Earthquake with magnitude of ML 1.7 on date 07-04-2021 and time 03:01:23 (Italy) in region 5 km S Fiordimonte (MC)

A magnitude ML 1.7 earthquake occured in region: 5 km S Fiordimonte (MC), on

  • 07-04-2021 01:01:23 (UTC)
  • 07-04-2021 03:01:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9910, 13.1020 at 10 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
Fiordimonte MC 5 202 202
Ussita MC 6 444 646
Visso MC 7 1107 1753
Fiastra MC 7 559 2312
Acquacanina MC 7 121 2433
Pieve Torina MC 7 1458 3891
Pievebovigliana MC 8 866 4757
Monte Cavallo MC 8 145 4902
Bolognola MC 10 142 5044
Muccia MC 11 915 5959
Castelsantangelo sul Nera MC 11 281 6240
Preci PG 13 724 6964
Serravalle di Chienti MC 15 1070 8034
Camerino MC 16 6974 15008
Sarnano MC 17 3264 18272
Sellano PG 18 1079 19351
Cessapalombo MC 18 512 19863
Caldarola MC 19 1823 21686

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 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 1.7 2021-04-07
01:01:23
42.9907 13.1025 10 2021-07-12
16:55:08
Bollettino Sismico Italiano INGV 89597521
Reviewed
Rev100
ML 1.7 2021-04-07
01:01:23
42.99 13.11 10 2021-04-07
01:06:21
Sala Sismica INGV-Roma 88859291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-07 01:01:23 ± 0.04
Latitude 42.9907 ± 0.0027
Longitude 13.1025 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89597521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 321
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.51981
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 89597521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-29 15:03:18

