Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 19-08-2020 and time 02:42:07 (Italy) in region 3 km E Serravalle di Chienti (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km E Serravalle di Chienti (MC), on

  • 19-08-2020 00:42:07 (UTC)
  • 19-08-2020 02:42:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0690, 12.9880 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Serravalle di Chienti MC 3 1070 1070
Muccia MC 5 915 1985
Pieve Torina MC 6 1458 3443
Pievebovigliana MC 8 866 4309
Monte Cavallo MC 8 145 4454
Fiordimonte MC 9 202 4656
Sefro MC 9 422 5078
Camerino MC 10 6974 12052
Pioraco MC 12 1134 13186
Fiuminata MC 14 1402 14588
Fiastra MC 14 559 15147
Acquacanina MC 16 121 15268
Nocera Umbra PG 17 5839 21107
Castelraimondo MC 17 4587 25694
Visso MC 17 1107 26801
Ussita MC 19 444 27245
Valtopina PG 19 1398 28643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
86 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
94 Km S of Pesaro (94582 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
Bulletin
Rev1000 		ML 1.0 2020-08-19
00:42:07		 43.0693 12.9877 14 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82614651
Reviewed
Rev100 		ML 0.8 2020-08-19
00:42:07		 43.0742 12.9938 12 2020-08-19
00:58:51		 Sala Sismica INGV-Roma 82132121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-19 00:42:07 ± 0.05
Latitude 43.0693 ± 0.0018
Longitude 12.9877 ± 0.0025
Depth (km) 14 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82614651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.42988
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 82614651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-04 08:28:16

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 82132121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-19 00:58:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHN. 2020-08-19T00:42:21.58 0.3 undecidable manual S 338 43.9227 95 0.24 73
IV.FOSV.HNE. 2020-08-19T00:42:18.00 0.3 undecidable manual S 324 31.0467 98 0.1 77
IV.GUMA.HNZ. 2020-08-19T00:42:17.43 0.3 undecidable manual S 91 28.1496 99 0.27 74
IV.EL6.EHZ. 2020-08-19T00:42:17.48 0.3 undecidable manual S 18 30.2475 98 -0.23 75
IV.NRCA.HNZ. 2020-08-19T00:42:17.11 0.3 undecidable manual S 159 28.1496 99 -0.03 78
IV.ASSB.HHZ. 2020-08-19T00:42:16.63 0.3 undecidable manual S 264 26.8509 100 -0.17 76
IV.MC2.EHZ. 2020-08-19T00:42:16.10 0.3 undecidable manual S 137 23.9538 103 0.05 78
IV.SSFR.HHN. 2020-08-19T00:42:15.28 0.3 undecidable manual P 338 43.9227 95 -0.05 75
IV.ARVD.HHE. 2020-08-19T00:42:15.70 0.6 undecidable manual P 356 47.7189 94 -0.21 48
IV.ATSC.EHE. 2020-08-19T00:42:15.63 0.6 undecidable manual P 328 46.2204 94 -0.05 50
IV.CSP1.EHZ. 2020-08-19T00:42:14.28 0.3 undecidable manual S 82 17.7711 112 -0.19 77
IV.FOSV.HNE. 2020-08-19T00:42:13.34 0.3 undecidable manual P 324 31.0467 98 -0.01 78
IV.GUMA.HNZ. 2020-08-19T00:42:13.14 0.1 undecidable manual P 91 28.1496 99 0.22 100
IV.EL6.EHZ. 2020-08-19T00:42:13.08 0.3 undecidable manual P 18 30.2475 98 -0.16 76
IV.FEMA.HNZ. 2020-08-19T00:42:13.34 0.3 undecidable manual S 157 12.876 124 0.02 80
IV.ATCC.EHZ. 2020-08-19T00:42:13.42 0.3 undecidable manual P 295 30.9468 98 0.08 77
IT.MTCL.HGZ. 2020-08-19T00:42:12.31 0.3 undecidable manual S 174 8.3805 140 -0.12 79
IV.MC2.EHZ. 2020-08-19T00:42:12.36 0.3 undecidable manual P 137 23.9538 103 0.08 78
IV.SEF1.HNN. 2020-08-19T00:42:12.43 0.3 undecidable manual S 339 9.1797 137 -0.13 79
IV.CESI.HHZ. 2020-08-19T00:42:12.86 0.3 undecidable manual S 223 9.7791 135 0.18 78
IV.ASSB.HHZ. 2020-08-19T00:42:12.61 0.3 undecidable manual P 264 26.8509 100 -0.1 77
IV.NRCA.HNZ. 2020-08-19T00:42:12.78 0.3 undecidable manual P 159 28.1496 99 -0.13 76
IV.FDMO.HHZ. 2020-08-19T00:42:12.20 0.3 undecidable manual S 114 8.88 138 -0.31 76
IV.CSP1.EHZ. 2020-08-19T00:42:11.42 0.6 undecidable manual P 82 17.7711 112 0.06 53
IV.MDAR.HNZ. 2020-08-19T00:42:11.77 0.6 undecidable manual P 42 18.5703 110 0.29 50
IV.MML1.HNE. 2020-08-19T00:42:11.90 0.3 undecidable manual S 345 5.0949 155 -0.04 81
IV.FDMO.HHZ. 2020-08-19T00:42:10.16 0.3 undecidable manual P 114 8.88 138 -0.07 80
IV.FEMA.HNZ. 2020-08-19T00:42:10.74 0.3 undecidable manual P 157 12.876 124 0.04 80
IT.MTCL.HGZ. 2020-08-19T00:42:10.26 0.3 undecidable manual P 174 8.3805 140 0.07 80
IV.SEF1.HNN. 2020-08-19T00:42:10.31 0.6 undecidable manual P 339 9.1797 137 0.05 53
IV.CESI.HHZ. 2020-08-19T00:42:10.59 0.3 undecidable manual P 223 9.7791 135 0.26 77
IV.MML1.HNE. 2020-08-19T00:42:09.93 0.3 undecidable manual P 345 5.0949 155 0.03 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.0 0.0001092543 0.16 AML other m 2020-08-19T00:42:12.42
IV.FDMO.HHN. ML:1.1 0.00014407874999999997 0.14 AML other m 2020-08-19T00:42:12.52
IV.CESI.HHN. ML:0.7 0.000052206420000000004 0.12 AML other m 2020-08-19T00:42:13.01
IV.CESI.HNN. ML:1.2 0.00016548998 0.96 AML other m 2020-08-19T00:42:13.51
IV.CESI.HNE. ML:1.0 0.00010521958000000001 1.89 AML other m 2020-08-19T00:42:13.05
IV.CESI.HHE. ML:1.0 0.00010596294000000001 0.1 AML other m 2020-08-19T00:42:13.05
IV.CSP1.EHE. ML:0.7 0.00003286556 0.16 AML other m 2020-08-19T00:42:14.81
IV.CSP1.EHN. ML:0.5 0.00002344837 0.08 AML other m 2020-08-19T00:42:14.95
IV.EL6.EHE. ML:1.0 0.000050293005 1.78 AML other m 2020-08-19T00:42:18.94
IV.EL6.EHN. ML:1.1 0.00005730745500000001 0.2 AML other m 2020-08-19T00:42:18.48
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