Earthquake with magnitude of ML 0.7 on date 03-04-2021 and time 02:23:16 (Italy) in region 5 km NE Valfabbrica (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km NE Valfabbrica (PG), on

  • 03-04-2021 00:23:16 (UTC)
  • 03-04-2021 02:23:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1950, 12.6470 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
Valfabbrica PG 5 3389 3389
Gualdo Tadino PG 12 15208 18597
Assisi PG 14 28299 46896
Fossato di Vico PG 15 2840 49736
Nocera Umbra PG 15 5839 55575
Bastia Umbra PG 16 21874 77449
Sigillo PG 17 2404 79853
Valtopina PG 17 1398 81251
Gubbio PG 19 32216 113467
Costacciaro PG 19 1216 114683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Perugia (166134 inhabitants)
27 Km N of Foligno (57155 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
71 Km N of Terni (111501 inhabitants)
78 Km SW of Fano (60888 inhabitants)
83 Km S of Pesaro (94582 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
97 Km S of Rimini (147750 inhabitants)
97 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 0.7 2021-04-03
00:23:16
43.1953 12.6468 10 2021-04-03
00:31:41
Sala Sismica INGV-Roma 88723931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-03 00:23:16 ± 0.09
Latitude 43.1953 ± 0.0054
Longitude 12.6468 ± 0.0123
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88723931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 998
Semi-minor axis of confidence ellipse (meter) 511
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65021
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 88723931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-03 00:31:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT13.EHZ. 2021-04-03T00:24:55.75 3.0 undecidable manual Sg 11.63 0
IV.ENIC.HHZ. 2021-04-03T00:24:43.05 3.0 undecidable manual Pn 2.53 0
ST.CARE.EHZ. 2021-04-03T00:24:39.05 3.0 undecidable manual Sn 2.9 0
GU.GRAM.HHZ. 2021-04-03T00:24:02.22 3.0 undecidable manual Sn -0.84 0
IV.PTRJ.HHZ. 2021-04-03T00:24:00.95 3.0 undecidable manual Pg 7.93 0
IV.RM33.HNZ. 2021-04-03T00:23:52.17 3.0 undecidable manual S 0.67 0
IV.CIMA.HNZ. 2021-04-03T00:23:48.45 3.0 undecidable manual S -0.95 0
IT.RMMM.HGZ. 2021-04-03T00:23:36.71 3.0 negative manual P 0.48 0
IV.RM33.HNZ. 2021-04-03T00:23:32.23 3.0 undecidable manual P -0.11 0
IV.PIEI.HHZ. 2021-04-03T00:23:29.60 1.0 undecidable manual S 347 38.8278 50 0.32 23
IV.CPGN.EHZ. 2021-04-03T00:23:28.16 0.1 undecidable manual P 339 72.1722 50 -0.76 73
TV.SF04.EHZ. 2021-04-03T00:23:27.65 3.0 undecidable manual S -5.79 0
IV.ATSC.EHE. 2021-04-03T00:23:25.70 0.6 undecidable manual S 7 25.5522 50 -0.04 49
IV.PIEI.HHZ. 2021-04-03T00:23:23.89 0.1 undecidable manual P 347 38.8278 50 0.11 94
IV.ASSB.HHZ. 2021-04-03T00:23:23.00 0.6 undecidable manual S 177 16.9719 121 -0.17 48
IV.FIR.HHZ. 2021-04-03T00:23:23.62 3.0 undecidable manual P 2.09 0
IV.CESI.HHE. 2021-04-03T00:23:22.63 0.1 undecidable manual P 135 29.748 50 0.25 93
IV.MURB.HHE. 2021-04-03T00:23:22.11 0.6 undecidable manual S 307 12.3765 130 0.24 48
IV.FOSV.EHZ. 2021-04-03T00:23:22.35 0.6 undecidable manual S 40 14.3745 126 -0.07 50
IV.ATSC.EHE. 2021-04-03T00:23:21.78 0.1 undecidable manual P 7 25.5522 50 0.04 98
IV.ASSB.HHZ. 2021-04-03T00:23:20.26 0.1 positive manual P 177 16.9719 121 0 100
IV.FOSV.EHZ. 2021-04-03T00:23:19.97 0.6 positive manual P 40 14.3745 126 0.15 49
IV.MURB.HHE. 2021-04-03T00:23:19.74 0.1 undecidable manual P 307 12.3765 130 0.23 96
IV.ATCC.EHZ. 2021-04-03T00:23:19.58 0.6 undecidable manual S 206 1.2987 173 -0.3 48
IV.ATCC.EHZ. 2021-04-03T00:23:18.30 1.0 undecidable manual P 206 1.2987 173 -0.06 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.2 0.000319 0.18 AML other m 2021-04-03T00:23:19.80
IV.ATCC.EHE. ML:1.1 0.0002405 0.14 AML other m 2021-04-03T00:23:19.81
IV.FOSV.EHE. ML:0.3 0.000020499999999999997 0.38 AML other m 2021-04-03T00:23:22.73
IV.FOSV.EHN. ML:0.3 0.000021 0.16 AML other m 2021-04-03T00:23:22.64
IV.ASSB.HHE. ML:0.7 0.00003945 0.1 AML other m 2021-04-03T00:23:23.41
IV.ASSB.HHN. ML:0.6 0.00003725 0.36 AML other m 2021-04-03T00:23:23.40
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