Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-07-2021 and time 03:15:11 (UTC) in region 2 km E Cagli (PU)

A magnitude ML 1.3 earthquake occured in region: 2 km E Cagli (PU), on

  • 30-07-2021 03:15:11 (UTC)
  • 30-07-2021 05:15:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5460, 12.6790 at 36 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
Cagli PU 3 8731 8731
Frontone PU 6 1300 10031
Acqualagna PU 8 4393 14424
Cantiano PU 9 2245 16669
Serra Sant'Abbondio PU 10 1027 17696
Pergola PU 13 6333 24029
Piobbico PU 14 2029 26058
Fermignano PU 15 8596 34654
Scheggia e Pascelupo PG 16 1393 36047
Urbania PU 19 7099 43146
Sassoferrato AN 19 7285 50431
Fossombrone PU 19 9575 60006

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Fano (60888 inhabitants)
45 Km SW of Pesaro (94582 inhabitants)
54 Km NE of Perugia (166134 inhabitants)
58 Km S of Rimini (147750 inhabitants)
65 Km E of Arezzo (99543 inhabitants)
66 Km N of Foligno (57155 inhabitants)
68 Km W of Ancona (100861 inhabitants)
75 Km SE of Cesena (96758 inhabitants)
91 Km SE of Forlì (117913 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 1.3 2021-07-30
03:15:11		 43.5455 12.6793 36 2021-12-29
11:12:52		 Bollettino Sismico Italiano INGV 98183081
Reviewed
Rev100 		ML 1.4 2021-07-30
03:15:11		 43.5362 12.6932 38 2021-07-30
03:45:21		 Sala Sismica INGV-Roma 93382121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-30 03:15:11 ± 0.19
Latitude 43.5455 ± 0.0108
Longitude 12.6793 ± 0.0149
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98183081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1087
Semi-minor axis of confidence ellipse (meter) 1025
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.82288
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 93382121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-30 03:45:21

