Earthquake with magnitude of ML 0.6 on date 03-09-2021 and time 03:17:07 (UTC) in region 6 km S Monte Cavallo (MC)

A magnitude ML 0.6 earthquake occured in region: 6 km S Monte Cavallo (MC), on

  • 03-09-2021 03:17:07 (UTC)
  • 03-09-2021 05:17:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9390, 13.0130 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Monte Cavallo MC 6 145 145
Visso MC 6 1107 1252
Preci PG 7 724 1976
Sellano PG 9 1079 3055
Ussita MC 10 444 3499
Pieve Torina MC 12 1458 4957
Castelsantangelo sul Nera MC 13 281 5238
Fiordimonte MC 13 202 5440
Pievebovigliana MC 15 866 6306
Cerreto di Spoleto PG 15 1075 7381
Serravalle di Chienti MC 16 1070 8451
Fiastra MC 16 559 9010
Muccia MC 16 915 9925
Acquacanina MC 17 121 10046
Norcia PG 18 4957 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
94 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
Bulletin
Rev1000
ML 0.6 2021-09-03
03:17:07
42.9393 13.0127 12 2022-03-30
13:04:04
Bollettino Sismico Italiano INGV 95138981
Reviewed
Rev100
ML 1.0 2021-09-03
03:17:07
42.9437 13.0092 13 2021-09-03
03:24:01
Sala Sismica INGV-Roma 94981761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-03 03:17:07 ± 0.04
Latitude 42.9393 ± 0.0027
Longitude 13.0127 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95138981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 95138981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-07 06:06:02

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 94981761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-03 03:24:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-09-03T03:17:17.43 0.1 undecidable manual S 199 29.0487 94 0.11 95
IV.MMO1.EHZ. 2021-09-03T03:17:16.48 0.6 undecidable manual S 100 25.8519 95 0 49
IV.CSP1.EHZ. 2021-09-03T03:17:15.71 0.6 undecidable manual S 43 22.9548 96 0 49
IV.MML1.HNE. 2021-09-03T03:17:14.82 0.1 undecidable manual S 350 19.5693 99 0.01 99
IV.ASSB.HHZ. 2021-09-03T03:17:13.12 0.1 undecidable manual P 292 30.9468 93 -0.17 94
IV.CSP1.EHZ. 2021-09-03T03:17:12.10 0.1 undecidable manual P 43 22.9548 96 0.03 98
IV.CESI.HHZ. 2021-09-03T03:17:12.71 0.1 undecidable manual S 310 11.3775 121 -0.03 100
IV.MMO1.EHZ. 2021-09-03T03:17:12.58 0.1 undecidable manual P 100 25.8519 95 0.06 97
IV.FDMO.HHZ. 2021-09-03T03:17:12.89 0.1 undecidable manual S 29 12.3765 117 -0.08 99
IV.GAVE.EHZ. 2021-09-03T03:17:12.88 0.1 undecidable manual P 199 29.0487 94 -0.12 95
IV.MML1.HNE. 2021-09-03T03:17:11.77 0.1 undecidable manual P 350 19.5693 99 0.22 95
IV.CESI.HHZ. 2021-09-03T03:17:10.44 0.1 undecidable manual P 310 11.3775 121 0.08 98
IV.NRCA.HHZ. 2021-09-03T03:17:10.64 0.1 undecidable manual P 145 14.3745 110 -0.12 98
IV.FDMO.HHZ. 2021-09-03T03:17:10.52 0.1 undecidable manual P 29 12.3765 117 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:0.9 0.000049185 0.78 AML other m 2021-09-03T03:17:12.58
IV.CSP1.EHE. ML:1.1 0.00007355 0.42 AML other m 2021-09-03T03:17:19.66
IV.CESI.HHE. ML:0.2 0.0000171372635 0.16 AML other m 2021-09-03T03:17:12.77
IV.CESI.HHN. ML:0.4 0.000022516655 1.0192 AML other m 2021-09-03T03:17:17.79
IV.CESI.HNN. ML:1.7 0.00051744265 0.3616 AML other m 2021-09-03T03:17:18.17
IV.FDMO.HHE. ML:0.3 0.000020588249999999997 0.2 AML other m 2021-09-03T03:17:13.01
IV.FDMO.HHN. ML:0.2 0.00001458862 0.16 AML other m 2021-09-03T03:17:13.25
IV.GAVE.EHN. ML:0.6 0.000020957155 1.3808 AML other m 2021-09-03T03:17:14.40
IV.GAVE.HNN. ML:1.5 0.00015991339999999997 1.2112 AML other m 2021-09-03T03:17:20.19
IV.ASSB.HHE. ML:0.5 0.000015812875 1.5392 AML other m 2021-09-03T03:17:24.30
IV.ASSB.HHN. ML:0.5 0.000014930870000000001 1.52 AML other m 2021-09-03T03:17:19.76
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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