Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 05-09-2021 and time 06:24:34 (Italy) in region 3 km SE Senigallia (AN)

A magnitude ML 1.1 earthquake occured in region: 3 km SE Senigallia (AN), on

  • 05-09-2021 04:24:34 (UTC)
  • 05-09-2021 06:24:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6910, 13.2430 at 11 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
Senigallia AN 3 45027 45027
Montemarciano AN 8 9992 55019
Morro d'Alba AN 10 1903 56922
Monte San Vito AN 10 6848 63770
Ostra AN 11 6875 70645
Trecastelli AN 11 7625 78270
Chiaravalle AN 12 14796 93066
San Marcello AN 13 2057 95123
Belvedere Ostrense AN 14 2234 97357
Mondolfo PU 14 14277 111634
Monsano AN 14 3405 115039
Falconara Marittima AN 14 26565 141604
Camerata Picena AN 15 2567 144171
Monte Porzio PU 16 2836 147007
San Costanzo PU 16 4786 151793
Corinaldo AN 16 4998 156791
Ostra Vetere AN 18 3311 160102
Jesi AN 19 40399 200501
Agugliano AN 20 4865 205366

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Ancona (100861 inhabitants)
25 Km SE of Fano (60888 inhabitants)
36 Km SE of Pesaro (94582 inhabitants)
68 Km SE of Rimini (147750 inhabitants)
93 Km NE of Foligno (57155 inhabitants)
94 Km SE of Cesena (96758 inhabitants)
95 Km NE of Perugia (166134 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 1.1 2021-09-05
04:24:34		 43.6907 13.243 11 2022-03-30
13:04:05		 Bollettino Sismico Italiano INGV 95375121
Reviewed
Rev100 		ML 1.4 2021-09-05
04:24:34		 43.7177 13.2338 12 2021-09-05
04:34:19		 Sala Sismica INGV-Roma 95056501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-05 04:24:34 ± 0.07
Latitude 43.6907 ± 0.0054
Longitude 13.2430 ± 0.0050
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95375121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 95375121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-13 09:15:12