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 98183081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-05 15:49:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2021-07-30T03:15:33.58 0.6 undecidable manual S 150 65.3901 114 0.75 40
IV.MNTT.EHZ. 2021-07-30T03:15:28.22 0.3 undecidable manual P 126 91.3419 54 0.96 53
IV.ATCC.EHZ. 2021-07-30T03:15:28.42 0.6 undecidable manual S 185 40.1265 128 1.41 31
IV.BADI.EHZ. 2021-07-30T03:15:27.11 0.6 undecidable manual S 264 35.2425 132 1.1 36
IV.MF5.EHZ. 2021-07-30T03:15:27.66 0.3 undecidable manual P 134 88.3449 54 0.78 57
IV.COR1.EHE. 2021-07-30T03:15:26.44 0.6 undecidable manual S 70 27.5502 139 1.88 22
IV.MURB.HHZ. 2021-07-30T03:15:26.62 0.6 undecidable manual S 202 33.744 133 0.9 40
IV.ATVO.HHZ. 2021-07-30T03:15:25.36 0.6 undecidable manual S 231 28.4493 138 0.63 45
IV.PP3.EHZ. 2021-07-30T03:15:25.75 0.3 undecidable manual P 104 77.1672 54 0.26 69
IV.FOSV.EHZ. 2021-07-30T03:15:24.83 0.6 undecidable manual S 167 28.5492 138 0.08 52
IV.ATPI.EHZ. 2021-07-30T03:15:24.86 0.6 undecidable manual S 245 24.6531 143 0.78 43
IV.FDMO.HHZ. 2021-07-30T03:15:23.16 0.3 undecidable manual P 150 65.3901 114 -0.65 63
IV.SSFR.HHZ. 2021-07-30T03:15:23.03 0.6 undecidable manual S 146 14.6742 156 0.32 50
IV.CSP1.EHZ. 2021-07-30T03:15:23.74 0.3 undecidable manual P 140 65.7897 114 -0.13 72
IV.ATPC.HHE. 2021-07-30T03:15:23.73 0.6 undecidable manual S 248 19.2696 149 0.45 49
IV.APEC.HHZ. 2021-07-30T03:15:23.95 0.6 undecidable manual S 274 20.868 147 0.44 49
IV.ATBU.HNE. 2021-07-30T03:15:23.04 0.6 undecidable manual S 234 13.0758 158 0.5 49
IV.ARVD.HHZ. 2021-07-30T03:15:23.84 0.6 undecidable manual S 104 21.7671 146 0.21 51
IV.PIEI.HHZ. 2021-07-30T03:15:22.30 0.6 undecidable manual S 265 11.6772 160 -0.11 53
IV.ATSC.EHZ. 2021-07-30T03:15:22.61 0.6 undecidable manual S 178 13.4754 158 0.03 54
IV.RSM2.HHZ. 2021-07-30T03:15:22.60 0.3 undecidable manual P 337 47.4192 123 1.23 50
IV.FRON.EHZ. 2021-07-30T03:15:22.17 0.6 undecidable manual S 129 4.7952 172 0.2 53
IV.MPAG.EHZ. 2021-07-30T03:15:22.67 0.6 undecidable manual S 35 11.2776 161 0.29 51
IV.PESA.HHE. 2021-07-30T03:15:22.31 0.3 undecidable manual P 16 45.7209 124 1.15 52
IV.NARO.HHZ. 2021-07-30T03:15:22.17 0.6 undecidable manual S 312 10.7781 162 -0.16 53
IV.MML1.EHZ. 2021-07-30T03:15:21.70 0.3 undecidable manual P 154 53.4021 119 -0.47 69
IV.CPGN.EHN. 2021-07-30T03:15:20.71 0.3 undecidable manual P 315 40.4262 128 0.22 74
IV.ATCC.EHZ. 2021-07-30T03:15:20.31 0.3 undecidable manual P 185 40.1265 128 -0.14 75
IV.EL6.EHZ. 2021-07-30T03:15:20.50 0.3 undecidable manual P 125 41.625 127 -0.14 75
IV.MURB.HHZ. 2021-07-30T03:15:19.71 0.3 undecidable manual P 202 33.744 133 0 78
IV.MCIF.HNN. 2021-07-30T03:15:19.12 0.3 undecidable manual P 353 29.748 137 -0.15 77
IV.BADI.EHZ. 2021-07-30T03:15:19.94 0.3 undecidable manual P 264 35.2425 132 0.07 77
IV.COR1.EHE. 2021-07-30T03:15:19.21 0.3 undecidable manual P 70 27.5502 139 0.17 76
IV.APEC.HHZ. 2021-07-30T03:15:18.03 0.1 positive manual P 274 20.868 147 -0.4 98
IV.ATVO.HHZ. 2021-07-30T03:15:18.93 0.3 undecidable manual P 231 28.4493 138 -0.21 76
IV.ARVD.HHZ. 2021-07-30T03:15:18.07 0.3 undecidable manual P 104 21.7671 146 -0.43 73
IV.FOSV.EHZ. 2021-07-30T03:15:18.49 0.3 undecidable manual P 167 28.5492 138 -0.66 67
IV.ATPI.EHZ. 2021-07-30T03:15:18.53 0.3 undecidable manual P 245 24.6531 143 -0.23 76
IV.FRON.EHZ. 2021-07-30T03:15:17.07 0.1 positive manual P 129 4.7952 172 -0.47 100
IV.MPAG.EHZ. 2021-07-30T03:15:17.37 0.1 positive manual P 35 11.2776 161 -0.41 100
IV.NARO.HHZ. 2021-07-30T03:15:17.11 0.1 positive manual P 312 10.7781 162 -0.64 93
IV.ATBU.HNE. 2021-07-30T03:15:17.42 0.1 undecidable manual P 234 13.0758 158 -0.45 98
IV.PIEI.HHZ. 2021-07-30T03:15:17.11 0.1 positive manual P 265 11.6772 160 -0.69 91
IV.SSFR.HHZ. 2021-07-30T03:15:17.49 0.3 undecidable manual P 146 14.6742 156 -0.48 73
IV.ATSC.EHZ. 2021-07-30T03:15:17.36 0.1 undecidable manual P 178 13.4754 158 -0.54 96
IV.ATPC.HHE. 2021-07-30T03:15:17.91 0.3 undecidable manual P 248 19.2696 149 -0.39 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHN. ML:1.5 0.0001191556 0.12 AML other m 2021-07-30T03:15:22.32
IV.FRON.EHE. ML:0.9 0.000036705185 0.1008 AML other m 2021-07-30T03:15:22.38
IV.PIEI.HHN. ML:1.4 0.00010353 0.2 AML other m 2021-07-30T03:15:22.44
IV.NARO.HHN. ML:1.1 0.00005314447 0.08 AML other m 2021-07-30T03:15:22.40
IV.PIEI.HHE. ML:1.6 0.00014043044999999997 0.2608 AML other m 2021-07-30T03:15:22.55
IV.MPAG.HNE. ML:1.4 0.00010185294 1.48 AML other m 2021-07-30T03:15:22.86
IV.MPAG.EHE. ML:1.3 0.00008110376999999999 1.8608 AML other m 2021-07-30T03:15:23.98
IV.SSFR.HHN. ML:1.8 0.00022573865 0.2208 AML other m 2021-07-30T03:15:23.35
IV.SSFR.HNN. ML:1.9 0.0002832294 0.2 AML other m 2021-07-30T03:15:23.25
IV.SSFR.HHE. ML:1.8 0.0002089165 0.1808 AML other m 2021-07-30T03:15:23.85
IV.SSFR.HNE. ML:1.8 0.00025291355 0.3008 AML other m 2021-07-30T03:15:23.85
IV.APEC.HHN. ML:1.3 0.00006504899 0.12 AML other m 2021-07-30T03:15:24.11
IV.ARVD.HHN. ML:1.1 0.00003791563 0.4192 AML other m 2021-07-30T03:15:24.25
IV.APEC.HHE. ML:1.4 0.00009504999999999999 0.38 AML other m 2021-07-30T03:15:24.40
IV.FOSV.EHE. ML:0.8 0.000021076215 0.2384 AML other m 2021-07-30T03:15:25.07
IV.ATPI.EHN. ML:0.7 0.000016410990000000002 0.44 AML other m 2021-07-30T03:15:25.34
IV.ATPI.EHE. ML:0.9 0.000027431490000000003 0.4 AML other m 2021-07-30T03:15:25.34
IV.ATVO.HHN. ML:0.9 0.00002331835 0.2816 AML other m 2021-07-30T03:15:25.65
IV.MURB.HHE. ML:1.2 0.000043329159999999996 1.0592 AML other m 2021-07-30T03:15:26.54
IV.BADI.EHN. ML:1.5 0.00007986688 0.3392 AML other m 2021-07-30T03:15:27.59
IV.BADI.EHE. ML:1.5 0.00008834008 0.4208 AML other m 2021-07-30T03:15:27.63
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