Earthquake with magnitude of ML 0.9 on date 22-09-2020 and time 01:36:45 (UTC) in region 4 km E Nocera Umbra (PG)

A magnitude ML 0.9 earthquake occured in region: 4 km E Nocera Umbra (PG), on

  • 22-09-2020 01:36:45 (UTC)
  • 22-09-2020 03:36:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1260, 12.8430 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
Nocera Umbra PG 5 5839 5839
Sefro MC 9 422 6261
Fiuminata MC 10 1402 7663
Valtopina PG 10 1398 9061
Serravalle di Chienti MC 11 1070 10131
Gualdo Tadino PG 13 15208 25339
Pioraco MC 13 1134 26473
Esanatoglia MC 16 2034 28507
Muccia MC 17 915 29422
Camerino MC 18 6974 36396
Pieve Torina MC 19 1458 37854
Assisi PG 19 28299 66153
Monte Cavallo MC 20 145 66298
Castelraimondo MC 20 4587 70885
Fossato di Vico PG 20 2840 73725
Valfabbrica PG 20 3389 77114
Matelica MC 20 9981 87095

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
65 Km N of Terni (111501 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
81 Km S of Fano (60888 inhabitants)
87 Km E of Arezzo (99543 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
97 Km NW of L'Aquila (69753 inhabitants)
99 Km NE of Viterbo (67173 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 0.9 2020-09-22
01:36:45
43.1258 12.8433 10 2020-09-22
01:42:43
Sala Sismica INGV-Roma 83119551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-22 01:36:45 ± 0.04
Latitude 43.1258 ± 0.0027
Longitude 12.8433 ± 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 83119551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 173
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
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 29
Number of defining phases 28
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 83119551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-22 01:42:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2020-09-22T01:36:59.86 0.6 undecidable manual S 100 40.4262 50 0.67 41
IV.ARVD.HHZ. 2020-09-22T01:36:59.78 0.3 undecidable manual S 11 42.0246 50 0.17 70
IV.NRCA.HHZ. 2020-09-22T01:36:58.68 0.3 undecidable manual S 146 39.1275 50 -0.17 70
IV.SSFR.HHZ. 2020-09-22T01:36:57.60 0.3 undecidable manual S 352 34.743 50 -0.08 72
IV.EL6.EHZ. 2020-09-22T01:36:56.62 0.6 undecidable manual S 43 30.747 50 0.02 49
IV.CSP1.EHZ. 2020-09-22T01:36:56.23 0.3 undecidable manual S 97 29.5482 50 -0.04 73
IV.MURB.HHZ. 2020-09-22T01:36:56.70 0.3 undecidable manual S 301 29.9478 50 0.32 69
IV.MMO1.EHZ. 2020-09-22T01:36:54.25 3.0 negative manual P -0.26 0
IV.FOSV.EHZ. 2020-09-22T01:36:53.10 0.6 undecidable manual S 341 19.869 116 -0.28 47
IV.ARVD.HHZ. 2020-09-22T01:36:53.52 1.0 undecidable manual P 11 42.0246 50 -0.2 23
IV.FDMO.HHZ. 2020-09-22T01:36:53.90 0.6 undecidable manual S 117 22.1556 114 -0.18 48
IV.GUMA.HHZ. 2020-09-22T01:36:53.61 0.1 undecidable manual P 100 40.4262 50 0.13 94
IV.NRCA.HHZ. 2020-09-22T01:36:53.02 0.1 undecidable manual P 146 39.1275 50 -0.26 91
IV.SNTG.HHZ. 2020-09-22T01:36:52.22 0.6 undecidable manual S 29 16.3725 121 -0.09 49
IV.ASSB.HHZ. 2020-09-22T01:36:52.62 0.6 undecidable manual S 238 17.5713 119 -0.06 50
IV.SSFR.HHZ. 2020-09-22T01:36:52.36 1.0 undecidable manual P 352 34.743 50 -0.25 23
