Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 19-02-2023 and time 18:44:07 (UTC) in region 3 km N Sanza (SA)

A magnitude ML 0.8 earthquake occured in region: 3 km N Sanza (SA), on

  • 19-02-2023 18:44:07 (UTC)
  • 19-02-2023 19:44:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.2700, 15.5600 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sanza SA 3 2608 2608
Buonabitacolo SA 5 2549 5157
Monte San Giacomo SA 8 1572 6729
Sassano SA 8 5013 11742
Caselle in Pittari SA 11 1956 13698
Padula SA 12 5368 19066
Montesano sulla Marcellana SA 12 6704 25770
Casalbuono SA 12 1194 26964
Teggiano SA 12 7976 34940
Rofrano SA 13 1576 36516
Casaletto Spartano SA 14 1420 37936
Morigerati SA 14 665 38601
Tortorella SA 15 523 39124
Sala Consilina SA 15 12664 51788
Alfano SA 15 1023 52811
Laurito SA 17 788 53599
Torre Orsaia SA 17 2118 55717
Piaggine SA 17 1311 57028
Valle dell'Angelo SA 18 248 57276
Santa Marina SA 18 3243 60519
Vibonati SA 19 3293 63812
Torraca SA 19 1263 65075
Paterno PZ 19 3368 68443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Potenza (67122 inhabitants)
62 Km SE of Battipaglia (50786 inhabitants)
82 Km SE of Salerno (135261 inhabitants)
87 Km SE of Cava de' Tirreni (53659 inhabitants)
96 Km SE of Avellino (54857 inhabitants)
98 Km W of Matera (60436 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 0.8 2023-02-19
18:44:07		 40.2705 15.5595 9 2023-02-19
18:48:41		 Sala Sismica INGV-Roma 114597351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-19 18:44:07 ± 0.08
Latitude 40.2705 ± 0.0054
Longitude 15.5595 ± 0.0047
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 114597351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 514
Semi-minor axis of confidence ellipse (meter) 367
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 166
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.13310
Epicentral distance of station farthest from the epicenter (degree) 0.29228
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 114597351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-19 18:48:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHE. 2023-02-19T18:44:19.16 0.6 undecidable manual S 319 32.4453 50 0.36 47
IV.BULG.HHZ. 2023-02-19T18:44:17.36 0.6 undecidable manual S 216 26.3514 110 0.36 48
IV.MCEL.HHZ. 2023-02-19T18:44:15.38 0.6 undecidable manual S 74 21.3675 114 -0.03 51
IV.CMPR.HHZ. 2023-02-19T18:44:15.83 0.6 undecidable manual S 284 22.3554 113 0.11 51
IV.MTSN.HHZ. 2023-02-19T18:44:14.13 0.6 undecidable manual S 92 16.2726 120 0.31 49
IV.MGR.HHZ. 2023-02-19T18:44:13.42 0.6 undecidable manual S 182 14.7741 123 0.04 52
IV.CDRU.HHE. 2023-02-19T18:44:13.69 0.1 undecidable manual P 319 32.4453 50 -0.25 97
IV.SIRI.HHZ. 2023-02-19T18:44:13.37 0.1 undecidable manual P 111 27.8499 109 0.17 98
IV.CMPR.HHZ. 2023-02-19T18:44:12.27 0.6 negative manual P 284 22.3554 113 0.11 51
IV.BULG.HHZ. 2023-02-19T18:44:12.61 0.3 undecidable manual P 216 26.3514 110 -0.29 73
IV.MCEL.HHZ. 2023-02-19T18:44:11.83 0.1 negative manual P 74 21.3675 114 -0.16 100
IV.MTSN.HHZ. 2023-02-19T18:44:11.16 0.6 undecidable manual P 92 16.2726 120 0.09 52
IV.MGR.HHZ. 2023-02-19T18:44:10.62 0.3 undecidable manual P 182 14.7741 123 -0.19 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGR.HHE. ML:0.7 0.00004955 0.22 AML other m 2023-02-19T18:44:13.85
IV.MGR.HHN. ML:0.9 0.00008345 0.16 AML other m 2023-02-19T18:44:14.06
IV.MTSN.HHN. ML:0.7 0.00004765 1.04 AML other m 2023-02-19T18:44:16.52
IV.MTSN.HHE. ML:0.7 0.00004415 0.62 AML other m 2023-02-19T18:44:17.63
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