Earthquake with magnitude of ML 0.8 on date 24-09-2022 and time 07:16:40 (Italy) in region 4 km NE Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 24-09-2022 05:16:40 (UTC)
  • 24-09-2022 07:16:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7680, 12.7530 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 4 38218 38218
Campello sul Clitunno PG 6 2442 40660
Sant'Anatolia di Narco PG 8 564 41224
Scheggino PG 9 461 41685
Vallo di Nera PG 9 364 42049
Castel Ritaldi PG 9 3278 45327
Trevi PG 12 8469 53796
Cerreto di Spoleto PG 15 1075 54871
Giano dell'Umbria PG 16 3846 58717
Poggiodomo PG 16 117 58834
Montefalco PG 16 5679 64513
Ferentillo TR 17 1913 66426
Massa Martana PG 19 3770 70196
Acquasparta TR 19 4778 74974
Montefranco TR 19 1276 76250
Sellano PG 20 1079 77329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Foligno (57155 inhabitants)
25 Km NE of Terni (111501 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
79 Km W of Teramo (54892 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
100 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
Reviewed
Rev100
ML 0.8 2022-09-24
05:16:40
42.7675 12.7533 8 2022-09-24
05:25:38
Sala Sismica INGV-Roma 110081421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-24 05:16:40 ± 0.07
Latitude 42.7675 ± 0.0027
Longitude 12.7533 ± 0.0049
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 110081421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
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) 128
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 110081421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-24 05:25:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2022-09-24T05:16:57.16 0.6 undecidable manual S 108 0.4488 50 0.3 46
IV.RM33.EHZ. 2022-09-24T05:16:56.14 0.3 undecidable manual S 127 0.4263 50 -0.05 72
IV.FDMO.HHZ. 2022-09-24T05:16:54.36 0.3 undecidable manual S 42 0.3633 50 0.03 73
IV.MML1.EHZ. 2022-09-24T05:16:54.68 0.3 undecidable manual S 25 0.3813 50 -0.17 71
IV.MC2.EHZ. 2022-09-24T05:16:53.91 0.3 undecidable manual S 66 0.3498 50 -0.03 74
IV.ASSB.HHZ. 2022-09-24T05:16:51.79 0.3 undecidable manual S 346 0.2833 104 0.06 74
IV.NRCA.HHZ. 2022-09-24T05:16:51.19 0.3 undecidable manual S 76 0.2725 105 -0.13 73
IT.MTCL.HGZ. 2022-09-24T05:16:51.92 0.3 undecidable manual S 38 0.2896 104 -0.02 75
IV.LNSS.HHZ. 2022-09-24T05:16:50.85 0.3 undecidable manual S 128 0.2671 105 -0.27 71
IV.CESI.HHZ. 2022-09-24T05:16:50.94 0.3 undecidable manual S 25 0.2617 106 0.02 75
IV.RM33.EHZ. 2022-09-24T05:16:50.17 0.1 undecidable manual P 127 0.4263 50 0.63 83
IV.SMA1.EHZ. 2022-09-24T05:16:49.69 0.1 undecidable manual P 108 0.4488 50 -0.24 92
IV.FDMO.HHZ. 2022-09-24T05:16:48.38 0.1 undecidable manual P 42 0.3633 50 -0.08 97
IV.MC2.EHZ. 2022-09-24T05:16:48.03 0.6 undecidable manual P 66 0.3498 50 -0.21 47
IV.CESX.HHZ. 2022-09-24T05:16:48.66 0.3 undecidable manual S 218 0.2005 110 -0.01 76
IV.MML1.EHZ. 2022-09-24T05:16:48.54 1.0 undecidable manual P 25 0.3813 50 -0.22 23
IT.MTCL.HGZ. 2022-09-24T05:16:47.30 0.1 undecidable manual P 38 0.2896 104 0.22 96
IV.CESI.HHZ. 2022-09-24T05:16:46.56 0.1 undecidable manual P 25 0.2617 106 0.07 99
IV.NRCA.HHZ. 2022-09-24T05:16:46.69 0.1 undecidable manual P 76 0.2725 105 -0.04 100
IV.GAVE.EHZ. 2022-09-24T05:16:46.42 0.3 undecidable manual S 126 0.1277 120 0.3 73
IV.LNSS.HHZ. 2022-09-24T05:16:46.63 0.1 undecidable manual P 128 0.2671 105 0.02 100
IV.ASSB.HHZ. 2022-09-24T05:16:46.99 0.1 undecidable manual P 346 0.2833 104 0.03 99
IV.CESX.HHZ. 2022-09-24T05:16:45.01 0.3 undecidable manual P 218 0.2005 110 -0.18 73
IV.GAVE.EHZ. 2022-09-24T05:16:43.36 0.6 undecidable manual P 126 0.1277 120 -0.36 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.1 0.00006120000000000001 0.1 AML other m 2022-09-24T05:16:51.11
IV.CESI.HHN. ML:0.8 0.000030467239999999998 0.1568 AML other m 2022-09-24T05:16:51.33
IV.CESI.HHE. ML:0.5 0.00001520288 0.0608 AML other m 2022-09-24T05:16:51.42
IV.LNSS.HHN. ML:1.0 0.000057025225 0.1792 AML other m 2022-09-24T05:16:51.68
IV.ASSB.HHN. ML:0.7 0.0000248 1.7 AML other m 2022-09-24T05:16:51.96
IV.ASSB.HHE. ML:0.7 0.000025834095 0.16 AML other m 2022-09-24T05:16:53.16
IV.NRCA.HHE. ML:1.0 0.0000518 0.18 AML other m 2022-09-24T05:16:52.63
IV.NRCA.HHN. ML:0.9 0.00003655 0.08 AML other m 2022-09-24T05:16:53.16
IV.FDMO.HHE. ML:0.6 0.0000174 0.98 AML other m 2022-09-24T05:16:54.46
IV.FDMO.HHN. ML:0.6 0.000016300000000000003 0.38 AML other m 2022-09-24T05:16:54.86
IV.MC2.EHE. ML:0.9 0.000027636885 0.16 AML other m 2022-09-24T05:16:56.04
IV.MC2.EHN. ML:1.2 0.000054848850000000006 0.2208 AML other m 2022-09-24T05:16:55.67
IV.MML1.EHE. ML:0.5 0.000011029495 0.1408 AML other m 2022-09-24T05:16:55.27
IV.MML1.EHN. ML:0.5 0.000009666422500000001 0.2592 AML other m 2022-09-24T05:16:56.85
IV.SMA1.EHE. ML:0.9 0.000018228555 0.1792 AML other m 2022-09-24T05:16:58.71
IV.SMA1.EHN. ML:0.9 0.000017903445000000002 0.4608 AML other m 2022-09-24T05:16:57.42
IV.RM33.EHE. ML:0.6 0.000011620950000000001 0.2176 AML other m 2022-09-24T05:16:59.58
IV.RM33.EHN. ML:0.7 0.00001502138 0.16 AML other m 2022-09-24T05:16:57.91
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