Earthquake with magnitude of ML 1.1 on date 03-07-2021 and time 14:41:20 (Italy) in region 4 km SW Valfabbrica (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km SW Valfabbrica (PG), on

  • 03-07-2021 12:41:20 (UTC)
  • 03-07-2021 14:41:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1350, 12.5720 at 9 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 4 3389 3389
Bastia Umbra PG 8 21874 25263
Assisi PG 8 28299 53562
Bettona PG 15 4367 57929
Perugia PG 15 166134 224063
Cannara PG 16 4305 228368
Torgiano PG 16 6725 235093
Valtopina PG 17 1398 236491
Spello PG 18 8645 245136
Nocera Umbra PG 18 5839 250975

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Perugia (166134 inhabitants)
23 Km NW of Foligno (57155 inhabitants)
64 Km N of Terni (111501 inhabitants)
67 Km SE of Arezzo (99543 inhabitants)
87 Km SW of Fano (60888 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Pesaro (94582 inhabitants)
94 Km SW of Ancona (100861 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 2021-07-03
12:41:20
43.1352 12.5723 9 2021-07-03
12:49:36
Sala Sismica INGV-Roma 92189881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-03 12:41:20 ± 0.06
Latitude 43.1352 ± 0.0027
Longitude 12.5723 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92189881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46315
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 92189881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-03 12:49:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2021-07-03T12:43:08.96 3.0 undecidable manual Sn 4.81 0
IV.ZONE.HHZ. 2021-07-03T12:42:46.26 3.0 undecidable manual Sn -3.05 0
IV.EMSG.HHZ. 2021-07-03T12:42:41.16 3.0 positive manual Pn -3.06 0
MN.BNI.HHZ. 2021-07-03T12:42:40.37 3.0 undecidable manual Pn 9.22 0
IV.MTMR.EHZ. 2021-07-03T12:42:38.96 3.0 undecidable manual Sn -3.14 0
IV.TST01.HHZ. 2021-07-03T12:42:23.28 3.0 undecidable manual Sg 3.95 0
IV.MTMR.EHZ. 2021-07-03T12:42:11.11 3.0 undecidable manual Pg 4.66 0
IV.MTRZ.HNZ. 2021-07-03T12:42:09.05 3.0 undecidable manual S 1.75 0
IV.TREG.EHZ. 2021-07-03T12:42:08.22 3.0 negative manual Pg 5.55 0
IV.VIVA.HHZ. 2021-07-03T12:42:06.64 3.0 undecidable manual S 0.32 0
IV.RIBO.EHZ.01 2021-07-03T12:41:59.61 3.0 undecidable manual S -0.41 0
IV.CSP1.EHZ. 2021-07-03T12:41:37.78 0.6 undecidable manual S 95 51.4152 50 0.48 42
IV.MGAB.HHZ. 2021-07-03T12:41:36.22 0.6 undecidable manual S 237 44.7219 50 0.71 39
IV.PP3.EHZ. 2021-07-03T12:41:36.66 3.0 negative manual P -0.04 0
IV.EL6.EHZ. 2021-07-03T12:41:36.47 0.6 undecidable manual S 63 47.9187 50 0.12 46
IV.FDMO.HHZ. 2021-07-03T12:41:34.99 0.3 undecidable manual S 105 43.1235 50 -0.09 69
IV.SSFR.HHZ. 2021-07-03T12:41:33.52 0.3 undecidable manual S 27 37.4292 50 -0.04 71
