Earthquake with magnitude of ML 1.2 on date 28-05-2023 and time 07:34:55 (Italy) in region 6 km W Castelluccio Inferiore (PZ)

A magnitude ML 1.2 earthquake occured in region: 6 km W Castelluccio Inferiore (PZ), on

  • 28-05-2023 05:34:55 (UTC)
  • 28-05-2023 07:34:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9830, 15.9140 at 8 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
Castelluccio Inferiore PZ 6 2131 2131
Laino Borgo CS 6 1921 4052
Castelluccio Superiore PZ 6 824 4876
Laino Castello CS 8 848 5724
Aieta CS 10 823 6547
Lauria PZ 10 12919 19466
Rotonda PZ 11 3494 22960
Mormanno CS 12 3027 25987
Papasidero CS 12 734 26721
Trecchina PZ 12 2316 29037
Nemoli PZ 13 1495 30532
Tortora CS 14 6187 36719
Latronico PZ 14 4556 41275
Praia a Mare CS 15 6725 48000
Viggianello PZ 15 3025 51025
Maratea PZ 16 5139 56164
Rivello PZ 17 2767 58931
San Nicola Arcella CS 18 1957 60888
Santa Domenica Talao CS 19 1263 62151
Episcopia PZ 19 1434 63585
San Severino Lucano PZ 20 1563 65148

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km S of Potenza (67122 inhabitants)
82 Km NW of Cosenza (67546 inhabitants)
96 Km SW 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 1.2 2023-05-28
05:34:55
39.9832 15.9137 8 2023-05-28
05:40:21
Sala Sismica INGV-Roma 117803491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 05:34:55 ± 0.13
Latitude 39.9832 ± 0.0036
Longitude 15.9137 ± 0.0059
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117803491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42088
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 117803491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 05:40:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-05-28T05:35:12.53 3.0 positive manual P 0.43 0
IV.MGR.HHZ. 2023-05-28T05:35:08.12 0.6 undecidable manual S 299 35.0427 103 0.36 45
IV.SCHR.EHZ. 2023-05-28T05:35:05.22 0.6 undecidable manual S 30 27.6501 106 -0.04 49
IV.GRIS.EHZ. 2023-05-28T05:35:05.23 0.6 undecidable manual S 191 27.4503 106 0.04 49
IV.BULG.HHZ. 2023-05-28T05:35:04.15 0.6 undecidable manual P 283 46.7199 50 -0.17 46
IV.SIRI.HHZ. 2023-05-28T05:35:03.99 0.3 undecidable manual S 350 22.3554 109 0.45 68
IV.MGR.HHZ. 2023-05-28T05:35:02.20 0.6 undecidable manual P 299 35.0427 103 -0.29 46
IV.GRIS.EHZ. 2023-05-28T05:35:01.00 0.3 undecidable manual P 191 27.4503 106 -0.01 74
XE.MORMA.HHZ. 2023-05-28T05:35:01.34 0.3 undecidable manual S 158 13.4754 120 0.62 65
IV.SIRI.HHZ. 2023-05-28T05:35:00.16 0.1 negative manual P 350 22.3554 109 0.11 97
IV.SCHR.EHZ. 2023-05-28T05:35:00.77 0.3 undecidable manual P 30 27.6501 106 -0.28 70
XE.T0701.HHN. 2023-05-28T05:34:59.10 0.3 undecidable manual P 89 17.1717 115 0.02 75
MN.CUC.HHZ. 2023-05-28T05:34:59.06 0.3 undecidable manual S 278 8.3805 133 -0.24 72
XE.MORMA.HHZ. 2023-05-28T05:34:58.42 0.3 undecidable manual P 158 13.4754 120 -0.01 75
XE.LAICA.HNN. 2023-05-28T05:34:58.64 0.3 undecidable manual S 126 6.4935 141 -0.2 73
MN.CUC.HHZ. 2023-05-28T05:34:57.53 0.1 positive manual P 278 8.3805 133 -0.08 100
XE.LAICA.HNN. 2023-05-28T05:34:57.17 0.1 undecidable manual P 126 6.4935 141 -0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHE. ML:1.2 0.00011760000000000001 0.28 AML other m 2023-05-28T05:35:07.15
IV.SIRI.HNE. ML:1.3 0.0001265 0.28 AML other m 2023-05-28T05:35:07.16
IV.SIRI.HHN. ML:1.2 0.00010905 0.98 AML other m 2023-05-28T05:35:07.94
IV.SIRI.HNN. ML:1.2 0.00011575 0.98 AML other m 2023-05-28T05:35:07.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download