Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 18-11-2020 and time 12:45:02 (UTC) in region 3 km SE Serravalle di Chienti (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km SE Serravalle di Chienti (MC), on

  • 18-11-2020 12:45:02 (UTC)
  • 18-11-2020 13:45:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0580, 12.9780 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.

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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 6 915 1985
Pieve Torina MC 6 1458 3443
Monte Cavallo MC 7 145 3588
Pievebovigliana MC 9 866 4454
Fiordimonte MC 9 202 4656
Sefro MC 10 422 5078
Camerino MC 11 6974 12052
Pioraco MC 14 1134 13186
Fiastra MC 15 559 13745
Fiuminata MC 15 1402 15147
Nocera Umbra PG 16 5839 20986
Acquacanina MC 16 121 21107
Visso MC 17 1107 22214
Valtopina PG 18 1398 23612
Ussita MC 18 444 24056
Castelraimondo MC 18 4587 28643
Sellano PG 19 1079 29722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
95 Km S of Pesaro (94582 inhabitants)
100 Km E of Arezzo (99543 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 1.2 2020-11-18
12:45:02		 43.0582 12.9777 13 2020-11-18
12:49:21		 Sala Sismica INGV-Roma 84826461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-18 12:45:02 ± 0.03
Latitude 43.0582 ± 0.0018
Longitude 12.9777 ± 0.0037
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84826461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
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 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.37052
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 84826461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-18 12:49:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2020-11-18T12:45:15.91 0.3 undecidable manual S 190 41.1255 93 0.06 71
IV.ATCC.EHZ. 2020-11-18T12:45:13.43 0.3 undecidable manual S 297 30.747 95 0.34 67
IV.EL6.EHZ. 2020-11-18T12:45:13.47 0.3 undecidable manual S 18 31.746 95 0.13 70
IV.NRCA.HHZ. 2020-11-18T12:45:12.15 0.3 undecidable manual S 156 27.2505 97 -0.01 72
IV.MC2.EHZ. 2020-11-18T12:45:11.32 0.3 undecidable manual S 133 23.6541 99 0.12 71
IV.ASSB.HHZ. 2020-11-18T12:45:11.73 0.3 undecidable manual S 266 25.9518 97 -0.07 72
IV.SNTG.HHZ. 2020-11-18T12:45:10.65 0.1 undecidable manual S 352 22.0668 100 -0.13 96
IV.CSP1.EHZ. 2020-11-18T12:45:10.08 0.3 undecidable manual S 78 18.7701 105 0.15 71
IV.GAVE.EHZ. 2020-11-18T12:45:10.04 0.6 negative manual P 190 41.1255 93 -0.12 46
IV.ATCC.EHZ. 2020-11-18T12:45:08.47 0.6 undecidable manual P 297 30.747 95 -0.1 47
IV.EL6.EHZ. 2020-11-18T12:45:08.58 0.3 negative manual P 18 31.746 95 -0.14 70
IT.MTCL.HGZ. 2020-11-18T12:45:07.33 0.1 undecidable manual S 166 7.2927 142 -0.01 100
IV.NRCA.HHZ. 2020-11-18T12:45:07.79 0.1 positive manual P 156 27.2505 97 -0.24 92
IV.FDMO.HHZ. 2020-11-18T12:45:07.68 0.1 undecidable manual S 105 9.1797 134 0 99
IV.SNTG.HHZ. 2020-11-18T12:45:07.09 0.3 positive manual P 352 22.0668 100 -0.15 71
IV.CESI.HHZ. 2020-11-18T12:45:07.65 0.1 undecidable manual S 225 8.3805 137 0.13 97
IV.MC2.EHZ. 2020-11-18T12:45:07.48 0.6 undecidable manual P 133 23.6541 99 0 49
IV.ASSB.HHZ. 2020-11-18T12:45:07.69 0.3 positive manual P 266 25.9518 97 -0.13 71
IV.CSP1.EHZ. 2020-11-18T12:45:06.72 0.3 negative manual P 78 18.7701 105 -0.02 73
IT.MTCL.HGZ. 2020-11-18T12:45:05.30 1.0 undecidable manual P 166 7.2927 142 0.05 25
IV.FDMO.HHZ. 2020-11-18T12:45:05.47 0.1 undecidable manual P 105 9.1797 134 0.03 99
IV.CESI.HHZ. 2020-11-18T12:45:05.44 1.0 undecidable manual P 225 8.3805 137 0.09 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.2 0.00016715190999999998 0.0832 AML other m 2020-11-18T12:45:07.77
IV.CESI.HHN. ML:1.2 0.0001896313 0.1216 AML other m 2020-11-18T12:45:07.81
IV.CESI.HNE. ML:1.1 0.000142528015 0.0576 AML other m 2020-11-18T12:45:07.78
IV.CESI.HNN. ML:1.2 0.0001759594545 0.1088 AML other m 2020-11-18T12:45:07.82
IV.FDMO.HHE. ML:1.5 0.00033795494999999995 0.1152 AML other m 2020-11-18T12:45:07.87
IV.FDMO.HHN. ML:1.6 0.00043068595 0.16 AML other m 2020-11-18T12:45:07.78
IV.CSP1.EHE. ML:1.4 0.00016994722 0.1792 AML other m 2020-11-18T12:45:10.21
IV.CSP1.EHN. ML:1.4 0.00020645105 0.16 AML other m 2020-11-18T12:45:10.21
IV.SNTG.HHE. ML:1.1 0.000085728575 0.096 AML other m 2020-11-18T12:45:10.75
IV.SNTG.HHN. ML:0.9 0.000050221285 0.1024 AML other m 2020-11-18T12:45:10.69
IV.SNTG.HNE. ML:1.2 0.00010259948999999999 0.4736 AML other m 2020-11-18T12:45:10.80
IV.SNTG.HNN. ML:1.5 0.0001816577 1.152 AML other m 2020-11-18T12:45:11.52
IV.ASSB.HHE. ML:0.9 0.000042369215 0.096 AML other m 2020-11-18T12:45:12.70
IV.ASSB.HHN. ML:0.9 0.00004242414 0.096 AML other m 2020-11-18T12:45:12.14
IV.NRCA.HHE. ML:0.9 0.00004688252499999999 0.0832 AML other m 2020-11-18T12:45:14.40
IV.NRCA.HHN. ML:1.0 0.00004884661 0.1152 AML other m 2020-11-18T12:45:13.73
IV.ATCC.EHE. ML:1.0 0.000037774945000000006 0.1408 AML other m 2020-11-18T12:45:13.58
IV.ATCC.EHN. ML:0.7 0.00002505494 0.5952 AML other m 2020-11-18T12:45:11.97
IV.EL6.EHE. ML:1.4 0.00011492417000000001 0.16 AML other m 2020-11-18T12:45:13.80
IV.EL6.EHN. ML:1.6 0.00015949405 0.1408 AML other m 2020-11-18T12:45:14.14
IV.GAVE.EHE. ML:1.1 0.000038186165 0.0832 AML other m 2020-11-18T12:45:16.69
IV.GAVE.EHN. ML:1.1 0.000040689685000000003 0.1024 AML other m 2020-11-18T12:45:17.06
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