Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 19-09-2021 and time 01:20:14 (Italy) in region 2 km NE Genga (AN)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Genga (AN), on

  • 18-09-2021 23:20:14 (UTC)
  • 19-09-2021 01:20:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4440, 12.9460 at 44 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Genga AN 2 1797 1797
Serra San Quirico AN 6 2850 4647
Arcevia AN 6 4612 9259
Sassoferrato AN 7 7285 16544
Mergo AN 8 1037 17581
Rosora AN 11 1985 19566
Fabriano AN 12 31480 51046
Castelplanio AN 12 3540 54586
Poggio San Marcello AN 13 693 55279
Poggio San Vicino MC 13 246 55525
Montecarotto AN 13 1987 57512
Serra de' Conti AN 13 3746 61258
Cupramontana AN 14 4756 66014
Cerreto d'Esi AN 14 3817 69831
Maiolati Spontini AN 15 6248 76079
Serra Sant'Abbondio PU 15 1027 77106
Pergola PU 16 6333 83439
Apiro MC 16 2280 85719
Monte Roberto AN 16 3061 88780
Barbara AN 17 1368 90148
Castelbellino AN 17 4947 95095
San Lorenzo in Campo PU 18 3414 98509
Castelleone di Suasa AN 18 1676 100185
San Paolo di Jesi AN 19 933 101118
Frontone PU 19 1300 102418
Staffolo AN 20 2253 104671
Ostra Vetere AN 20 3311 107982

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Fano (60888 inhabitants)
50 Km W of Ancona (100861 inhabitants)
52 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
75 Km SE of Rimini (147750 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
96 Km SE of Cesena (96758 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
Reviewed
Rev100 		ML 1.4 2021-09-18
23:20:14		 43.4442 12.9463 44 2021-09-18
23:29:07		 Sala Sismica INGV-Roma 95605401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-18 23:20:14 ± 0.13
Latitude 43.4442 ± 0.0063
Longitude 12.9463 ± 0.0087
Depth (km) 44 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95605401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 798
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45236
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 95605401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-18 23:29:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2021-09-18T23:20:38.92 3.0 undecidable manual S 0.84 0
IV.ASSB.HHZ. 2021-09-18T23:20:33.38 0.3 undecidable manual S 208 50.2164 113 0.02 71
IV.FDMO.HHZ. 2021-09-18T23:20:33.00 0.3 undecidable manual S 166 46.62 117 0.35 66
IV.CSP1.EHZ. 2021-09-18T23:20:32.60 0.3 undecidable manual S 152 44.3223 119 0.39 66
IV.ATCC.EHZ. 2021-09-18T23:20:31.34 0.1 undecidable manual S 221 37.9287 125 0.3 91
IV.CRE.HHZ. 2021-09-18T23:20:31.00 3.0 undecidable manual Pn 1.6 0
IV.ATFO.HHZ. 2021-09-18T23:20:30.17 0.3 undecidable manual S 254 31.4463 133 0.22 70
IV.CAFI.HHZ. 2021-09-18T23:20:30.35 3.0 negative manual Pg 0.91 0
