ML:1.6 0.00016801915000000002 0.34 AML other m 2022-10-21T00:37:20.60
IV.MTSN.HNE. ML:1.4 0.00013160911 0.24 AML other m 2022-10-21T00:37:19.77
IV.BULG.HNN. ML:1.2 0.000058096265 0.18 AML other m 2022-10-21T00:37:23.46
IV.BULG.HNE. ML:1.1 0.000042649945 0.2 AML other m 2022-10-21T00:37:22.17
IV.SIRI.HNE. ML:1.2 0.000054522386999999996 0.19 AML other m 2022-10-21T00:37:22.86
IV.SIRI.HNN. ML:1.4 0.000072385385 0.19 AML other m 2022-10-21T00:37:23.97
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