Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-07-2021 and time 11:51:35 (Italy) in region 4 km SE Serravalle di Chienti (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Serravalle di Chienti (MC), on

  • 30-07-2021 09:51:35 (UTC)
  • 30-07-2021 11:51:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0360, 12.9760 at 14 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
Serravalle di Chienti MC 4 1070 1070
Monte Cavallo MC 5 145 1215
Pieve Torina MC 6 1458 2673
Muccia MC 8 915 3588
Fiordimonte MC 9 202 3790
Pievebovigliana MC 9 866 4656
Sefro MC 13 422 5078
Camerino MC 13 6974 12052
Fiastra MC 15 559 12611
Visso MC 15 1107 13718
Pioraco MC 16 1134 14852
Acquacanina MC 16 121 14973
Ussita MC 17 444 15417
Sellano PG 17 1079 16496
Nocera Umbra PG 17 5839 22335
Fiuminata MC 17 1402 23737
Valtopina PG 18 1398 25135
Preci PG 18 724 25859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 inhabitants)
99 Km NE of Viterbo (67173 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 2.0 2021-07-30
09:51:35		 43.0365 12.9758 15 2021-12-29
11:12:51		 Bollettino Sismico Italiano INGV 97334431
Reviewed
Rev100 		ML 2.0 2021-07-30
09:51:35		 43.0378 12.9738 14 2021-07-30
09:58:01		 Sala Sismica INGV-Roma 93397921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-30 09:51:35 ± 0.04
Latitude 43.0365 ± 0.0018
Longitude 12.9758 ± 0.0025
Depth (km) 15 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97334431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 209
Semi-minor axis of confidence ellipse (meter) 133
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 93397921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-30 09:58:01

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 97334431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-05 16:49:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2021-07-30T09:52:04.32 3.0 negative manual Pn 0.83 0
IV.TST02.HHZ. 2021-07-30T09:52:03.29 3.0 undecidable manual Pg 1.26 0
IV.PIEI.HHZ. 2021-07-30T09:51:57.27 3.0 undecidable manual S 0.34 0
IV.MCIV.CHZ. 2021-07-30T09:51:55.50 3.0 positive manual P 0.58 0
IV.CESX.HHZ. 2021-07-30T09:51:53.71 0.6 undecidable manual S 214 57.0984 94 0.26 43
IV.FRON.EHZ. 2021-07-30T09:51:53.92 0.6 undecidable manual S 339 57.0984 94 0.47 42
IV.CING.HHZ. 2021-07-30T09:51:49.68 0.6 undecidable manual S 25 41.625 97 0.34 44
IV.MOMA.HHZ. 2021-07-30T09:51:49.51 3.0 undecidable manual S 0.08 0
IV.GAVE.EHZ. 2021-07-30T09:51:48.66 0.6 undecidable manual S 190 38.7279 97 0.07 46
IV.PIEI.HHZ. 2021-07-30T09:51:47.21 3.0 positive manual P -0.41 0
IV.FOSV.EHZ. 2021-07-30T09:51:47.16 0.6 undecidable manual S 329 33.5442 99 -0.04 47
IV.MPAG.EHZ. 2021-07-30T09:51:47.67 3.0 positive manual P -0.36 0
IV.EL6.EHZ. 2021-07-30T09:51:47.47 0.3 undecidable manual S 17 34.0437 99 0.13 70
