Earthquake with magnitude of ML 1.5 on date 28-04-2023 and time 23:52:24 (Italy) in region Golfo di Policastro (Salerno, Potenza)

A magnitude ML 1.5 earthquake occured in region: Golfo di Policastro (Salerno, Potenza), on

  • 28-04-2023 21:52:24 (UTC)
  • 28-04-2023 23:52:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9070, 15.5910 at 8 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
Maratea PZ 15 5139 5139
Tortora CS 15 6187 11326
Praia a Mare CS 16 6725 18051
San Nicola Arcella CS 19 1957 20008
Sapri SA 19 6770 26778

Municipalities with at least 50000 inhabitants

An earthquake occurred to
84 Km S of Potenza (67122 inhabitants)
89 Km NW of Cosenza (67546 inhabitants)
94 Km SE of Battipaglia (50786 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 1.5 2023-04-28
21:52:24
39.9067 15.5912 8 2024-03-01
17:18:11
Bollettino Sismico Italiano INGV 118416641
Reviewed
Rev100
ML 1.4 2023-04-28
21:52:24
39.9083 15.5962 9 2023-04-28
22:02:31
Sala Sismica INGV-Roma 116854921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 21:52:24 ± 0.11
Latitude 39.9067 ± 0.0045
Longitude 15.5912 ± 0.0070
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118416641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 625
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 0.95238
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 116854921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 22:02:31