IV.MML1.EHZ. 2021-09-18T23:20:30.88 0.1 undecidable manual S 177 36.741 127 0.05 96
IV.NARO.HHZ. 2021-09-18T23:20:30.73 0.1 undecidable manual S 302 34.743 129 0.23 93
IV.MPAG.EHZ. 2021-09-18T23:20:29.45 0.1 undecidable manual S 324 25.4523 141 0.38 92
IV.MF5.EHZ. 2021-09-18T23:20:28.35 3.0 negative manual P 0.32 0
IV.FRON.EHZ. 2021-09-18T23:20:28.32 0.1 undecidable manual S 295 19.5693 149 -0.02 100
IV.MMO1.EHZ. 2021-09-18T23:20:28.34 3.0 negative manual Pg -0.07 0
IV.EL6.EHZ. 2021-09-18T23:20:28.42 0.3 undecidable manual S 135 17.871 151 0.26 71
IV.CRTC.HHZ. 2021-09-18T23:20:28.49 3.0 undecidable manual S -0.98 0
IV.CING.HHZ. 2021-09-18T23:20:28.85 0.3 undecidable manual S 111 21.4674 146 0.29 70
IV.SNTG.HHZ. 2021-09-18T23:20:28.19 0.1 undecidable manual S 181 20.9679 147 -0.32 94
IV.ARVD.HHZ. 2021-09-18T23:20:27.04 0.3 undecidable manual S 356 5.994 170 -0.27 73
IV.SSFR.HHZ. 2021-09-18T23:20:27.46 0.1 undecidable manual S 266 13.2756 158 -0.27 96
IV.PARC.HHZ. 2021-09-18T23:20:27.55 3.0 positive manual Pn 0.83 0
IV.MNTP.HNZ. 2021-09-18T23:20:26.48 3.0 negative manual P -0.08 0
IV.CSP1.EHZ. 2021-09-18T23:20:25.13 0.1 undecidable manual P 152 44.3223 119 0.21 92
IV.APEC.HHZ. 2021-09-18T23:20:25.46 3.0 positive manual P 0.68 0
IV.ATVO.HHZ. 2021-09-18T23:20:25.06 3.0 negative manual Pn -0.03 0
IV.ASSB.HHZ. 2021-09-18T23:20:25.47 0.1 undecidable manual P 208 50.2164 113 -0.12 93
IV.NARO.HHZ. 2021-09-18T23:20:24.00 0.1 undecidable manual P 302 34.743 129 0.06 96
IV.FDMO.HHZ. 2021-09-18T23:20:24.99 0.1 undecidable manual P 166 46.62 117 -0.19 92
IV.ATCC.EHZ. 2021-09-18T23:20:24.11 0.1 undecidable manual P 221 37.9287 125 -0.14 94
IV.MURB.HHZ. 2021-09-18T23:20:24.50 3.0 negative manual P -0.31 0
IV.MPAG.EHZ. 2021-09-18T23:20:23.25 0.1 undecidable manual P 324 25.4523 141 0.14 96
IV.ATFO.HHZ. 2021-09-18T23:20:23.46 0.1 undecidable manual P 254 31.4463 133 -0.16 95
IV.MML1.EHZ. 2021-09-18T23:20:23.89 0.1 undecidable manual P 177 36.741 127 -0.24 93
IV.SSFR.HHZ. 2021-09-18T23:20:22.12 0.1 undecidable manual P 266 13.2756 158 -0.22 97
IV.CING.HHZ. 2021-09-18T23:20:22.86 0.1 undecidable manual P 111 21.4674 146 0.04 99
IV.SNTG.HHZ. 2021-09-18T23:20:22.48 0.1 undecidable manual P 181 20.9679 147 -0.31 94
IV.FRON.EHZ. 2021-09-18T23:20:22.54 0.1 undecidable manual P 295 19.5693 149 -0.15 97
IV.EL6.EHZ. 2021-09-18T23:20:22.59 0.1 undecidable manual P 135 17.871 151 0.01 100
IV.ARVD.HHZ. 2021-09-18T23:20:21.95 0.1 negative manual P 356 5.994 170 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.4 0.00008845 0.54 AML other m 2021-09-18T23:20:27.59
IV.SSFR.HHN. ML:1.8 0.00020850000000000003 1.86 AML other m 2021-09-18T23:20:27.98
IV.ARVD.HHN. ML:1.2 0.00004755 0.42 AML other m 2021-09-18T23:20:28.48