IV.ATCC.EHZ. 2021-07-30T09:51:46.97 0.3 undecidable manual S 301 31.8459 100 0.22 70
IV.RM33.EHZ. 2021-07-30T09:51:46.86 3.0 undecidable manual P -0.36 0
IV.GUMA.HHZ. 2021-07-30T09:51:46.81 3.0 undecidable manual S 0.66 0
IV.ATVO.HHZ. 2021-07-30T09:51:46.50 0.3 undecidable manual P 310 59.8956 94 0.11 67
IV.ARRO.EHZ. 2021-07-30T09:51:45.49 0.3 undecidable manual P 199 53.502 95 0.08 68
IV.CESX.HHZ. 2021-07-30T09:51:45.69 0.3 undecidable manual P 214 57.0984 94 -0.26 66
IV.ASSB.HHZ. 2021-07-30T09:51:45.07 0.3 undecidable manual S 272 25.752 104 -0.09 71
IV.FRON.EHZ. 2021-07-30T09:51:45.77 0.3 undecidable manual P 339 57.0984 94 -0.19 67
IV.SMA1.EHZ. 2021-07-30T09:51:45.31 3.0 positive manual P -0.63 0
IV.MURB.HHZ. 2021-07-30T09:51:44.06 3.0 undecidable manual P 0.05 0
IV.MC2.EHZ. 2021-07-30T09:51:44.43 3.0 undecidable manual S 0.11 0
IV.LNSS.HHZ. 2021-07-30T09:51:44.67 3.0 negative manual P -0.29 0
IV.ATFO.HHZ. 2021-07-30T09:51:44.74 0.3 undecidable manual P 318 49.1175 95 0.01 70
IT.FOPC.HGZ. 2021-07-30T09:51:44.74 0.3 undecidable manual S 252 23.3544 107 0.19 71
IV.NRCA.HNZ. 2021-07-30T09:51:44.81 3.0 undecidable manual S -0.28 0
IV.SSFR.HHZ. 2021-07-30T09:51:44.25 3.0 positive manual P -0.26 0
IV.MDAR.HNZ. 2021-07-30T09:51:44.12 3.0 undecidable manual S -0.09 0
IV.CING.HHZ. 2021-07-30T09:51:43.50 0.1 undecidable manual P 25 41.625 97 -0.08 94
IV.MOMA.HHZ. 2021-07-30T09:51:43.62 3.0 negative manual P -0.04 0
IV.CSP1.EHZ. 2021-07-30T09:51:43.66 0.3 undecidable manual S 72 19.5693 112 0.07 73
IV.MF5.EHZ. 2021-07-30T09:51:43.68 3.0 undecidable manual P 0.33 0
IV.PF6.EHZ. 2021-07-30T09:51:43.71 3.0 undecidable manual S -0.26 0
IV.GAVE.EHZ. 2021-07-30T09:51:43.03 0.1 undecidable manual P 190 38.7279 97 -0.12 94
IV.FIU1.HNZ. 2021-07-30T09:51:42.94 0.3 undecidable manual S 348 17.2716 117 -0.09 72
IV.GUMA.HHZ. 2021-07-30T09:51:42.03 3.0 undecidable manual P 0.27 0
IV.ATCC.EHZ. 2021-07-30T09:51:42.08 0.1 undecidable manual P 301 31.8459 100 -0.01 96
IV.FOSV.EHZ. 2021-07-30T09:51:42.23 0.1 negative manual P 329 33.5442 99 -0.12 94
IV.PIO1.HNZ. 2021-07-30T09:51:42.75 3.0 undecidable manual S 0.12 0
IV.EL6.EHZ. 2021-07-30T09:51:42.35 0.1 negative manual P 17 34.0437 99 -0.08 95
IV.MML1.EHZ. 2021-07-30T09:51:41.18 3.0 undecidable manual S 0.03 0
IV.FEMA.HNZ. 2021-07-30T09:51:41.65 0.3 undecidable manual S 144 10.1787 136 0.14 73
IV.SEF1.HNZ. 2021-07-30T09:51:41.83 3.0 undecidable manual S -0.06 0
IV.FDMO.HHZ. 2021-07-30T09:51:41.17 0.1 undecidable manual S 90 9.0798 140 -0.13 98
IV.ASSB.HHZ. 2021-07-30T09:51:41.03 0.1 positive manual P 272 25.752 104 -0.14 95
IV.PF6.EHZ. 2021-07-30T09:51:40.35 3.0 undecidable manual P -0.15 0
IV.NRCA.HNZ. 2021-07-30T09:51:40.95 3.0 negative manual P -0.2 0
IV.MDAR.HNZ. 2021-07-30T09:51:40.57 3.0 undecidable manual P -0.07 0
