Earthquake with magnitude of ML 0.9 on date 20-08-2020 and time 05:21:37 (Italy) in region 6 km S Apecchio (PU)

A magnitude ML 0.9 earthquake occured in region: 6 km S Apecchio (PU), on

  • 20-08-2020 03:21:37 (UTC)
  • 20-08-2020 05:21:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5030, 12.4180 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.

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 6 1882 1882
Pietralunga PG 7 2111 3993
Piobbico PU 12 2029 6022
CittĂ  di Castello PG 15 39913 45935
Montone PG 17 1680 47615
Cantiano PU 17 2245 49860
Mercatello sul Metauro PU 17 1378 51238
Sant'Angelo in Vado PU 18 4133 55371
Cagli PU 19 8731 64102
Borgo Pace PU 20 606 64708

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Arezzo (99543 inhabitants)
44 Km N of Perugia (166134 inhabitants)
60 Km SW of Pesaro (94582 inhabitants)
62 Km SW of Fano (60888 inhabitants)
63 Km S of Rimini (147750 inhabitants)
65 Km NW of Foligno (57155 inhabitants)
72 Km S of Cesena (96758 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
90 Km W of Ancona (100861 inhabitants)
90 Km E of Siena (53903 inhabitants)
97 Km SE of Faenza (58541 inhabitants)
98 Km E of Firenze (382808 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 0.9 2020-08-20
03:21:37
43.5032 12.4178 8 2020-08-20
03:27:51
Sala Sismica INGV-Roma 82165361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-20 03:21:37 ± 0.05
Latitude 43.5032 ± 0.0018
Longitude 12.4178 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82165361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 215
Semi-minor axis of confidence ellipse (meter) 159
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
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) 0.52610
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 82165361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-20 03:27:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-08-20T03:21:56.74 1.0 undecidable manual S 109 58.3971 50 0.9 18
IV.ARVD.HHZ. 2020-08-20T03:21:51.51 0.6 undecidable manual S 91 42.1245 50 0 48
IV.ATCC.EHZ. 2020-08-20T03:21:51.16 0.6 undecidable manual S 153 39.5271 50 0.34 45
IV.MPAG.EHZ. 2020-08-20T03:21:48.12 0.6 undecidable manual S 63 30.8469 104 0.02 48
IV.EL6.EHZ. 2020-08-20T03:21:48.29 1.0 undecidable manual P 109 58.3971 50 0.38 21
IV.MURB.HHZ. 2020-08-20T03:21:47.25 0.6 undecidable manual S 162 28.0497 106 0.09 48
IV.SSFR.HHZ. 2020-08-20T03:21:47.76 0.6 undecidable manual S 104 30.2475 104 -0.16 47
IV.FRON.EHZ. 2020-08-20T03:21:46.06 0.3 undecidable manual S 86 24.8529 107 -0.04 73
IV.PE3.EHZ. 2020-08-20T03:21:45.61 0.6 undecidable manual S 16 22.2555 109 0.34 46
IV.PARC.HHZ. 2020-08-20T03:21:45.21 0.6 undecidable manual S 318 21.6672 110 0.16 48
IV.ARVD.HHZ. 2020-08-20T03:21:45.06 0.3 positive manual P 91 42.1245 50 -0.35 66
IV.ATMI.HHZ. 2020-08-20T03:21:45.37 0.6 undecidable manual S 213 22.2555 109 0.09 48
IV.NARO.HHZ. 2020-08-20T03:21:44.03 0.6 undecidable manual S 48 17.6712 114 0.24 47
IV.ATFO.HHZ. 2020-08-20T03:21:44.52 0.6 undecidable manual S 141 19.5693 112 0.13 48
IV.ATCC.EHZ. 2020-08-20T03:21:44.87 1.0 undecidable manual P 153 39.5271 50 -0.14 23
IV.CAFI.HHZ. 2020-08-20T03:21:44.64 3.0 positive manual P -0.04 0
IV.SSFR.HHZ. 2020-08-20T03:21:43.03 0.1 undecidable manual P 104 30.2475 104 -0.31 91
IV.MPAG.EHZ. 2020-08-20T03:21:43.19 0.6 undecidable manual P 63 30.8469 104 -0.25 46
IV.BADI.EHZ. 2020-08-20T03:21:42.41 0.6 undecidable manual S 273 13.9749 119 -0.22 48
