Earthquake with magnitude of ML 1.3 on date 21-03-2021 and time 19:05:57 (UTC) in region 6 km W Monte Cavallo (MC)

A magnitude ML 1.3 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 21-03-2021 19:05:57 (UTC)
  • 21-03-2021 20:05:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9910, 12.9270 at 11 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
Serravalle di Chienti MC 9 1070 1215
Sellano PG 11 1079 2294
Pieve Torina MC 12 1458 3752
Muccia MC 14 915 4667
Fiordimonte MC 14 202 4869
Visso MC 15 1107 5976
Pievebovigliana MC 15 866 6842
Preci PG 15 724 7566
Valtopina PG 16 1398 8964
Nocera Umbra PG 17 5839 14803
Sefro MC 18 422 15225
Ussita MC 18 444 15669
Foligno PG 19 57155 72824
Cerreto di Spoleto PG 19 1075 73899
Trevi PG 19 8469 82368
Fiastra MC 19 559 82927
Camerino MC 20 6974 89901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
95 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
Bulletin
Rev1000
ML 1.3 2021-03-21
19:05:57
42.991 12.927 11 2021-07-12
16:55:06
Bollettino Sismico Italiano INGV 89120461
Reviewed
Rev100
ML 1.3 2021-03-21
19:05:57
42.9852 12.9108 13 2021-03-21
19:13:56
Sala Sismica INGV-Roma 88358321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-21 19:05:57 ± 0.1
Latitude 42.9910 ± 0.0045
Longitude 12.9270 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89120461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 177
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) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.50722
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 89120461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-15 14:57:47

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 88358321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-21 19:13:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-03-21T19:06:15.92 0.3 undecidable manual S 1 56.2992 90 0.53 61
IV.MURB.HHZ. 2021-03-21T19:06:12.71 0.3 undecidable manual S 313 44.4222 90 0.48 64
IV.EL6.EHZ. 2021-03-21T19:06:11.18 0.3 undecidable manual S 21 40.1265 91 0.1 69
IV.MOMA.HNZ. 2021-03-21T19:06:10.05 0.3 undecidable manual S 235 35.6421 91 0.14 70
IV.ATCC.EHE. 2021-03-21T19:06:08.66 0.1 undecidable manual S 313 31.746 91 -0.18 91
IV.PF6.EHZ. 2021-03-21T19:06:07.39 0.3 undecidable manual S 53 27.0507 91 -0.22 69
IV.SNTG.HHZ. 2021-03-21T19:06:07.92 0.6 undecidable manual S 2 29.3484 91 -0.28 45
IV.ARVD.HHZ. 2021-03-21T19:06:07.32 0.6 negative manual P 1 56.2992 90 -0.69 38
IV.CSP1.EHZ. 2021-03-21T19:06:07.19 0.3 undecidable manual S 64 25.1526 91 0.1 70
IV.NRCA.HHZ. 2021-03-21T19:06:06.34 0.3 undecidable manual S 139 23.1546 91 -0.22 69
IV.MURB.HHZ. 2021-03-21T19:06:05.91 0.6 undecidable manual P 313 44.4222 90 -0.28 44
IV.ASSB.HHZ. 2021-03-21T19:06:05.81 0.3 undecidable manual S 285 22.4553 92 -0.57 62
IV.SEF1.HNZ. 2021-03-21T19:06:05.08 0.1 undecidable manual S 6 17.3715 93 0.06 96
IV.MOMA.HNZ. 2021-03-21T19:06:05.62 0.1 undecidable manual P 235 35.6421 91 0.78 78