IV.MTL1.HNZ. 2021-07-30T09:51:40.97 3.0 undecidable manual P -0.04 0
IV.MC2.EHZ. 2021-07-30T09:51:40.63 3.0 positive manual P -0.08 0
IV.CESI.HHZ. 2021-07-30T09:51:40.89 0.1 undecidable manual S 239 6.7932 149 -0.06 99
IV.CSP1.EHZ. 2021-07-30T09:51:40.27 0.1 negative manual P 72 19.5693 112 0 98
IT.FOPC.HGZ. 2021-07-30T09:51:40.78 0.3 undecidable manual P 252 23.3544 107 -0.04 73
IV.SEF1.HNZ. 2021-07-30T09:51:39.27 3.0 undecidable manual P -0.03 0
IV.PIO1.HNZ. 2021-07-30T09:51:39.58 3.0 undecidable manual P -0.15 0
IV.FIU1.HNZ. 2021-07-30T09:51:39.83 0.3 undecidable manual P 348 17.2716 117 -0.12 72
IV.FEMA.HNZ. 2021-07-30T09:51:39.13 0.1 positive manual P 144 10.1787 136 0.06 98
IV.CESI.HHZ. 2021-07-30T09:51:38.79 0.1 positive manual P 239 6.7932 149 0.05 100
IV.FDMO.HHZ. 2021-07-30T09:51:38.91 0.1 positive manual P 90 9.0798 140 -0.04 100
IV.MML1.EHZ. 2021-07-30T09:51:38.93 3.0 negative manual P 0.06 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:2.3 0.00239 1.72 AML other m 2021-07-30T09:51:40.09
IV.CESI.HHE. ML:2.3 0.00226 0.08 AML other m 2021-07-30T09:51:40.94
IV.FDMO.HHN. ML:2.6 0.004369999999999999 0.14 AML other m 2021-07-30T09:51:41.25
IV.FDMO.HHE. ML:2.6 0.00424 0.12 AML other m 2021-07-30T09:51:41.36
IV.MML1.EHE. ML:2.1 0.001245 0.24 AML other m 2021-07-30T09:51:41.54
IV.MML1.HNE. ML:2.1 0.0012250000000000002 0.24 AML other m 2021-07-30T09:51:41.54
IV.MML1.HNN. ML:2.1 0.001375 0.54 AML other m 2021-07-30T09:51:42.42
IV.MML1.EHN. ML:2.1 0.001305 0.54 AML other m 2021-07-30T09:51:42.42
IV.CSP1.EHN. ML:2.6 0.002955 0.36 AML other m 2021-07-30T09:51:43.96
IV.CSP1.EHE. ML:2.6 0.002375 1.3 AML other m 2021-07-30T09:51:43.85
IV.NRCA.HHN. ML:2.4 0.00124 1.34 AML other m 2021-07-30T09:51:45.03
IV.NRCA.HNN. ML:2.4 0.001245 1.32 AML other m 2021-07-30T09:51:45.04
IV.ASSB.HHE. ML:1.9 0.00045650000000000004 1.22 AML other m 2021-07-30T09:51:45.96
IV.ASSB.HHN. ML:1.8 0.000368 0.14 AML other m 2021-07-30T09:51:45.92
IV.NRCA.HHE. ML:2.1 0.000682 0.14 AML other m 2021-07-30T09:51:46.76
IV.NRCA.HNE. ML:2.1 0.0006670000000000001 0.14 AML other m 2021-07-30T09:51:46.77
IV.GUMA.HHE. ML:2.3 0.0009065000000000001 1.78 AML other m 2021-07-30T09:51:47.03
IV.ATCC.EHN. ML:1.7 0.000203 0.24 AML other m 2021-07-30T09:51:47.29
IV.FOSV.EHE. ML:1.9 0.0003075 0.24 AML other m 2021-07-30T09:51:47.48
IV.GUMA.HHN. ML:2.0 0.0004535 0.3 AML other m 2021-07-30T09:51:47.84
IV.FOSV.EHN. ML:1.7 0.000215 0.28 AML other m 2021-07-30T09:51:47.72
IV.ATCC.EHE. ML:1.7 0.00022449999999999998 0.42 AML other m 2021-07-30T09:51:48.42
IV.EL6.EHN. ML:2.0 0.00035499999999999996 0.26 AML other m 2021-07-30T09:51:48.35
IV.EL6.EHE. ML:2.0 0.00035499999999999996 1.12 AML other m 2021-07-30T09:51:48.35
IV.GAVE.EHE. ML:2.2 0.0005455 0.98 AML other m 2021-07-30T09:51:48.92
