Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-09-2020 and time 06:08:28 (Italy) in region 4 km W Fabriano (AN)

A magnitude ML 1.2 earthquake occured in region: 4 km W Fabriano (AN), on

  • 27-09-2020 04:08:28 (UTC)
  • 27-09-2020 06:08:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3450, 12.8590 at 12 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
Fabriano AN 4 31480 31480
Fossato di Vico PG 10 2840 34320
Sigillo PG 10 2404 36724
Sassoferrato AN 10 7285 44009
Cerreto d'Esi AN 11 3817 47826
Genga AN 11 1797 49623
Costacciaro PG 12 1216 50839
Esanatoglia MC 13 2034 52873
Gualdo Tadino PG 14 15208 68081
Matelica MC 16 9981 78062
Scheggia e Pascelupo PG 17 1393 79455
Serra San Quirico AN 17 2850 82305
Serra Sant'Abbondio PU 18 1027 83332
Poggio San Vicino MC 18 246 83578
Fiuminata MC 18 1402 84980
Arcevia AN 19 4612 89592

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Foligno (57155 inhabitants)
46 Km NE of Perugia (166134 inhabitants)
57 Km S of Fano (60888 inhabitants)
61 Km W of Ancona (100861 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
80 Km E of Arezzo (99543 inhabitants)
83 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 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 1.2 2020-09-27
04:08:28		 43.3452 12.8593 12 2020-09-27
04:37:58		 Sala Sismica INGV-Roma 83288761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-27 04:08:28 ± 0.04
Latitude 43.3452 ± 0.0027
Longitude 12.8593 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83288761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 257
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 22
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.33365
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 83288761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-27 04:37:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-09-27T04:08:41.14 0.3 undecidable manual S 323 37.0296 93 0.17 71
IV.ATVO.HHZ. 2020-09-27T04:08:40.94 0.3 undecidable manual S 277 36.741 93 0.05 72
IV.MPAG.EHZ. 2020-09-27T04:08:39.95 0.3 undecidable manual S 346 32.5452 94 0.19 71
IV.MURB.HHZ. 2020-09-27T04:08:39.24 0.3 undecidable manual S 251 28.5492 95 0.54 66
IV.CING.HNZ. 2020-09-27T04:08:38.57 0.3 undecidable manual S 83 27.3504 95 0.19 71
IV.ATCC.EHZ. 2020-09-27T04:08:37.85 0.3 undecidable manual S 225 25.0527 96 0.06 74
IV.ATFO.HHZ. 2020-09-27T04:08:37.51 1.0 undecidable manual S 276 23.3544 97 0.18 24
IV.FRON.EHZ. 2020-09-27T04:08:36.88 0.3 undecidable manual S 331 21.9669 98 -0.08 74
IV.EL6.EHZ. 2020-09-27T04:08:36.50 0.3 undecidable manual S 95 19.6692 101 0.15 72
IV.NARO.HHZ. 2020-09-27T04:08:35.50 0.3 undecidable manual P 323 37.0296 93 -0.25 69
IV.ATSC.EHZ. 2020-09-27T04:08:35.40 0.3 undecidable manual S 302 16.4724 106 -0.12 74
IV.ARVD.HHZ. 2020-09-27T04:08:35.92 0.3 undecidable manual S 21 18.1707 103 -0.05 75
IV.ATVO.HHZ. 2020-09-27T04:08:35.60 0.3 undecidable manual P 277 36.741 93 -0.11 71
