Earthquake with magnitude of ML 1.4 on date 27-03-2021 and time 17:50:30 (Italy) in region 4 km W Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 4 km W Monte Cavallo (MC), on

  • 27-03-2021 16:50:30 (UTC)
  • 27-03-2021 17:50:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9880, 12.9530 at 9 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 4 145 145
Serravalle di Chienti MC 9 1070 1215
Pieve Torina MC 10 1458 2673
Sellano PG 11 1079 3752
Fiordimonte MC 13 202 3954
Visso MC 13 1107 5061
Muccia MC 13 915 5976
Pievebovigliana MC 14 866 6842
Preci PG 14 724 7566
Ussita MC 16 444 8010
Fiastra MC 18 559 8569
Sefro MC 18 422 8991
Valtopina PG 18 1398 10389
Acquacanina MC 19 121 10510
Cerreto di Spoleto PG 19 1075 11585
Nocera Umbra PG 19 5839 17424
Camerino MC 19 6974 24398
Castelsantangelo sul Nera MC 19 281 24679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
94 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 1.4 2021-03-27
16:50:30
42.988 12.9528 9 2021-07-12
16:55:06
Bollettino Sismico Italiano INGV 89257361
Reviewed
Rev100
ML 1.3 2021-03-27
16:50:30
42.9948 12.9543 7 2021-03-27
16:57:56
Sala Sismica INGV-Roma 88526831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-27 16:50:30 ± 0.04
Latitude 42.9880 ± 0.0027
Longitude 12.9528 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89257361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 220
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 157
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.65561
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 89257361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-19 13:01:06

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 88526831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-27 16:57:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-03-27T16:50:49.19 0.3 undecidable manual S 359 56.5989 50 0.28 64
IV.EL6.EHZ. 2021-03-27T16:50:44.57 0.6 undecidable manual S 18 39.7269 50 0.16 45
IV.MPAG.EHZ. 2021-03-27T16:50:43.99 0.3 undecidable manual P 348 72.7716 50 0.22 63
IV.GAVE.EHZ. 2021-03-27T16:50:42.73 0.3 undecidable manual S 188 33.1446 50 0.07 70
IV.GUMA.HHN. 2021-03-27T16:50:42.47 0.3 undecidable manual S 75 32.1456 105 0.12 70
IV.MMO1.EHN. 2021-03-27T16:50:42.05 0.3 undecidable manual S 108 31.9458 105 -0.24 68
IV.ATCC.EHZ. 2021-03-27T16:50:42.45 0.3 undecidable manual S 311 33.4443 50 -0.3 68
IV.ARVD.HHZ. 2021-03-27T16:50:41.48 0.3 undecidable manual P 359 56.5989 50 0.22 65
IV.CESX.HHE. 2021-03-27T16:50:40.10 0.3 undecidable manual P 215 51.6039 50 -0.39 64
IV.CSP1.EHE. 2021-03-27T16:50:39.34 0.3 undecidable manual S 61 23.4543 110 -0.15 70
IV.ARRO.EHZ. 2021-03-27T16:50:39.69 0.1 undecidable manual P 199 47.8188 50 -0.23 89
IV.NRCA.HHZ. 2021-03-27T16:50:39.07 0.3 undecidable manual S 143 21.5673 112 0.19 70
IV.PF6.EHZ. 2021-03-27T16:50:39.88 0.3 undecidable manual S 50 25.6521 109 -0.34 67
IV.ASSB.HHN. 2021-03-27T16:50:39.66 0.3 undecidable manual S 284 24.6531 109 -0.21 69
IV.LNSS.HNZ. 2021-03-27T16:50:39.10 0.3 undecidable manual P 171 43.3233 50 -0.12 69
IV.EL6.EHZ. 2021-03-27T16:50:38.56 0.3 undecidable manual P 18 39.7269 50 -0.11 69
IV.FOSV.HNE. 2021-03-27T16:50:38.11 0.3 undecidable manual P 336 37.4292 50 -0.2 68
IT.FOPC.HGZ. 2021-03-27T16:50:38.93 0.3 undecidable manual S 264 20.3685 113 0.43 67
IV.MOMA.HNZ. 2021-03-27T16:50:38.17 0.1 undecidable manual P 237 37.2294 50 -0.11 93