IV.SSFR.HHE. ML:1.9 0.000254 0.76 AML other m 2021-09-18T23:20:28.55
IV.SNTG.HHN. ML:1.6 0.00010059999999999999 0.2 AML other m 2021-09-18T23:20:28.46
IV.SNTG.HHE. ML:1.5 0.00009049999999999999 0.22 AML other m 2021-09-18T23:20:28.58
IV.FRON.EHN. ML:1.4 0.0000655 1.3 AML other m 2021-09-18T23:20:28.09
IV.FRON.EHE. ML:1.2 0.00003955 0.44 AML other m 2021-09-18T23:20:28.75
IV.EL6.EHE. ML:1.6 0.00011735 0.48 AML other m 2021-09-18T23:20:29.29
IV.CING.HHN. ML:1.4 0.00007555000000000001 0.26 AML other m 2021-09-18T23:20:29.42
IV.CING.HHE. ML:1.5 0.00008085 0.32 AML other m 2021-09-18T23:20:29.42
IV.MPAG.EHN. ML:1.5 0.0000849 1.64 AML other m 2021-09-18T23:20:29.89
IV.MPAG.EHE. ML:1.6 0.00011399999999999999 0.42 AML other m 2021-09-18T23:20:29.93
IV.EL6.EHN. ML:1.6 0.000126 0.42 AML other m 2021-09-18T23:20:30.44
IV.ATFO.HHE. ML:1.6 0.00009850000000000001 0.18 AML other m 2021-09-18T23:20:30.53
IV.ATFO.HHN. ML:1.6 0.0000926 0.78 AML other m 2021-09-18T23:20:30.45
IV.NARO.HHE. ML:1.3 0.00004445 0.44 AML other m 2021-09-18T23:20:31.12
IV.NARO.HHN. ML:1.2 0.0000348 1.06 AML other m 2021-09-18T23:20:31.28
IV.MML1.EHE. ML:1.5 0.00006385000000000001 0.62 AML other m 2021-09-18T23:20:31.80
IV.ATCC.EHN. ML:1.3 0.000039750000000000004 1.12 AML other m 2021-09-18T23:20:31.25
IV.ATCC.EHE. ML:1.5 0.00007075000000000001 0.2 AML other m 2021-09-18T23:20:32.10
IV.MML1.EHN. ML:1.4 0.0000492 1.12 AML other m 2021-09-18T23:20:32.04
IV.CSP1.EHN. ML:1.7 0.0000987 0.7 AML other m 2021-09-18T23:20:33.57
IV.CRTC.HHE. ML:1.5 0.00007615 0.94 AML other m 2021-09-18T23:20:33.86
IV.MURB.HHN. ML:1.6 0.0000775 0.18 AML other m 2021-09-18T23:20:33.68
IV.APEC.HHE. ML:1.4 0.00005095 0.22 AML other m 2021-09-18T23:20:33.95
IV.ASSB.HHE. ML:1.2 0.000027999999999999996 0.46 AML other m 2021-09-18T23:20:33.87
IV.CSP1.EHE. ML:1.7 0.0001074 0.62 AML other m 2021-09-18T23:20:34.33
IV.ATVO.HHE. ML:1.1 0.000027250000000000005 0.32 AML other m 2021-09-18T23:20:34.24
IV.ATVO.HHN. ML:1.1 0.000024050000000000002 1.58 AML other m 2021-09-18T23:20:35.92
IV.FDMO.HHN. ML:1.0 0.0000206 0.24 AML other m 2021-09-18T23:20:35.17
IV.CRTC.HHN. ML:1.5 0.0000677 1.2 AML other m 2021-09-18T23:20:35.86
IV.FDMO.HHE. ML:1.0 0.00002155 0.86 AML other m 2021-09-18T23:20:35.82
IV.ASSB.HHN. ML:1.3 0.000037449999999999995 1.32 AML other m 2021-09-18T23:20:35.85
IV.APEC.HHN. ML:1.4 0.00004654999999999999 0.68 AML other m 2021-09-18T23:20:35.64
IV.MURB.HHE. ML:1.6 0.00009355 0.26 AML other m 2021-09-18T23:20:36.30
IV.CRE.HHN. ML:1.1 0.00001455 0.62 AML other m 2021-09-18T23:20:44.55
IV.CRE.HHE. ML:1.1 0.000012835000000000002 0.74 AML other m 2021-09-18T23:20:46.40
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