Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-07-2021 and time 21:18:03 (UTC) in region 3 km S Fiordimonte (MC)

A magnitude ML 1.5 earthquake occured in region: 3 km S Fiordimonte (MC), on

  • 08-07-2021 21:18:03 (UTC)
  • 08-07-2021 23:18:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0120, 13.0940 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fiordimonte MC 3 202 202
Pieve Torina MC 5 1458 1660
Pievebovigliana MC 6 866 2526
Fiastra MC 6 559 3085
Acquacanina MC 7 121 3206
Monte Cavallo MC 8 145 3351
Ussita MC 8 444 3795
Muccia MC 9 915 4710
Visso MC 9 1107 5817
Bolognola MC 11 142 5959
Serravalle di Chienti MC 13 1070 7029
Camerino MC 14 6974 14003
Castelsantangelo sul Nera MC 14 281 14284
Preci PG 15 724 15008
Sarnano MC 17 3264 18272
Cessapalombo MC 17 512 18784
Caldarola MC 18 1823 20607
Sefro MC 19 422 21029
Sellano PG 19 1079 22108
Camporotondo di Fiastrone MC 19 563 22671
Serrapetrona MC 20 966 23637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
93 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 1.5 2021-07-08
21:18:03		 43.0123 13.0943 9 2021-12-29
11:12:12		 Bollettino Sismico Italiano INGV 92991251
Reviewed
Rev100 		ML 1.5 2021-07-08
21:18:03		 43.0137 13.0913 8 2021-07-08
21:22:01		 Sala Sismica INGV-Roma 92448451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-08 21:18:03 ± 0.04
Latitude 43.0123 ± 0.0027
Longitude 13.0943 ± 0.0037
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 92991251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 271
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.61064
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 92991251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-20 15:15:44

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 92448451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-08 21:22:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-07-08T21:18:22.00 0.6 undecidable manual S 347 55.3002 50 0.53 41
IV.ARRO.EHZ. 2021-07-08T21:18:21.42 0.6 undecidable manual S 209 55.0005 50 0.02 46
IV.SSFR.HHN. 2021-07-08T21:18:21.83 0.6 undecidable manual S 332 53.4021 50 0.87 36
IV.LNSS.HNZ. 2021-07-08T21:18:19.30 0.6 undecidable manual S 186 45.621 50 0.4 43
IV.SMA1.EHZ. 2021-07-08T21:18:19.28 0.6 undecidable manual S 155 46.7199 50 0.11 46
IV.T1299.HNN. 2021-07-08T21:18:18.91 0.6 undecidable manual S 160 44.622 50 0.27 44
IV.FOSV.EHZ. 2021-07-08T21:18:18.08 0.6 undecidable manual S 319 41.3253 50 0.33 44
IV.ATCC.EHZ. 2021-07-08T21:18:18.15 0.6 undecidable manual S 298 41.5251 50 0.35 44
IV.CING.HHZ. 2021-07-08T21:18:17.56 0.6 undecidable manual S 11 41.1255 50 -0.13 46
IV.GAVE.EHZ. 2021-07-08T21:18:17.13 0.6 undecidable manual S 205 39.0276 50 -0.01 47
IV.EL6.EHZ. 2021-07-08T21:18:16.20 0.6 undecidable manual S 1 35.1426 50 0.1 47
