Earthquake with magnitude of ML 1.4 on date 28-10-2022 and time 22:04:50 (Italy) in region 5 km N Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: 5 km N Spoleto (PG), on

  • 28-10-2022 20:04:50 (UTC)
  • 28-10-2022 22:04:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7800, 12.7300 at 8 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 5 38218 38218
Campello sul Clitunno PG 6 2442 40660
Castel Ritaldi PG 7 3278 43938
Sant'Anatolia di Narco PG 10 564 44502
Vallo di Nera PG 11 364 44866
Trevi PG 11 8469 53335
Scheggino PG 11 461 53796
Giano dell'Umbria PG 14 3846 57642
Montefalco PG 14 5679 63321
Cerreto di Spoleto PG 16 1075 64396
Massa Martana PG 17 3770 68166
Acquasparta TR 18 4778 72944
Ferentillo TR 18 1913 74857
Poggiodomo PG 18 117 74974
Foligno PG 20 57155 132129
Bevagna PG 20 5081 137210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Foligno (57155 inhabitants)
25 Km N of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
81 Km W of Teramo (54892 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
91 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 1.4 2022-10-28
20:04:50
42.7802 12.7303 8 2022-10-28
20:11:52
Sala Sismica INGV-Roma 111261811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-28 20:04:50 ± 0.05
Latitude 42.7802 ± 0.0027
Longitude 12.7303 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 111261811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76802
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 111261811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-28 20:11:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2022-10-28T20:06:01.45 3.0 undecidable manual Sn -0.33 0
IV.ZCCA.HHZ. 2022-10-28T20:05:56.84 3.0 undecidable manual Sg 8.69 0
IV.PTRJ.HHZ. 2022-10-28T20:05:46.77 3.0 undecidable manual Sn 0.79 0
IV.LRP.EHZ. 2022-10-28T20:05:28.86 3.0 undecidable manual S -1.19 0
IV.ATMI.HHZ. 2022-10-28T20:05:13.18 3.0 undecidable manual S 0
IV.EL6.EHZ. 2022-10-28T20:05:11.84 0.6 undecidable manual S 26 67.9764 50 0.22 46
IV.MTRA.HNZ. 2022-10-28T20:05:08.20 0.3 undecidable manual S 93 54.3012 50 0.22 70
IV.CSP1.EHZ. 2022-10-28T20:05:07.30 0.6 undecidable manual S 48 51.8037 50 -0.01 49
IV.RM33.EHZ. 2022-10-28T20:05:06.80 0.6 undecidable manual S 127 49.617 50 0.05 49
IV.PIEI.HHZ. 2022-10-28T20:05:05.98 0.6 positive manual P 349 85.248 50 0.69 39
IV.MC2.EHZ. 2022-10-28T20:05:04.37 0.3 undecidable manual S 69 40.0266 50 0.19 72
IV.FDMO.HHZ. 2022-10-28T20:05:03.66 0.6 undecidable manual S 45 40.626 50 -0.68 42
IV.MF5.EHZ. 2022-10-28T20:05:02.29 0.1 undecidable manual P 69 63.5919 50 0.34 89
IV.EL6.EHZ. 2022-10-28T20:05:02.40 0.1 undecidable manual P 26 67.9764 50 -0.22 91
IV.SACS.HHZ. 2022-10-28T20:05:02.78 1.0 undecidable manual P 277 67.1772 50 0.28 23
IV.ASSB.HHZ. 2022-10-28T20:05:01.28 0.6 undecidable manual S 349 29.6481 105 0.31 48
IV.NRCA.HHZ. 2022-10-28T20:05:01.70 0.3 undecidable manual S 79 31.8459 104 0.03 76
IV.ATMI.HHZ. 2022-10-28T20:05:01.80 3.0 undecidable manual P 0
IV.LNSS.HHZ. 2022-10-28T20:05:01.68 0.6 undecidable manual S 128 32.0457 104 -0.07 50
IV.MTRA.HNZ. 2022-10-28T20:05:00.27 0.3 undecidable manual P 93 54.3012 50 -0.24 70
IV.SMA1.EHZ. 2022-10-28T20:05:00.16 0.6 negative manual P 108 52.0035 50 -0.01 49
IV.CESI.HHZ. 2022-10-28T20:05:00.63 0.6 undecidable manual S 30 28.6491 105 0.01 51
IV.MGAB.HHZ. 2022-10-28T20:05:00.23 0.1 undecidable manual P 287 52.4031 50 0.01 98
IV.RM33.EHZ. 2022-10-28T20:04:59.40 1.0 positive manual P 127 49.617 50 -0.4 23
