Earthquake with magnitude of ML 1.1 on date 23-12-2022 and time 17:34:06 (UTC) in region 6 km SE Castel Ritaldi (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km SE Castel Ritaldi (PG), on

  • 23-12-2022 17:34:06 (UTC)
  • 23-12-2022 18:34:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7850, 12.7190 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
Spoleto PG 6 38218 38218
Castel Ritaldi PG 6 3278 41496
Campello sul Clitunno PG 6 2442 43938
Trevi PG 11 8469 52407
Sant'Anatolia di Narco PG 11 564 52971
Vallo di Nera PG 12 364 53335
Scheggino PG 12 461 53796
Giano dell'Umbria PG 13 3846 57642
Montefalco PG 13 5679 63321
Massa Martana PG 16 3770 67091
Cerreto di Spoleto PG 17 1075 68166
Acquasparta TR 18 4778 72944
Bevagna PG 19 5081 78025
Foligno PG 19 57155 135180
Ferentillo TR 19 1913 137093
Gualdo Cattaneo PG 19 6155 143248
Poggiodomo PG 19 117 143365

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Foligno (57155 inhabitants)
26 Km N of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km N of Tivoli (56533 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 2022-12-23
17:34:06
42.785 12.7192 9 2022-12-23
17:40:57
Sala Sismica INGV-Roma 113041001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-23 17:34:06 ± 0.08
Latitude 42.7850 ± 0.0045
Longitude 12.7192 ± 0.0135
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 113041001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1084
Semi-minor axis of confidence ellipse (meter) 425
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 26
Type of magnitude ML
Reference to an origin 113041001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-23 17:40:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2022-12-23T17:35:44.60 3.0 undecidable manual Sg 15.33 0
CR.STON.BHZ. 2022-12-23T17:35:31.24 3.0 undecidable manual Sn 10.55 0
1J.FX14.HHZ.00 2022-12-23T17:35:27.32 3.0 positive manual Pg 9.52 0
IV.PIPA.HHZ. 2022-12-23T17:35:01.85 3.0 negative manual Pn -0.78 0
IV.BDI.HHZ. 2022-12-23T17:34:47.83 3.0 undecidable manual Sn -2.17 0
IV.ZCCA.HHZ. 2022-12-23T17:34:45.46 3.0 undecidable manual Sn -0.54 0
IV.IMOL.HNZ. 2022-12-23T17:34:43.13 3.0 undecidable manual Sg 7.21 0
IV.CSNT.HHZ. 2022-12-23T17:34:41.03 3.0 undecidable manual Sg 2.08 0
IV.VVLD.HHZ. 2022-12-23T17:34:27.02 3.0 undecidable manual Pg 5.47 0
GU.CARD.HHZ. 2022-12-23T17:34:26.68 3.0 positive manual Pg 2.13 0
IV.NRCA.HHZ. 2022-12-23T17:34:17.65 0.6 undecidable manual S 80 32.6451 50 0 96
IV.LNSS.HHZ. 2022-12-23T17:34:17.54 0.6 undecidable manual S 128 33.0447 50 -0.23 92
IV.CESI.HHZ. 2022-12-23T17:34:16.42 0.6 undecidable manual S 32 28.6491 108 -0.06 96
IV.ASSB.HHZ. 2022-12-23T17:34:16.61 0.6 undecidable manual S 350 28.9488 107 0.02 97
IV.MC2.EHZ. 2022-12-23T17:34:14.06 0.6 undecidable manual P 70 40.7259 50 0.07 94
IV.CESX.HHZ. 2022-12-23T17:34:14.27 0.6 undecidable manual S 209 22.3554 112 -0.15 95
