Earthquake with magnitude of ML 0.7 on date 03-08-2023 and time 15:55:22 (Italy) in region 2 km E Montesano sulla Marcellana (SA)

A magnitude ML 0.7 earthquake occured in region: 2 km E Montesano sulla Marcellana (SA), on

  • 03-08-2023 13:55:22 (UTC)
  • 03-08-2023 15:55:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2780, 15.7250 at 6 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
Montesano sulla Marcellana SA 2 6704 6704
Tramutola PZ 7 3089 9793
Casalbuono SA 8 1194 10987
Buonabitacolo SA 9 2549 13536
Padula SA 9 5368 18904
Paterno PZ 11 3368 22272
Moliterno PZ 13 4062 26334
Grumento Nova PZ 14 1700 28034
Marsicovetere PZ 14 5546 33580
Sarconi PZ 14 1404 34984
Sanza SA 15 2608 37592
Sassano SA 15 5013 42605
Marsico Nuovo PZ 16 4098 46703
Casaletto Spartano SA 17 1420 48123
Viggiano PZ 17 3329 51452
Monte San Giacomo SA 17 1572 53024
Lagonegro PZ 18 5584 58608
Tortorella SA 18 523 59131
Sala Consilina SA 18 12664 71795
Caselle in Pittari SA 19 1956 73751
Teggiano SA 19 7976 81727
Torraca SA 20 1263 82990

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Potenza (67122 inhabitants)
73 Km SE of Battipaglia (50786 inhabitants)
86 Km SW of Matera (60436 inhabitants)
93 Km SW of Altamura (70396 inhabitants)
93 Km SE of Salerno (135261 inhabitants)
98 Km SE of Cava de' Tirreni (53659 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 0.7 2023-08-03
13:55:22
40.2778 15.725 6 2023-08-03
14:04:09
Sala Sismica INGV-Roma 119826771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-03 13:55:22 ± 0.24
Latitude 40.2778 ± 0.0063
Longitude 15.7250 ± 0.0083
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119826771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 638
Semi-minor axis of confidence ellipse (meter) 419
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
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) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.19156
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:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 119826771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-03 14:04:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2023-08-03T13:55:30.80 0.3 undecidable manual S 223 21.2676 106 0.24 74
IV.SIRI.HHZ. 2023-08-03T13:55:29.22 0.3 undecidable manual S 131 16.0728 111 0.38 73
IV.SLCN.HHZ. 2023-08-03T13:55:28.54 0.3 undecidable manual S 328 14.6742 112 0.14 76
IV.MGR.HHZ. 2023-08-03T13:55:27.26 0.3 undecidable manual P 223 21.2676 106 -0.05 77
IV.SIRI.HHZ. 2023-08-03T13:55:26.10 0.1 undecidable manual P 131 16.0728 111 -0.22 100
IV.MCEL.HHZ. 2023-08-03T13:55:26.87 0.6 undecidable manual S 51 8.3805 126 0.41 49
IV.SLCN.HHZ. 2023-08-03T13:55:25.78 1.0 positive manual P 328 14.6742 112 -0.28 25
IV.MTSN.HHZ. 2023-08-03T13:55:25.12 0.3 undecidable manual S 120 2.5974 157 -0.05 79
IV.MCEL.HHZ. 2023-08-03T13:55:24.86 1.0 undecidable manual P 51 8.3805 126 -0.09 26
IV.MTSN.HHZ. 2023-08-03T13:55:23.84 0.1 negative manual P 120 2.5974 157 -0.36 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHE. ML:0.7 0.00005225 0.16 AML other m 2023-08-03T13:55:29.60
IV.SIRI.HHN. ML:0.7 0.00005665000000000001 1.12 AML other m 2023-08-03T13:55:30.20
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