Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 26-12-2023 and time 02:49:57 (UTC) in region 2 km NW Cersosimo (PZ)

A magnitude ML 1.2 earthquake occured in region: 2 km NW Cersosimo (PZ), on

  • 26-12-2023 02:49:57 (UTC)
  • 26-12-2023 03:49:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.0600, 16.3340 at 25 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cersosimo PZ 2 656 656
San Paolo Albanese PZ 3 294 950
Noepoli PZ 3 878 1828
San Costantino Albanese PZ 4 729 2557
San Giorgio Lucano MT 8 1217 3774
Oriolo CS 10 2223 5997
Terranova di Pollino PZ 10 1208 7205
Senise PZ 10 7115 14320
Francavilla in Sinni PZ 11 4215 18535
Alessandria del Carretto CS 12 462 18997
Chiaromonte PZ 13 1965 20962
Nocara CS 14 397 21359
Castroregio CS 14 303 21662
Canna CS 15 747 22409
Fardella PZ 16 627 23036
Valsinni MT 16 1544 24580
Colobraro MT 16 1266 25846
San Severino Lucano PZ 17 1563 27409
Montegiordano CS 17 1857 29266
Teana PZ 17 613 29879
San Lorenzo Bellizzi CS 19 644 30523
Calvera PZ 19 387 30910
Castronuovo di Sant'Andrea PZ 19 1067 31977
Albidona CS 19 1352 33329
Plataci CS 19 739 34068

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km SW of Matera (60436 inhabitants)
79 Km SE of Potenza (67122 inhabitants)
85 Km N of Cosenza (67546 inhabitants)
88 Km S of Altamura (70396 inhabitants)
89 Km SW of Taranto (201100 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 2023-12-26
02:49:57		 40.0595 16.3343 25 2023-12-26
02:56:48		 Sala Sismica INGV-Roma 124269821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-26 02:49:57 ± 0.25
Latitude 40.0595 ± 0.0144
Longitude 16.3343 ± 0.0176
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124269821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1511
Semi-minor axis of confidence ellipse (meter) 1389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 160
Circular confidence region, given by single value of horizontal uncertainty (meter) 1510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.14659
Epicentral distance of station farthest from the epicenter (degree) 0.91641
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 124269821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-26 02:56:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2023-12-26T02:50:27.96 0.3 undecidable manual S 37 101.7204 99 0.77 57
IV.MIGL.HHZ. 2023-12-26T02:50:16.27 0.6 undecidable manual S 8 61.0944 106 -0.32 44
IV.NOCI.HHZ. 2023-12-26T02:50:14.63 0.1 undecidable manual P 37 101.7204 99 0.08 85
IV.CRAC.EHZ. 2023-12-26T02:50:10.58 0.6 undecidable manual S 13 36.741 118 0.05 48
IV.MIGL.HHZ. 2023-12-26T02:50:07.81 0.1 undecidable manual P 8 61.0944 106 -0.62 77
XE.T0701.HHZ. 2023-12-26T02:50:07.25 0.6 undecidable manual S 246 20.2686 137 0.25 46
XE.BIDON.HHZ. 2023-12-26T02:50:06.23 0.6 undecidable manual S 141 16.2726 143 -0.09 50
IV.SALB.HHZ. 2023-12-26T02:50:06.80 0.6 undecidable manual S 177 20.2686 137 -0.2 49
IV.CRAC.EHZ. 2023-12-26T02:50:04.76 0.1 undecidable manual P 13 36.741 118 -0.17 94
XE.T0701.HHZ. 2023-12-26T02:50:03.20 0.6 positive manual P 246 20.2686 137 0.3 47
IV.SALB.HHZ. 2023-12-26T02:50:03.03 0.1 positive manual P 177 20.2686 137 0.13 100
XE.BIDON.HHZ. 2023-12-26T02:50:02.75 1.0 negative manual P 141 16.2726 143 0.25 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.BIDON.HHE. ML:1.2 0.00008715 1 AML other m 2023-12-26T02:50:06.15
XE.BIDON.HNE. ML:1.4 0.0001339 1 AML other m 2023-12-26T02:50:06.15
XE.T0701.HHN. ML:1.0 0.000045900000000000004 0.42 AML other m 2023-12-26T02:50:06.52
IV.SALB.HHE. ML:1.2 0.00006925 0.22 AML other m 2023-12-26T02:50:07.25
XE.BIDON.HHN. ML:1.4 0.00011949999999999999 0.48 AML other m 2023-12-26T02:50:07.50
XE.BIDON.HNN. ML:1.3 0.0001083 0.52 AML other m 2023-12-26T02:50:07.26
XE.T0701.HHE. ML:0.9 0.000036500000000000006 0.54 AML other m 2023-12-26T02:50:07.36
IV.SALB.HHN. ML:0.9 0.0000385 1.1 AML other m 2023-12-26T02:50:08.15
IV.CRAC.EHE. ML:1.4 0.00006895 0.86 AML other m 2023-12-26T02:50:11.49
IV.CRAC.EHN. ML:1.2 0.000057400000000000006 1.44 AML other m 2023-12-26T02:50:12.06
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