Earthquake with magnitude of ML 0.7 on date 26-05-2023 and time 18:12:39 (UTC) in region 5 km NW Sanza (SA)

A magnitude ML 0.7 earthquake occured in region: 5 km NW Sanza (SA), on

  • 26-05-2023 18:12:39 (UTC)
  • 26-05-2023 20:12:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2830, 15.5140 at 21 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
Sanza SA 5 2608 2608
Monte San Giacomo SA 7 1572 4180
Sassano SA 8 5013 9193
Buonabitacolo SA 9 2549 11742
Rofrano SA 11 1576 13318
Teggiano SA 11 7976 21294
Caselle in Pittari SA 12 1956 23250
Piaggine SA 13 1311 24561
Alfano SA 14 1023 25584
Valle dell'Angelo SA 14 248 25832
Padula SA 14 5368 31200
Sala Consilina SA 15 12664 43864
Laurito SA 15 788 44652
Montesano sulla Marcellana SA 16 6704 51356
Laurino SA 16 1548 52904
Morigerati SA 16 665 53569
Casalbuono SA 16 1194 54763
Sacco SA 16 492 55255
Casaletto Spartano SA 17 1420 56675
Torre Orsaia SA 17 2118 58793
Tortorella SA 17 523 59316
San Rufo SA 18 1754 61070
Montano Antilia SA 19 2077 63147
Campora SA 19 439 63586
Cannalonga SA 19 1063 64649
San Pietro al Tanagro SA 19 1695 66344
Roscigno SA 19 817 67161
Atena Lucana SA 20 2336 69497
Santa Marina SA 20 3243 72740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Potenza (67122 inhabitants)
58 Km SE of Battipaglia (50786 inhabitants)
78 Km SE of Salerno (135261 inhabitants)
83 Km SE of Cava de' Tirreni (53659 inhabitants)
93 Km SE of Avellino (54857 inhabitants)
98 Km SE of Scafati (50787 inhabitants)
99 Km E of Castellammare di Stabia (66466 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 2023-05-26
18:12:39
40.2828 15.5137 21 2023-05-26
18:30:03
Sala Sismica INGV-Roma 117754291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-26 18:12:39 ± 0.27
Latitude 40.2828 ± 0.0090
Longitude 15.5137 ± 0.0106
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117754291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1009
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.14029
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 117754291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-26 18:30:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HNE. 2023-05-26T18:12:51.87 0.6 undecidable manual S 110 31.9458 114 0.79 39
IV.CDRU.HHZ. 2023-05-26T18:12:50.46 0.6 undecidable manual S 322 28.9488 117 0.12 48
IV.MTSN.HHN. 2023-05-26T18:12:48.80 0.6 undecidable manual S 95 20.2686 129 0.42 46
IV.MGR.HHZ. 2023-05-26T18:12:47.11 0.6 undecidable manual S 168 16.4724 135 -0.53 44
IV.SLCN.HHZ. 2023-05-26T18:12:47.76 0.6 undecidable manual S 40 15.5733 137 0.28 47
IV.CMPR.HNE. 2023-05-26T18:12:47.54 0.6 undecidable manual S 282 18.2706 132 -0.44 46
IX.SRN3.HNE.02 2023-05-26T18:12:45.01 0.1 undecidable manual P 348 23.0547 124 0.03 98
IV.SIRI.HNE. 2023-05-26T18:12:45.82 0.1 undecidable manual P 110 31.9458 114 -0.37 91
IV.CDRU.HHZ. 2023-05-26T18:12:45.70 0.1 undecidable manual P 322 28.9488 117 -0.06 98
IV.BULG.HNE. 2023-05-26T18:12:45.81 0.1 undecidable manual P 207 25.4523 121 0.52 89
IV.MCEL.HHZ. 2023-05-26T18:12:44.81 0.6 undecidable manual P 79 24.8529 122 -0.4 46
IV.MGR.HHZ. 2023-05-26T18:12:44.25 0.1 undecidable manual P 168 16.4724 135 0.05 100
IV.MTSN.HHN. 2023-05-26T18:12:44.33 0.1 undecidable manual P 95 20.2686 129 -0.3 94
IV.SLCN.HHZ. 2023-05-26T18:12:44.09 1.0 negative manual P 40 15.5733 137 -0.01 25
IV.CMPR.HNE. 2023-05-26T18:12:44.48 0.1 undecidable manual P 282 18.2706 132 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SLCN.HHE. ML:1.0 0.0000623 0.6 AML other m 2023-05-26T18:12:49.25
IV.SLCN.HHN. ML:0.9 0.00004775 1.16 AML other m 2023-05-26T18:12:51.99
IV.MGR.HHE. ML:0.5 0.000017886585 0.2816 AML other m 2023-05-26T18:12:48.52
IV.MGR.HHN. ML:0.6 0.000026494080000000003 0.192 AML other m 2023-05-26T18:12:47.78
IV.CDRU.HHE. ML:0.7 0.00001761585 0.2048 AML other m 2023-05-26T18:12:51.34
IV.CDRU.HHN. ML:0.4 0.0000086806265 0.6016 AML other m 2023-05-26T18:12:51.25
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