Earthquake with magnitude of ML 0.2 on date 19-10-2021 and time 16:33:09 (UTC) in region 3 km E Sigillo (PG)

A magnitude ML 0.2 earthquake occured in region: 3 km E Sigillo (PG), on

  • 19-10-2021 16:33:09 (UTC)
  • 19-10-2021 18:33:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3220, 12.7800 at 12 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
Sigillo PG 3 2404 2404
Fossato di Vico PG 3 2840 5244
Costacciaro PG 7 1216 6460
Gualdo Tadino PG 10 15208 21668
Fabriano AN 10 31480 53148
Scheggia e Pascelupo PG 13 1393 54541
Sassoferrato AN 14 7285 61826
Esanatoglia MC 16 2034 63860
Cerreto d'Esi AN 17 3817 67677
Gubbio PG 17 32216 99893
Genga AN 17 1797 101690
Serra Sant'Abbondio PU 19 1027 102717
Fiuminata MC 19 1402 104119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Perugia (166134 inhabitants)
41 Km N of Foligno (57155 inhabitants)
61 Km SW of Fano (60888 inhabitants)
66 Km S of Pesaro (94582 inhabitants)
68 Km W of Ancona (100861 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
84 Km S of Rimini (147750 inhabitants)
85 Km N of Terni (111501 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 0.2 2021-10-19
16:33:09
43.3222 12.7803 12 2022-03-30
13:04:15
Bollettino Sismico Italiano INGV 97362931
Reviewed
Rev100
ML 0.4 2021-10-19
16:33:09
43.3257 12.7815 13 2021-10-19
16:42:53
Sala Sismica INGV-Roma 96766401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-19 16:33:09 ± 0.06
Latitude 43.3222 ± 0.0027
Longitude 12.7803 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97362931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.58096
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 97362931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-09 12:13:17

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 96766401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-19 16:42:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-10-19T16:33:20.37 0.6 undecidable manual P 136 64.491 91 -0.17 44
IV.MML1.HNE. 2021-10-19T16:33:19.00 0.6 undecidable manual S 146 27.8499 95 -0.09 48
IV.PIEI.HHZ. 2021-10-19T16:33:19.73 1.0 undecidable manual S 320 30.8469 94 -0.16 23
IV.ARVD.HHE. 2021-10-19T16:33:18.00 0.6 undecidable manual S 34 23.4543 97 0.08 48
IV.ATBU.EHZ. 2021-10-19T16:33:18.59 0.3 undecidable manual S 312 25.2525 96 0.18 71
IV.MURB.HHZ. 2021-10-19T16:33:17.38 0.3 undecidable manual S 252 21.6672 98 -0.07 72
IV.NARO.HHZ. 2021-10-19T16:33:16.14 0.6 undecidable manual P 333 35.8419 93 0.01 48
IV.ATCC.EHZ. 2021-10-19T16:33:16.80 0.3 undecidable manual S 217 18.9699 101 0.06 73
IV.SSFR.HHZ. 2021-10-19T16:33:15.54 0.6 undecidable manual S 1 12.6762 118 0.39 46
IV.PIEI.HHZ. 2021-10-19T16:33:15.04 0.1 undecidable manual P 320 30.8469 94 -0.32 90
IV.ATSC.EHE. 2021-10-19T16:33:15.26 0.6 undecidable manual S 326 13.5753 115 -0.11 48
IV.MML1.HNE. 2021-10-19T16:33:15.18 0.3 undecidable manual P 146 27.8499 95 0.28 69
IV.SNTG.HHZ. 2021-10-19T16:33:15.63 0.3 undecidable manual S 120 14.9739 110 -0.07 74
IV.ATBU.EHZ. 2021-10-19T16:33:14.57 0.1 undecidable manual P 312 25.2525 96 0.06 96
IV.MURB.HHZ. 2021-10-19T16:33:14.07 0.3 undecidable manual P 252 21.6672 98 0.12 72
IV.FOSV.EHZ. 2021-10-19T16:33:13.36 0.3 undecidable manual S 207 3.3966 160 -0.16 73
IV.ATCC.EHZ. 2021-10-19T16:33:13.58 0.3 undecidable manual P 217 18.9699 101 0.03 73
IV.SSFR.HHZ. 2021-10-19T16:33:13.00 0.3 undecidable manual P 1 12.6762 118 0.37 69
IV.FRON.EHZ. 2021-10-19T16:33:13.74 1.0 undecidable manual P 349 22.1556 98 -0.29 23
IV.SNTG.HHZ. 2021-10-19T16:33:13.01 0.3 undecidable manual P 120 14.9739 110 0.07 73
IV.ARVD.HHE. 2021-10-19T16:33:13.92 0.1 undecidable manual P 34 23.4543 97 -0.31 92
IV.ATSC.EHE. 2021-10-19T16:33:12.69 0.1 undecidable manual P 326 13.5753 115 -0.07 98
IV.FOSV.EHZ. 2021-10-19T16:33:11.77 0.1 undecidable manual P 207 3.3966 160 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.2 0.000021578229999999998 0.1792 AML other m 2021-10-19T16:33:13.51
IV.FOSV.EHN. ML:0.5 0.00004395092000000001 0.0896 AML other m 2021-10-19T16:33:13.44
IV.SNTG.HHN. ML:0.1 0.000012260445 1.536 AML other m 2021-10-19T16:33:15.97
IV.SNTG.HHE. ML:0.1 0.0000115919745 0.9344 AML other m 2021-10-19T16:33:16.21
IV.ATCC.EHE. ML:0.4 0.00002123607 0.768 AML other m 2021-10-19T16:33:17.61
IV.ATCC.EHN. ML:0.3 0.000014975205 0.5248 AML other m 2021-10-19T16:33:17.03
IV.PIEI.HHN. ML:0.0 0.000007314813499999999 1.536 AML other m 2021-10-19T16:33:19.78
IV.PIEI.HHE. ML:0.0 0.0000066852244999999995 0.1024 AML other m 2021-10-19T16:33:20.47
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