Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 05-04-2023 and time 08:07:09 (Italy) in region 5 km E Casaletto Spartano (SA)

A magnitude ML 1.2 earthquake occured in region: 5 km E Casaletto Spartano (SA), on

  • 05-04-2023 06:07:09 (UTC)
  • 05-04-2023 08:07:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1460, 15.6800 at 10 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
Casaletto Spartano SA 5 1420 1420
Torraca SA 5 1263 2683
Tortorella SA 6 523 3206
Lagonegro PZ 8 5584 8790
Casalbuono SA 8 1194 9984
Sapri SA 9 6770 16754
Vibonati SA 10 3293 20047
Rivello PZ 10 2767 22814
Morigerati SA 11 665 23479
Caselle in Pittari SA 12 1956 25435
Ispani SA 12 1026 26461
Santa Marina SA 13 3243 29704
Nemoli PZ 14 1495 31199
Montesano sulla Marcellana SA 15 6704 37903
Buonabitacolo SA 15 2549 40452
Sanza SA 15 2608 43060
Trecchina PZ 16 2316 45376
Maratea PZ 17 5139 50515
Lauria PZ 17 12919 63434
Torre Orsaia SA 18 2118 65552
Moliterno PZ 19 4062 69614

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km S of Potenza (67122 inhabitants)
78 Km SE of Battipaglia (50786 inhabitants)
97 Km SW of Matera (60436 inhabitants)
98 Km SE of Salerno (135261 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 1.2 2023-04-05
06:07:09		 40.1465 15.6797 10 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 117022591
Reviewed
Rev100 		ML 1.3 2023-04-05
06:07:09		 40.144 15.675 11 2023-04-05
06:17:41		 Sala Sismica INGV-Roma 116080611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-05 06:07:09 ± 0.07
Latitude 40.1465 ± 0.0054
Longitude 15.6797 ± 0.0035
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117022591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.33455
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 117022591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-04 15:56:36

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 116080611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-05 06:17:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HNE. 2023-04-05T06:07:22.40 0.3 undecidable manual S 301 37.1295 50 0.05 72
IV.SCHR.EHZ. 2023-04-05T06:07:21.30 0.3 undecidable manual S 80 34.0437 50 -0.23 70
IV.BULG.HHZ. 2023-04-05T06:07:19.60 0.3 undecidable manual S 254 26.751 50 0.03 74
IV.MCEL.HHZ. 2023-04-05T06:07:18.40 0.3 undecidable manual S 28 22.3554 114 0.12 73
IV.CMPR.HNE. 2023-04-05T06:07:17.26 0.6 undecidable manual P 301 37.1295 50 0.23 46
IV.SIRI.HHZ. 2023-04-05T06:07:16.70 0.3 undecidable manual S 76 16.3725 122 0.24 72
IV.SCHR.EHZ. 2023-04-05T06:07:16.34 0.3 undecidable manual P 80 34.0437 50 -0.22 70
IV.BULG.HHZ. 2023-04-05T06:07:15.52 0.3 undecidable manual P 254 26.751 50 0.09 73
IV.MTSN.HHZ. 2023-04-05T06:07:15.70 0.3 undecidable manual S 25 14.5743 125 -0.24 72
IV.MGR.HHZ. 2023-04-05T06:07:14.60 0.3 undecidable manual S 265 10.7781 133 -0.3 72
IV.MCEL.HHZ. 2023-04-05T06:07:14.78 0.3 undecidable manual P 28 22.3554 114 0.1 73
IV.MTSN.HHZ. 2023-04-05T06:07:13.25 0.3 undecidable manual P 25 14.5743 125 -0.08 75
IV.SIRI.HHZ. 2023-04-05T06:07:13.79 0.3 undecidable manual P 76 16.3725 122 0.16 73
IV.MGR.HHZ. 2023-04-05T06:07:12.81 0.1 undecidable manual P 265 10.7781 133 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGR.HHN. ML:0.0 0.000275 0.14 AML other m 2023-04-05T06:07:15.23
IV.MGR.HHE. ML:0.0 0.0003115 1.38 AML other m 2023-04-05T06:07:15.97
IV.MTSN.HHE. ML:0.0 0.00011205000000000001 0.68 AML other m 2023-04-05T06:07:17.56
IV.MTSN.HHN. ML:0.0 0.000158 0.56 AML other m 2023-04-05T06:07:17.90
IV.MCEL.HHE. ML:0.0 0.0001385 0.2 AML other m 2023-04-05T06:07:18.77
IV.MCEL.HHN. ML:0.0 0.00008340000000000001 0.42 AML other m 2023-04-05T06:07:18.66
IV.MCEL.HNE. ML:0.0 0.00047650000000000004 0.38 AML other m 2023-04-05T06:07:19.36
IV.SIRI.HHN. ML:0.0 0.000116 0.16 AML other m 2023-04-05T06:07:19.50
IV.SIRI.HNN. ML:0.0 0.0001095 0.18 AML other m 2023-04-05T06:07:19.50
IV.SIRI.HHE. ML:0.0 0.00016599999999999997 0.16 AML other m 2023-04-05T06:07:19.61
IV.SIRI.HNE. ML:0.0 0.00016549999999999998 0.18 AML other m 2023-04-05T06:07:19.61
IV.MCEL.HNN. ML:0.0 0.000179 0.54 AML other m 2023-04-05T06:07:20.25
IV.BULG.HHE. ML:1.4 0.00013656769999999998 0.1984 AML other m 2023-04-05T06:07:20.35
IV.BULG.HHN. ML:1.2 0.00008296899499999999 0.2208 AML other m 2023-04-05T06:07:20.93
IV.SCHR.EHE. ML:1.0 0.000047339140000000005 0.1792 AML other m 2023-04-05T06:07:22.39
IV.SCHR.EHN. ML:0.9 0.000029051645 0.32 AML other m 2023-04-05T06:07:22.68
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