ML:1.4

Field Value
Value 1.4
Uncertainty 0.5
Num. used stations 15
Type of magnitude ML
Reference to an origin 95056501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-05 04:34:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2021-09-05T04:25:56.97 3.0 undecidable manual Sn -2.79 0
GU.STV.HHZ. 2021-09-05T04:25:53.81 3.0 positive manual Pg 13.51 0
IV.GRI.EHZ. 2021-09-05T04:25:50.33 3.0 negative manual Pg 20.200001 0
GU.GSCL.HHZ. 2021-09-05T04:25:49.14 3.0 undecidable manual Sn -0.97 0
IV.FROS.CHZ. 2021-09-05T04:25:46.21 3.0 undecidable manual Sg 6.56 0
IV.IMTC.HHZ. 2021-09-05T04:25:42.76 3.0 undecidable manual Sn -0.5 0
GU.IMI.HHZ. 2021-09-05T04:25:39.33 3.0 negative manual Pn 4.81 0
AC.SRN.HHZ. 2021-09-05T04:25:36.42 3.0 undecidable manual Pn 1.68 0
GU.GRAM.HHZ. 2021-09-05T04:25:26.25 3.0 positive manual Pg 12.36 0
IV.MSSA.HHZ. 2021-09-05T04:25:19.47 3.0 undecidable manual Pn 0.65 0
IV.MNTV.EHZ. 2021-09-05T04:25:09.53 3.0 negative manual Pg -0.39 0
IV.RIBO.EHZ.01 2021-09-05T04:24:59.59 3.0 undecidable manual Pn -4.84 0
IV.RMP.HHZ. 2021-09-05T04:24:56.81 3.0 negative manual Pn -0.75 0
IV.MRB1.HHZ. 2021-09-05T04:24:54.94 3.0 negative manual Pn -2.29 0
IV.ATSC.EHE. 2021-09-05T04:24:51.56 0.3 undecidable manual S 237 53.6019 50 0.26 65
IV.FRON.EHZ. 2021-09-05T04:24:49.44 0.6 undecidable manual S 245 45.7209 50 0.24 44
IV.SSFR.HHN. 2021-09-05T04:24:49.60 0.6 undecidable manual S 233 46.5201 50 0.19 45
IV.EL6.EHZ. 2021-09-05T04:24:48.31 0.3 undecidable manual S 196 41.625 50 0.2 67
IV.MPAG.EHZ. 2021-09-05T04:24:47.22 0.3 undecidable manual S 260 39.4272 50 -0.28 67
IV.CING.HHZ. 2021-09-05T04:24:46.50 0.6 undecidable manual S 186 35.1426 50 0.13 46
IV.CRTC.HHZ. 2021-09-05T04:24:45.03 0.3 undecidable manual S 287 30.1476 50 0 72
MN.BLY.HHZ. 2021-09-05T04:24:45.00 3.0 negative manual Pn -3.27 0
IV.AOI.HHE. 2021-09-05T04:24:45.89 0.3 undecidable manual S 118 32.745 50 0.16 69
IV.ARVD.HHZ. 2021-09-05T04:24:45.51 0.3 undecidable manual S 229 32.2455 50 -0.1 70
IV.TERO.HHZ. 2021-09-05T04:24:43.01 3.0 undecidable manual P -0.2 0
IV.PCRO.HNE. 2021-09-05T04:24:43.72 0.6 undecidable manual S 112 24.9528 50 0.07 48
IV.ATSC.EHE. 2021-09-05T04:24:43.96 0.3 undecidable manual P 237 53.6019 50 -0.25 65
IV.PP3.HNN. 2021-09-05T04:24:42.64 0.3 undecidable manual P 140 45.5211 50 -0.32 65
IV.SSFR.HHN. 2021-09-05T04:24:42.86 0.1 undecidable manual P 233 46.5201 50 -0.26 88
IV.COR1.EHZ. 2021-09-05T04:24:42.78 0.3 undecidable manual S 252 20.5683 50 0.31 68
IV.EL6.EHZ. 2021-09-05T04:24:42.29 0.3 undecidable manual P 196 41.625 50 -0.07 69
IV.FRON.EHZ. 2021-09-05T04:24:42.96 0.1 undecidable manual P 245 45.7209 50 -0.03 92
IV.PESA.HHE. 2021-09-05T04:24:42.93 0.1 undecidable manual P 311 42.5241 50 0.43 86
IV.MPAG.EHZ. 2021-09-05T04:24:41.72 0.3 undecidable manual P 260 39.4272 50 -0.29 66
IV.CING.HHZ. 2021-09-05T04:24:41.37 0.3 undecidable manual P 186 35.1426 50 0.01 71
IV.CRTC.HHZ. 2021-09-05T04:24:40.36 0.3 undecidable manual P 287 30.1476 50 -0.22 68
IV.AOI.HHE. 2021-09-05T04:24:40.97 0.1 undecidable manual P 118 32.745 50 -0.02 95
IV.ARVD.HHZ. 2021-09-05T04:24:40.50 0.3 undecidable manual P 229 32.2455 50 -0.42 65
IV.FANO.HNE. 2021-09-05T04:24:39.54 0.6 undecidable manual P 313 24.753 50 -0.21 46
IV.PCRO.HNE. 2021-09-05T04:24:39.84 0.6 undecidable manual P 112 24.9528 50 0.05 48
IV.COR1.EHZ. 2021-09-05T04:24:39.35 0.1 positive manual P 252 20.5683 50 0.24 93
IV.SENI.EHZ. 2021-09-05T04:24:38.55 0.3 undecidable manual S 334 1.7982 171 0.16 73
IV.SENI.EHZ. 2021-09-05T04:24:36.77 0.1 undecidable manual P 334 1.7982 171 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.EHN. ML:0.0 0.00012795 0.26 AML other m 2021-09-05T04:24:43.83
IV.COR1.EHE. ML:0.0 0.00006418085 2.5216 AML other m 2021-09-05T04:24:42.32
IV.CING.HHN. ML:0.0 0.00005075 0.4 AML other m 2021-09-05T04:24:47.40
IV.CING.HHE. ML:0.0 0.000038 0.32 AML other m 2021-09-05T04:24:47.60
IV.SENI.HNN. ML:2.0 0.0016988945000000002 0.1696 AML other m 2021-09-05T04:24:39.17
IV.SENI.EHE. ML:1.0 0.00018589899999999998 0.64 AML other m 2021-09-05T04:24:39.02
IV.SENI.EHN. ML:1.3 0.0003582682 0.8416 AML other m 2021-09-05T04:24:39.41
IV.CRTC.HHE. ML:1.2 0.00008291171 0.4608 AML other m 2021-09-05T04:24:45.50
IV.ARVD.HHN. ML:0.5 0.000014147369999999999 1.2992 AML other m 2021-09-05T04:24:45.59
IV.ARVD.HHE. ML:0.4 0.000009302679 0.48 AML other m 2021-09-05T04:24:46.01
IV.EL6.EHN. ML:1.2 0.0000511718475 4.24 AML other m 2021-09-05T04:24:47.27
IV.EL6.EHE. ML:1.1 0.00004100447 0.4192 AML other m 2021-09-05T04:24:49.19
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