Earthquake with magnitude of ML 1.2 on date 23-04-2022 and time 20:56:51 (Italy) in region 3 km E Cascia (PG)

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

  • 23-04-2022 18:56:51 (UTC)
  • 23-04-2022 20:56:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7260, 13.0450 at 10 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
Cascia PG 3 3217 3217
Norcia PG 9 4957 8174
Poggiodomo PG 9 117 8291
Monteleone di Spoleto PG 11 599 8890
Cerreto di Spoleto PG 15 1075 9965
Cittareale RI 15 482 10447
Vallo di Nera PG 16 364 10811
Sant'Anatolia di Narco PG 17 564 11375
Accumoli RI 17 667 12042
Preci PG 17 724 12766
Scheggino PG 17 461 13227
Leonessa RI 19 2435 15662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Terni (111501 inhabitants)
38 Km SE of Foligno (57155 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
55 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
100 Km W of Pescara (121014 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 2022-04-23
18:56:51
42.726 13.0448 10 2022-04-23
19:30:24
Sala Sismica INGV-Roma 103667161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-23 18:56:51 ± 0.04
Latitude 42.7260 ± 0.0027
Longitude 13.0448 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103667161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 103667161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-23 19:30:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2022-04-23T18:58:14.84 3.0 undecidable manual Pg 9.99 0
IV.MCRV.HHZ. 2022-04-23T18:58:13.77 3.0 undecidable manual Sg 2.87 0
IV.MMGO.HHZ. 2022-04-23T18:58:02.33 3.0 undecidable manual Pn -4.28 0
CR.STON.BHZ. 2022-04-23T18:57:42.44 3.0 undecidable manual Pn -0.04 0
OX.PLRO.HHZ. 2022-04-23T18:57:40.69 3.0 negative manual Pg 3.46 0
OX.MPRI.HHZ. 2022-04-23T18:57:33.42 3.0 undecidable manual Pn 0.57 0
IV.LRP.EHZ. 2022-04-23T18:57:17.78 3.0 undecidable manual Pg 3.56 0
IV.CSNT.HHZ. 2022-04-23T18:57:17.96 3.0 undecidable manual Sg -1.23 0
IV.CSP1.EHZ. 2022-04-23T18:57:06.10 0.3 undecidable manual S 18 42.624 50 0.17 70
IV.CPGN.HNZ. 2022-04-23T18:57:04.32 3.0 undecidable manual Sn -3.61 0
IV.CESI.HHZ. 2022-04-23T18:57:03.34 0.3 undecidable manual S 340 32.9448 50 -0.01 74
IV.FDMO.HHZ. 2022-04-23T18:57:03.69 0.6 undecidable manual S 6 34.6431 50 -0.1 48
IV.MTRA.EHZ. 2022-04-23T18:57:02.29 0.6 undecidable manual S 83 28.8489 50 0.03 49
IV.SMA1.EHZ. 2022-04-23T18:57:01.83 0.6 undecidable manual S 114 25.9518 50 0.35 47
IV.ASSB.HHZ. 2022-04-23T18:57:00.69 3.0 undecidable manual Sg 9.3 0
IV.CSP1.EHZ. 2022-04-23T18:57:00.21 0.1 undecidable manual P 18 42.624 50 0.22 93
IV.TERO.HHZ. 2022-04-23T18:57:00.46 0.1 undecidable manual P 104 47.0196 50 -0.21 92
IV.MC2.EHZ. 2022-04-23T18:57:00.93 0.6 undecidable manual S 30 23.6541 113 0.1 49
IV.MOMA.HHZ. 2022-04-23T18:56:59.67 3.0 undecidable manual Sn 0.32 0
IV.CESI.HHZ. 2022-04-23T18:56:58.46 0.1 undecidable manual P 340 32.9448 50 -0.05 98
IV.FDMO.HHZ. 2022-04-23T18:56:58.69 0.1 undecidable manual P 6 34.6431 50 -0.08 97
IV.MTRA.EHZ. 2022-04-23T18:56:57.76 0.1 undecidable manual P 83 28.8489 50 -0.12 97
IV.NRCA.HHZ. 2022-04-23T18:56:57.42 0.6 undecidable manual S 25 13.1757 128 -0.25 49
IV.ARRO.EHZ. 2022-04-23T18:56:57.40 0.6 negative manual P 235 27.9498 50 -0.34 46
IV.GAVE.EHZ. 2022-04-23T18:56:57.64 0.6 undecidable manual S 253 12.876 128 0.07 50
IV.LNSS.HHZ. 2022-04-23T18:56:57.71 0.3 undecidable manual S 182 13.6752 127 -0.09 75
IV.SMA1.EHZ. 2022-04-23T18:56:57.54 1.0 positive manual P 114 25.9518 50 0.11 24
IV.MC2.EHZ. 2022-04-23T18:56:57.05 1.0 undecidable manual P 30 23.6541 113 -0.01 25
IV.LNSS.HHZ. 2022-04-23T18:56:55.41 0.1 undecidable manual P 182 13.6752 127 0.1 100
IV.NRCA.HHZ. 2022-04-23T18:56:55.23 0.6 undecidable manual P 25 13.1757 128 0 51
IV.GAVE.EHZ. 2022-04-23T18:56:55.33 0.1 positive manual P 253 12.876 128 0.16 99
IV.APEC.HHZ. 2022-04-23T18:56:53.94 3.0 undecidable manual P 0.96 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.7 0.000528 0.1 AML other m 2022-04-23T18:56:57.61
IV.NRCA.HHN. ML:1.3 0.0002195 1.32 AML other m 2022-04-23T18:56:57.03
IV.GAVE.EHN. ML:1.2 0.0001795 1.64 AML other m 2022-04-23T18:56:57.04
IV.LNSS.HHN. ML:1.2 0.00015099999999999998 0.32 AML other m 2022-04-23T18:56:58.00
IV.LNSS.HHE. ML:1.3 0.0001965 0.1 AML other m 2022-04-23T18:56:58.12
IV.GAVE.EHE. ML:1.2 0.0001645 0.38 AML other m 2022-04-23T18:56:58.78
IV.MTRA.EHN. ML:1.0 0.00005265 0.32 AML other m 2022-04-23T18:57:02.75
IV.SMA1.EHN. ML:0.9 0.00004645 0.96 AML other m 2022-04-23T18:57:03.33
IV.MTRA.EHE. ML:1.1 0.000057549999999999996 0.44 AML other m 2022-04-23T18:57:03.56
IV.CESI.HHN. ML:1.0 0.000047 0.74 AML other m 2022-04-23T18:57:03.42
IV.CESI.HHE. ML:0.8 0.000029949999999999996 0.72 AML other m 2022-04-23T18:57:03.96
IV.SMA1.EHE. ML:1.0 0.0000534 0.42 AML other m 2022-04-23T18:57:05.22
IV.CSP1.EHE. ML:1.4 0.00007364999999999999 0.3 AML other m 2022-04-23T18:57:06.79
IV.MOMA.HHN. ML:1.0 0.00003695 0.16 AML other m 2022-04-23T18:57:06.88
IV.MOMA.HHE. ML:1.1 0.000045700000000000006 1.12 AML other m 2022-04-23T18:57:07.73
IV.CSP1.EHN. ML:1.4 0.00008180000000000001 1.02 AML other m 2022-04-23T18:57:07.79
OX.PLRO.HHN. ML:3.7 0.00026900000000000003 1.18 AML other m 2022-04-23T18:58:00.75
OX.PLRO.HHE. ML:4.2 0.0008125 1.48 AML other m 2022-04-23T18:58:53.00
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