Earthquake with magnitude of ML 1.4 on date 06-04-2021 and time 05:44:01 (Italy) in region 4 km SW Valfabbrica (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km SW Valfabbrica (PG), on

  • 06-04-2021 03:44:01 (UTC)
  • 06-04-2021 05:44:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1420, 12.5610 at 8 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 9 28299 53562
Perugia PG 15 166134 219696
Bettona PG 16 4367 224063
Cannara PG 16 4305 228368
Torgiano PG 16 6725 235093
Valtopina PG 18 1398 236491
Spello PG 19 8645 245136
Nocera Umbra PG 19 5839 250975

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Perugia (166134 inhabitants)
24 Km NW of Foligno (57155 inhabitants)
65 Km N of Terni (111501 inhabitants)
66 Km SE of Arezzo (99543 inhabitants)
86 Km SW of Fano (60888 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
90 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 1.4 2021-04-06
03:44:01
43.1423 12.5613 8 2021-04-06
03:51:05
Sala Sismica INGV-Roma 88807181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-06 03:44:01 ± 0.07
Latitude 43.1423 ± 0.0045
Longitude 12.5613 ± 0.0062
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88807181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 675
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 88807181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-06 03:51:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-04-06T03:44:23.12 0.6 undecidable manual S 113 67.6767 50 0.49 41
IV.MC2.EHZ. 2021-04-06T03:44:20.74 1.0 undecidable manual S 116 56.9985 50 0.96 17
IV.GAVE.EHZ. 2021-04-06T03:44:20.18 0.6 undecidable manual S 151 56.7987 50 0.46 42
IV.NRCA.HHZ. 2021-04-06T03:44:19.86 0.6 undecidable manual S 127 56.3991 50 0.23 45
IV.CAFI.HHZ. 2021-04-06T03:44:18.78 0.3 undecidable manual S 294 52.4031 50 0.23 67
IV.FDMO.HHZ. 2021-04-06T03:44:16.39 0.6 undecidable manual S 105 44.2224 50 0.03 47
IV.PIEI.HHZ. 2021-04-06T03:44:16.25 0.6 undecidable manual S 357 43.7229 50 0.02 48
IV.ATPI.EHZ. 2021-04-06T03:44:14.08 0.6 undecidable manual S 339 36.5412 50 -0.24 46
IV.ATMI.HHZ. 2021-04-06T03:44:13.32 0.3 undecidable manual S 312 31.8459 105 0.39 67
IV.MMO1.EHZ. 2021-04-06T03:44:13.63 0.6 negative manual P 113 67.6767 50 -0.07 45
IV.TB03.DHZ. 2021-04-06T03:44:12.98 0.6 undecidable manual S 337 31.2465 105 0.26 46
IV.MC2.EHZ. 2021-04-06T03:44:12.03 0.1 undecidable manual P 116 56.9985 50 -0.02 93
IV.CESI.HHZ. 2021-04-06T03:44:12.72 0.6 undecidable manual S 119 31.746 105 -0.16 47
IV.CAFI.HHZ. 2021-04-06T03:44:11.44 0.6 negative manual P 294 52.4031 50 0.1 46
IV.TB01.DHN. 2021-04-06T03:44:11.86 0.6 undecidable manual S 339 28.4493 106 0.08 48
IV.NRCA.HHZ. 2021-04-06T03:44:11.73 0.1 positive manual P 127 56.3991 50 -0.24 89
IV.GAVE.EHZ. 2021-04-06T03:44:11.84 0.1 undecidable manual P 151 56.7987 50 -0.18 90
IV.ATFO.HHN. 2021-04-06T03:44:11.27 0.6 undecidable manual S 2 24.8529 109 0.65 42
IV.ATVA.EHE. 2021-04-06T03:44:11.07 0.6 undecidable manual S 304 26.9508 107 -0.22 47
IV.TB02.DHZ. 2021-04-06T03:44:11.55 0.6 undecidable manual S 334 28.1496 107 -0.13 48
IV.FOSV.EHZ. 2021-04-06T03:44:10.34 0.6 undecidable manual S 44 23.3544 110 0.22 47
IV.FDMO.HHZ. 2021-04-06T03:44:10.01 1.0 undecidable manual P 105 44.2224 50 -0.07 23
IV.ATMI.HHZ. 2021-04-06T03:44:09.05 0.1 undecidable manual P 312 31.8459 105 0.95 73
IV.ATLO.HNE. 2021-04-06T03:44:09.94 0.6 undecidable manual S 327 22.8549 110 -0.01 49
