Earthquake with magnitude of ML 0.7 on date 31-10-2020 and time 04:26:05 (Italy) in region 8 km NW Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 8 km NW Sellano (PG), on

  • 31-10-2020 03:26:05 (UTC)
  • 31-10-2020 04:26:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9470, 12.8710 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
Sellano PG 8 1079 1079
Monte Cavallo MC 12 145 1224
Trevi PG 13 8469 9693
Foligno PG 14 57155 66848
Cerreto di Spoleto PG 15 1075 67923
Serravalle di Chienti MC 16 1070 68993
Preci PG 16 724 69717
Valtopina PG 16 1398 71115
Campello sul Clitunno PG 16 2442 73557
Spello PG 17 8645 82202
Visso MC 18 1107 83309
Pieve Torina MC 18 1458 84767
Montefalco PG 19 5679 90446
Nocera Umbra PG 19 5839 96285
Vallo di Nera PG 20 364 96649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
99 Km SE of Arezzo (99543 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 0.7 2020-10-31
03:26:05
42.9473 12.871 11 2020-10-31
03:50:49
Sala Sismica INGV-Roma 84303651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-31 03:26:05 ± 0.05
Latitude 42.9473 ± 0.0036
Longitude 12.8710 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84303651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 416
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.29138
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:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 84303651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-31 03:50:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-10-31T03:26:16.39 0.6 undecidable manual S 237 29.1486 50 0.27 46
IV.CSP1.EHZ. 2020-10-31T03:26:16.97 0.6 undecidable manual S 59 31.4463 50 0.24 47
IV.ATCC.EHZ. 2020-10-31T03:26:16.98 0.6 undecidable manual S 325 32.3454 50 0.01 49
IV.GAVE.HNN. 2020-10-31T03:26:15.91 0.6 undecidable manual S 176 28.3494 50 0.01 49
IV.NRCA.HHZ. 2020-10-31T03:26:14.51 0.6 undecidable manual S 122 23.4543 50 -0.08 49
IV.ASSB.HHZ. 2020-10-31T03:26:13.44 0.6 undecidable manual S 302 20.1687 117 -0.21 48
IV.FDMO.HHZ. 2020-10-31T03:26:13.37 0.6 undecidable manual S 61 20.1687 118 -0.26 47
IV.MML1.HNZ. 2020-10-31T03:26:13.66 0.6 undecidable manual S 24 20.1687 118 0.03 50
IV.CSP1.EHZ. 2020-10-31T03:26:12.20 0.6 positive manual P 59 31.4463 50 0.11 48
IV.FEMA.HNE. 2020-10-31T03:26:12.36 0.3 undecidable manual S 83 14.5743 126 0.37 70
IV.ATCC.EHZ. 2020-10-31T03:26:12.22 0.3 negative manual P 325 32.3454 50 -0.01 73
IT.FOPC.HGN. 2020-10-31T03:26:12.05 0.6 undecidable manual S 280 13.875 127 0.27 48
IT.MTCL.HGE. 2020-10-31T03:26:11.24 0.6 undecidable manual S 64 11.5773 132 0.06 50
IV.GAVE.HNN. 2020-10-31T03:26:11.51 0.1 undecidable manual P 176 28.3494 50 -0.1 96
IV.MOMA.HHZ. 2020-10-31T03:26:11.74 1.0 undecidable manual P 237 29.1486 50 0 25
IV.ASSB.HHZ. 2020-10-31T03:26:10.20 0.1 negative manual P 302 20.1687 117 -0.11 98
IV.FDMO.HHZ. 2020-10-31T03:26:10.34 0.1 undecidable manual P 61 20.1687 118 0.04 99
IV.MML1.HNZ. 2020-10-31T03:26:10.19 0.1 undecidable manual P 24 20.1687 118 -0.11 98
IV.CESI.HHZ. 2020-10-31T03:26:10.28 0.6 undecidable manual S 23 6.993 147 0.17 49
IV.NRCA.HHZ. 2020-10-31T03:26:10.84 0.1 negative manual P 122 23.4543 50 -0.01 99
IT.FOPC.HGN. 2020-10-31T03:26:09.19 0.1 undecidable manual P 280 13.875 127 -0.04 100
IV.FEMA.HNE. 2020-10-31T03:26:09.19 0.6 undecidable manual P 83 14.5743 126 -0.16 49
IV.CESI.HHZ. 2020-10-31T03:26:08.58 0.1 undecidable manual P 23 6.993 147 0.31 96
IT.MTCL.HGE. 2020-10-31T03:26:08.39 0.1 undecidable manual P 64 11.5773 132 -0.5 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.7 0.00008210764 0.0592 AML other m 2020-10-31T03:26:10.41
IV.CESI.HHN. ML:0.8 0.0000899716 0.1008 AML other m 2020-10-31T03:26:10.76
IV.CESI.HNE. ML:0.9 0.0001190435 0.4704 AML other m 2020-10-31T03:26:10.64
IV.CESI.HNN. ML:1.0 0.00013743885 0.7296 AML other m 2020-10-31T03:26:10.70
IV.ASSB.HHE. ML:0.4 0.000021410325000000002 0.16 AML other m 2020-10-31T03:26:13.74
IV.ASSB.HHN. ML:0.3 0.0000142906465 0.0816 AML other m 2020-10-31T03:26:14.01
IV.FDMO.HHE. ML:0.5 0.00002363204 0.12 AML other m 2020-10-31T03:26:14.14
IV.FDMO.HHN. ML:0.4 0.000018984045 0.08 AML other m 2020-10-31T03:26:13.55
IV.NRCA.HHE. ML:0.6 0.00002681525 0.1792 AML other m 2020-10-31T03:26:14.67
IV.NRCA.HHN. ML:0.7 0.000031640125000000004 0.0992 AML other m 2020-10-31T03:26:14.59
IV.NRCA.HNE. ML:1.3 0.00012827705 0.56 AML other m 2020-10-31T03:26:17.23
IV.NRCA.HNN. ML:1.5 0.00020164114999999999 0.96 AML other m 2020-10-31T03:26:17.10
IV.MOMA.HHE. ML:0.5 0.000016856905999999998 0.2 AML other m 2020-10-31T03:26:17.31
IV.MOMA.HHN. ML:0.3 0.000009804606 0.12 AML other m 2020-10-31T03:26:16.63
IV.MOMA.HNN. ML:1.6 0.00017517895 1.2192 AML other m 2020-10-31T03:26:16.93
IV.CSP1.EHE. ML:0.9 0.00003565982 0.0784 AML other m 2020-10-31T03:26:17.21
IV.CSP1.EHN. ML:1.1 0.000057401969999999995 0.32 AML other m 2020-10-31T03:26:17.16
IV.ATCC.EHE. ML:0.5 0.000013834101 0.1808 AML other m 2020-10-31T03:26:17.28
IV.ATCC.EHN. ML:0.5 0.0000130024635 0.1392 AML other m 2020-10-31T03:26:17.94
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