IV.IMOL.HNZ. 2022-12-23T17:34:14.30 3.0 negative manual P -1.42 0
IV.FDMO.HHZ. 2022-12-23T17:34:14.39 1.0 undecidable manual P 47 40.9257 50 0.37 44
IV.BRSN.HNZ. 2022-12-23T17:34:12.95 3.0 undecidable manual P -0.22 0
IV.ASSB.HHZ. 2022-12-23T17:34:12.24 0.6 undecidable manual P 350 28.9488 107 0.11 95
IV.NRCA.HHZ. 2022-12-23T17:34:12.60 0.6 negative manual P 80 32.6451 50 -0.14 94
IV.CESI.HHZ. 2022-12-23T17:34:12.01 1.0 undecidable manual P 32 28.6491 108 -0.06 48
IV.LNSS.HHZ. 2022-12-23T17:34:12.70 1.0 negative manual P 128 33.0447 50 -0.12 47
IV.CESX.HHZ. 2022-12-23T17:34:11.55 0.6 undecidable manual P 209 22.3554 112 0.67 83
IV.MOMA.HHZ. 2022-12-23T17:34:11.02 0.6 undecidable manual S 280 12.2766 126 -0.34 93
IV.MOMA.HHZ. 2022-12-23T17:34:09.11 0.6 positive manual P 280 12.2766 126 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:0.6 0.000049631275000000005 0.2432 AML other m 2022-12-23T17:34:11.67
IV.MOMA.HHE. ML:1.2 0.00017951565 0.4224 AML other m 2022-12-23T17:34:11.58
IV.CESI.HHN. ML:0.8 0.000036 0.62 AML other m 2022-12-23T17:34:17.82
IV.ASSB.HHN. ML:0.7 0.00002733646 0.1792 AML other m 2022-12-23T17:34:17.91
IV.ASSB.HHE. ML:0.8 0.000032036769999999996 0.1792 AML other m 2022-12-23T17:34:17.91
IV.NRCA.HHN. ML:0.9 0.000034250000000000006 0.12 AML other m 2022-12-23T17:34:18.67
IV.LNSS.HHN. ML:0.9 0.00003597254 0.1792 AML other m 2022-12-23T17:34:18.77
IV.CESI.HHE. ML:0.7 0.000023698135000000002 4.4416 AML other m 2022-12-23T17:34:26.98
IV.LNSS.HHE. ML:1.0 0.0000407 0.62 AML other m 2022-12-23T17:34:19.10
IV.NRCA.HHE. ML:0.8 0.000032185215000000006 1.0112 AML other m 2022-12-23T17:34:18.35
IV.MOMA.HNE. ML:1.3 0.0002111394 0.6784 AML other m 2022-12-23T17:34:13.25
IV.MOMA.HNN. ML:1.2 0.00018212295 0.2304 AML other m 2022-12-23T17:34:11.69
IV.CESX.HHE. ML:0.8 0.000042363395 0.4352 AML other m 2022-12-23T17:34:16.28
IV.CESX.HHN. ML:0.8 0.00003926429 0.3584 AML other m 2022-12-23T17:34:16.49
IV.CESI.HNE. ML:1.4 0.0001240334 1.4592 AML other m 2022-12-23T17:34:35.84
IV.CESI.HNN. ML:1.5 0.0001581575 2.112 AML other m 2022-12-23T17:34:32.22
IV.NRCA.HNE. ML:1.6 0.00015967740000000002 0.6144 AML other m 2022-12-23T17:34:35.40
IV.NRCA.HNN. ML:1.7 0.0002152792 0.9088 AML other m 2022-12-23T17:34:25.00
IV.LNSS.HNE. ML:1.5 0.00014390644999999998 2.9312 AML other m 2022-12-23T17:34:22.82
IV.LNSS.HNN. ML:1.6 0.00017994445000000001 1.2032 AML other m 2022-12-23T17:34:24.53
IV.FDMO.HHE. ML:0.8 0.000018385004999999998 3.5456 AML other m 2022-12-23T17:34:50.56
IV.FDMO.HHN. ML:0.6 0.00001433321 2.6624 AML other m 2022-12-23T17:34:27.29
IV.VVLD.HHE. ML:1.5 0.000021756485 2.7904 AML other m 2022-12-23T17:34:47.12
IV.VVLD.HHN. ML:1.5 0.000021912559999999998 2.048 AML other m 2022-12-23T17:34:40.61
IV.VVLD.HNE. ML:2.3 0.0001451578 2.9696 AML other m 2022-12-23T17:35:10.64
IV.VVLD.HNN. ML:2.4 0.00015505205 0.6016 AML other m 2022-12-23T17:34:36.35
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