IV.ATCC.EHZ. 2020-09-22T01:36:52.98 0.6 undecidable manual S 292 17.7711 119 0.26 47
IV.CESI.HHZ. 2020-09-22T01:36:51.79 0.3 undecidable manual S 160 14.2746 125 0.08 74
IV.MURB.HHZ. 2020-09-22T01:36:51.81 0.6 positive manual P 301 29.9478 50 -0.05 49
IV.EL6.EHZ. 2020-09-22T01:36:51.85 0.3 positive manual P 43 30.747 50 -0.13 71
IV.CSP1.EHZ. 2020-09-22T01:36:51.59 0.6 positive manual P 97 29.5482 50 -0.2 47
IV.FDMO.HHZ. 2020-09-22T01:36:50.36 0.1 undecidable manual P 117 22.1556 114 -0.17 96
IV.MML1.HNE. 2020-09-22T01:36:50.90 0.3 undecidable manual S 97 10.4784 133 0.22 73
IV.ATCC.EHZ. 2020-09-22T01:36:49.87 1.0 positive manual P 292 17.7711 119 0.13 24
IV.CESI.HHZ. 2020-09-22T01:36:49.34 1.0 undecidable manual P 160 14.2746 125 0.18 24
IV.FOSV.EHZ. 2020-09-22T01:36:49.94 0.1 undecidable manual P 341 19.869 116 -0.19 96
IV.SNTG.HHZ. 2020-09-22T01:36:49.54 1.0 undecidable manual P 29 16.3725 121 0.04 25
IV.ASSB.HHZ. 2020-09-22T01:36:49.71 0.1 positive manual P 238 17.5713 119 -0.01 100
IV.MML1.HNE. 2020-09-22T01:36:48.81 0.1 undecidable manual P 97 10.4784 133 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.9 0.00007280000000000001 0.94 AML other m 2020-09-22T01:36:52.49
IV.SNTG.HHN. ML:1.0 0.0000777 0.08 AML other m 2020-09-22T01:36:52.55
IV.CESI.HHE. ML:0.5 0.000029650000000000002 0.52 AML other m 2020-09-22T01:36:52.36
IV.ATCC.EHE. ML:1.4 0.000183 0.28 AML other m 2020-09-22T01:36:53.18
IV.ATCC.EHN. ML:1.1 0.0001015 0.3 AML other m 2020-09-22T01:36:53.34
IV.ASSB.HHN. ML:0.8 0.000050950000000000005 0.26 AML other m 2020-09-22T01:36:53.13
IV.ASSB.HHE. ML:0.8 0.000048799999999999994 0.46 AML other m 2020-09-22T01:36:53.27
IV.FDMO.HHE. ML:1.0 0.00006825 0.16 AML other m 2020-09-22T01:36:54.13
IV.FDMO.HHN. ML:0.7 0.00003275 0.92 AML other m 2020-09-22T01:36:54.21
IV.CESI.HHN. ML:0.4 0.000025 0.44 AML other m 2020-09-22T01:36:56.00
IV.EL6.EHN. ML:1.5 0.00014299999999999998 0.1 AML other m 2020-09-22T01:36:57.15
IV.EL6.EHE. ML:1.5 0.00015050000000000003 1.24 AML other m 2020-09-22T01:36:57.79
IV.MURB.HHN. ML:1.1 0.00006115 1.58 AML other m 2020-09-22T01:36:57.97
IV.MURB.HHE. ML:1.2 0.00008094999999999999 1.1 AML other m 2020-09-22T01:36:57.17
IV.SSFR.HHE. ML:0.8 0.00002615 0.42 AML other m 2020-09-22T01:36:58.54
IV.NRCA.HHN. ML:0.9 0.00003075 0.42 AML other m 2020-09-22T01:36:59.00
IV.SSFR.HHN. ML:0.9 0.000030850000000000004 1.02 AML other m 2020-09-22T01:36:59.08
IV.GUMA.HHN. ML:1.2 0.00004765 0.42 AML other m 2020-09-22T01:37:00.10
IV.GUMA.HHE. ML:1.4 0.0000813 0.86 AML other m 2020-09-22T01:37:00.05
IV.NRCA.HHE. ML:0.9 0.000028449999999999997 1.02 AML other m 2020-09-22T01:37:00.71
IV.FOSV.EHE. ML:0.3 0.000014976104999999999 0.14 AML other m 2020-09-22T01:36:54.85
IV.FOSV.EHN. ML:0.4 0.000018005905 0.26 AML other m 2020-09-22T01:36:56.85
IV.CSP1.EHE. ML:1.1 0.000063634975 0.2 AML other m 2020-09-22T01:36:56.50
IV.CSP1.EHN. ML:1.1 0.00006104973 0.24 AML other m 2020-09-22T01:36:57.20
IV.ARVD.HHE. ML:0.7 0.0000137279885 0.1 AML other m 2020-09-22T01:36:59.00
IV.ARVD.HHN. ML:0.5 0.000010748783500000001 0.08 AML other m 2020-09-22T01:37:00.31
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