IV.PIEI.HHZ. 2021-04-06T03:44:08.72 0.6 undecidable manual P 357 43.7229 50 -1.29 30
IV.ATPI.EHZ. 2021-04-06T03:44:08.82 0.6 undecidable manual P 339 36.5412 50 -0.08 48
IV.ATVA.EHE. 2021-04-06T03:44:07.16 0.1 undecidable manual P 304 26.9508 107 0 98
IV.TB02.DHZ. 2021-04-06T03:44:07.13 0.1 undecidable manual P 334 28.1496 107 -0.25 93
IV.ASSB.HHZ. 2021-04-06T03:44:07.06 0.6 undecidable manual S 144 13.5753 122 0.03 50
IV.CESI.HHZ. 2021-04-06T03:44:07.85 0.6 undecidable manual P 119 31.746 105 -0.22 47
IV.MURB.HHZ. 2021-04-06T03:44:07.34 0.6 undecidable manual S 348 13.6752 121 0.27 48
IV.TB03.DHZ. 2021-04-06T03:44:07.34 0.1 undecidable manual P 337 31.2465 105 -0.64 83
IV.FOSV.EHZ. 2021-04-06T03:44:06.44 0.6 positive manual P 44 23.3544 110 -0.04 49
IV.ATLO.HNE. 2021-04-06T03:44:06.19 0.1 undecidable manual P 327 22.8549 110 -0.19 95
IV.TB01.DHN. 2021-04-06T03:44:06.81 0.1 undecidable manual P 339 28.4493 106 -0.63 84
IV.ATFO.HHN. 2021-04-06T03:44:06.87 0.1 undecidable manual P 2 24.8529 109 0.11 97
IV.ATCC.EHZ. 2021-04-06T03:44:05.47 0.6 undecidable manual S 53 7.9809 136 -0.03 50
IV.ASSB.HHZ. 2021-04-06T03:44:04.66 0.1 negative manual P 144 13.5753 122 -0.04 100
IV.MURB.HHZ. 2021-04-06T03:44:04.90 0.1 undecidable manual P 348 13.6752 121 0.18 97
IV.ATCC.EHZ. 2021-04-06T03:44:03.89 0.1 positive manual P 53 7.9809 136 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.7 0.00087384825 0.2016 AML other m 2021-04-06T03:44:06.00
IV.ATCC.EHE. ML:1.7 0.0008965 1.24 AML other m 2021-04-06T03:44:06.01
IV.ASSB.HHE. ML:1.4 0.00029 0.16 AML other m 2021-04-06T03:44:07.67
IV.MURB.HHE. ML:2.2 0.00176 0.3 AML other m 2021-04-06T03:44:07.68
IV.MURB.HNE. ML:2.2 0.001585 0.3 AML other m 2021-04-06T03:44:07.69
IV.ASSB.HHN. ML:1.4 0.000291667 0.1408 AML other m 2021-04-06T03:44:08.26
IV.MURB.HHN. ML:2.1 0.0013410825 0.1984 AML other m 2021-04-06T03:44:08.74
IV.MURB.HNN. ML:2.1 0.0012649999999999998 0.24 AML other m 2021-04-06T03:44:08.63
IV.FOSV.EHN. ML:1.0 0.000059702675 0.2624 AML other m 2021-04-06T03:44:13.30
IV.CESI.HHE. ML:1.2 0.00007475618 0.2208 AML other m 2021-04-06T03:44:13.05
IV.CESI.HHN. ML:1.2 0.00007908855000000001 0.1216 AML other m 2021-04-06T03:44:13.68
IV.FOSV.EHE. ML:1.1 0.00007815 0.44 AML other m 2021-04-06T03:44:14.60
IV.FDMO.HHN. ML:1.3 0.0000628 0.18 AML other m 2021-04-06T03:44:16.56
IV.PIEI.HHE. ML:0.0 0.00009483618 0.2208 AML other m 2021-04-06T03:44:17.18
IV.FDMO.HHE. ML:1.2 0.000051949999999999996 0.12 AML other m 2021-04-06T03:44:17.33
IV.PIEI.HHN. ML:0.0 0.00006772864500000001 0.16 AML other m 2021-04-06T03:44:17.28
IV.NRCA.HHN. ML:1.4 0.00004755 1.06 AML other m 2021-04-06T03:44:21.17
IV.CAFI.HHN. ML:0.9 0.000020200000000000003 1.28 AML other m 2021-04-06T03:44:21.82
IV.CAFI.HHE. ML:1.1 0.00003025 1.08 AML other m 2021-04-06T03:44:21.82
IV.NRCA.HHE. ML:1.4 0.00005255 1.32 AML other m 2021-04-06T03:44:21.93
IV.CESI.HNE. ML:1.4 0.000109657525 0.7296 AML other m 2021-04-06T03:44:13.30
IV.CESI.HNN. ML:1.5 0.00014231695 0.32 AML other m 2021-04-06T03:44:14.81
IV.ATPI.EHE. ML:1.0 0.00003587545 0.24 AML other m 2021-04-06T03:44:16.60
IV.ATPI.EHN. ML:1.0 0.00003862087999999999 0.2784 AML other m 2021-04-06T03:44:16.12
IV.ATPI.HNE. ML:1.6 0.00015727385 0.528 AML other m 2021-04-06T03:44:15.02
IV.ATPI.HNN. ML:1.6 0.000149408495 0.3424 AML other m 2021-04-06T03:44:17.12
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