Earthquake with magnitude of ML 1.1 on date 04-11-2021 and time 02:16:38 (Italy) in region 7 km S Serra Sant'Abbondio (PU)

A magnitude ML 1.1 earthquake occured in region: 7 km S Serra Sant'Abbondio (PU), on

  • 04-11-2021 01:16:38 (UTC)
  • 04-11-2021 02:16:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4320, 12.7650 at 14 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
Serra Sant'Abbondio PU 7 1027 1027
Sassoferrato AN 8 7285 8312
Scheggia e Pascelupo PG 8 1393 9705
Costacciaro PG 9 1216 10921
Frontone PU 10 1300 12221
Sigillo PG 11 2404 14625
Cantiano PU 12 2245 16870
Genga AN 14 1797 18667
Fossato di Vico PG 15 2840 21507
Fabriano AN 16 31480 52987
Pergola PU 16 6333 59320
Cagli PU 16 8731 68051
Arcevia AN 16 4612 72663
Gubbio PG 17 32216 104879

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
50 Km SW of Fano (60888 inhabitants)
53 Km N of Foligno (57155 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
72 Km S of Rimini (147750 inhabitants)
89 Km SE of Cesena (96758 inhabitants)
97 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
Reviewed
Rev100
ML 1.1 2021-11-04
01:16:38
43.4318 12.765 15 2021-11-04
01:25:07
Sala Sismica INGV-Roma 97231961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-04 01:16:38 ± 0.14
Latitude 43.4318 ± 0.0036
Longitude 12.7650 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97231961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28059
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 97231961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-04 01:25:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VULT.HHZ. 2021-11-04T01:18:18.23 3.0 undecidable manual Sg 8.93 0
IV.HVIT.HHZ. 2021-11-04T01:18:17.28 3.0 undecidable manual Pn 1.69 0
IX.NSC3.EHZ.02 2021-11-04T01:18:16.04 3.0 undecidable manual Sg 9.96 0
MN.KEK.HHZ. 2021-11-04T01:18:16.32 3.0 positive manual Pn 2.73 0
IX.SNR3.EHZ.02 2021-11-04T01:18:11.23 3.0 undecidable manual Sn 2.16 0
IV.MSSA.HHZ. 2021-11-04T01:18:05.55 3.0 undecidable manual Sg 12.18 0
IV.ICAI.EHZ. 2021-11-04T01:17:55.48 3.0 undecidable manual Sn -4.1 0
IV.MTSN.HHZ. 2021-11-04T01:17:48.36 3.0 undecidable manual Pg 10.11 0
IV.TST01.HHZ. 2021-11-04T01:17:44.54 3.0 undecidable manual Sg 4.31 0
IV.CMPR.HHZ. 2021-11-04T01:17:42.87 3.0 undecidable manual Pg 7.7 0
IX.SFL3.HNZ.01 2021-11-04T01:17:42.45 3.0 negative manual Pg 11.1 0
IV.GRIS.EHZ. 2021-11-04T01:17:40.95 3.0 undecidable manual Pn -3.99 0
IX.SNR3.EHZ.02 2021-11-04T01:17:29.06 3.0 negative manual Pn -0.61 0
IX.CLT3.HNZ.01 2021-11-04T01:17:27.65 3.0 undecidable manual Pn -1.36 0
IX.NSC3.EHZ.02 2021-11-04T01:17:25.50 3.0 negative manual Pn -2.49 0
IV.SGRT.HHZ. 2021-11-04T01:17:25.72 3.0 positive manual Pn 2.79 0