IV.GAVE.EHN. ML:2.3 0.0006644999999999999 0.98 AML other m 2021-07-30T09:51:49.72
IV.CING.HHN. ML:1.5 0.00010214999999999999 0.9 AML other m 2021-07-30T09:51:49.90
IV.MF5.EHN. ML:1.7 0.0001805 0.26 AML other m 2021-07-30T09:51:50.23
IV.CING.HHE. ML:1.6 0.00011449999999999999 0.72 AML other m 2021-07-30T09:51:50.91
IV.MOMA.HHE. ML:2.2 0.0004975 0.2 AML other m 2021-07-30T09:51:50.71
IV.MOMA.HNE. ML:2.2 0.00046950000000000003 0.2 AML other m 2021-07-30T09:51:50.72
IV.MOMA.HHN. ML:2.2 0.000458 0.64 AML other m 2021-07-30T09:51:50.86
IV.MOMA.HNN. ML:2.1 0.00041549999999999996 0.2 AML other m 2021-07-30T09:51:50.77
IV.MURB.HHN. ML:1.9 0.00024249999999999999 0.42 AML other m 2021-07-30T09:51:51.44
IV.MURB.HHE. ML:2.2 0.00045850000000000003 0.3 AML other m 2021-07-30T09:51:51.66
IV.LNSS.HHE. ML:2.1 0.000308 0.12 AML other m 2021-07-30T09:51:52.10
IV.LNSS.HHN. ML:2.2 0.0004505 0.92 AML other m 2021-07-30T09:51:52.53
IV.ATFO.HHE. ML:1.4 0.000071 0.42 AML other m 2021-07-30T09:51:52.87
IV.SSFR.HNE. ML:2.2 0.0004275 0.7 AML other m 2021-07-30T09:51:52.74
IV.ATFO.HHN. ML:1.4 0.00006494999999999999 0.32 AML other m 2021-07-30T09:51:52.82
IV.SSFR.HHE. ML:2.0 0.0002595 0.42 AML other m 2021-07-30T09:51:53.67
IV.MF5.EHE. ML:1.7 0.00015475 0.52 AML other m 2021-07-30T09:51:53.92
IV.ARRO.EHN. ML:1.6 0.0001045 1.24 AML other m 2021-07-30T09:51:53.37
IV.SSFR.HNN. ML:2.2 0.00045650000000000004 1.16 AML other m 2021-07-30T09:51:54.76
IV.ARRO.EHE. ML:1.7 0.00011245 0.56 AML other m 2021-07-30T09:51:54.40
IV.SSFR.HHN. ML:2.1 0.00035999999999999997 0.66 AML other m 2021-07-30T09:51:54.75
IV.CESX.HHN. ML:2.0 0.00021300000000000003 0.38 AML other m 2021-07-30T09:51:54.74
IV.SMA1.EHN. ML:1.6 0.00009195 1.48 AML other m 2021-07-30T09:51:55.02
IV.FRON.EHN. ML:1.8 0.00015099999999999998 1.54 AML other m 2021-07-30T09:51:55.20
IV.CESX.HHE. ML:1.9 0.00016749999999999998 0.36 AML other m 2021-07-30T09:51:55.48
IV.FRON.EHE. ML:1.7 0.00010499999999999999 0.14 AML other m 2021-07-30T09:51:55.91
IV.RM33.EHN. ML:1.6 0.00007769999999999999 0.28 AML other m 2021-07-30T09:51:56.84
IV.PIEI.HHE. ML:1.7 0.00008425 0.1 AML other m 2021-07-30T09:51:57.54
IV.RM33.EHE. ML:1.7 0.00010600000000000002 0.18 AML other m 2021-07-30T09:51:57.45
IV.SMA1.EHE. ML:1.7 0.000111 0.44 AML other m 2021-07-30T09:51:57.57
IV.PIEI.HHN. ML:1.5 0.000059399999999999994 0.48 AML other m 2021-07-30T09:51:58.15
IV.ATVO.HHN. ML:1.3 0.0000387 1.12 AML other m 2021-07-30T09:51:58.77
IV.ATVO.HHE. ML:1.2 0.00002985 0.6 AML other m 2021-07-30T09:51:58.42
IV.MPAG.EHE. ML:1.8 0.0001 0.28 AML other m 2021-07-30T09:51:58.60
IV.MPAG.EHN. ML:1.6 0.00007209999999999999 0.36 AML other m 2021-07-30T09:51:59.96
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
Waveforms Seismic signals in miniseed + resp format Download