IV.MURB.HHZ. 2020-09-27T04:08:34.49 0.3 undecidable manual P 251 28.5492 95 0.05 73
IV.SNTG.HHZ. 2020-09-27T04:08:34.38 0.3 undecidable manual S 147 11.9769 121 -0.04 76
IV.CING.HNZ. 2020-09-27T04:08:34.30 0.3 undecidable manual P 83 27.3504 95 0.05 73
IV.SSFR.HHZ. 2020-09-27T04:08:34.44 0.3 undecidable manual S 328 11.877 121 0.04 75
IV.MPAG.EHZ. 2020-09-27T04:08:34.87 0.6 undecidable manual P 346 32.5452 94 -0.18 47
IV.MML1.HNZ. 2020-09-27T04:08:33.86 0.3 undecidable manual P 161 27.2505 95 -0.39 68
IV.EL6.EHZ. 2020-09-27T04:08:33.14 0.3 undecidable manual P 95 19.6692 101 0.06 74
IV.FRON.EHZ. 2020-09-27T04:08:33.26 0.3 undecidable manual P 331 21.9669 98 -0.18 72
IV.ATCC.EHZ. 2020-09-27T04:08:33.83 0.3 undecidable manual P 225 25.0527 96 -0.09 73
IV.ATFO.HHZ. 2020-09-27T04:08:33.60 0.3 undecidable manual P 276 23.3544 97 -0.05 74
IV.ARVD.HHZ. 2020-09-27T04:08:32.82 0.1 undecidable manual P 21 18.1707 103 -0.05 100
IV.SSFR.HHZ. 2020-09-27T04:08:32.03 0.1 undecidable manual P 328 11.877 121 0.07 100
IV.ATSC.EHZ. 2020-09-27T04:08:32.57 0.1 undecidable manual P 302 16.4724 106 -0.04 100
IV.SNTG.HHZ. 2020-09-27T04:08:31.92 0.3 undecidable manual P 147 11.9769 121 -0.05 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:1.2 0.0001615 0.86 AML other m 2020-09-27T04:08:34.06
IV.SNTG.HHE. ML:1.0 0.0001079 0.98 AML other m 2020-09-27T04:08:34.70
IV.ATVO.HHE. ML:1.4 0.0000885 0.54 AML other m 2020-09-27T04:08:41.52
IV.ATVO.HHN. ML:1.3 0.00007775 0.62 AML other m 2020-09-27T04:08:42.06
IV.SNTG.HNE. ML:1.0 0.000096894225 0.1408 AML other m 2020-09-27T04:08:34.70
IV.SNTG.HNN. ML:1.1 0.000123532005 0.0672 AML other m 2020-09-27T04:08:34.79
IV.ARVD.HHE. ML:0.9 0.000062780755 0.08 AML other m 2020-09-27T04:08:36.32
IV.ARVD.HHN. ML:0.8 0.000043277135 0.08 AML other m 2020-09-27T04:08:36.40
IV.EL6.EHE. ML:1.5 0.00023148010000000003 0.1216 AML other m 2020-09-27T04:08:36.69
IV.EL6.EHN. ML:1.5 0.0002379019 0.0992 AML other m 2020-09-27T04:08:36.76
IV.FRON.EHE. ML:1.1 0.00007461871 0.1792 AML other m 2020-09-27T04:08:36.96
IV.FRON.EHN. ML:1.3 0.00011659654999999999 0.0608 AML other m 2020-09-27T04:08:37.44
IV.ATFO.HHE. ML:1.0 0.00006152297 0.7392 AML other m 2020-09-27T04:08:38.39
IV.ATFO.HHN. ML:0.9 0.00004676541 0.2208 AML other m 2020-09-27T04:08:37.85
IV.MURB.HHE. ML:1.3 0.0001022218 0.2016 AML other m 2020-09-27T04:08:39.73
IV.MURB.HHN. ML:1.4 0.00011232120000000001 0.24 AML other m 2020-09-27T04:08:39.56
IV.MURB.HNE. ML:1.4 0.00011963487 2.5376 AML other m 2020-09-27T04:08:39.32
IV.MURB.HNN. ML:1.4 0.0001186673 1.5296 AML other m 2020-09-27T04:08:39.92
IV.MPAG.EHE. ML:0.8 0.000024367185 0.8192 AML other m 2020-09-27T04:08:40.42
IV.MPAG.EHN. ML:0.8 0.000029912235 1.6992 AML other m 2020-09-27T04:08:41.19
IV.NARO.HHE. ML:1.3 0.00007042506 1.6576 AML other m 2020-09-27T04:08:41.24
IV.NARO.HHN. ML:1.1 0.000048915905 1.4016 AML other m 2020-09-27T04:08:41.26
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