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 88859291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-07 01:06:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-04-07T01:01:42.10 0.6 undecidable manual S 135 57.6978 50 0.46 42
IV.RM33.HNE. 2021-04-07T01:01:41.02 0.6 undecidable manual S 170 54.2013 50 0.31 44
IV.ATCC.EHE. 2021-04-07T01:01:38.07 0.3 undecidable manual S 300 43.2234 50 0.29 67
IV.SMA1.EHZ. 2021-04-07T01:01:38.08 0.3 undecidable manual S 155 44.2224 50 0.04 71
IV.MNTT.EHZ. 2021-04-07T01:01:37.87 0.6 undecidable manual S 79 40.7259 50 0.75 39
IV.LNSS.HNZ. 2021-04-07T01:01:37.77 0.3 undecidable manual S 187 43.3233 50 -0.03 71
IV.CING.HNZ. 2021-04-07T01:01:37.60 0.3 undecidable manual S 10 43.3233 50 -0.21 69
IV.T1299.HNN. 2021-04-07T01:01:37.86 0.3 undecidable manual S 160 42.1245 50 0.37 66
IV.EL6.EHZ. 2021-04-07T01:01:36.27 0.3 undecidable manual S 360 37.5291 50 0.01 72
IV.GAVE.EHZ. 2021-04-07T01:01:36.41 0.3 undecidable manual S 207 37.2294 50 0.25 69
IV.MNTP.HNZ. 2021-04-07T01:01:36.14 0.6 undecidable manual S 61 33.8439 50 0.86 38
IV.MTRA.EHE. 2021-04-07T01:01:35.34 0.3 undecidable manual S 137 35.3424 50 -0.32 68
IV.ASSB.HHN. 2021-04-07T01:01:35.76 0.3 undecidable manual S 279 36.4413 50 -0.21 70
IV.MF5.EHZ. 2021-04-07T01:01:34.44 0.3 undecidable manual S 91 28.9488 50 0.47 67
IV.MURB.HNZ. 2021-04-07T01:01:34.36 0.6 undecidable manual P 303 55.6998 50 0.65 40
IV.SAP2.EHZ. 2021-04-07T01:01:33.83 0.3 undecidable manual S 64 26.751 50 0.45 67
IV.TERO.HHZ. 2021-04-07T01:01:33.85 0.1 undecidable manual P 135 57.6978 50 -0.17 90
IV.RM33.HNE. 2021-04-07T01:01:32.70 0.3 undecidable manual P 170 54.2013 50 -0.78 56
IV.CING.HNZ. 2021-04-07T01:01:31.40 0.1 undecidable manual P 10 43.3233 50 -0.41 88
IV.T1299.HNN. 2021-04-07T01:01:31.44 0.1 undecidable manual P 160 42.1245 50 -0.19 92
IV.SMA1.EHZ. 2021-04-07T01:01:31.67 0.1 undecidable manual P 155 44.2224 50 -0.27 90
IV.MNTT.EHZ. 2021-04-07T01:01:31.79 0.1 undecidable manual P 79 40.7259 50 0.38 89
IV.ATCC.EHE. 2021-04-07T01:01:31.76 0.3 undecidable manual P 300 43.2234 50 -0.03 71
IV.MMO1.EHZ. 2021-04-07T01:01:31.26 0.3 undecidable manual S 119 20.868 116 -0.43 68
IV.LNSS.HNZ. 2021-04-07T01:01:31.52 0.1 undecidable manual P 187 43.3233 50 -0.28 90
IV.GAVE.EHZ. 2021-04-07T01:01:30.62 0.1 undecidable manual P 207 37.2294 50 -0.24 92
IV.MNTP.HNZ. 2021-04-07T01:01:30.68 0.1 undecidable manual P 61 33.8439 50 0.33 91
IV.CESI.HHZ. 2021-04-07T01:01:30.53 0.3 undecidable manual S 276 16.1727 123 0.27 71
IV.PF6.EHN. 2021-04-07T01:01:30.41 0.3 undecidable manual S 24 17.9709 120 -0.39 69
IV.MTRA.EHE. 2021-04-07T01:01:30.15 0.1 undecidable manual P 137 35.3424 50 -0.42 89
IV.NRCA.HNZ. 2021-04-07T01:01:30.45 0.3 undecidable manual S 177 17.4714 121 -0.2 72
IV.ASSB.HHN. 2021-04-07T01:01:30.45 0.1 undecidable manual P 279 36.4413 50 -0.29 91
IV.EL6.EHZ. 2021-04-07T01:01:30.68 0.1 undecidable manual P 360 37.5291 50 -0.24 92
IV.MML1.HNE. 2021-04-07T01:01:30.52 0.3 undecidable manual S 322 17.2716 121 -0.07 74
IV.CSP1.EHZ. 2021-04-07T01:01:29.52 0.3 undecidable manual S 36 13.9749 127 -0.12 74
IV.SAP2.EHZ. 2021-04-07T01:01:29.37 0.1 undecidable manual P 64 26.751 50 0.12 96
IV.MF5.EHZ. 2021-04-07T01:01:29.65 0.1 undecidable manual P 91 28.9488 50 0.05 97
IV.MC2.EHZ. 2021-04-07T01:01:29.18 0.3 undecidable manual S 141 11.2776 133 0.27 72
IV.MMO1.EHZ. 2021-04-07T01:01:28.00 0.1 undecidable manual P 119 20.868 116 -0.27 94
IV.FEMA.HNZ. 2021-04-07T01:01:28.21 0.3 undecidable manual S 233 5.2947 153 0.57 67
IT.MTCL.HGZ. 2021-04-07T01:01:28.45 0.3 undecidable manual S 272 8.3805 141 0.22 73
IV.MDAR.HNN. 2021-04-07T01:01:28.28 0.3 undecidable manual P 8 22.6551 115 -0.32 70
IV.FDMO.HHZ. 2021-04-07T01:01:27.73 0.3 undecidable manual S 346 5.1948 153 0.1 75
IV.MML1.HNE. 2021-04-07T01:01:27.54 0.1 undecidable manual P 322 17.2716 121 -0.1 98
IV.CSP1.EHZ. 2021-04-07T01:01:27.00 0.1 undecidable manual P 36 13.9749 127 -0.09 99
IV.CESI.HHZ. 2021-04-07T01:01:27.54 0.1 undecidable manual P 276 16.1727 123 0.09 98
IV.PF6.EHN. 2021-04-07T01:01:27.48 0.1 undecidable manual P 24 17.9709 120 -0.28 94
IV.NRCA.HNZ. 2021-04-07T01:01:27.55 0.1 undecidable manual P 177 17.4714 121 -0.13 97
IV.MC2.EHZ. 2021-04-07T01:01:26.84 0.1 undecidable manual P 141 11.2776 133 0.17 98
IV.FDMO.HHZ. 2021-04-07T01:01:26.03 0.1 undecidable manual P 346 5.1948 153 0.1 100
IV.FEMA.HNZ. 2021-04-07T01:01:26.30 0.1 undecidable manual P 233 5.2947 153 0.36 95
IT.MTCL.HGZ. 2021-04-07T01:01:26.46 0.1 undecidable manual P 272 8.3805 141 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.8 0.000969 0.1 AML other m 2021-04-07T01:01:27.91
IV.FDMO.HHE. ML:1.4 0.00041539035000000003 0.1 AML other m 2021-04-07T01:01:28.14
IV.FEMA.HNE. ML:1.7 0.000885 0.3 AML other m 2021-04-07T01:01:28.30
IV.FEMA.HNN. ML:1.9 0.0013885 0.06 AML other m 2021-04-07T01:01:28.58
IV.CSP1.EHE. ML:2.2 0.00152 0.12 AML other m 2021-04-07T01:01:29.66
IV.CSP1.EHN. ML:1.9 0.0008745000000000001 0.18 AML other m 2021-04-07T01:01:29.73
IV.CESI.HHN. ML:1.7 0.000413 0.38 AML other m 2021-04-07T01:01:30.65
IV.CESI.HHE. ML:1.5 0.00028300000000000005 0.34 AML other m 2021-04-07T01:01:30.66
IV.NRCA.HHE. ML:1.6 0.0003435 1.06 AML other m 2021-04-07T01:01:31.87
IV.NRCA.HHN. ML:1.7 0.00041200000000000004 0.12 AML other m 2021-04-07T01:01:31.39
IV.SAP2.EHE. ML:1.7 0.00026849999999999997 0.16 AML other m 2021-04-07T01:01:34.68
IV.SAP2.EHN. ML:2.4 0.0015350000000000001 0.2 AML other m 2021-04-07T01:01:34.82
IV.GAVE.EHN. ML:1.6 0.0001375 0.92 AML other m 2021-04-07T01:01:36.41
IV.GAVE.EHE. ML:1.6 0.00014749999999999998 0.46 AML other m 2021-04-07T01:01:37.59
IV.NRCA.HNN. ML:1.6 0.0003765719 0.08 AML other m 2021-04-07T01:01:31.39
IV.NRCA.HNE. ML:1.5 0.0002773658 0.1296 AML other m 2021-04-07T01:01:31.71
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