Earthquake with magnitude of ML 1.1 on date 30-04-2023 and time 10:37:36 (Italy) in region 3 km S Balvano (PZ)

A magnitude ML 1.1 earthquake occured in region: 3 km S Balvano (PZ), on

  • 30-04-2023 08:37:36 (UTC)
  • 30-04-2023 10:37:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6270, 15.5070 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Vietri di Potenza PZ 3 2832 2832
Balvano PZ 3 1830 4662
Ricigliano SA 5 1144 5806
Salvitelle SA 6 560 6366
Romagnano al Monte SA 6 368 6734
Caggiano SA 7 2765 9499
Savoia di Lucania PZ 7 1127 10626
Baragiano PZ 10 2671 13297
San Gregorio Magno SA 10 4286 17583
Sant'Angelo Le Fratte PZ 10 1429 19012
Auletta SA 10 2336 21348
Pertosa SA 10 690 22038
Picerno PZ 11 5985 28023
Buccino SA 12 5047 33070
Polla SA 13 5279 38349
Muro Lucano PZ 14 5497 43846
Satriano di Lucania PZ 14 2374 46220
Bella PZ 15 5171 51391
Tito PZ 15 7332 58723
Petina SA 16 1159 59882
Sant'Arsenio SA 17 2815 62697
Ruoti PZ 18 3579 66276
Sicignano degli Alburni SA 18 3519 69795
Palomonte SA 19 3985 73780
Castelgrande PZ 19 943 74723
San Pietro al Tanagro SA 19 1695 76418
Atena Lucana SA 20 2336 78754
Brienza PZ 20 4078 82832

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Potenza (67122 inhabitants)
44 Km E of Battipaglia (50786 inhabitants)
63 Km E of Salerno (135261 inhabitants)
68 Km E of Avellino (54857 inhabitants)
68 Km E of Cava de' Tirreni (53659 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
83 Km SE of Benevento (60091 inhabitants)
84 Km E of Scafati (50787 inhabitants)
87 Km E of Castellammare di Stabia (66466 inhabitants)
91 Km W of Altamura (70396 inhabitants)
92 Km W of Matera (60436 inhabitants)
93 Km S of Foggia (151991 inhabitants)
94 Km SW of Andria (100440 inhabitants)
98 Km E of Torre del Greco (86275 inhabitants)
100 Km E of Portici (55274 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 1.1 2023-04-30
08:37:36
40.6268 15.507 9 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124851381
Reviewed
Rev100
ML 1.1 2023-04-30
08:37:35
40.6355 15.5608 11 2023-04-30
08:46:23
Sala Sismica INGV-Roma 116897761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-30 08:37:36 ± 0.12
Latitude 40.6268 ± 0.0054
Longitude 15.5070 ± 0.0095
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 124851381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 702
Semi-minor axis of confidence ellipse (meter) 458
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49013
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 124851381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 14:10:01

