Earthquake with magnitude of ML 0.4 on date 16-09-2020 and time 22:43:12 (UTC) in region 3 km SE Urbania (PU)

A magnitude ML 0.4 earthquake occured in region: 3 km SE Urbania (PU), on

  • 16-09-2020 22:43:12 (UTC)
  • 17-09-2020 00:43:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6430, 12.5410 at 13 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Urbania PU 3 7099 7099
Piobbico PU 6 2029 9128
Peglio PU 7 696 9824
Fermignano PU 9 8596 18420
Sant'Angelo in Vado PU 11 4133 22553
Acqualagna PU 11 4393 26946
Urbino PU 12 15019 41965
Lunano PU 13 1527 43492
Apecchio PU 13 1882 45374
Piandimeleto PU 14 2167 47541
Cagli PU 14 8731 56272
Belforte all'Isauro PU 16 769 57041
Sassocorvaro PU 16 3504 60545
Mercatello sul Metauro PU 16 1378 61923
Frontino PU 19 293 62216
Macerata Feltria PU 20 1990 64206
Borgo Pace PU 20 606 64812
Cantiano PU 20 2245 67057

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Pesaro (94582 inhabitants)
45 Km SW of Fano (60888 inhabitants)
47 Km S of Rimini (147750 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
60 Km SE of Cesena (96758 inhabitants)
61 Km N of Perugia (166134 inhabitants)
76 Km SE of Forlì (117913 inhabitants)
77 Km N of Foligno (57155 inhabitants)
79 Km W of Ancona (100861 inhabitants)
89 Km SE of Faenza (58541 inhabitants)
90 Km SE of Ravenna (159116 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 0.4 2020-09-16
22:43:12
43.6428 12.5412 13 2020-09-16
22:49:24
Sala Sismica INGV-Roma 82963221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-16 22:43:12 ± 0.2
Latitude 43.6428 ± 0.0198
Longitude 12.5412 ± 0.0174
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82963221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2401
Semi-minor axis of confidence ellipse (meter) 491
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 2400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 82963221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-16 22:49:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2020-09-16T22:43:23.44 0.3 undecidable manual S 140 30.0477 96 0.05 72
IV.FRON.EHZ. 2020-09-16T22:43:21.26 0.3 undecidable manual S 133 20.2686 103 0.44 67
IV.PARC.HHZ. 2020-09-16T22:43:21.54 0.3 undecidable manual S 272 24.2535 99 -0.33 68
IV.MPAG.EHZ. 2020-09-16T22:43:19.59 0.1 undecidable manual S 95 17.5713 107 -0.53 88
IV.APEC.HHZ. 2020-09-16T22:43:18.51 3.0 undecidable manual S 0
IV.SSFR.HHZ. 2020-09-16T22:43:18.74 0.1 undecidable manual P 140 30.0477 96 -0.21 93
IV.MPAG.EHZ. 2020-09-16T22:43:17.34 0.1 undecidable manual P 95 17.5713 107 0.28 94
IV.FRON.EHZ. 2020-09-16T22:43:17.49 0.1 undecidable manual P 133 20.2686 103 0.02 98
IV.NARO.HHZ. 2020-09-16T22:43:17.36 0.1 undecidable manual S 138 4.7952 154 -0.13 99
IV.PARC.HHZ. 2020-09-16T22:43:17.90 0.1 undecidable manual P 272 24.2535 99 -0.18 94
IV.APEC.HHZ. 2020-09-16T22:43:16.27 3.0 undecidable manual P 0
IV.PE3.EHZ. 2020-09-16T22:43:16.27 0.1 undecidable manual P 329 6.8931 144 0.56 89
IV.NARO.HHZ. 2020-09-16T22:43:15.59 0.1 undecidable manual P 138 4.7952 154 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:0.3 0.00002695 0.06 AML other m 2020-09-16T22:43:17.87
IV.NARO.HHN. ML:0.5 0.00003805 1.08 AML other m 2020-09-16T22:43:17.45
IV.APEC.HHE. ML:0.4 0.0000269 0.08 AML other m 2020-09-16T22:43:18.84
IV.APEC.HHN. ML:0.5 0.00002835 0.62 AML other m 2020-09-16T22:43:19.90
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