Earthquake with magnitude of ML 1.0 on date 02-09-2021 and time 04:13:23 (Italy) in region 6 km NE Valfabbrica (PG)

A magnitude ML 1.0 earthquake occured in region: 6 km NE Valfabbrica (PG), on

  • 02-09-2021 02:13:23 (UTC)
  • 02-09-2021 04:13:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2120, 12.6260 at 11 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
Valfabbrica PG 6 3389 3389
Gualdo Tadino PG 13 15208 18597
Fossato di Vico PG 14 2840 21437
Assisi PG 16 28299 49736
Gubbio PG 16 32216 81952
Sigillo PG 16 2404 84356
Bastia Umbra PG 17 21874 106230
Nocera Umbra PG 17 5839 112069
Costacciaro PG 18 1216 113285
Valtopina PG 20 1398 114683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Perugia (166134 inhabitants)
29 Km N of Foligno (57155 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
72 Km N of Terni (111501 inhabitants)
77 Km SW of Fano (60888 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
95 Km S of Rimini (147750 inhabitants)
98 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 1.0 2021-09-02
02:13:23
43.2125 12.6262 11 2021-09-02
02:21:48
Sala Sismica INGV-Roma 94941401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-02 02:13:23 ± 0.04
Latitude 43.2125 ± 0.0027
Longitude 12.6262 ± 0.0074
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 94941401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31386
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 94941401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-02 02:21:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-09-02T02:13:39.45 3.0 undecidable manual S -0.44 0
IV.SSFR.HHZ. 2021-09-02T02:13:33.43 0.6 undecidable manual S 27 27.8499 50 -0.01 50
IV.NARO.HHZ. 2021-09-02T02:13:31.95 3.0 negative manual P 0.04 0
IV.FDMO.HHZ. 2021-09-02T02:13:31.39 3.0 positive manual P -0.19 0
IV.ASSB.HHZ. 2021-09-02T02:13:31.07 0.6 undecidable manual S 172 19.0698 119 0.07 50
IV.FRON.EHZ. 2021-09-02T02:13:30.11 1.0 undecidable manual P 13 34.8429 50 -0.18 24
IV.CESI.HHZ. 2021-09-02T02:13:30.07 0.1 undecidable manual P 135 32.2455 50 0.18 95
IV.ATFO.HHZ. 2021-09-02T02:13:30.74 0.6 undecidable manual S 346 17.6712 121 0.16 49
IV.ATPI.EHZ. 2021-09-02T02:13:29.85 0.3 positive manual P 326 32.0457 50 -0.01 74
IV.MML1.EHZ. 2021-09-02T02:13:29.64 1.0 undecidable manual P 111 30.0477 50 0.09 24
IV.SSFR.HHZ. 2021-09-02T02:13:28.98 0.6 negative manual P 27 27.8499 50 -0.23 47
IV.MURB.HHZ. 2021-09-02T02:13:28.55 0.6 undecidable manual S 304 9.9789 137 0.07 51
IV.ATVO.HHZ. 2021-09-02T02:13:28.76 0.3 undecidable manual P 317 25.8519 50 -0.15 73
IV.ATFO.HHZ. 2021-09-02T02:13:27.67 0.1 undecidable manual P 346 17.6712 121 0.1 99
IV.ATCC.EHZ. 2021-09-02T02:13:27.00 0.6 undecidable manual S 160 3.1968 163 -0.28 49
IV.ASSB.HHZ. 2021-09-02T02:13:27.76 0.1 undecidable manual P 172 19.0698 119 -0.04 100
IV.MURB.HHZ. 2021-09-02T02:13:26.41 1.0 undecidable manual P 304 9.9789 137 0.06 25
IV.ATCC.EHZ. 2021-09-02T02:13:25.64 0.6 undecidable manual P 160 3.1968 163 -0.02 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:1.2 0.000242 0.36 AML other m 2021-09-02T02:13:27.22
IV.ATCC.EHN. ML:1.3 0.000332 0.28 AML other m 2021-09-02T02:13:27.18
IV.MURB.HHE. ML:1.5 0.00039949999999999995 0.28 AML other m 2021-09-02T02:13:28.71
IV.MURB.HHN. ML:1.4 0.0003485 0.3 AML other m 2021-09-02T02:13:28.80
IV.ATFO.HHE. ML:0.9 0.00006315 1.22 AML other m 2021-09-02T02:13:30.91
IV.ATFO.HHN. ML:0.8 0.000047850000000000004 1.76 AML other m 2021-09-02T02:13:31.05
IV.ASSB.HHE. ML:1.0 0.00008185000000000001 1.26 AML other m 2021-09-02T02:13:31.11
IV.ASSB.HHN. ML:1.2 0.000121 0.34 AML other m 2021-09-02T02:13:31.27
IV.ATVO.HHN. ML:0.7 0.00003135 1.28 AML other m 2021-09-02T02:13:33.70
IV.ATVO.HHE. ML:0.7 0.000030850000000000004 1.4 AML other m 2021-09-02T02:13:33.77
IV.SSFR.HHN. ML:1.1 0.000059800000000000003 0.24 AML other m 2021-09-02T02:13:33.48
IV.SSFR.HHE. ML:1.1 0.00005935 0.2 AML other m 2021-09-02T02:13:34.43
IV.MML1.EHE. ML:0.8 0.000029200000000000005 1.58 AML other m 2021-09-02T02:13:34.93
IV.MML1.EHN. ML:0.8 0.0000282 1.24 AML other m 2021-09-02T02:13:35.62
IV.FRON.EHN. ML:0.8 0.0000269 0.86 AML other m 2021-09-02T02:13:36.60
IV.FRON.EHE. ML:0.8 0.000025450000000000002 0.96 AML other m 2021-09-02T02:13:36.22
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