Earthquake with magnitude of ML 1.6 on date 27-09-2022 and time 06:48:51 (Italy) in region 7 km S Castel Ritaldi (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km S Castel Ritaldi (PG), on

  • 27-09-2022 04:48:51 (UTC)
  • 27-09-2022 06:48:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7610, 12.6560 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castel Ritaldi PG 7 3278 3278
Spoleto PG 7 38218 41496
Giano dell'Umbria PG 10 3846 45342
Massa Martana PG 11 3770 49112
Acquasparta TR 12 4778 53890
Campello sul Clitunno PG 12 2442 56332
Montefalco PG 15 5679 62011
Sant'Anatolia di Narco PG 15 564 62575
Trevi PG 15 8469 71044
Scheggino PG 15 461 71505
Vallo di Nera PG 17 364 71869
Montecastrilli TR 18 5022 76891
Gualdo Cattaneo PG 19 6155 83046
San Gemini TR 19 5018 88064
Ferentillo TR 19 1913 89977
Bevagna PG 20 5081 95058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Foligno (57155 inhabitants)
22 Km N of Terni (111501 inhabitants)
44 Km SE of Perugia (166134 inhabitants)
59 Km NE of Viterbo (67173 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km W of Teramo (54892 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
97 Km N of Roma (2864731 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 1.6 2022-09-27
04:48:51
42.7607 12.6562 8 2024-03-01
15:27:56
Bollettino Sismico Italiano INGV 110777291
Reviewed
Rev100
ML 1.6 2022-09-27
04:48:51
42.7608 12.6578 6 2022-09-27
05:00:58
Sala Sismica INGV-Roma 110202281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 04:48:51 ± 0.06
Latitude 42.7607 ± 0.0027
Longitude 12.6562 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110777291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76622
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 110777291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 13:51:17

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 110202281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 05:00:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELB.HHZ. 2022-09-27T04:49:25.20 3.0 positive manual Pg 1.77 0
IV.GUMA.HHZ. 2022-09-27T04:49:12.62 0.6 undecidable manual S 58 64.5909 50 0.93 35
IV.FIAM.HHZ. 2022-09-27T04:49:12.67 0.6 undecidable manual S 145 66.378 50 0.49 41
IV.SMA1.EHZ. 2022-09-27T04:49:10.04 0.3 undecidable manual S 104 57.1983 50 0.31 66
IV.CSP1.EHZ. 2022-09-27T04:49:10.33 0.6 undecidable manual S 50 57.7977 50 0.45 43
IV.MMO1.EHZ. 2022-09-27T04:49:09.71 0.6 undecidable manual S 74 56.6988 50 0.12 46
IV.RM33.EHZ. 2022-09-27T04:49:08.71 0.6 undecidable manual S 121 53.4021 50 -0.01 47
IV.MC2.EHZ. 2022-09-27T04:49:07.10 0.6 undecidable manual S 69 46.4202 50 0.24 45
IV.ARVD.HHZ. 2022-09-27T04:49:07.19 0.3 undecidable manual P 16 85.0482 50 0.91 51
IV.MML1.EHZ. 2022-09-27T04:49:06.83 0.6 undecidable manual S 33 46.8198 50 -0.12 47
IV.ATCC.EHZ. 2022-09-27T04:49:06.76 0.6 undecidable manual S 358 47.1195 50 -0.28 45
IV.FDMO.HHZ. 2022-09-27T04:49:06.86 0.6 undecidable manual S 49 46.5201 50 -0.02 48
IV.CING.HHZ. 2022-09-27T04:49:05.54 0.3 undecidable manual P 32 81.0522 50 -0.12 65
IV.ATPI.EHZ. 2022-09-27T04:49:05.37 0.6 undecidable manual P 345 79.2651 50 -0.02 45
IV.NRCA.HHZ. 2022-09-27T04:49:04.56 0.3 undecidable manual S 78 38.1285 50 -0.09 71
IV.SSFR.HHZ. 2022-09-27T04:49:04.72 0.3 undecidable manual P 8 75.6687 50 -0.11 66
IV.CESI.HHZ. 2022-09-27T04:49:03.36 0.6 undecidable manual S 37 33.8439 50 -0.12 48
IV.LNSS.HHZ. 2022-09-27T04:49:03.49 0.6 undecidable manual S 119 35.8419 50 -0.55 43
IV.GUMA.HHZ. 2022-09-27T04:49:03.43 0.3 undecidable manual P 58 64.5909 50 0.31 65
IV.FIAM.HHZ. 2022-09-27T04:49:03.48 0.3 undecidable manual P 145 66.378 50 0.08 68
IV.MURB.HHZ. 2022-09-27T04:49:02.34 0.6 undecidable manual P 349 56.6988 50 0.42 43
IV.ASSB.HHZ. 2022-09-27T04:49:02.56 0.6 undecidable manual S 0 31.2465 105 -0.1 48