IV.MC2.EHZ. 2021-03-27T16:50:38.77 0.3 undecidable manual S 114 20.9679 112 0.08 72
IV.MTL1.HNZ. 2021-03-27T16:50:37.42 0.6 undecidable manual P 9 30.1476 106 0.32 45
IV.ATCC.EHZ. 2021-03-27T16:50:37.52 0.6 undecidable manual P 311 33.4443 50 -0.19 46
IV.GAVE.EHZ. 2021-03-27T16:50:37.65 0.3 undecidable manual P 188 33.1446 50 -0.01 71
IV.GUMA.HHN. 2021-03-27T16:50:37.71 0.3 undecidable manual P 75 32.1456 105 0.23 68
IV.MMO1.EHN. 2021-03-27T16:50:37.52 0.6 undecidable manual P 108 31.9458 105 0.08 47
IV.ASSB.HHN. 2021-03-27T16:50:36.00 0.1 undecidable manual P 284 24.6531 109 -0.04 96
IV.MML1.HNZ. 2021-03-27T16:50:36.53 0.3 undecidable manual S 6 13.9749 122 0 74
IV.PF6.EHZ. 2021-03-27T16:50:36.22 0.3 undecidable manual P 50 25.6521 109 -0.03 72
IV.MC2.EHZ. 2021-03-27T16:50:35.12 0.3 undecidable manual P 114 20.9679 112 -0.24 69
IV.FEMA.HNZ. 2021-03-27T16:50:35.22 0.6 undecidable manual S 110 8.3805 136 0.22 48
IV.CSP1.EHE. 2021-03-27T16:50:35.62 0.3 undecidable manual P 61 23.4543 110 -0.2 70
IV.FDMO.HHN. 2021-03-27T16:50:35.94 0.6 undecidable manual S 64 12.1767 125 -0.06 49
IV.NRCA.HHZ. 2021-03-27T16:50:35.60 0.1 undecidable manual P 143 21.5673 112 0.13 95
IT.FOPC.HGZ. 2021-03-27T16:50:35.48 0.1 undecidable manual P 264 20.3685 113 0.23 93
IV.FDMO.HHN. 2021-03-27T16:50:34.00 0.1 undecidable manual P 64 12.1767 125 0.19 95
IV.MML1.HNZ. 2021-03-27T16:50:34.29 0.1 undecidable manual P 6 13.9749 122 0.17 95
IT.MTCL.HGZ. 2021-03-27T16:50:33.65 0.3 undecidable manual S 80 3.7962 156 -0.46 68
IV.CESI.HHZ. 2021-03-27T16:50:33.80 0.6 undecidable manual S 296 4.2957 153 -0.38 46
IV.FEMA.HNZ. 2021-03-27T16:50:33.60 0.1 undecidable manual P 110 8.3805 136 0.37 92
IT.MTCL.HGZ. 2021-03-27T16:50:32.71 0.1 undecidable manual P 80 3.7962 156 0 100
IV.CESI.HHZ. 2021-03-27T16:50:32.82 0.1 undecidable manual P 296 4.2957 153 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:2.0 0.00188 0.1 AML other m 2021-03-27T16:50:33.95
IV.CESI.HNE. ML:2.0 0.0017850000000000001 0.1 AML other m 2021-03-27T16:50:33.90
IV.CESI.HNN. ML:1.9 0.001495 0.32 AML other m 2021-03-27T16:50:34.04
IV.CESI.HHN. ML:1.9 0.0016699999999999998 1.72 AML other m 2021-03-27T16:50:34.04
IV.FDMO.HHE. ML:1.2 0.00019800000000000002 0.28 AML other m 2021-03-27T16:50:36.31
IV.FDMO.HHN. ML:1.2 0.0001875 0.18 AML other m 2021-03-27T16:50:36.54
IV.NRCA.HHE. ML:1.2 0.0001255 0.46 AML other m 2021-03-27T16:50:39.49
IV.ASSB.HHN. ML:1.4 0.00016849999999999998 0.26 AML other m 2021-03-27T16:50:40.11
IV.CSP1.EHE. ML:1.6 0.00026849999999999997 1.48 AML other m 2021-03-27T16:50:40.98
IV.NRCA.HHN. ML:1.3 0.00015099999999999998 0.12 AML other m 2021-03-27T16:50:40.27
IV.ASSB.HHE. ML:1.3 0.000136 1.56 AML other m 2021-03-27T16:50:40.92
IV.CSP1.EHN. ML:1.6 0.000287 1.04 AML other m 2021-03-27T16:50:41.12
IV.ATCC.EHN. ML:1.1 0.000056800000000000005 0.56 AML other m 2021-03-27T16:50:43.56
IV.ATCC.EHE. ML:1.1 0.0000603 0.12 AML other m 2021-03-27T16:50:44.18
IV.EL6.EHE. ML:1.5 0.00011269999999999999 0.16 AML other m 2021-03-27T16:50:44.77
IV.EL6.EHN. ML:1.5 0.00011625 0.18 AML other m 2021-03-27T16:50:45.26
IV.ARVD.HHE. ML:1.5 0.0000741 1.04 AML other m 2021-03-27T16:50:49.35
IV.ARVD.HHN. ML:1.4 0.000056550000000000006 1.88 AML other m 2021-03-27T16:50:49.03
IV.MPAG.EHN. ML:1.1 0.0000214 1.56 AML other m 2021-03-27T16:50:56.89
IV.MPAG.EHE. ML:1.2 0.0000269 0.88 AML other m 2021-03-27T16:51:00.49
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