Earthquake with magnitude of ML 1.1 on date 18-09-2020 and time 21:16:23 (Italy) in region 5 km S Fiordimonte (MC)

A magnitude ML 1.1 earthquake occured in region: 5 km S Fiordimonte (MC), on

  • 18-09-2020 19:16:23 (UTC)
  • 18-09-2020 21:16:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9960, 13.1060 at 9 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
Fiordimonte MC 5 202 202
Ussita MC 6 444 646
Fiastra MC 6 559 1205
Acquacanina MC 7 121 1326
Pieve Torina MC 7 1458 2784
Visso MC 7 1107 3891
Pievebovigliana MC 8 866 4757
Monte Cavallo MC 8 145 4902
Bolognola MC 10 142 5044
Muccia MC 11 915 5959
Castelsantangelo sul Nera MC 12 281 6240
Preci PG 14 724 6964
Serravalle di Chienti MC 15 1070 8034
Camerino MC 16 6974 15008
Sarnano MC 17 3264 18272
Cessapalombo MC 18 512 18784
Sellano PG 19 1079 19863
Caldarola MC 19 1823 21686

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 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 1.1 2020-09-18
19:16:23
42.9955 13.1058 9 2020-09-18
19:32:08
Sala Sismica INGV-Roma 83013841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-18 19:16:23 ± 0.09
Latitude 42.9955 ± 0.0027
Longitude 13.1058 ± 0.0025
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83013841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25900
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 83013841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-18 19:32:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2020-09-18T19:16:34.02 0.6 undecidable manual S 92 28.749 107 0.44 44
IV.SMA1.EHZ. 2020-09-18T19:16:31.27 3.0 positive manual P -0.26 0
IV.EL6.EHZ. 2020-09-18T19:16:30.07 3.0 undecidable manual P -0.34 0
IV.MMO1.EHZ. 2020-09-18T19:16:30.69 0.6 undecidable manual S 121 20.868 112 -0.33 46
IV.CESI.HHZ. 2020-09-18T19:16:29.65 0.6 undecidable manual S 274 16.3725 118 0.05 49
IV.PF6.EHE. 2020-09-18T19:16:29.72 0.6 undecidable manual S 24 17.3715 116 -0.18 48
IV.MF5.EHZ. 2020-09-18T19:16:29.24 0.1 undecidable manual P 92 28.749 107 0.06 96
IV.NRCA.HHZ. 2020-09-18T19:16:29.76 0.6 undecidable manual S 178 17.9709 116 -0.34 46
IV.MML1.EHZ. 2020-09-18T19:16:29.75 0.6 undecidable manual S 320 16.9719 117 -0.05 49
IV.MC2.EHZ. 2020-09-18T19:16:28.39 0.6 undecidable manual S 144 11.4774 127 0.22 48
IV.CSP1.EHZ. 2020-09-18T19:16:28.67 0.6 undecidable manual S 37 13.3755 123 -0.02 50
IV.MMO1.EHZ. 2020-09-18T19:16:27.57 0.1 undecidable manual P 121 20.868 112 -0.13 96
IT.MTCL.HGE. 2020-09-18T19:16:27.33 0.6 undecidable manual S 269 8.6802 135 -0.09 50
IV.NRCA.HHZ. 2020-09-18T19:16:27.04 0.1 undecidable manual P 178 17.9709 116 -0.14 97
IV.MC2.EHZ. 2020-09-18T19:16:26.21 0.3 negative manual P 144 11.4774 127 0.15 73
IV.CSP1.EHZ. 2020-09-18T19:16:26.43 0.1 undecidable manual P 37 13.3755 123 0.07 99
IV.FDMO.HHZ. 2020-09-18T19:16:26.44 0.6 undecidable manual S 342 4.7952 151 -0.16 49
IV.CESI.HHZ. 2020-09-18T19:16:26.96 0.1 undecidable manual P 274 16.3725 118 0.08 98
IV.PF6.EHE. 2020-09-18T19:16:26.97 0.1 undecidable manual P 24 17.3715 116 -0.09 98
IV.MML1.EHZ. 2020-09-18T19:16:26.97 0.1 undecidable manual P 320 16.9719 117 -0.03 99
IV.FEMA.HNE. 2020-09-18T19:16:26.89 0.6 undecidable manual S 231 5.8941 146 0.09 50
IT.MTCL.HGE. 2020-09-18T19:16:25.67 0.1 undecidable manual P 269 8.6802 135 0.05 100
IV.FEMA.HNE. 2020-09-18T19:16:25.43 0.1 undecidable manual P 231 5.8941 146 0.16 98
IV.FDMO.HHZ. 2020-09-18T19:16:25.21 1.0 undecidable manual P 342 4.7952 151 0.06 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.0 0.00027986834999999997 0.1408 AML other m 2020-09-18T19:16:26.69
IV.FDMO.HHN. ML:0.0 0.00028271964999999997 0.1536 AML other m 2020-09-18T19:16:26.71
IV.CSP1.EHE. ML:1.4 0.0002681296 0.32 AML other m 2020-09-18T19:16:29.32
IV.CSP1.EHN. ML:1.4 0.00026875870000000004 0.1792 AML other m 2020-09-18T19:16:28.89
IV.CESI.HHE. ML:0.8 0.00006246188999999999 0.128 AML other m 2020-09-18T19:16:29.75
IV.CESI.HHN. ML:0.7 0.0000457602 0.2048 AML other m 2020-09-18T19:16:29.99
IV.NRCA.HHE. ML:1.1 0.00009967059500000001 0.1408 AML other m 2020-09-18T19:16:31.17
IV.NRCA.HHN. ML:1.0 0.00009609297999999999 0.0896 AML other m 2020-09-18T19:16:30.68
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download