Earthquake with magnitude of ML 1.3 on date 16-10-2022 and time 17:48:35 (UTC) in region 2 km SW Spoleto (PG)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Spoleto (PG), on

  • 16-10-2022 17:48:35 (UTC)
  • 16-10-2022 19:48:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7170, 12.7320 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
Spoleto PG 2 38218 38218
Scheggino PG 8 461 38679
Sant'Anatolia di Narco PG 9 564 39243
Ferentillo TR 12 1913 41156
Campello sul Clitunno PG 12 2442 43598
Vallo di Nera PG 12 364 43962
Castel Ritaldi PG 13 3278 47240
Montefranco TR 14 1276 48516
Arrone TR 15 2763 51279
Acquasparta TR 15 4778 56057
Poggiodomo PG 17 117 56174
Polino TR 17 233 56407
Trevi PG 18 8469 64876
Giano dell'Umbria PG 18 3846 68722
Massa Martana PG 18 3770 72492
Terni TR 19 111501 183993
San Gemini TR 19 5018 189011
Cerreto di Spoleto PG 19 1075 190086
Monteleone di Spoleto PG 20 599 190685

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Terni (111501 inhabitants)
27 Km S of Foligno (57155 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
61 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
80 Km N of Guidonia Montecelio (88673 inhabitants)
80 Km W of Teramo (54892 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
94 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 1.3 2022-10-16
17:48:35
42.717 12.7315 10 2022-10-16
17:53:02
Sala Sismica INGV-Roma 110888861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-16 17:48:35 ± 0.04
Latitude 42.7170 ± 0.0036
Longitude 12.7315 ± 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 110888861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
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) 78
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 16
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61693
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 110888861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-16 17:53:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-10-16T17:48:58.68 3.0 undecidable manual S -0.15 0
IV.CSP1.EHZ. 2022-10-16T17:48:53.63 3.0 undecidable manual S -0.04 0
IV.MML1.EHZ. 2022-10-16T17:48:50.98 0.6 undecidable manual S 24 48.1185 50 0.29 44
IV.MC2.EHZ. 2022-10-16T17:48:50.09 3.0 undecidable manual S 0.39 0
IV.CESI.HHZ. 2022-10-16T17:48:47.11 0.6 undecidable manual S 24 34.9428 50 -0.05 48
IV.SACS.HHZ. 2022-10-16T17:48:47.58 1.0 undecidable manual P 283 68.4759 50 0.34 21
IV.ASSB.HHZ. 2022-10-16T17:48:47.53 0.6 undecidable manual S 351 36.6411 50 -0.08 47
IV.MF5.EHZ. 2022-10-16T17:48:47.05 3.0 negative manual P -0.13 0
IV.LNSS.HHZ. 2022-10-16T17:48:45.39 0.6 undecidable manual S 117 28.1496 50 0.02 49
IV.CSP1.EHZ. 2022-10-16T17:48:45.43 3.0 negative manual P -0.06 0
IV.MGAB.HHZ. 2022-10-16T17:48:45.54 1.0 undecidable manual P 294 54.9006 50 0.4 21
IV.SMA1.EHZ. 2022-10-16T17:48:44.60 3.0 negative manual P 0.03 0
IV.MML1.EHZ. 2022-10-16T17:48:44.03 0.6 positive manual P 24 48.1185 50 -0.07 47
IV.FDMO.HHZ. 2022-10-16T17:48:43.73 3.0 positive manual P 0.07 0
IV.RM33.EHZ. 2022-10-16T17:48:43.64 3.0 negative manual P -0.22 0
IV.MMO1.EHZ. 2022-10-16T17:48:43.22 3.0 undecidable manual P -1.65 0
IV.ASSB.HHZ. 2022-10-16T17:48:42.11 0.6 negative manual P 351 36.6411 50 -0.21 46
IV.CESX.HHZ. 2022-10-16T17:48:41.80 0.6 undecidable manual S 225 16.872 120 -0.05 49
IV.CESI.HHZ. 2022-10-16T17:48:41.97 0.6 positive manual P 24 34.9428 50 -0.09 47
IV.NRCA.HHZ. 2022-10-16T17:48:41.69 3.0 negative manual P -0.04 0
IV.GAVE.EHZ. 2022-10-16T17:48:40.93 0.6 undecidable manual S 102 13.5753 126 0.04 50
IV.LNSS.HHZ. 2022-10-16T17:48:40.89 0.3 negative manual P 117 28.1496 50 -0.14 71
IT.GNU.HGN. 2022-10-16T17:48:38.91 0.1 undecidable manual P 306 16.2726 121 0.01 100
IV.GAVE.EHZ. 2022-10-16T17:48:38.42 0.1 positive manual P 102 13.5753 126 -0.02 100
IV.CESX.HHZ. 2022-10-16T17:48:38.80 0.6 positive manual P 225 16.872 120 -0.2 48
IV.ARRO.EHZ. 2022-10-16T17:48:38.95 0.3 negative manual P 170 15.5733 122 0.18 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.0 0.0001048 0.26 AML other m 2022-10-16T17:48:43.24
IV.ARRO.EHN. ML:1.1 0.0001315 1.52 AML other m 2022-10-16T17:48:43.90
IV.CESX.HHE. ML:1.5 0.000264 0.56 AML other m 2022-10-16T17:48:44.67
IV.CESX.HHN. ML:1.5 0.0002895 0.32 AML other m 2022-10-16T17:48:44.82
IV.LNSS.HHE. ML:1.4 0.0001305 0.88 AML other m 2022-10-16T17:48:45.92
IV.CESI.HHN. ML:1.5 0.000123 0.24 AML other m 2022-10-16T17:48:47.26
IV.CESI.HHE. ML:1.2 0.0000615 0.5 AML other m 2022-10-16T17:48:47.91
IV.ASSB.HHE. ML:1.5 0.0001295 0.32 AML other m 2022-10-16T17:48:48.09
IV.LNSS.HHN. ML:1.4 0.00011899999999999999 0.3 AML other m 2022-10-16T17:48:48.37
IV.ASSB.HHN. ML:1.4 0.00009735 1.04 AML other m 2022-10-16T17:48:48.45
IV.NRCA.HHN. ML:1.4 0.000096 0.86 AML other m 2022-10-16T17:48:48.04
IV.NRCA.HHE. ML:1.4 0.0001205 0.32 AML other m 2022-10-16T17:48:48.74
IV.MML1.EHE. ML:1.2 0.0000461 0.14 AML other m 2022-10-16T17:48:51.43
IV.MML1.EHN. ML:1.2 0.0000453 0.14 AML other m 2022-10-16T17:48:51.63
IV.FDMO.HHE. ML:1.1 0.00004155 1.24 AML other m 2022-10-16T17:48:51.17
IV.FDMO.HHN. ML:1.1 0.0000366 1.82 AML other m 2022-10-16T17:48:52.04
IV.RM33.EHN. ML:1.1 0.0000339 1.28 AML other m 2022-10-16T17:48:53.13
IV.SMA1.EHE. ML:1.5 0.00007494999999999999 0.94 AML other m 2022-10-16T17:48:53.20
IV.SMA1.EHN. ML:1.3 0.00004770000000000001 0.42 AML other m 2022-10-16T17:48:53.57
IV.RM33.EHE. ML:1.1 0.0000362 0.22 AML other m 2022-10-16T17:48:55.01
IV.MGAB.HHE. ML:1.1 0.000030150000000000004 0.6 AML other m 2022-10-16T17:48:55.38
IV.MGAB.HHN. ML:1.1 0.00003205 1.44 AML other m 2022-10-16T17:48:55.27
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download