Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 16-09-2020 and time 22:47:24 (Italy) in region 4 km S Serravalle di Chienti (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km S Serravalle di Chienti (MC), on

  • 16-09-2020 20:47:24 (UTC)
  • 16-09-2020 22:47:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0330, 12.9560 at 12 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 4 1070 1070
Monte Cavallo MC 6 145 1215
Pieve Torina MC 8 1458 2673
Muccia MC 9 915 3588
Fiordimonte MC 11 202 3790
Pievebovigliana MC 11 866 4656
Sefro MC 13 422 5078
Camerino MC 15 6974 12052
Visso MC 16 1107 13159
Nocera Umbra PG 16 5839 18998
Sellano PG 16 1079 20077
Fiastra MC 16 559 20636
Pioraco MC 17 1134 21770
Valtopina PG 17 1398 23168
Fiuminata MC 18 1402 24570
Acquacanina MC 18 121 24691
Ussita MC 18 444 25135
Preci PG 18 724 25859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
98 Km S of Pesaro (94582 inhabitants)
99 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 2020-09-16
20:47:24		 43.0332 12.9562 12 2020-09-16
21:01:31		 Sala Sismica INGV-Roma 82962641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-16 20:47:24 ± 0.05
Latitude 43.0332 ± 0.0027
Longitude 12.9562 ± 0.0025
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82962641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 272
Semi-minor axis of confidence ellipse (meter) 228
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
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) 92
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51261
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 82962641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-16 21:01:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-09-16T20:47:36.53 0.3 undecidable manual S 20 34.9428 91 0.14 70
IV.FOSV.EHZ. 2020-09-16T20:47:35.91 0.1 undecidable manual S 332 33.0447 92 0.01 96
IV.ATCC.EHZ. 2020-09-16T20:47:35.44 0.3 undecidable manual S 303 30.6471 92 0.18 70
IV.FRON.EHZ. 2020-09-16T20:47:34.69 0.3 undecidable manual P 341 56.8986 91 -0.12 68
IV.ASSB.HHZ. 2020-09-16T20:47:33.23 0.3 undecidable manual S 273 24.1536 93 -0.29 70
IV.SSFR.HHZ. 2020-09-16T20:47:33.17 0.3 undecidable manual P 343 46.9197 91 -0.09 69
IV.CSP1.EHZ. 2020-09-16T20:47:32.69 0.3 undecidable manual S 72 21.1677 94 -0.05 72
IV.EL6.EHZ. 2020-09-16T20:47:31.32 0.3 undecidable manual P 20 34.9428 91 -0.09 70
IV.GAVE.EHZ. 2020-09-16T20:47:31.78 3.0 negative manual P 0.07 0
IV.MMO1.EHZ. 2020-09-16T20:47:31.11 3.0 negative manual P -0.21 0
IV.FOSV.EHZ. 2020-09-16T20:47:31.09 0.3 undecidable manual P 332 33.0447 92 -0.03 72
IV.COR1.EHZ. 2020-09-16T20:47:31.09 3.0 negative manual P 0.19 0
IV.FEMA.HNN. 2020-09-16T20:47:30.11 0.3 undecidable manual S 136 10.9779 120 0.02 75
IV.ATCC.EHZ. 2020-09-16T20:47:30.66 0.3 undecidable manual P 303 30.6471 92 -0.1 71
IV.MC2.EHZ. 2020-09-16T20:47:29.71 0.3 undecidable manual P 125 23.2545 93 0.09 72
IV.CSP1.EHZ. 2020-09-16T20:47:29.31 0.6 positive manual P 72 21.1677 94 0.01 49
IV.NRCA.HHZ. 2020-09-16T20:47:29.77 3.0 positive manual P -0.5 0
IV.ASSB.HHZ. 2020-09-16T20:47:29.75 0.3 undecidable manual P 273 24.1536 93 -0.01 73
IV.MML1.HNE. 2020-09-16T20:47:29.74 0.3 undecidable manual S 8 8.9799 129 0.08 75
IV.FDMO.HHZ. 2020-09-16T20:47:29.90 0.3 undecidable manual S 88 10.6782 121 -0.12 73
IT.MTCL.HGN. 2020-09-16T20:47:28.87 0.3 undecidable manual S 141 5.5944 146 -0.18 73
IV.CESI.HHZ. 2020-09-16T20:47:28.99 0.3 undecidable manual S 233 5.1948 148 0 76
IV.CESI.HHZ. 2020-09-16T20:47:27.27 0.1 undecidable manual P 233 5.1948 148 0.13 98
IV.MML1.HNE. 2020-09-16T20:47:27.64 0.3 undecidable manual P 8 8.9799 129 0.11 74
IV.FDMO.HHZ. 2020-09-16T20:47:27.76 0.1 negative manual P 88 10.6782 121 0.02 100
IV.FEMA.HNN. 2020-09-16T20:47:27.92 0.1 undecidable manual P 136 10.9779 120 0.14 97
IT.MTCL.HGN. 2020-09-16T20:47:27.23 0.3 undecidable manual P 141 5.5944 146 0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.5 0.00048350000000000004 0.22 AML other m 2020-09-16T20:47:29.06
IV.CESI.HHN. ML:1.6 0.0006325 0.26 AML other m 2020-09-16T20:47:29.31
IV.FDMO.HHE. ML:1.5 0.000367 0.12 AML other m 2020-09-16T20:47:30.06
IV.FDMO.HHN. ML:1.3 0.00020750000000000003 0.12 AML other m 2020-09-16T20:47:30.26
IV.ASSB.HHE. ML:1.0 0.0000552 0.26 AML other m 2020-09-16T20:47:33.55
IV.NRCA.HHE. ML:1.2 0.0000861 0.16 AML other m 2020-09-16T20:47:33.73
IV.NRCA.HHN. ML:1.3 0.000108 0.5 AML other m 2020-09-16T20:47:33.96
IV.ASSB.HHN. ML:0.9 0.00004885 0.28 AML other m 2020-09-16T20:47:34.37
IV.SSFR.HHN. ML:1.1 0.000037000000000000005 0.12 AML other m 2020-09-16T20:47:40.88
IV.SSFR.HHE. ML:1.2 0.00004855 0.16 AML other m 2020-09-16T20:47:40.79
IV.ARVD.HHE. ML:0.8 0.00001685 0.88 AML other m 2020-09-16T20:47:42.00
IV.ARVD.HHN. ML:0.8 0.000014499999999999998 0.62 AML other m 2020-09-16T20:47:42.47
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