IV.CSP1.EHZ. 2022-09-27T04:49:02.06 0.1 undecidable manual P 50 57.7977 50 -0.01 93
IV.SMA1.EHZ. 2022-09-27T04:49:01.96 0.1 undecidable manual P 104 57.1983 50 -0.03 93
IV.RM33.EHZ. 2022-09-27T04:49:01.30 0.3 undecidable manual P 121 53.4021 50 -0.11 69
IV.MMO1.EHZ. 2022-09-27T04:49:01.73 0.1 undecidable manual P 74 56.6988 50 -0.18 90
IV.MC2.EHZ. 2022-09-27T04:49:00.25 0.1 undecidable manual P 69 46.4202 50 -0.08 94
IV.MML1.EHZ. 2022-09-27T04:49:00.19 0.1 undecidable manual P 33 46.8198 50 -0.19 92
IV.FDMO.HHZ. 2022-09-27T04:49:00.21 0.1 undecidable manual P 49 46.5201 50 -0.13 93
IV.ATCC.EHZ. 2022-09-27T04:49:00.34 0.1 undecidable manual P 358 47.1195 50 -0.09 93
IV.GAVE.EHZ. 2022-09-27T04:48:59.20 0.6 undecidable manual S 111 20.868 112 -0.01 50
IV.FEMA.HNZ. 2022-09-27T04:48:59.21 0.3 undecidable manual P 55 39.0276 50 0.02 72
IV.ARRO.EHZ. 2022-09-27T04:48:59.79 0.6 undecidable manual S 156 22.0668 111 0.2 48
IV.CESX.HHZ. 2022-09-27T04:48:58.14 0.6 undecidable manual S 199 17.7711 115 -0.1 49
IV.NRCA.HHZ. 2022-09-27T04:48:58.80 0.1 undecidable manual P 78 38.1285 50 -0.25 92
IV.CESI.HHZ. 2022-09-27T04:48:58.19 0.1 undecidable manual P 37 33.8439 50 -0.19 94
IV.LNSS.HHZ. 2022-09-27T04:48:58.38 0.1 undecidable manual P 119 35.8419 50 -0.32 91
IV.ASSB.HHZ. 2022-09-27T04:48:57.91 0.1 undecidable manual P 0 31.2465 105 0 98
IV.ARRO.EHZ. 2022-09-27T04:48:56.26 0.1 undecidable manual P 156 22.0668 111 0.12 97
IV.CESX.HHZ. 2022-09-27T04:48:55.34 0.1 positive manual P 199 17.7711 115 -0.02 100
IT.GNU.HGE. 2022-09-27T04:48:55.55 0.6 undecidable manual S 304 8.4804 135 -0.01 51
IV.GAVE.EHZ. 2022-09-27T04:48:55.81 0.1 undecidable manual P 111 20.868 112 -0.1 98
IT.GNU.HGE. 2022-09-27T04:48:54.01 0.1 undecidable manual P 304 8.4804 135 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.9 0.0007675 0.24 AML other m 2022-09-27T04:48:59.31
IV.CESX.HHE. ML:1.8 0.000607 1.02 AML other m 2022-09-27T04:48:59.45
IV.ARRO.EHN. ML:1.3 0.00013585 0.46 AML other m 2022-09-27T04:49:01.15
IV.GAVE.EHE. ML:1.5 0.00021999999999999998 0.48 AML other m 2022-09-27T04:49:02.81
IV.GAVE.EHN. ML:1.5 0.0002345 0.92 AML other m 2022-09-27T04:49:03.51
IV.ASSB.HHN. ML:1.6 0.000165 1 AML other m 2022-09-27T04:49:03.03
IV.ARRO.EHE. ML:1.3 0.00012895000000000002 1.2 AML other m 2022-09-27T04:49:03.69
IV.ASSB.HHE. ML:1.4 0.000121 0.2 AML other m 2022-09-27T04:49:04.38
IV.CESI.HHE. ML:1.2 0.00007425 1.28 AML other m 2022-09-27T04:49:05.95
IV.LNSS.HHN. ML:1.6 0.0001535 0.86 AML other m 2022-09-27T04:49:05.46
IV.CESI.HHN. ML:1.6 0.000149 0.26 AML other m 2022-09-27T04:49:05.35
IV.NRCA.HHN. ML:1.7 0.0001785 0.66 AML other m 2022-09-27T04:49:05.16
IV.NRCA.HHE. ML:1.6 0.000147 0.52 AML other m 2022-09-27T04:49:05.98
IV.LNSS.HHE. ML:1.6 0.0001565 1.06 AML other m 2022-09-27T04:49:05.35
IV.FDMO.HHE. ML:1.5 0.00009955 0.42 AML other m 2022-09-27T04:49:07.70
IV.FDMO.HHN. ML:1.4 0.00007580000000000001 0.4 AML other m 2022-09-27T04:49:08.26
IV.MML1.EHN. ML:1.4 0.0000694 0.58 AML other m 2022-09-27T04:49:08.28
IV.ATCC.HNE. ML:1.8 0.00017749999999999998 0.64 AML other m 2022-09-27T04:49:09.42
IV.MMO1.EHE. ML:1.6 0.0000809 1.08 AML other m 2022-09-27T04:49:11.61
IV.MML1.EHE. ML:1.4 0.00006819999999999999 0.46 AML other m 2022-09-27T04:49:11.13
IV.MMO1.EHN. ML:1.6 0.00008925 0.42 AML other m 2022-09-27T04:49:11.42
IV.SMA1.EHE. ML:1.5 0.00007230000000000001 0.84 AML other m 2022-09-27T04:49:11.73
IV.SMA1.EHN. ML:1.6 0.00008225000000000001 1.18 AML other m 2022-09-27T04:49:12.71
IV.ATCC.HNN. ML:1.8 0.00016299999999999998 1.16 AML other m 2022-09-27T04:49:12.82
IV.GUMA.HHE. ML:1.8 0.00011899999999999999 1.04 AML other m 2022-09-27T04:49:14.73
IV.GUMA.HHN. ML:1.7 0.00009135 0.3 AML other m 2022-09-27T04:49:16.52
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