Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 05-12-2022 and time 07:24:13 (UTC) in region 3 km NW Cascia (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km NW Cascia (PG), on

  • 05-12-2022 07:24:13 (UTC)
  • 05-12-2022 08:24:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7430, 12.9950 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Cascia PG 3 3217 3217
Poggiodomo PG 6 117 3334
Norcia PG 10 4957 8291
Monteleone di Spoleto PG 11 599 8890
Cerreto di Spoleto PG 11 1075 9965
Vallo di Nera PG 11 364 10329
Sant'Anatolia di Narco PG 13 564 10893
Scheggino PG 14 461 11354
Preci PG 16 724 12078
Sellano PG 17 1079 13157
Cittareale RI 19 482 13639
Campello sul Clitunno PG 20 2442 16081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
59 Km W of Teramo (54892 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
88 Km N of Tivoli (56533 inhabitants)
98 Km W of Montesilvano (53738 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
Bulletin
Rev1000 		ML 1.2 2022-12-05
07:24:13		 42.7432 12.9952 11 2024-03-01
15:28:27		 Bollettino Sismico Italiano INGV 118758771
Reviewed
Rev100 		ML 1.2 2022-12-05
07:24:12		 42.7033 13.2418 10 2022-12-05
07:35:24		 Sala Sismica INGV-Roma 112514121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-05 07:24:13 ± 0.05
Latitude 42.7432 ± 0.0018
Longitude 12.9952 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118758771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.12591
Epicentral distance of station farthest from the epicenter (degree) 0.38041
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 118758771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-27 16:00:57

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 112514121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-05 07:35:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-12-05T07:24:27.68 0.6 undecidable manual S 24 42.2244 50 0.28 45
IV.FDMO.HHZ. 2022-12-05T07:24:24.94 0.6 undecidable manual S 13 33.3444 50 -0.09 48
IV.RM33.HNE. 2022-12-05T07:24:24.54 0.6 undecidable manual S 145 31.5462 50 -0.01 49
IV.CESI.HHZ. 2022-12-05T07:24:24.07 0.6 undecidable manual S 346 29.9478 50 -0.05 48
7F.SIB1.EHE. 2022-12-05T07:24:23.59 0.6 undecidable manual S 53 27.9498 50 0 49
7F.SIB2.EHE. 2022-12-05T07:24:23.86 0.6 undecidable manual S 57 29.9478 50 -0.27 46
IV.MC2.EHZ. 2022-12-05T07:24:22.81 0.6 undecidable manual S 40 24.4533 50 0.17 48
IV.ARRO.EHZ. 2022-12-05T07:24:22.87 0.6 undecidable manual S 226 26.1516 50 -0.23 47
IV.CSP1.EHZ. 2022-12-05T07:24:21.74 0.3 undecidable manual P 24 42.2244 50 0.2 69
IV.LNSS.HHZ. 2022-12-05T07:24:20.16 0.1 undecidable manual S 167 15.9729 123 -0.01 100
IV.FDMO.HHZ. 2022-12-05T07:24:20.14 0.1 undecidable manual P 13 33.3444 50 -0.03 97
7F.SIB2.EHE. 2022-12-05T07:24:19.53 0.3 undecidable manual P 57 29.9478 50 -0.12 72
IV.NRCA.HHZ. 2022-12-05T07:24:19.35 0.3 undecidable manual S 44 13.9749 127 -0.23 72
IV.CESI.HHZ. 2022-12-05T07:24:19.66 0.1 undecidable manual P 346 29.9478 50 0.02 97
IV.ARRO.EHZ. 2022-12-05T07:24:19.03 0.3 undecidable manual P 226 26.1516 50 -0.02 73
IV.RM33.HNE. 2022-12-05T07:24:19.92 0.1 undecidable manual P 145 31.5462 50 0.03 97
7F.SIB1.EHE. 2022-12-05T07:24:19.29 0.3 undecidable manual P 53 27.9498 50 -0.05 73
IV.MC2.EHZ. 2022-12-05T07:24:18.88 0.3 undecidable manual P 40 24.4533 50 0.09 73
IV.NRCA.HHZ. 2022-12-05T07:24:17.13 0.3 undecidable manual P 44 13.9749 127 0.1 74
IV.LNSS.HHZ. 2022-12-05T07:24:17.50 0.1 undecidable manual P 167 15.9729 123 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.0001835 0.16 AML other m 2022-12-05T07:24:19.50
IV.NRCA.HHE. ML:1.4 0.000261 1.84 AML other m 2022-12-05T07:24:19.04
IV.LNSS.HHE. ML:1.2 0.00014399999999999998 0.46 AML other m 2022-12-05T07:24:20.52
IV.MMO1.EHE. ML:1.4 0.00009820000000000002 0.3 AML other m 2022-12-05T07:24:20.84
IV.LNSS.HHN. ML:1.2 0.0001525 0.82 AML other m 2022-12-05T07:24:21.53
IV.MMO1.EHN. ML:1.4 0.0000981 0.84 AML other m 2022-12-05T07:24:21.82
IV.FDMO.HHE. ML:0.9 0.000032550000000000005 0.7 AML other m 2022-12-05T07:24:26.01
IV.FDMO.HHN. ML:0.9 0.000036150000000000005 0.7 AML other m 2022-12-05T07:24:26.25
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