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 118416641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-15 08:29:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHN. 2023-04-28T21:52:51.92 0.3 undecidable manual S 144 89.8434 50 0.23 64
IV.MIGL.HHZ. 2023-04-28T21:52:43.04 0.3 undecidable manual P 43 105.7164 50 0.39 60
IV.CELI.HHZ. 2023-04-28T21:52:41.23 0.6 undecidable manual P 125 96.2259 50 0.03 44
IV.CET2.HHZ. 2023-04-28T21:52:41.52 0.3 undecidable manual S 143 52.1034 50 -0.12 70
IV.SPS2.HHZ. 2023-04-28T21:52:41.16 1.0 positive manual P 137 93.5397 50 0.38 20
IV.MCEL.HHZ. 2023-04-28T21:52:41.44 0.6 undecidable manual S 21 49.7169 50 0.44 44
IV.CMPR.HHZ. 2023-04-28T21:52:41.18 0.3 undecidable manual S 332 51.8037 50 -0.36 67
IV.CAR1.HHN. 2023-04-28T21:52:40.56 0.1 undecidable manual P 144 89.8434 50 0.36 83
XE.T0701.HNN. 2023-04-28T21:52:40.35 0.3 undecidable manual S 79 45.5211 50 0.48 66
XE.T0702.HHN. 2023-04-28T21:52:39.60 0.3 undecidable manual S 116 46.7199 50 -0.59 63
XE.MORMA.HHE. 2023-04-28T21:52:36.21 0.6 undecidable manual S 97 32.6451 103 0.05 49
IV.MMN.HHZ. 2023-04-28T21:52:36.67 0.3 undecidable manual S 93 34.0437 103 0.05 74
XE.LAICA.HNN. 2023-04-28T21:52:35.85 0.6 undecidable manual S 82 32.9448 103 -0.42 45
IV.GRIS.HNE. 2023-04-28T21:52:35.34 0.6 undecidable manual S 129 28.9488 105 0.44 46
IV.CET2.HHZ. 2023-04-28T21:52:34.29 0.3 undecidable manual P 143 52.1034 50 -0.11 70
IV.SCHR.EHZ. 2023-04-28T21:52:34.25 0.3 undecidable manual P 52 52.4031 50 -0.19 69
IV.MCEL.HHZ. 2023-04-28T21:52:33.99 0.3 undecidable manual P 21 49.7169 50 -0.04 72
IV.CMPR.HHZ. 2023-04-28T21:52:33.94 0.3 undecidable manual P 332 51.8037 50 -0.41 66
XE.T0702.HHN. 2023-04-28T21:52:33.08 0.1 undecidable manual P 116 46.7199 50 -0.49 87
XE.T0701.HNN. 2023-04-28T21:52:33.59 0.1 undecidable manual P 79 45.5211 50 0.21 93
IV.MGR.HHZ. 2023-04-28T21:52:33.60 0.3 undecidable manual S 353 25.8519 107 -0.26 71
IV.SIRI.HHZ. 2023-04-28T21:52:32.45 0.1 undecidable manual P 37 38.5281 50 0.15 95
IV.MTSN.HNN. 2023-04-28T21:52:32.93 0.1 undecidable manual P 19 42.1245 50 0.07 96
MN.CUC.HHZ. 2023-04-28T21:52:32.33 0.6 undecidable manual S 63 21.3675 110 -0.08 50
XE.MORMA.HHE. 2023-04-28T21:52:31.16 0.1 undecidable manual P 97 32.6451 103 -0.09 98
IV.MMN.HHZ. 2023-04-28T21:52:31.49 0.3 positive manual P 93 34.0437 103 -0.01 74
XE.LAICA.HNN. 2023-04-28T21:52:31.21 0.1 undecidable manual P 82 32.9448 103 -0.09 97
IV.GRIS.HNE. 2023-04-28T21:52:30.35 0.1 undecidable manual P 129 28.9488 105 -0.17 97
IV.BULG.HHZ. 2023-04-28T21:52:30.43 0.1 undecidable manual P 316 26.3514 106 0.42 92
MN.CUC.HHZ. 2023-04-28T21:52:29.23 0.3 negative manual P 63 21.3675 110 0.16 74
IV.MGR.HHZ. 2023-04-28T21:52:29.94 0.1 undecidable manual P 353 25.8519 107 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CUC.HHE. ML:1.6 0.000321 0.08 AML other m 2023-04-28T21:52:33.24
MN.CUC.HHN. ML:1.5 0.00023899999999999998 1.6 AML other m 2023-04-28T21:52:34.09
IV.MGR.HHN. ML:1.5 0.00016949999999999997 0.6 AML other m 2023-04-28T21:52:35.01
IV.MGR.HHE. ML:1.4 0.000152 0.6 AML other m 2023-04-28T21:52:35.26
IV.MMN.HHE. ML:2.2 0.0006185 1.58 AML other m 2023-04-28T21:52:36.03
IV.BULG.HHN. ML:1.5 0.00019350000000000001 1.24 AML other m 2023-04-28T21:52:37.67
IV.MMN.HHN. ML:2.1 0.0005355 0.66 AML other m 2023-04-28T21:52:37.54
IV.BULG.HHE. ML:1.2 0.00009279999999999999 0.74 AML other m 2023-04-28T21:52:38.99
IV.SIRI.HHN. ML:1.6 0.000158 0.2 AML other m 2023-04-28T21:52:40.43
IV.SIRI.HHE. ML:1.6 0.00014000000000000001 0.82 AML other m 2023-04-28T21:52:40.43
IV.SIRI.HNE. ML:1.6 0.00014600000000000003 0.82 AML other m 2023-04-28T21:52:40.44
IV.SIRI.HNN. ML:1.6 0.0001525 0.22 AML other m 2023-04-28T21:52:40.44
IV.CMPR.HHN. ML:1.1 0.000033299999999999996 0.3 AML other m 2023-04-28T21:52:41.57
IV.CMPR.HHE. ML:1.2 0.0000388 0.4 AML other m 2023-04-28T21:52:41.72
IV.SCHR.EHN. ML:1.3 0.000046450000000000004 0.16 AML other m 2023-04-28T21:52:43.25
IV.SCHR.EHE. ML:1.5 0.0000738 0.32 AML other m 2023-04-28T21:52:43.60
IV.MCEL.HHN. ML:1.3 0.0000532 1.28 AML other m 2023-04-28T21:52:44.71
IV.CET2.HHN. ML:1.9 0.00018449999999999999 1.36 AML other m 2023-04-28T21:52:44.79
IV.CET2.HHE. ML:1.5 0.00008265 0.3 AML other m 2023-04-28T21:52:45.43
IV.MCEL.HNN. ML:1.7 0.000126 0.46 AML other m 2023-04-28T21:52:45.42
IV.MCEL.HNE. ML:1.8 0.0001825 1.12 AML other m 2023-04-28T21:52:46.60
IV.MCEL.HHE. ML:1.4 0.0000608 0.32 AML other m 2023-04-28T21:52:48.51
IV.SPS2.HHN. ML:1.5 0.000035000000000000004 0.28 AML other m 2023-04-28T21:52:55.75
IV.CELI.HHE. ML:1.3 0.0000223 0.98 AML other m 2023-04-28T21:52:56.50
IV.CELI.HHN. ML:1.4 0.00002615 0.44 AML other m 2023-04-28T21:52:56.46
IV.SPS2.HHE. ML:1.3 0.0000213 0.32 AML other m 2023-04-28T21:52:56.47
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