Earthquake with magnitude of ML 1.8 on date 05-02-2021 and time 06:49:04 (UTC) in region 5 km SE Monte Cavallo (MC)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Monte Cavallo (MC), on

  • 05-02-2021 06:49:04 (UTC)
  • 05-02-2021 07:49:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9480, 13.0230 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 5 145 145
Visso MC 6 1107 1252
Preci PG 8 724 1976
Ussita MC 10 444 2420
Sellano PG 10 1079 3499
Pieve Torina MC 11 1458 4957
Fiordimonte MC 11 202 5159
Castelsantangelo sul Nera MC 12 281 5440
Pievebovigliana MC 14 866 6306
Fiastra MC 15 559 6865
Serravalle di Chienti MC 15 1070 7935
Muccia MC 15 915 8850
Acquacanina MC 15 121 8971
Cerreto di Spoleto PG 17 1075 10046
Bolognola MC 18 142 10188
Norcia PG 18 4957 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
100 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 1.8 2021-02-05
06:49:04
42.9485 13.0228 11 2021-07-12
16:54:57
Bollettino Sismico Italiano INGV 86932641
Reviewed
Rev100
ML 1.8 2021-02-05
06:49:04
42.9492 13.0325 11 2021-02-05
07:20:27
Sala Sismica INGV-Roma 86845751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-05 06:49:04 ± 0.04
Latitude 42.9485 ± 0.0027
Longitude 13.0228 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86932641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 38
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48024
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 86932641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-08 10:59:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 86845751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-05 07:20:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2021-02-05T06:49:25.80 3.0 undecidable manual P -0.23 0
IV.FOSV.HNE. 2021-02-05T06:49:19.14 3.0 undecidable manual P 43.8228 6.37 0
IV.EL6.EHZ. 2021-02-05T06:49:18.83 0.6 undecidable manual S 9 42.7239 50 0.37 44
IV.MF5.EHZ. 2021-02-05T06:49:17.38 0.3 undecidable manual S 83 35.742 50 0.79 58
IV.LNSS.HHZ. 2021-02-05T06:49:17.33 0.6 undecidable manual S 178 38.3283 50 0.03 48
IV.GAVE.EHZ. 2021-02-05T06:49:15.14 0.3 undecidable manual S 200 30.3474 50 0 73
IV.ASSB.HHZ. 2021-02-05T06:49:15.28 0.3 undecidable manual S 290 31.3464 50 -0.14 71
IV.MDAR.HNZ. 2021-02-05T06:49:14.55 3.0 undecidable manual P 0
IV.MURB.HHZ. 2021-02-05T06:49:14.32 0.3 undecidable manual P 311 53.3022 50 0.09 69
IV.MMO1.EHZ. 2021-02-05T06:49:13.35 0.6 undecidable manual S 102 25.2525 50 -0.46 45
IV.RM33.EHZ. 2021-02-05T06:49:13.85 0.3 undecidable manual P 162 51.2154 50 -0.05 70
IV.PF6.EHZ. 2021-02-05T06:49:13.48 0.3 undecidable manual S 33 25.1526 50 -0.3 69
IV.SMA1.EHN. 2021-02-05T06:49:13.25 0.3 undecidable manual P 144 43.5231 50 0.54 63
IV.ARRO.EHZ. 2021-02-05T06:49:13.35 0.6 undecidable manual P 207 46.0206 50 0.25 45
IV.ATCC.EHZ. 2021-02-05T06:49:12.33 0.3 undecidable manual P 310 40.626 50 0.06 71
IV.MOMA.HHZ. 2021-02-05T06:49:12.14 0.3 undecidable manual P 247 40.1265 50 -0.06 71
IV.CSP1.EHZ. 2021-02-05T06:49:12.60 0.3 undecidable manual S 43 21.6672 50 -0.24 70
IV.EL6.EHZ. 2021-02-05T06:49:12.56 0.3 undecidable manual P 9 42.7239 50 -0.03 71
IV.MF5.EHZ. 2021-02-05T06:49:11.79 0.1 undecidable manual P 83 35.742 50 0.27 91
IV.LNSS.HHZ. 2021-02-05T06:49:11.86 0.3 undecidable manual P 178 38.3283 50 -0.06 71
IV.SAP2.EHZ. 2021-02-05T06:49:11.42 0.6 undecidable manual P 62 34.6431 50 0.07 48
