Earthquake with magnitude of ML 1.3 on date 26-07-2023 and time 02:21:57 (UTC) in region 4 km SW Castroregio (CS)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Castroregio (CS), on

  • 26-07-2023 02:21:57 (UTC)
  • 26-07-2023 04:21:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9620, 16.4620 at 9 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
Castroregio CS 4 303 303
Albidona CS 4 1352 1655
Alessandria del Carretto CS 7 462 2117
Plataci CS 7 739 2856
Oriolo CS 10 2223 5079
Amendolara CS 11 2952 8031
Montegiordano CS 11 1857 9888
Trebisacce CS 12 9055 18943
Roseto Capo Spulico CS 12 1941 20884
Villapiana CS 13 5387 26271
Cerchiara di Calabria CS 13 2385 28656
Cersosimo PZ 13 656 29312
San Paolo Albanese PZ 14 294 29606
San Lorenzo Bellizzi CS 14 644 30250
Terranova di Pollino PZ 14 1208 31458
Canna CS 15 747 32205
Nocara CS 16 397 32602
San Costantino Albanese PZ 16 729 33331
Francavilla Marittima CS 17 2910 36241
San Giorgio Lucano MT 18 1217 37458
Noepoli PZ 18 878 38336
Rocca Imperiale CS 19 3312 41648
Civita CS 20 902 42550

Municipalities with at least 50000 inhabitants

An earthquake occurred to
76 Km N of Cosenza (67546 inhabitants)
79 Km S of Matera (60436 inhabitants)
87 Km SW of Taranto (201100 inhabitants)
94 Km SE of Potenza (67122 inhabitants)
97 Km S of Altamura (70396 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 1.3 2023-07-26
02:21:57
39.9618 16.4622 9 2023-07-26
02:38:54
Sala Sismica INGV-Roma 119580891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-26 02:21:57 ± 0.18
Latitude 39.9618 ± 0.0081
Longitude 16.4622 ± 0.0153
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119580891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1325
Semi-minor axis of confidence ellipse (meter) 728
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56028
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 119580891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-26 02:38:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-07-26T02:23:35.89 3.0 undecidable manual Sn -0.53 0
IV.SEI.HHZ. 2023-07-26T02:23:33.25 3.0 negative manual Pg 21.09 0
GU.CARD.HHZ. 2023-07-26T02:23:32.44 3.0 negative manual Pg 14.28 0
MN.PDG.HHZ. 2023-07-26T02:23:26.10 3.0 undecidable manual Sn 0.08 0
IV.FIAM.HHZ. 2023-07-26T02:23:22.13 3.0 undecidable manual Sn -0.35 0
IV.ACATE.EHZ. 2023-07-26T02:23:20.61 3.0 undecidable manual Sn -3.95 0
7C.SPAOL.HNZ. 2023-07-26T02:23:09.42 3.0 undecidable manual Sn 0.79 0
IV.MMUR.HNZ. 2023-07-26T02:23:07.62 3.0 positive manual Pg 12.38 0
MN.KEK.HHZ. 2023-07-26T02:22:34.55 3.0 negative manual Pg -2.58 0
7C.SPAOL.HNZ. 2023-07-26T02:22:33.21 3.0 positive manual Pn -1.32 0
IV.CRAC.EHE. 2023-07-26T02:22:13.35 0.6 undecidable manual S 357 46.62 50 -0.04 46
XE.SHEVA.HHZ. 2023-07-26T02:22:09.25 0.6 undecidable manual S 237 29.8479 106 0.47 44
IV.CELI.HNN. 2023-07-26T02:22:09.82 0.1 undecidable manual P 176 62.1933 50 0.55 80
IV.SIRI.HHE. 2023-07-26T02:22:08.59 0.1 undecidable manual P 296 56.0994 50 0.25 87
IV.CRAC.EHE. 2023-07-26T02:22:07.30 0.6 undecidable manual P 357 46.62 50 0.42 43
XE.FRASC.HHN. 2023-07-26T02:22:06.99 0.6 undecidable manual S 231 21.5673 112 0.93 37
IV.TDS.HHZ. 2023-07-26T02:22:05.06 0.1 undecidable manual P 198 35.1426 50 -0.05 95
XE.TNOVA.HHE. 2023-07-26T02:22:05.40 0.3 undecidable manual S 275 17.1717 117 0.74 61
XE.CNESE.HHE. 2023-07-26T02:22:04.57 0.1 undecidable manual P 257 33.0447 50 -0.21 92
XE.SHEVA.HHZ. 2023-07-26T02:22:04.22 0.1 undecidable manual P 237 29.8479 106 0 96
XE.T0701.HHE. 2023-07-26T02:22:03.73 0.1 undecidable manual P 275 29.5482 106 -0.42 88
IV.SALB.HHZ. 2023-07-26T02:22:03.02 0.3 undecidable manual S 227 13.6752 123 -0.58 65
XE.FRASC.HHN. 2023-07-26T02:22:02.20 0.1 undecidable manual P 231 21.5673 112 -0.45 89
IV.ORI.HHZ. 2023-07-26T02:22:02.67 0.3 undecidable manual S 354 9.9789 131 0.09 73
XE.BIDON.HHZ. 2023-07-26T02:22:01.84 0.3 undecidable manual S 197 1.8981 168 0.76 62
XE.TNOVA.HHE. 2023-07-26T02:22:01.78 0.1 undecidable manual P 275 17.1717 117 -0.06 97
IV.SALB.HHZ. 2023-07-26T02:22:00.63 0.1 undecidable manual P 227 13.6752 123 -0.6 86
IV.ORI.HHZ. 2023-07-26T02:22:00.27 0.1 undecidable manual P 354 9.9789 131 -0.36 92
XE.BIDON.HHZ. 2023-07-26T02:21:59.72 0.1 undecidable manual P 197 1.8981 168 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.BIDON.HHE. ML:0.0 0.0004625 0.72 AML other m 2023-07-26T02:22:03.55
XE.BIDON.HNE. ML:0.0 0.0005344999999999999 0.72 AML other m 2023-07-26T02:22:03.91
IV.ORI.HHE. ML:0.0 0.00040050000000000003 0.26 AML other m 2023-07-26T02:22:04.71
XE.BIDON.HHN. ML:0.0 0.00041000000000000005 0.66 AML other m 2023-07-26T02:22:04.92
XE.BIDON.HNN. ML:0.0 0.00036150000000000006 0.68 AML other m 2023-07-26T02:22:04.93
IV.ORI.HHN. ML:0.0 0.000341 1.58 AML other m 2023-07-26T02:22:05.10
IV.SALB.HHE. ML:0.0 0.00019243685 0.12 AML other m 2023-07-26T02:22:04.96
IV.SALB.HHN. ML:0.0 0.00019787015 0.1184 AML other m 2023-07-26T02:22:04.94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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