IV.EL6.EHZ. 2021-03-21T19:06:05.50 0.6 negative manual P 21 40.1265 91 -0.02 47
IV.ATCC.EHE. 2021-03-21T19:06:03.91 0.1 undecidable manual P 313 31.746 91 -0.32 89
IV.FEMA.HNZ. 2021-03-21T19:06:03.25 0.1 undecidable manual S 108 10.4784 119 0.01 98
IV.CSP1.EHZ. 2021-03-21T19:06:03.05 0.1 undecidable manual P 64 25.1526 91 -0.17 93
IV.MML1.HNZ. 2021-03-21T19:06:03.92 0.1 undecidable manual S 15 14.0748 101 -0.22 94
IV.PF6.EHZ. 2021-03-21T19:06:03.36 0.3 undecidable manual P 53 27.0507 91 -0.16 70
IV.SNTG.HHZ. 2021-03-21T19:06:03.63 1.0 undecidable manual P 2 29.3484 91 -0.22 23
IV.SEF1.HNZ. 2021-03-21T19:06:02.75 0.1 undecidable manual P 6 17.3715 93 0.73 80
IV.NRCA.HHZ. 2021-03-21T19:06:02.63 0.1 positive manual P 139 23.1546 91 -0.28 91
IV.ASSB.HHZ. 2021-03-21T19:06:02.53 0.6 undecidable manual P 285 22.4553 92 -0.28 45
IT.MTCL.HGZ. 2021-03-21T19:06:02.35 0.1 undecidable manual S 87 5.8941 144 0.02 99
IV.CESI.HHZ. 2021-03-21T19:06:01.92 0.3 undecidable manual S 310 2.3976 165 0 75
IV.FEMA.HNZ. 2021-03-21T19:06:01.12 0.1 undecidable manual P 108 10.4784 119 0.12 96
IV.MML1.HNZ. 2021-03-21T19:06:01.45 0.1 undecidable manual P 15 14.0748 101 -0.06 97
IT.MTCL.HGZ. 2021-03-21T19:06:00.70 0.1 undecidable manual P 87 5.8941 144 0.24 95
IV.CESI.HHZ. 2021-03-21T19:06:00.24 0.1 undecidable manual P 310 2.3976 165 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNE. ML:1.2 0.0002458871 1.8336 AML other m 2021-03-21T19:06:02.95
IV.CESI.HHE. ML:1.2 0.00026900000000000003 1.84 AML other m 2021-03-21T19:06:02.95
IV.NRCA.HNE. ML:1.4 0.00013847294 1.2288 AML other m 2021-03-21T19:06:06.82
IV.CESI.HHN. ML:1.2 0.00023057204999999998 0.1152 AML other m 2021-03-21T19:06:02.41
IV.CESI.HNN. ML:1.1 0.00019113235 0.1152 AML other m 2021-03-21T19:06:02.47
IV.CSP1.EHE. ML:1.4 0.00015711135 0.0416 AML other m 2021-03-21T19:06:04.83
IV.CSP1.EHN. ML:1.5 0.00017651755 0.0544 AML other m 2021-03-21T19:06:05.30
IV.NRCA.HHN. ML:1.3 0.000132 0.14 AML other m 2021-03-21T19:06:06.49
IV.SNTG.HNE. ML:1.5 0.00014767 0.9504 AML other m 2021-03-21T19:06:06.52
IV.NRCA.HHE. ML:1.2 0.00009454093 0.128 AML other m 2021-03-21T19:06:07.77
IV.MURB.HHE. ML:0.0 0.000046636444999999996 1.04 AML other m 2021-03-21T19:06:07.76
IV.SNTG.HHN. ML:0.8 0.000027870409999999997 0.1024 AML other m 2021-03-21T19:06:08.30
IV.EL6.EHN. ML:1.4 0.000096394585 0.2976 AML other m 2021-03-21T19:06:10.78
IV.NRCA.HNN. ML:1.4 0.000151428075 0.896 AML other m 2021-03-21T19:06:06.55
IV.EL6.EHE. ML:1.5 0.00010056961000000001 0.784 AML other m 2021-03-21T19:06:11.23
IV.MURB.HHN. ML:0.0 0.00004990572 0.192 AML other m 2021-03-21T19:06:13.32
IV.SNTG.HNN. ML:1.6 0.00020493270000000003 0.5632 AML other m 2021-03-21T19:06:08.49
IV.SNTG.HHE. ML:0.8 0.000029143614999999998 2.0864 AML other m 2021-03-21T19:06:08.10
IV.ARVD.HHE. ML:1.0 0.00002638295 2.5984 AML other m 2021-03-21T19:06:16.78
IV.ARVD.HHN. ML:1.0 0.000025878063 1.4592 AML other m 2021-03-21T19:06:16.09
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