IV.CSP1.EHZ. 2022-10-28T20:04:59.88 0.6 positive manual P 48 51.8037 50 -0.24 47
IV.ATCC.EHZ. 2022-10-28T20:04:59.18 0.1 undecidable manual P 351 45.5211 50 0.02 99
IV.FDMO.HHZ. 2022-10-28T20:04:58.08 1.0 undecidable manual P 45 40.626 50 -0.33 23
IV.CESX.HHZ. 2022-10-28T20:04:58.45 0.3 undecidable manual S 212 22.3554 109 -0.08 76
IV.MC2.EHZ. 2022-10-28T20:04:58.22 0.6 positive manual P 69 40.0266 50 -0.1 49
IV.ARRO.EHZ. 2022-10-28T20:04:58.65 0.6 undecidable manual S 173 22.4553 109 0.08 51
IV.GAVE.EHZ. 2022-10-28T20:04:57.08 0.6 undecidable manual S 126 16.5723 115 0.42 48
IV.LNSS.HHZ. 2022-10-28T20:04:56.76 0.1 negative manual P 128 32.0457 104 -0.16 98
IV.CESI.HHZ. 2022-10-28T20:04:56.19 0.6 positive manual P 30 28.6491 105 -0.08 50
IV.ASSB.HHZ. 2022-10-28T20:04:56.37 0.1 undecidable manual P 349 29.6481 105 -0.1 100
IV.NRCA.HHZ. 2022-10-28T20:04:56.65 0.1 positive manual P 79 31.8459 104 -0.23 97
IV.ARRO.EHZ. 2022-10-28T20:04:55.25 0.6 negative manual P 173 22.4553 109 0.17 50
IV.GAVE.EHZ. 2022-10-28T20:04:54.23 0.6 positive manual P 126 16.5723 115 0.25 50
IV.CESX.HHZ. 2022-10-28T20:04:54.91 0.3 positive manual P 212 22.3554 109 -0.15 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.5 0.000288 0.94 AML other m 2022-10-28T20:04:57.33
IV.GAVE.EHE. ML:1.7 0.000437 0.14 AML other m 2022-10-28T20:04:58.46
IV.CESX.HHE. ML:1.5 0.0002065 0.82 AML other m 2022-10-28T20:04:59.10
IV.CESX.HHN. ML:1.6 0.00029049999999999996 0.22 AML other m 2022-10-28T20:05:00.86
IV.CESI.HHN. ML:1.6 0.0002305 0.24 AML other m 2022-10-28T20:05:00.98
IV.ARRO.EHE. ML:1.1 0.00008995 0.22 AML other m 2022-10-28T20:05:01.25
IV.ASSB.HHE. ML:1.5 0.00014500000000000003 0.2 AML other m 2022-10-28T20:05:01.27
IV.ARRO.EHN. ML:1.1 0.00009379999999999999 0.62 AML other m 2022-10-28T20:05:01.59
IV.NRCA.HHN. ML:1.4 0.000128 1.38 AML other m 2022-10-28T20:05:01.25
IV.LNSS.HHE. ML:1.6 0.000168 1.08 AML other m 2022-10-28T20:05:02.61
IV.NRCA.HHE. ML:1.6 0.000179 1.26 AML other m 2022-10-28T20:05:02.95
IV.ASSB.HHN. ML:1.3 0.0000965 0.28 AML other m 2022-10-28T20:05:02.19
IV.LNSS.HHN. ML:1.6 0.000186 1.2 AML other m 2022-10-28T20:05:02.19
IV.CESI.HHE. ML:1.3 0.0000968 1.76 AML other m 2022-10-28T20:05:02.89
IV.FDMO.HHN. ML:1.2 0.00006085 1.38 AML other m 2022-10-28T20:05:05.03
IV.FDMO.HHE. ML:1.4 0.0000866 1.16 AML other m 2022-10-28T20:05:05.09
IV.ATCC.EHE. ML:1.4 0.0000804 0.62 AML other m 2022-10-28T20:05:06.38
IV.ATCC.EHN. ML:1.4 0.00007465000000000001 0.64 AML other m 2022-10-28T20:05:07.33
IV.CSP1.EHE. ML:1.8 0.0001665 0.44 AML other m 2022-10-28T20:05:07.63
IV.RM33.EHE. ML:1.0 0.0000286 0.58 AML other m 2022-10-28T20:05:08.42
IV.CSP1.EHN. ML:1.7 0.00012859999999999998 0.86 AML other m 2022-10-28T20:05:09.22
IV.MGAB.HHN. ML:1.4 0.0000648 0.22 AML other m 2022-10-28T20:05:09.83
IV.MGAB.HHE. ML:1.5 0.00007275 0.2 AML other m 2022-10-28T20:05:10.10
IV.SMA1.EHN. ML:1.4 0.00006035 1.04 AML other m 2022-10-28T20:05:10.52
IV.SMA1.EHE. ML:1.3 0.0000514 0.7 AML other m 2022-10-28T20:05:11.01
IV.RM33.EHN. ML:1.1 0.0000368 0.28 AML other m 2022-10-28T20:05:11.42
IV.PIEI.HHN. ML:1.1 0.000014949999999999997 0.6 AML other m 2022-10-28T20:05:19.33
IV.PIEI.HHE. ML:1.1 0.000017 0.46 AML other m 2022-10-28T20:05:19.64
GU.GRAM.HHE. ML:2.8 0.00007929999999999999 0.06 AML other m 2022-10-28T20:06:03.57
GU.GRAM.HHN. ML:3.0 0.00014600000000000003 0.16 AML other m 2022-10-28T20:06:03.49
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