IV.FRON.EHZ. 2020-08-20T03:21:42.14 0.1 positive manual P 86 24.8529 107 -0.15 95
IV.ATVO.HHZ. 2020-08-20T03:21:42.64 0.6 undecidable manual S 184 13.4754 120 0.16 48
IV.MURB.HHZ. 2020-08-20T03:21:42.85 0.3 negative manual P 162 28.0497 106 -0.05 72
IV.ATMI.HHZ. 2020-08-20T03:21:41.63 0.6 positive manual P 213 22.2555 109 -0.18 47
IV.PE3.EHZ. 2020-08-20T03:21:41.95 0.6 negative manual P 16 22.2555 109 0.14 48
IV.ATFO.HHZ. 2020-08-20T03:21:41.29 0.6 negative manual P 141 19.5693 112 -0.01 49
IV.PARC.HHZ. 2020-08-20T03:21:41.48 1.0 undecidable manual P 318 21.6672 110 -0.2 24
IV.ATVO.HHZ. 2020-08-20T03:21:40.29 0.1 positive manual P 184 13.4754 120 0.1 98
IV.APEC.HHZ. 2020-08-20T03:21:40.67 0.6 undecidable manual S 2 6.0939 142 0.15 49
IV.NARO.HHZ. 2020-08-20T03:21:40.88 0.3 positive manual P 48 17.6712 114 -0.07 73
IV.ATPI.EHZ. 2020-08-20T03:21:40.47 0.6 undecidable manual S 192 5.994 143 -0.01 51
IV.BADI.EHZ. 2020-08-20T03:21:40.18 0.1 undecidable manual P 273 13.9749 119 -0.1 98
IV.ATPI.EHZ. 2020-08-20T03:21:39.11 0.1 positive manual P 192 5.994 143 0.07 100
IV.PIEI.HHZ. 2020-08-20T03:21:39.78 0.6 undecidable manual P 69 10.0788 128 0.15 49
IV.APEC.HHZ. 2020-08-20T03:21:39.06 0.3 undecidable manual P 2 6.0939 142 0 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:1.3 0.00022799999999999999 0.56 AML other m 2020-08-20T03:21:42.46
IV.BADI.EHE. ML:1.3 0.000217 0.16 AML other m 2020-08-20T03:21:42.79
IV.PIEI.HHE. ML:0.9 0.000111 0.18 AML other m 2020-08-20T03:21:43.17
IV.ATVO.HHN. ML:1.2 0.00016949999999999997 0.18 AML other m 2020-08-20T03:21:43.15
IV.ATVO.HHE. ML:1.2 0.0001995 0.74 AML other m 2020-08-20T03:21:43.28
IV.PIEI.HHN. ML:0.8 0.00008834999999999999 0.58 AML other m 2020-08-20T03:21:43.30
IV.NARO.HHN. ML:0.8 0.000051949999999999996 0.16 AML other m 2020-08-20T03:21:44.78
IV.ATFO.HHN. ML:0.6 0.000037199999999999996 0.98 AML other m 2020-08-20T03:21:44.30
IV.NARO.HHE. ML:0.8 0.00005265 0.06 AML other m 2020-08-20T03:21:45.40
IV.PARC.HHN. ML:0.7 0.0000337 1.8 AML other m 2020-08-20T03:21:45.93
IV.FRON.EHN. ML:1.1 0.00007335 1.28 AML other m 2020-08-20T03:21:46.25
IV.PARC.HHE. ML:0.8 0.00003795 0.78 AML other m 2020-08-20T03:21:46.26
IV.FRON.EHE. ML:0.8 0.0000374 0.78 AML other m 2020-08-20T03:21:46.68
IV.ATFO.HHE. ML:0.6 0.0000316 0.68 AML other m 2020-08-20T03:21:46.78
IV.PE3.EHE. ML:1.3 0.0001268 0.44 AML other m 2020-08-20T03:21:46.30
IV.PE3.EHN. ML:1.2 0.00012225 0.44 AML other m 2020-08-20T03:21:46.59
IV.MURB.HHN. ML:1.5 0.0001635 1.78 AML other m 2020-08-20T03:21:48.91
IV.MURB.HHE. ML:1.5 0.00016399999999999997 0.22 AML other m 2020-08-20T03:21:48.09
IV.MPAG.EHE. ML:0.6 0.0000201 0.76 AML other m 2020-08-20T03:21:48.45
IV.ATMI.HHN. ML:0.9 0.000057499999999999995 1.36 AML other m 2020-08-20T03:21:48.03
IV.SSFR.HHN. ML:1.1 0.00006659999999999999 1.44 AML other m 2020-08-20T03:21:48.73
IV.SSFR.HHE. ML:1.2 0.00006925 0.9 AML other m 2020-08-20T03:21:48.96
IV.MPAG.EHN. ML:0.6 0.0000206 1.52 AML other m 2020-08-20T03:21:50.02
IV.ATCC.EHN. ML:0.9 0.0000313 0.18 AML other m 2020-08-20T03:21:51.38
IV.ATCC.EHE. ML:1.0 0.00004035 0.32 AML other m 2020-08-20T03:21:51.35
IV.CAFI.HHN. ML:0.6 0.000016400000000000002 0.12 AML other m 2020-08-20T03:21:51.60
IV.ARVD.HHN. ML:0.7 0.0000136 0.12 AML other m 2020-08-20T03:21:52.37
IV.CAFI.HHE. ML:0.6 0.000013255 0.28 AML other m 2020-08-20T03:21:52.78
IV.ARVD.HHE. ML:0.7 0.0000154 0.26 AML other m 2020-08-20T03:21:53.03
IV.ATMI.HHE. ML:0.9 0.0000596 0.42 AML other m 2020-08-20T03:21:53.67
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