Earthquake with magnitude of ML 0.5 on date 16-08-2020 and time 03:38:42 (Italy) in region 3 km S Sassoferrato (AN)

A magnitude ML 0.5 earthquake occured in region: 3 km S Sassoferrato (AN), on

  • 16-08-2020 01:38:42 (UTC)
  • 16-08-2020 03:38:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4060, 12.8560 at 11 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
Sassoferrato AN 3 7285 7285
Genga AN 7 1797 9082
Fabriano AN 9 31480 40562
Serra Sant'Abbondio PU 12 1027 41589
Sigillo PG 12 2404 43993
Costacciaro PG 13 1216 45209
Arcevia AN 13 4612 49821
Serra San Quirico AN 14 2850 52671
Cerreto d'Esi AN 14 3817 56488
Fossato di Vico PG 14 2840 59328
Scheggia e Pascelupo PG 15 1393 60721
Frontone PU 15 1300 62021
Mergo AN 17 1037 63058
Pergola PU 18 6333 69391
Poggio San Vicino MC 18 246 69637
Esanatoglia MC 19 2034 71671
Rosora AN 19 1985 73656
Cantiano PU 20 2245 75901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NE of Perugia (166134 inhabitants)
51 Km S of Fano (60888 inhabitants)
52 Km N of Foligno (57155 inhabitants)
56 Km S of Pesaro (94582 inhabitants)
59 Km W of Ancona (100861 inhabitants)
77 Km SE of Rimini (147750 inhabitants)
79 Km E of Arezzo (99543 inhabitants)
95 Km SE of Cesena (96758 inhabitants)
95 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 0.5 2020-08-16
01:38:42
43.4063 12.8555 11 2020-08-16
01:45:28
Sala Sismica INGV-Roma 82027651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-16 01:38:42 ± 0.05
Latitude 43.4063 ± 0.0036
Longitude 12.8555 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82027651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28509
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:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 82027651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-16 01:45:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2020-08-16T01:38:54.62 3.0 negative manual P -0.03 0
IV.NARO.HHZ. 2020-08-16T01:38:53.50 0.6 undecidable manual S 316 31.6461 50 0.11 47
IV.MURB.HHZ. 2020-08-16T01:38:53.85 0.6 undecidable manual S 239 31.0467 50 0.62 42
IV.ATCC.EHZ. 2020-08-16T01:38:53.19 0.6 undecidable manual S 215 30.0477 50 0.23 46
IV.PIEI.HHZ. 2020-08-16T01:38:52.63 0.3 undecidable manual S 299 29.5482 50 -0.18 70
IV.ATFO.HHZ. 2020-08-16T01:38:51.16 0.6 undecidable manual S 259 23.3544 50 0 49
IV.EL6.EHE. 2020-08-16T01:38:50.53 0.6 undecidable manual S 113 21.5673 50 -0.17 48
IV.FRON.EHE. 2020-08-16T01:38:49.08 0.6 undecidable manual S 320 16.1727 124 -0.05 49
IV.FOSV.EHZ. 2020-08-16T01:38:48.36 0.6 undecidable manual S 212 14.4744 126 -0.3 47
IV.ATCC.EHZ. 2020-08-16T01:38:48.41 0.1 undecidable manual P 215 30.0477 50 -0.09 96
IV.ARVD.HHE. 2020-08-16T01:38:48.03 0.6 undecidable manual S 34 12.2766 131 -0.03 50
IV.NARO.HHZ. 2020-08-16T01:38:48.64 0.1 undecidable manual P 316 31.6461 50 -0.1 95
IV.ATSC.EHE. 2020-08-16T01:38:48.13 0.6 undecidable manual S 278 13.7751 128 -0.32 47
IV.MURB.HHZ. 2020-08-16T01:38:48.74 0.1 undecidable manual P 239 31.0467 50 0.09 95
IV.PIEI.HHZ. 2020-08-16T01:38:48.25 0.1 undecidable manual P 299 29.5482 50 -0.16 94
IV.EL6.EHE. 2020-08-16T01:38:47.18 0.1 undecidable manual P 113 21.5673 50 -0.01 98
IV.SSFR.HHE. 2020-08-16T01:38:47.00 0.6 undecidable manual S 299 6.7932 148 0.2 49
IV.ATFO.HHZ. 2020-08-16T01:38:47.43 0.1 undecidable manual P 259 23.3544 50 -0.02 98
IV.FRON.EHE. 2020-08-16T01:38:46.26 0.3 undecidable manual P 320 16.1727 124 -0.03 74
IV.FOSV.EHZ. 2020-08-16T01:38:45.90 0.1 undecidable manual P 212 14.4744 126 -0.11 98
IV.SSFR.HHE. 2020-08-16T01:38:45.23 0.1 undecidable manual P 299 6.7932 148 0.29 95
IV.ARVD.HHE. 2020-08-16T01:38:45.83 0.1 undecidable manual P 34 12.2766 131 0.16 97
IV.ATSC.EHE. 2020-08-16T01:38:45.89 0.1 undecidable manual P 278 13.7751 128 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.0 0.0000123 0.54 AML other m 2020-08-16T01:38:48.72
IV.FOSV.EHN. ML:0.0 0.00001149 0.1 AML other m 2020-08-16T01:38:48.78
IV.ATFO.HHN. ML:0.2 0.000011400000000000001 0.62 AML other m 2020-08-16T01:38:51.54
IV.ATFO.HHE. ML:0.4 0.0000144 0.42 AML other m 2020-08-16T01:38:52.55
IV.PIEI.HHN. ML:0.3 0.000008315 0.3 AML other m 2020-08-16T01:38:52.76
IV.PIEI.HHE. ML:0.6 0.0000206 0.08 AML other m 2020-08-16T01:38:53.00
IV.ATCC.EHN. ML:0.7 0.00002435 0.12 AML other m 2020-08-16T01:38:53.30
IV.ATCC.EHE. ML:0.8 0.00002965 0.1 AML other m 2020-08-16T01:38:53.43
IV.MURB.HHN. ML:0.7 0.0000242 0.2 AML other m 2020-08-16T01:38:54.35
IV.MURB.HHE. ML:0.7 0.00002355 0.2 AML other m 2020-08-16T01:38:54.36
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