IV.ASSB.HHZ. 2021-07-08T21:18:16.20 0.6 undecidable manual S 276 35.5422 50 0.01 48
IV.ATBU.EHZ. 2021-07-08T21:18:16.40 0.3 undecidable manual P 320 67.7766 50 0.5 61
IV.MF5.EHZ. 2021-07-08T21:18:15.22 0.6 undecidable manual S 95 29.748 106 0.71 40
IV.ATSC.EHE. 2021-07-08T21:18:13.95 0.3 undecidable manual P 324 56.2992 50 -0.19 66
IV.ARRO.EHZ. 2021-07-08T21:18:13.65 0.3 undecidable manual P 209 55.0005 50 -0.29 65
IV.SSFR.HHN. 2021-07-08T21:18:13.51 0.3 undecidable manual P 332 53.4021 50 -0.18 67
IV.ARVD.HHZ. 2021-07-08T21:18:13.92 0.3 undecidable manual P 347 55.3002 50 -0.06 68
IV.SMA1.EHZ. 2021-07-08T21:18:12.51 0.3 undecidable manual P 155 46.7199 50 -0.14 68
IV.T1299.HNN. 2021-07-08T21:18:12.15 0.1 undecidable manual P 160 44.622 50 -0.19 90
IV.MMO1.EHZ. 2021-07-08T21:18:12.17 0.6 undecidable manual S 124 22.6551 111 0 49
IV.LNSS.HNZ. 2021-07-08T21:18:12.19 0.3 undecidable manual P 186 45.621 50 -0.31 66
IV.GAVE.EHZ. 2021-07-08T21:18:11.44 0.1 undecidable manual P 205 39.0276 50 -0.04 94
IV.NRCA.HHZ. 2021-07-08T21:18:11.37 0.6 undecidable manual S 175 19.869 114 0.08 48
IV.CING.HHZ. 2021-07-08T21:18:11.62 0.1 undecidable manual P 11 41.1255 50 -0.18 91
IV.FOSV.EHZ. 2021-07-08T21:18:11.60 0.1 undecidable manual P 319 41.3253 50 -0.23 90
IV.GUMA.HHZ. 2021-07-08T21:18:11.90 0.6 undecidable manual S 74 20.2686 113 0.48 44
IV.ATCC.EHZ. 2021-07-08T21:18:11.68 0.1 undecidable manual P 298 41.5251 50 -0.18 91
IV.CESI.HHZ. 2021-07-08T21:18:10.34 0.3 undecidable manual S 267 15.3735 120 0.45 68
IV.MF5.EHZ. 2021-07-08T21:18:10.20 0.1 undecidable manual P 95 29.748 106 0.25 92
IV.PF6.EHN. 2021-07-08T21:18:10.01 0.6 undecidable manual S 30 16.0728 119 -0.09 48
IV.EL6.EHZ. 2021-07-08T21:18:10.66 0.1 undecidable manual P 1 35.1426 50 -0.22 91
IV.ASSB.HHZ. 2021-07-08T21:18:10.66 0.1 undecidable manual P 276 35.5422 50 -0.27 90
IV.MC2.EHZ. 2021-07-08T21:18:09.83 0.6 undecidable manual S 146 13.5753 123 0.48 45
IV.MML1.EHZ. 2021-07-08T21:18:09.89 0.3 undecidable manual S 318 14.9739 120 0.12 72
IV.GUMA.HHZ. 2021-07-08T21:18:08.44 0.1 undecidable manual P 74 20.2686 113 0.26 93
IV.CSP1.EHZ. 2021-07-08T21:18:08.88 0.3 undecidable manual S 45 12.5763 125 -0.17 72
IV.NRCA.HHZ. 2021-07-08T21:18:08.00 0.1 undecidable manual P 175 19.869 114 -0.1 96
IV.MMO1.EHZ. 2021-07-08T21:18:08.33 0.1 negative manual P 124 22.6551 111 -0.28 92
IV.MML1.EHZ. 2021-07-08T21:18:07.21 0.1 negative manual P 318 14.9739 120 -0.01 99
IV.FEMA.HNE. 2021-07-08T21:18:07.69 0.6 undecidable manual S 213 6.6933 143 0.13 49
IV.CESI.HHZ. 2021-07-08T21:18:07.52 0.1 negative manual P 267 15.3735 120 0.23 94
IT.MTCL.HGZ. 2021-07-08T21:18:07.81 0.3 undecidable manual S 255 7.9809 138 -0.04 75
IV.PF6.EHN. 2021-07-08T21:18:07.20 0.1 undecidable manual P 30 16.0728 119 -0.21 95
