Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-03-2022 and time 05:30:02 (Italy) in region 2 km E Romagnano al Monte (SA)

A magnitude ML 1.5 earthquake occured in region: 2 km E Romagnano al Monte (SA), on

  • 20-03-2022 04:30:02 (UTC)
  • 20-03-2022 05:30:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.6330, 15.4530 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
Romagnano al Monte SA 2 368 368
Salvitelle SA 5 560 928
Ricigliano SA 5 1144 2072
San Gregorio Magno SA 5 4286 6358
Balvano PZ 6 1830 8188
Vietri di Potenza PZ 6 2832 11020
Buccino SA 7 5047 16067
Caggiano SA 8 2765 18832
Auletta SA 9 2336 21168
Pertosa SA 10 690 21858
Savoia di Lucania PZ 11 1127 22985
Baragiano PZ 13 2671 25656
Petina SA 13 1159 26815
Sant'Angelo Le Fratte PZ 13 1429 28244
Polla SA 14 5279 33523
Muro Lucano PZ 14 5497 39020
Palomonte SA 14 3985 43005
Sicignano degli Alburni SA 15 3519 46524
Picerno PZ 16 5985 52509
Bella PZ 16 5171 57680
Colliano SA 17 3638 61318
Castelgrande PZ 17 943 62261
Contursi Terme SA 18 3394 65655
Sant'Arsenio SA 18 2815 68470
Satriano di Lucania PZ 18 2374 70844
Oliveto Citra SA 19 3802 74646
Valva SA 19 1643 76289
Tito PZ 20 7332 83621
San Pietro al Tanagro SA 20 1695 85316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Potenza (67122 inhabitants)
40 Km E of Battipaglia (50786 inhabitants)
59 Km E of Salerno (135261 inhabitants)
63 Km E of Cava de' Tirreni (53659 inhabitants)
64 Km SE of Avellino (54857 inhabitants)
79 Km SE of Benevento (60091 inhabitants)
79 Km E of Scafati (50787 inhabitants)
80 Km SW of Cerignola (58396 inhabitants)
82 Km E of Castellammare di Stabia (66466 inhabitants)
93 Km S of Foggia (151991 inhabitants)
93 Km E of Torre del Greco (86275 inhabitants)
95 Km E of Portici (55274 inhabitants)
95 Km W of Altamura (70396 inhabitants)
95 Km E of Ercolano (53709 inhabitants)
97 Km W of Matera (60436 inhabitants)
97 Km SW of Andria (100440 inhabitants)
97 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 1.5 2022-03-20
04:30:02		 40.6333 15.4528 11 2022-07-08
12:33:54		 Bollettino Sismico Italiano INGV 104340781
Reviewed
Rev100 		ML 1.4 2022-03-20
04:30:02		 40.6347 15.4597 11 2022-03-20
04:42:16		 Sala Sismica INGV-Roma 102171291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-20 04:30:02 ± 0.07
Latitude 40.6333 ± 0.0036
Longitude 15.4528 ± 0.0071
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 104340781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 571
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
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) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.40649
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 104340781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-08 10:09:14

