Earthquake with magnitude of ML 1.1 on date 06-03-2021 and time 01:03:40 (Italy) in region 4 km NW Visso (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Visso (MC), on

  • 06-03-2021 00:03:40 (UTC)
  • 06-03-2021 01:03:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9600, 13.0540 at 3 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
Visso MC 4 1107 1107
Monte Cavallo MC 6 145 1252
Ussita MC 7 444 1696
Preci PG 9 724 2420
Fiordimonte MC 9 202 2622
Pieve Torina MC 10 1458 4080
Castelsantangelo sul Nera MC 11 281 4361
Pievebovigliana MC 12 866 5227
Fiastra MC 12 559 5786
Acquacanina MC 13 121 5907
Sellano PG 13 1079 6986
Muccia MC 14 915 7901
Bolognola MC 15 142 8043
Serravalle di Chienti MC 15 1070 9113
Norcia PG 19 4957 14070
Cerreto di Spoleto PG 19 1075 15145
Camerino MC 20 6974 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
98 Km S of Fano (60888 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 2021-03-06
00:03:40
42.9598 13.0535 3 2021-03-06
00:14:03
Sala Sismica INGV-Roma 87798851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-06 00:03:40 ± 0.07
Latitude 42.9598 ± 0.0027
Longitude 13.0535 ± 0.0037
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87798851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 83
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
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) 88
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 21
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) 0.40919
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 87798851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-06 00:14:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2021-03-06T00:03:55.01 3.0 undecidable manual P -0.66 0
IV.MF5.EHZ. 2021-03-06T00:03:52.84 0.6 undecidable manual S 85 33.1446 95 0.74 39
IV.GAVE.EHZ. 2021-03-06T00:03:51.82 0.6 undecidable manual S 204 32.4453 95 -0.04 47
IV.MNTT.EHZ. 2021-03-06T00:03:49.65 1.0 positive manual P 75 45.4212 93 -0.04 23
IV.MMO1.EHZ. 2021-03-06T00:03:48.59 0.6 undecidable manual S 107 23.1546 97 -0.09 48
IV.CSP1.EHZ. 2021-03-06T00:03:47.23 0.6 undecidable manual S 40 19.0698 98 -0.04 48
IV.MML1.HNZ. 2021-03-06T00:03:47.09 0.6 undecidable manual S 339 18.2706 98 0.1 48
IV.MF5.EHZ. 2021-03-06T00:03:46.14 3.0 undecidable manual P 85 33.1446 95 -1.09 0
IV.GAVE.EHZ. 2021-03-06T00:03:46.71 1.0 positive manual P 204 32.4453 95 -0.38 22
IV.NRCA.HHZ. 2021-03-06T00:03:46.06 0.6 undecidable manual S 161 14.874 100 0.24 47
IV.CESI.HHZ. 2021-03-06T00:03:45.54 0.6 undecidable manual S 292 13.0758 101 0.34 46
IV.CSP1.EHZ. 2021-03-06T00:03:44.20 0.3 positive manual P 40 19.0698 98 -0.24 70
IV.MMO1.EHZ. 2021-03-06T00:03:44.94 0.6 negative manual P 107 23.1546 97 -0.31 45
IV.MML1.HNZ. 2021-03-06T00:03:44.03 1.0 undecidable manual P 339 18.2706 98 -0.25 23
IV.CESI.HHZ. 2021-03-06T00:03:43.29 0.1 positive manual P 292 13.0758 101 0.04 98
IV.NRCA.HHZ. 2021-03-06T00:03:43.58 0.1 negative manual P 161 14.874 100 -0.02 98
IV.MC2.EHZ. 2021-03-06T00:03:43.26 1.0 undecidable manual P 116 12.2766 102 0.17 24
IV.FDMO.HHZ. 2021-03-06T00:03:43.86 0.6 undecidable manual S 18 8.88 107 0.05 49
IV.FDMO.HHZ. 2021-03-06T00:03:42.30 0.6 positive manual P 18 8.88 107 -0.14 48
IT.MTCL.HGZ. 2021-03-06T00:03:42.89 0.6 undecidable manual S 311 5.7942 115 0.11 49
IV.FEMA.HNZ. 2021-03-06T00:03:41.08 0.1 undecidable manual P 309 0.3996 172 -0.03 100
IT.MTCL.HGZ. 2021-03-06T00:03:41.77 0.1 undecidable manual P 311 5.7942 115 -0.08 98
IV.FEMA.HNZ. 2021-03-06T00:03:41.45 0.6 undecidable manual S 309 0.3996 172 -0.06 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.2 0.000202 0.26 AML other m 2021-03-06T00:03:45.98
IV.CESI.HHE. ML:1.0 0.000119637605 0.24 AML other m 2021-03-06T00:03:46.10
IV.CESI.HNN. ML:1.2 0.000190879 0.23 AML other m 2021-03-06T00:03:45.98
IV.NRCA.HHE. ML:0.9 0.000094215725 0.18 AML other m 2021-03-06T00:03:47.65
IV.NRCA.HHN. ML:0.8 0.00008249896000000001 0.22 AML other m 2021-03-06T00:03:48.55
IV.CSP1.EHE. ML:1.1 0.00011728245 0.32 AML other m 2021-03-06T00:03:49.10
IV.CSP1.EHN. ML:1.3 0.0001865 0.76 AML other m 2021-03-06T00:03:49.61
IV.MF5.EHE. ML:1.2 0.000065885975 0.4 AML other m 2021-03-06T00:03:53.24
IV.GAVE.EHE. ML:1.1 0.00005824999999999999 0.26 AML other m 2021-03-06T00:03:53.25
IV.GAVE.EHN. ML:1.0 0.000046949999999999996 0.28 AML other m 2021-03-06T00:03:53.80
IV.MF5.EHN. ML:1.0 0.0000460924445 0.52 AML other m 2021-03-06T00:03:54.68
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