IV.CSP1.EHZ. 2021-07-08T21:18:06.76 0.1 positive manual P 45 12.5763 125 -0.05 98
IT.MTCL.HGZ. 2021-07-08T21:18:06.13 0.1 undecidable manual P 255 7.9809 138 0.02 100
IV.MC2.EHZ. 2021-07-08T21:18:06.90 0.1 negative manual P 146 13.5753 123 -0.08 98
IV.FDMO.HHZ. 2021-07-08T21:18:05.01 0.1 positive manual P 348 2.6973 163 -0.57 89
IV.FEMA.HNE. 2021-07-08T21:18:05.92 0.1 undecidable manual P 213 6.6933 143 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.8 0.0008299173 0.192 AML other m 2021-07-08T21:18:09.13
IV.MML1.EHN. ML:1.5 0.00030517745 0.1536 AML other m 2021-07-08T21:18:10.34
IV.MML1.HNN. ML:1.5 0.0002923501 0.1664 AML other m 2021-07-08T21:18:10.34
IV.CESI.HHE. ML:1.5 0.000301786495 0.1792 AML other m 2021-07-08T21:18:10.68
IV.CESI.HHN. ML:1.7 0.0005365 0.14 AML other m 2021-07-08T21:18:10.53
IV.CSP1.EHN. ML:2.0 0.00108736775 0.32 AML other m 2021-07-08T21:18:10.41
IV.MML1.EHE. ML:1.1 0.0001374214 0.1152 AML other m 2021-07-08T21:18:11.07
IV.MML1.HNE. ML:1.2 0.00014550019 0.1152 AML other m 2021-07-08T21:18:11.07
IV.NRCA.HHN. ML:1.6 0.0003348783 0.32 AML other m 2021-07-08T21:18:11.67
IV.NRCA.HHE. ML:1.6 0.0002997293 0.32 AML other m 2021-07-08T21:18:11.85
IV.GUMA.HHE. ML:1.9 0.0006085 0.3 AML other m 2021-07-08T21:18:12.27
IV.GUMA.HHN. ML:1.7 0.00035999999999999997 0.4 AML other m 2021-07-08T21:18:13.26
IV.ASSB.HHN. ML:1.4 0.000110719365 0.2432 AML other m 2021-07-08T21:18:16.56
IV.EL6.EHN. ML:1.3 0.00008628472000000001 0.2176 AML other m 2021-07-08T21:18:17.40
IV.ASSB.HHE. ML:1.3 0.00008327197 0.1024 AML other m 2021-07-08T21:18:17.00
IV.GAVE.EHE. ML:1.4 0.00008915000000000001 0.28 AML other m 2021-07-08T21:18:18.47
IV.FOSV.EHN. ML:1.3 0.00006715 0.88 AML other m 2021-07-08T21:18:18.53
IV.GAVE.EHN. ML:1.5 0.000124027265 0.2048 AML other m 2021-07-08T21:18:17.91
IV.ATCC.EHE. ML:1.6 0.00011999999999999999 0.14 AML other m 2021-07-08T21:18:18.91
IV.FOSV.EHE. ML:1.1 0.0000399443875 0.1664 AML other m 2021-07-08T21:18:18.55
IV.ATCC.EHN. ML:1.4 0.000076224215 0.3072 AML other m 2021-07-08T21:18:18.68
IV.EL6.EHE. ML:1.3 0.00007670854000000001 0.128 AML other m 2021-07-08T21:18:17.23
IV.CESI.HNN. ML:1.7 0.000484971 0.1408 AML other m 2021-07-08T21:18:10.46
IV.CESI.HNE. ML:1.4 0.00025906375000000006 0.1792 AML other m 2021-07-08T21:18:10.69
IV.NRCA.HNN. ML:1.6 0.00027630719999999996 0.1792 AML other m 2021-07-08T21:18:11.67
IV.NRCA.HNE. ML:1.6 0.0002882203 0.32 AML other m 2021-07-08T21:18:11.85
IV.GUMA.HNE. ML:1.7 0.00039202295 0.4096 AML other m 2021-07-08T21:18:12.25
IV.CING.HHN. ML:1.0 0.000028336145 0.1792 AML other m 2021-07-08T21:18:19.81
IV.CING.HHE. ML:1.1 0.00004362739 0.2048 AML other m 2021-07-08T21:18:18.82
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