IV.FIR.HHZ. 2021-11-04T01:17:19.76 3.0 undecidable manual S -0.39 0
IV.FNVD.HHZ. 2021-11-04T01:17:06.57 3.0 undecidable manual Pg 1.02 0
IV.APEC.HHE. 2021-11-04T01:16:50.24 0.3 undecidable manual S 297 31.1466 100 0.43 67
IV.ATPI.EHZ. 2021-11-04T01:16:49.57 0.3 undecidable manual S 274 29.2485 101 0.24 70
IV.ATCC.EHZ. 2021-11-04T01:16:49.60 0.1 undecidable manual S 200 29.1486 102 0.3 91
IV.PIEI.HHZ. 2021-11-04T01:16:47.06 0.1 undecidable manual S 302 21.7671 109 -0.34 90
IV.ARVD.HHZ. 2021-11-04T01:16:46.08 0.3 undecidable manual S 63 15.9729 119 0.1 72
IV.FOSV.EHZ. 2021-11-04T01:16:45.62 0.1 undecidable manual S 181 15.1737 121 -0.17 96
IV.APEC.HHE. 2021-11-04T01:16:45.34 0.3 undecidable manual P 297 31.1466 100 0.11 71
IV.ATCC.EHZ. 2021-11-04T01:16:44.94 0.1 undecidable manual P 200 29.1486 102 0.01 96
IV.FRON.EHZ. 2021-11-04T01:16:44.74 0.1 undecidable manual S 342 10.0788 137 0.02 99
IV.NARO.HHZ. 2021-11-04T01:16:44.17 3.0 undecidable manual Pg -1.07 0
IV.ATSC.EHE. 2021-11-04T01:16:44.07 0.1 undecidable manual S 262 6.3936 151 -0.07 99
IV.ATPI.EHZ. 2021-11-04T01:16:44.75 0.3 undecidable manual P 274 29.2485 101 -0.2 69
IV.PIEI.HHZ. 2021-11-04T01:16:43.63 0.1 undecidable manual P 302 21.7671 109 -0.2 93
IV.ARVD.HHZ. 2021-11-04T01:16:43.21 0.3 undecidable manual P 63 15.9729 119 0.2 71
IV.FRON.EHZ. 2021-11-04T01:16:42.31 0.1 undecidable manual P 342 10.0788 137 0.02 99
IV.FOSV.EHZ. 2021-11-04T01:16:42.82 0.1 undecidable manual P 181 15.1737 121 -0.09 97
IV.SSFR.HHZ. 2021-11-04T01:16:41.90 3.0 positive manual P 1 0
IV.ATSC.EHE. 2021-11-04T01:16:41.97 0.1 undecidable manual P 262 6.3936 151 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:1.0 0.0000619 0.32 AML other m 2021-11-04T01:16:48.55
IV.NARO.HHN. ML:1.1 0.00006395 0.14 AML other m 2021-11-04T01:16:48.61
IV.SSFR.HHE. ML:1.4 0.0003153107 0.12 AML other m 2021-11-04T01:16:44.31
IV.SSFR.HHN. ML:1.6 0.0005329053500000001 0.16 AML other m 2021-11-04T01:16:43.88
IV.SSFR.HNE. ML:1.7 0.0006841694 0.0496 AML other m 2021-11-04T01:16:44.15
IV.SSFR.HNN. ML:1.9 0.0010374165 0.0504 AML other m 2021-11-04T01:16:44.08
IV.FRON.EHE. ML:0.8 0.000055246165 0.12 AML other m 2021-11-04T01:16:44.87
IV.FRON.EHN. ML:0.9 0.00008412043999999999 0.06 AML other m 2021-11-04T01:16:45.98
IV.FOSV.EHE. ML:0.8 0.000043400649999999996 0.08 AML other m 2021-11-04T01:16:45.74
IV.FOSV.EHN. ML:0.8 0.000046944520000000006 0.14 AML other m 2021-11-04T01:16:45.83
IV.PIEI.HHN. ML:0.8 0.00003395235 1.44 AML other m 2021-11-04T01:16:48.37
IV.ATCC.EHE. ML:1.3 0.00008568779 0.16 AML other m 2021-11-04T01:16:49.94
IV.ATCC.EHN. ML:1.2 0.000063038235 0.14 AML other m 2021-11-04T01:16:50.02
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