IV.MML1.HNZ. 2021-02-05T06:49:11.89 0.3 undecidable manual S 347 18.7701 50 -0.17 72
IV.MC2.EHZ. 2021-02-05T06:49:10.67 0.1 undecidable manual S 107 14.0748 128 -0.12 98
IV.ASSB.HHZ. 2021-02-05T06:49:10.76 0.1 positive manual P 290 31.3464 50 -0.08 95
IV.GUMA.HNN. 2021-02-05T06:49:10.53 0.1 undecidable manual P 63 28.3494 50 0.15 95
IV.NRCA.HNZ. 2021-02-05T06:49:10.64 0.6 undecidable manual S 150 14.7741 127 -0.33 47
IV.CESI.HHZ. 2021-02-05T06:49:10.22 0.3 undecidable manual S 303 11.4774 134 0.12 73
IV.GAVE.EHZ. 2021-02-05T06:49:10.40 0.3 undecidable manual P 200 30.3474 50 -0.28 69
IV.CSP1.EHZ. 2021-02-05T06:49:09.28 0.1 undecidable manual P 43 21.6672 50 -0.07 97
IV.MMO1.EHZ. 2021-02-05T06:49:09.71 0.1 positive manual P 102 25.2525 50 -0.2 94
IV.FDMO.HHZ. 2021-02-05T06:49:09.82 0.6 undecidable manual S 28 11.0778 135 -0.18 48
IV.PF6.EHZ. 2021-02-05T06:49:09.75 0.1 undecidable manual P 33 25.1526 50 -0.14 95
IV.FEMA.HNZ. 2021-02-05T06:49:08.57 0.6 undecidable manual S 55 2.6973 166 0.06 50
IT.MTCL.HGZ. 2021-02-05T06:49:08.62 0.6 undecidable manual S 339 5.3946 154 -0.22 49
IV.MC2.EHZ. 2021-02-05T06:49:08.18 0.1 undecidable manual P 107 14.0748 128 0.01 100
IV.NRCA.HNZ. 2021-02-05T06:49:08.14 0.1 undecidable manual P 150 14.7741 127 -0.13 97
IV.MML1.HNZ. 2021-02-05T06:49:08.87 0.1 negative manual P 347 18.7701 50 -0.03 99
IV.CESI.HHZ. 2021-02-05T06:49:07.95 0.1 positive manual P 303 11.4774 134 0.18 97
IV.FEMA.HNZ. 2021-02-05T06:49:07.04 0.1 negative manual P 55 2.6973 166 0.19 98
IT.MTCL.HGZ. 2021-02-05T06:49:07.11 0.1 negative manual P 339 5.3946 154 0.07 100
IV.FDMO.HHZ. 2021-02-05T06:49:07.74 0.1 negative manual P 28 11.0778 135 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.2 0.002915 0.14 AML other m 2021-02-05T06:49:08.72
IV.FEMA.HNN. ML:1.9 0.001415 0.5 AML other m 2021-02-05T06:49:09.36
IV.FDMO.HHN. ML:1.8 0.0007975000000000001 0.2 AML other m 2021-02-05T06:49:09.98
IV.FDMO.HHE. ML:1.8 0.000708 1.48 AML other m 2021-02-05T06:49:10.93
IV.NRCA.HNN. ML:1.7 0.0004885 0.98 AML other m 2021-02-05T06:49:11.15
IV.NRCA.HHN. ML:1.7 0.00046950000000000003 0.16 AML other m 2021-02-05T06:49:11.19
IV.NRCA.HHE. ML:1.7 0.0005064999999999999 0.1 AML other m 2021-02-05T06:49:11.35
IV.NRCA.HNE. ML:1.7 0.0005064999999999999 1.16 AML other m 2021-02-05T06:49:11.36
IV.ASSB.HHE. ML:1.7 0.00020600000000000002 0.28 AML other m 2021-02-05T06:49:15.62
IV.ASSB.HHN. ML:1.9 0.00034950000000000004 0.08 AML other m 2021-02-05T06:49:15.73
IV.MF5.EHE. ML:1.9 0.00030199999999999997 1.82 AML other m 2021-02-05T06:49:18.93
IV.MF5.EHN. ML:1.6 0.00017749999999999998 1.84 AML other m 2021-02-05T06:49:18.02
IV.LNSS.HHE. ML:1.5 0.0001152 1.22 AML other m 2021-02-05T06:49:18.04
IV.LNSS.HHN. ML:1.4 0.00009975 1.02 AML other m 2021-02-05T06:49:18.59
IV.MOMA.HHN. ML:1.6 0.0001435 0.16 AML other m 2021-02-05T06:49:19.25
IV.MOMA.HHE. ML:1.8 0.000201 0.18 AML other m 2021-02-05T06:49:19.46
IV.EL6.EHE. ML:1.8 0.00020400000000000003 1.4 AML other m 2021-02-05T06:49:19.08
IV.EL6.EHN. ML:1.8 0.00020475000000000002 0.26 AML other m 2021-02-05T06:49:19.74
IV.MURB.HHN. ML:1.5 0.00007364999999999999 0.16 AML other m 2021-02-05T06:49:24.84
IV.MURB.HHE. ML:1.7 0.00010899999999999999 0.24 AML other m 2021-02-05T06:49:25.57
IV.VVLD.HHN. ML:2.0 0.00006665000000000001 0.08 AML other m 2021-02-05T06:49:37.67
IV.VVLD.HHE. ML:1.7 0.0000326 1.04 AML other m 2021-02-05T06:49:49.52
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