IV.ATMI.HHZ. 2021-07-03T12:41:32.57 0.6 undecidable manual S 312 33.0447 50 0.19 46
IV.ATVO.HHZ. 2021-07-03T12:41:31.35 0.6 undecidable manual S 334 30.4473 106 -0.23 46
IV.CSP1.EHZ. 2021-07-03T12:41:30.03 0.6 undecidable manual P 95 51.4152 50 -0.2 44
IV.MGAB.HHZ. 2021-07-03T12:41:29.02 0.3 undecidable manual P 237 44.7219 50 -0.18 68
IV.EL6.EHZ. 2021-07-03T12:41:29.62 0.6 undecidable manual P 63 47.9187 50 -0.06 46
IV.FOSV.EHZ. 2021-07-03T12:41:29.47 0.6 undecidable manual S 41 23.3544 110 0.23 46
IV.SSFR.HHZ. 2021-07-03T12:41:28.06 0.3 undecidable manual P 27 37.4292 50 -0.02 71
IV.FDMO.HHZ. 2021-07-03T12:41:28.70 0.1 undecidable manual P 105 43.1235 50 -0.25 89
IV.ATMI.HHZ. 2021-07-03T12:41:27.27 0.6 undecidable manual P 312 33.0447 50 -0.13 47
IV.ATVO.HHZ. 2021-07-03T12:41:26.75 0.1 undecidable manual P 334 30.4473 106 -0.18 93
IV.MURB.HHZ. 2021-07-03T12:41:26.68 0.6 undecidable manual S 345 14.6742 121 0.17 48
IV.FOSV.EHZ. 2021-07-03T12:41:25.51 0.1 undecidable manual P 41 23.3544 110 -0.07 96
IV.ASSB.HHZ. 2021-07-03T12:41:25.85 0.3 undecidable manual S 146 12.4764 125 0 74
IV.MURB.HHZ. 2021-07-03T12:41:24.04 0.1 undecidable manual P 345 14.6742 121 0.04 98
IV.ATCC.EHZ. 2021-07-03T12:41:24.88 0.3 undecidable manual S 45 7.7811 138 0.24 71
IV.ASSB.HHZ. 2021-07-03T12:41:23.59 0.1 negative manual P 146 12.4764 125 -0.03 99
IV.ATCC.EHZ. 2021-07-03T12:41:22.92 0.1 undecidable manual P 45 7.7811 138 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.4 0.000406 0.22 AML other m 2021-07-03T12:41:25.12
IV.ATCC.EHE. ML:1.3 0.0003415 0.38 AML other m 2021-07-03T12:41:25.09
IV.ASSB.HHE. ML:1.2 0.0001735 0.18 AML other m 2021-07-03T12:41:26.18
IV.ASSB.HHN. ML:1.1 0.0001555 0.68 AML other m 2021-07-03T12:41:26.13
IV.MURB.HHE. ML:1.5 0.0003215 0.36 AML other m 2021-07-03T12:41:27.17
IV.MURB.HHN. ML:1.5 0.000314 0.9 AML other m 2021-07-03T12:41:28.58
IV.FOSV.EHN. ML:0.8 0.000042800000000000004 1.02 AML other m 2021-07-03T12:41:30.72
IV.FOSV.EHE. ML:0.7 0.0000311 1.34 AML other m 2021-07-03T12:41:31.71
IV.ATVO.HHE. ML:0.8 0.000031899999999999996 0.32 AML other m 2021-07-03T12:41:31.60
IV.ATVO.HHN. ML:0.9 0.000032850000000000006 0.3 AML other m 2021-07-03T12:41:31.75
IV.SSFR.HHN. ML:1.2 0.000056349999999999994 1.3 AML other m 2021-07-03T12:41:34.31
IV.SSFR.HHE. ML:1.2 0.00006025 0.14 AML other m 2021-07-03T12:41:34.66
IV.FDMO.HHN. ML:0.9 0.000026099999999999997 0.8 AML other m 2021-07-03T12:41:35.37
IV.FDMO.HHE. ML:0.8 0.000021850000000000003 0.68 AML other m 2021-07-03T12:41:35.64
IV.MGAB.HHN. ML:1.1 0.0000341 1.04 AML other m 2021-07-03T12:41:38.82
IV.MGAB.HHE. ML:1.1 0.000034699999999999996 0.26 AML other m 2021-07-03T12:41:39.17
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