Earthquake with magnitude of ML 1.1 on date 09-10-2023 and time 05:55:50 (Italy) in region 6 km W Castelluccio Inferiore (PZ)

A magnitude ML 1.1 earthquake occured in region: 6 km W Castelluccio Inferiore (PZ), on

  • 09-10-2023 03:55:50 (UTC)
  • 09-10-2023 05:55:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9850, 15.9020 at 7 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 7 2131 2131
Laino Borgo CS 7 1921 4052
Castelluccio Superiore PZ 7 824 4876
Laino Castello CS 8 848 5724
Lauria PZ 9 12919 18643
Aieta CS 9 823 19466
Trecchina PZ 11 2316 21782
Rotonda PZ 12 3494 25276
Papasidero CS 13 734 26010
Nemoli PZ 13 1495 27505
Mormanno CS 13 3027 30532
Tortora CS 13 6187 36719
Praia a Mare CS 14 6725 43444
Latronico PZ 15 4556 48000
Maratea PZ 15 5139 53139
Viggianello PZ 16 3025 56164
Rivello PZ 16 2767 58931
San Nicola Arcella CS 18 1957 60888
Santa Domenica Talao CS 19 1263 62151
Lagonegro PZ 19 5584 67735
Episcopia PZ 20 1434 69169

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km S of Potenza (67122 inhabitants)
83 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 1.1 2023-10-09
03:55:50
39.9852 15.9025 7 2023-10-09
04:01:08
Sala Sismica INGV-Roma 121914831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-09 03:55:50 ± 0.18
Latitude 39.9852 ± 0.0036
Longitude 15.9025 ± 0.0059
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121914831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
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) 98
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24731
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 121914831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-09 04:01:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-10-09T03:56:06.45 3.0 undecidable manual P -0.36 0
IV.GRIS.EHZ. 2023-10-09T03:55:59.94 0.3 undecidable manual S 189 27.4503 104 0.06 72
IV.SIRI.HHZ. 2023-10-09T03:55:58.40 0.3 undecidable manual S 352 22.0668 107 0.33 68
XE.T0701.HHN. 2023-10-09T03:55:57.04 0.6 undecidable manual S 90 18.1707 110 0.25 47
XE.CNESE.HHN. 2023-10-09T03:55:57.18 0.3 undecidable manual S 123 18.4704 110 0.28 69
XE.MORMA.HHZ. 2023-10-09T03:55:55.97 0.6 undecidable manual S 155 14.0748 116 0.48 45
IV.GRIS.EHZ. 2023-10-09T03:55:55.69 1.0 positive manual P 189 27.4503 104 -0.05 24
IV.SIRI.HHZ. 2023-10-09T03:55:54.39 0.6 positive manual P 352 22.0668 107 -0.3 46
XE.CNESE.HHN. 2023-10-09T03:55:53.84 0.1 undecidable manual P 123 18.4704 110 -0.17 95
XE.MORMA.HHZ. 2023-10-09T03:55:53.22 1.0 negative manual P 155 14.0748 116 0.02 25
XE.LAICA.HNN. 2023-10-09T03:55:53.29 0.3 undecidable manual S 123 7.3815 132 -0.25 71
MN.CUC.HHZ. 2023-10-09T03:55:53.59 0.6 undecidable manual S 277 7.4814 132 0.03 50
XE.T0701.HHN. 2023-10-09T03:55:53.86 0.1 undecidable manual P 90 18.1707 110 -0.09 96
MN.CUC.HHZ. 2023-10-09T03:55:52.08 0.1 positive manual P 277 7.4814 132 -0.01 100
XE.LAICA.HNN. 2023-10-09T03:55:51.84 0.1 undecidable manual P 123 7.3815 132 -0.24 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CUC.HHN. ML:1.2 0.000301 0.12 AML other m 2023-10-09T03:55:53.70
MN.CUC.HNN. ML:1.2 0.000279 0.1 AML other m 2023-10-09T03:55:53.65
MN.CUC.HHE. ML:1.2 0.00027899999999999995 0.52 AML other m 2023-10-09T03:55:53.71
MN.CUC.HNE. ML:1.2 0.000288 0.5 AML other m 2023-10-09T03:55:53.72
IV.SIRI.HHN. ML:0.8 0.00005 0.98 AML other m 2023-10-09T03:55:58.98
IV.SIRI.HHE. ML:0.8 0.000049500000000000004 0.36 AML other m 2023-10-09T03:56:02.02
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