Earthquake with magnitude of ML 1.2 on date 02-05-2023 and time 01:37:22 (Italy) in region 3 km SE Balvano (PZ)

A magnitude ML 1.2 earthquake occured in region: 3 km SE Balvano (PZ), on

  • 01-05-2023 23:37:22 (UTC)
  • 02-05-2023 01:37:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6310, 15.5360 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Balvano PZ 3 1830 1830
Vietri di Potenza PZ 4 2832 4662
Ricigliano SA 6 1144 5806
Savoia di Lucania PZ 7 1127 6933
Baragiano PZ 8 2671 9604
Caggiano SA 8 2765 12369
Salvitelle SA 8 560 12929
Romagnano al Monte SA 9 368 13297
Picerno PZ 9 5985 19282
Sant'Angelo Le Fratte PZ 10 1429 20711
San Gregorio Magno SA 12 4286 24997
Pertosa SA 12 690 25687
Auletta SA 12 2336 28023
Satriano di Lucania PZ 13 2374 30397
Tito PZ 13 7332 37729
Polla SA 13 5279 43008
Buccino SA 14 5047 48055
Bella PZ 14 5171 53226
Muro Lucano PZ 14 5497 58723
Ruoti PZ 15 3579 62302
Petina SA 18 1159 63461
Sant'Arsenio SA 18 2815 66276
Brienza PZ 19 4078 70354
Avigliano PZ 19 11577 81931
Castelgrande PZ 19 943 82874
Atena Lucana SA 20 2336 85210
San Pietro al Tanagro SA 20 1695 86905
Sasso di Castalda PZ 20 835 87740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Potenza (67122 inhabitants)
47 Km E of Battipaglia (50786 inhabitants)
66 Km E of Salerno (135261 inhabitants)
70 Km E of Avellino (54857 inhabitants)
70 Km E of Cava de' Tirreni (53659 inhabitants)
77 Km SW of Cerignola (58396 inhabitants)
84 Km SE of Benevento (60091 inhabitants)
86 Km E of Scafati (50787 inhabitants)
89 Km W of Altamura (70396 inhabitants)
89 Km E of Castellammare di Stabia (66466 inhabitants)
90 Km W of Matera (60436 inhabitants)
92 Km SW of Andria (100440 inhabitants)
93 Km S of Foggia (151991 inhabitants)
99 Km SW of Barletta (94814 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
Reviewed
Rev100
ML 1.2 2023-05-01
23:37:22
40.6307 15.5357 9 2023-05-01
23:44:29
Sala Sismica INGV-Roma 116946661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-01 23:37:22 ± 0.15
Latitude 40.6307 ± 0.0045
Longitude 15.5357 ± 0.0166
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116946661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1385
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 116946661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-01 23:44:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2023-05-01T23:37:35.98 0.6 undecidable manual S 210 39.8268 50 0.15 46
IV.CDRU.HHZ. 2023-05-01T23:37:31.55 0.6 undecidable manual S 231 24.9528 110 -0.04 49
IV.CMPR.HHZ. 2023-05-01T23:37:29.83 1.0 undecidable manual P 210 39.8268 50 -0.3 23
IX.SRN3.HHZ. 2023-05-01T23:37:29.38 0.6 undecidable manual S 202 17.2716 118 0.23 48
IV.MRLC.HHZ. 2023-05-01T23:37:28.62 0.6 undecidable manual S 344 14.4744 123 0.31 47
IV.CDRU.HHZ. 2023-05-01T23:37:27.40 0.6 undecidable manual P 231 24.9528 110 -0.28 47
IX.SRN3.HHZ. 2023-05-01T23:37:26.28 0.1 undecidable manual P 202 17.2716 118 0.01 100
IX.SCL3.EHZ.02 2023-05-01T23:37:26.33 0.6 undecidable manual S 344 7.4814 141 -0.14 49
IV.MRLC.HHZ. 2023-05-01T23:37:25.81 0.3 undecidable manual P 344 14.4744 123 0.03 75
IX.SCL3.EHZ.02 2023-05-01T23:37:24.65 0.1 positive manual P 344 7.4814 141 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHN.02 ML:1.7 0.0004125 0.4 AML other m 2023-05-01T23:37:30.49
IX.SRN3.HHE.02 ML:1.5 0.000252 0.24 AML other m 2023-05-01T23:37:30.79
IV.CDRU.HHN. ML:0.7 0.000032149999999999995 0.24 AML other m 2023-05-01T23:37:34.19
IV.CDRU.HHE. ML:1.0 0.00006205 0.94 AML other m 2023-05-01T23:37:34.19
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