Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 28-10-2019 and time 23:43:43 (Italy) in region 4 km SE Apecchio (PU)

A magnitude ML 0.7 earthquake occured in region: 4 km SE Apecchio (PU), on

  • 28-10-2019 22:43:43 (UTC)
  • 28-10-2019 23:43:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5380, 12.4660 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Apecchio PU 4 1882 1882
Piobbico PU 7 2029 3911
Pietralunga PG 11 2111 6022
Sant'Angelo in Vado PU 15 4133 10155
Cagli PU 15 8731 18886
Cantiano PU 15 2245 21131
Urbania PU 15 7099 28230
Mercatello sul Metauro PU 16 1378 29608
Peglio PU 18 696 30304
Acqualagna PU 19 4393 34697
Borgo Pace PU 19 606 35303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Arezzo (99543 inhabitants)
48 Km N of Perugia (166134 inhabitants)
55 Km SW of Pesaro (94582 inhabitants)
56 Km SW of Fano (60888 inhabitants)
59 Km S of Rimini (147750 inhabitants)
68 Km N of Foligno (57155 inhabitants)
69 Km S of Cesena (96758 inhabitants)
84 Km SE of Forlì (117913 inhabitants)
85 Km W of Ancona (100861 inhabitants)
95 Km E of Siena (53903 inhabitants)
95 Km SE of Faenza (58541 inhabitants)
100 Km S 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 0.7 2019-10-28
22:43:43		 43.5378 12.4655 8 2019-10-28
22:50:01		 Sala Sismica INGV-Roma 73499031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-28 22:43:43 ± 0.11
Latitude 43.5378 ± 0.0036
Longitude 12.4655 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73499031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 401
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 339
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23203
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 73499031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-28 22:50:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2019-10-28T22:43:49.89 0.6 undecidable manual S 260 18.0708 115 -0.02 49
IV.MPAG.EHZ. 2019-10-28T22:43:48.35 0.3 undecidable manual P 67 25.752 108 -0.07 72
IV.NARO.HHZ. 2019-10-28T22:43:48.12 0.6 undecidable manual S 49 12.2766 124 -0.05 50
IV.PARC.HHZ. 2019-10-28T22:43:47.78 0.3 undecidable manual P 304 21.9669 111 0.06 73
IV.PE3.EHZ. 2019-10-28T22:43:47.55 3.0 undecidable manual P 0.37 0
IV.ATPI.EHZ. 2019-10-28T22:43:47.65 0.6 undecidable manual S 208 10.9779 127 -0.13 49
IV.FRON.EHZ. 2019-10-28T22:43:47.34 0.6 positive manual P 96 21.0678 112 -0.2 47
IV.ATBU.EHZ. 2019-10-28T22:43:47.94 0.6 undecidable manual S 136 9.5793 131 0.52 45
IV.APEC.HHZ. 2019-10-28T22:43:46.43 0.6 undecidable manual S 302 4.2957 153 0.16 49
IV.NARO.HHZ. 2019-10-28T22:43:46.00 0.1 undecidable manual P 49 12.2766 124 0.02 100
IV.PIEI.HHZ. 2019-10-28T22:43:46.18 0.6 undecidable manual S 93 5.5944 146 -0.31 48
IV.BADI.EHZ. 2019-10-28T22:43:46.95 0.1 undecidable manual P 260 18.0708 115 -0.04 99
IV.TB03.DHZ.01 2019-10-28T22:43:46.56 0.3 undecidable manual P 196 15.7731 118 -0.02 74
IV.ATPC.HHZ. 2019-10-28T22:43:46.41 0.6 undecidable manual S 186 6.3936 143 -0.25 48
IV.ATPI.EHZ. 2019-10-28T22:43:45.72 0.6 positive manual P 208 10.9779 127 -0.04 50
IV.ATBU.EHZ. 2019-10-28T22:43:45.87 0.3 undecidable manual P 136 9.5793 131 0.31 71
IV.ATPC.HHZ. 2019-10-28T22:43:45.06 0.3 undecidable manual P 186 6.3936 143 -0.05 75
IV.APEC.HHZ. 2019-10-28T22:43:45.04 0.3 undecidable manual P 302 4.2957 153 0.15 74
IV.PIEI.HHZ. 2019-10-28T22:43:44.96 0.3 undecidable manual P 93 5.5944 146 -0.06 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.5 0.000057300000000000004 0.36 AML other m 2019-10-28T22:43:46.41
IV.PIEI.HHE. ML:0.8 0.0001111 0.16 AML other m 2019-10-28T22:43:46.49
IV.ATPI.EHN. ML:0.4 0.00003105 0.46 AML other m 2019-10-28T22:43:47.76
IV.ATPI.EHE. ML:0.4 0.0000307 1.54 AML other m 2019-10-28T22:43:48.79
IV.NARO.HHE. ML:1.1 0.00016499999999999997 0.06 AML other m 2019-10-28T22:43:48.23
IV.NARO.HHN. ML:0.8 0.00006785 0.56 AML other m 2019-10-28T22:43:48.28
IV.BADI.EHE. ML:0.9 0.00007005 0.92 AML other m 2019-10-28T22:43:50.54
IV.BADI.EHN. ML:1.0 0.00007255 0.12 AML other m 2019-10-28T22:43:50.37
IV.FRON.EHN. ML:0.7 0.00003645 0.3 AML other m 2019-10-28T22:43:50.77
IV.FRON.EHE. ML:0.3 0.0000167 0.44 AML other m 2019-10-28T22:43:51.82
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