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 102171291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-20 04:42:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHN. 2022-03-20T04:30:16.71 1.0 undecidable manual S 139 45.1215 50 0.09 23
IV.CMPR.HHZ. 2022-03-20T04:30:14.87 0.3 undecidable manual S 200 37.2294 50 0.38 67
IV.SNAL.HNE. 2022-03-20T04:30:14.68 0.6 undecidable manual S 328 38.3283 50 -0.11 47
IV.SLCN.HHZ. 2022-03-20T04:30:13.18 0.3 undecidable manual S 151 30.9468 50 0.35 68
IV.MCRV.HHZ. 2022-03-20T04:30:12.19 1.0 undecidable manual S 305 29.0487 50 -0.14 24
IV.CDRU.HHZ. 2022-03-20T04:30:10.32 0.3 undecidable manual S 218 20.2686 50 0.35 69
IX.BEL3.HNE. 2022-03-20T04:30:10.08 0.6 undecidable manual S 60 17.9709 50 0.72 41
IV.MCEL.HHN. 2022-03-20T04:30:10.12 0.6 undecidable manual P 139 45.1215 50 -0.36 44
IX.SRN3.HHZ.02 2022-03-20T04:30:09.29 0.3 undecidable manual S 178 16.3725 124 0.37 69
IX.STN3.EHZ.02 2022-03-20T04:30:09.72 0.3 undecidable manual S 124 20.2686 50 -0.26 71
IV.SNAL.HNE. 2022-03-20T04:30:09.28 0.6 undecidable manual P 328 38.3283 50 -0.14 47
IX.VDS3.HNE.01 2022-03-20T04:30:08.26 0.6 undecidable manual S 350 12.0768 132 0.5 45
IV.CMPR.HHZ. 2022-03-20T04:30:08.85 0.1 undecidable manual P 200 37.2294 50 -0.4 89
IX.RDM3.HHZ. 2022-03-20T04:30:08.21 0.3 undecidable manual P 15 27.75 50 0.42 67
IX.PGN3.HHN. 2022-03-20T04:30:08.42 0.6 undecidable manual P 103 29.748 50 0.32 46
IV.SLCN.HHZ. 2022-03-20T04:30:07.96 0.1 undecidable manual P 151 30.9468 50 -0.33 91
IX.SNR3.EHN. 2022-03-20T04:30:07.78 1.0 undecidable manual P 297 24.6531 50 0.46 22
IV.MCRV.HHZ. 2022-03-20T04:30:07.69 0.3 undecidable manual P 305 29.0487 50 -0.31 69
IX.STN3.EHZ.02 2022-03-20T04:30:06.33 0.1 undecidable manual P 124 20.2686 50 -0.31 93
IX.SCL3.EHZ.02 2022-03-20T04:30:06.61 0.6 undecidable manual S 36 8.3805 142 -0.28 48
IV.CDRU.HHZ. 2022-03-20T04:30:06.45 0.1 undecidable manual P 218 20.2686 50 -0.19 96
IX.BEL3.HNE. 2022-03-20T04:30:06.49 1.0 undecidable manual P 60 17.9709 50 0.21 24
IX.SRN3.HHZ.02 2022-03-20T04:30:06.06 0.6 undecidable manual P 178 16.3725 124 0.03 50
IX.VDP3.HNN.01 2022-03-20T04:30:05.10 0.3 undecidable manual P 107 10.4784 136 -0.03 75
IX.VDS3.HNE.01 2022-03-20T04:30:05.29 0.3 undecidable manual P 350 12.0768 132 -0.07 75
IX.SCL3.EHZ.02 2022-03-20T04:30:04.79 0.1 undecidable manual P 36 8.3805 142 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SCL3.EHE.02 ML:1.4 0.000343 0.14 AML other m 2022-03-20T04:30:09.24
IX.SCL3.HNE.01 ML:1.4 0.00031156575 0.128 AML other m 2022-03-20T04:30:09.18
IX.SCL3.HNN.01 ML:1.6 0.0005095629000000001 0.128 AML other m 2022-03-20T04:30:09.30
IX.SCL3.EHN.02 ML:1.6 0.0004965 0.14 AML other m 2022-03-20T04:30:09.30
IX.SRN3.HNN.01 ML:1.7 0.00044602775000000003 0.4 AML other m 2022-03-20T04:30:10.30
IX.SRN3.HHN.02 ML:1.7 0.00038850695 0.4 AML other m 2022-03-20T04:30:10.10
IX.SRN3.HNE.01 ML:1.6 0.000321021285 0.56 AML other m 2022-03-20T04:30:10.33
IX.SRN3.HHE.02 ML:1.4 0.00020212124999999996 0.288 AML other m 2022-03-20T04:30:10.75
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