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 116897761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-30 08:46:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.FIE.HGZ. 2023-04-30T08:39:24.70 3.0 undecidable manual Sn -7.48 0
IV.FRON.EHZ. 2023-04-30T08:39:09.55 3.0 undecidable manual Sn -0.81 0
NI.POLC.HHZ. 2023-04-30T08:38:58.11 3.0 undecidable manual Pn -2.04 0
IV.CESX.HHZ. 2023-04-30T08:38:53.46 3.0 undecidable manual Sn -1.75 0
IV.ASSB.HHZ. 2023-04-30T08:38:51.97 3.0 undecidable manual Sn -9.97 0
IV.SERS.HHZ. 2023-04-30T08:38:35.44 3.0 undecidable manual Sg 1.43 0
IV.SENI.HNZ. 2023-04-30T08:38:35.93 3.0 negative manual Pg 7.75 0
IV.PP3.EHZ. 2023-04-30T08:38:25.62 3.0 negative manual Pg 3.14 0
IV.NRCA.HHZ. 2023-04-30T08:38:25.29 3.0 negative manual Pg 6.54 0
IV.FAVA.HHZ. 2023-04-30T08:38:24.69 3.0 positive manual Pn -5.89 0
CR.STON.BHZ. 2023-04-30T08:38:22.98 3.0 undecidable manual Pg 2.63 0
IV.SPS2.HHZ. 2023-04-30T08:38:02.87 3.0 undecidable manual Pg -0.4 0
IV.LRP.EHZ. 2023-04-30T08:38:00.95 3.0 undecidable manual Pn -2.87 0
IV.MGR.HHZ. 2023-04-30T08:37:45.91 0.6 undecidable manual P 176 54.4011 50 -0.47 43
IV.SNAL.HHZ. 2023-04-30T08:37:44.67 0.3 undecidable manual P 323 41.5251 50 0.27 69
IX.SRN3.HHZ.02 2023-04-30T08:37:43.05 0.6 undecidable manual S 195 16.1727 119 0.36 47
IV.MCRV.HHZ. 2023-04-30T08:37:42.80 0.3 undecidable manual P 301 33.3444 50 -0.33 69
IX.VDS3.HNZ.01 2023-04-30T08:37:42.76 0.3 undecidable manual S 332 14.2746 122 0.61 66
IV.MRLC.HHZ. 2023-04-30T08:37:42.10 0.6 undecidable manual S 354 14.4744 122 -0.09 50
IX.SNR3.EHZ.02 2023-04-30T08:37:42.24 0.6 undecidable manual P 295 29.0487 107 -0.15 48
IX.PGN3.HNE.02 2023-04-30T08:37:42.24 0.3 undecidable manual P 104 25.1526 109 0.6 65
IV.CDRU.HHZ. 2023-04-30T08:37:41.09 0.3 undecidable manual P 228 22.8549 111 -0.12 73
IX.COL3.HHZ.02 2023-04-30T08:37:40.20 0.6 undecidable manual P 294 16.2726 119 0.18 49
IX.SCL3.EHZ.02 2023-04-30T08:37:40.06 0.6 undecidable manual S 3 7.5813 139 -0.29 48
IX.STN3.HNE.02 2023-04-30T08:37:40.42 0.3 undecidable manual P 131 16.2726 119 0.41 70
IV.SGO.HNZ. 2023-04-30T08:37:40.40 0.3 undecidable manual P 246 18.3705 116 0.02 75
IX.VDP3.HNZ.01 2023-04-30T08:37:39.61 0.6 undecidable manual S 114 5.994 146 -0.4 47
IV.MRLC.HHZ. 2023-04-30T08:37:39.60 0.3 undecidable manual P 354 14.4744 122 -0.1 75
IX.SRN3.HHZ.02 2023-04-30T08:37:39.93 0.1 undecidable manual P 195 16.1727 119 -0.06 100
IX.VDS3.HNZ.01 2023-04-30T08:37:39.77 0.3 undecidable manual P 332 14.2746 122 0.09 75
IX.VDP3.HNZ.01 2023-04-30T08:37:38.16 0.3 undecidable manual P 114 5.994 146 -0.28 73
IX.SCL3.EHZ.02 2023-04-30T08:37:38.32 0.1 undecidable manual P 3 7.5813 139 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHE.02 ML:1.3 0.00019250000000000002 1.52 AML other m 2023-04-30T08:37:43.02
IV.MRLC.HHN. ML:1.1 0.0001365 0.6 AML other m 2023-04-30T08:37:43.67
IX.SRN3.HHN.02 ML:1.4 0.000243 0.66 AML other m 2023-04-30T08:37:44.47
IV.MRLC.HHE. ML:0.9 0.00009115 0.58 AML other m 2023-04-30T08:37:44.39
IV.CDRU.HHE. ML:0.9 0.000054199999999999996 0.68 AML other m 2023-04-30T08:37:47.13
IV.CDRU.HHN. ML:0.7 0.00002795 0.3 AML other m 2023-04-30T08:37:47.74
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