Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 16-03-2020 and time 19:23:31 (Italy) in region 3 km E Serravalle di Chienti (MC)

A magnitude ML 0.4 earthquake occured in region: 3 km E Serravalle di Chienti (MC), on

  • 16-03-2020 18:23:31 (UTC)
  • 16-03-2020 19:23:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0650, 12.9910 at 15 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 5 915 1985
Pieve Torina MC 5 1458 3443
Pievebovigliana MC 8 866 4309
Monte Cavallo MC 8 145 4454
Fiordimonte MC 9 202 4656
Sefro MC 10 422 5078
Camerino MC 10 6974 12052
Pioraco MC 13 1134 13186
Fiastra MC 14 559 13745
Fiuminata MC 15 1402 15147
Acquacanina MC 16 121 15268
Visso MC 17 1107 16375
Nocera Umbra PG 17 5839 22214
Castelraimondo MC 17 4587 26801
Ussita MC 18 444 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 NW of L'Aquila (69753 inhabitants)
87 Km S of Fano (60888 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
Reviewed
Rev100 		ML 0.4 2020-03-16
18:23:31		 43.0647 12.9908 15 2020-03-16
18:49:01		 Sala Sismica INGV-Roma 77310111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-16 18:23:31 ± 0.31
Latitude 43.0647 ± 0.0090
Longitude 12.9908 ± 0.0111
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77310111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 923
Semi-minor axis of confidence ellipse (meter) 674
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 77310111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-16 18:49:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2020-03-16T18:23:41.35 0.3 undecidable manual S 159 27.5502 106 0.2 70
IV.CSP1.EHZ. 2020-03-16T18:23:38.83 0.3 undecidable manual S 80 17.5713 119 0.14 72
IV.CESI.HHZ. 2020-03-16T18:23:37.26 0.3 undecidable manual S 227 9.5793 141 0.2 72
IV.NRCA.HHE. 2020-03-16T18:23:36.67 0.3 undecidable manual P 159 27.5502 106 -0.27 69
IT.MTCL.HGE. 2020-03-16T18:23:36.65 0.3 undecidable manual S 175 7.881 147 -0.13 74
IV.FDMO.HHZ. 2020-03-16T18:23:36.84 0.1 undecidable manual S 112 8.3805 145 -0.02 100
IV.MML1.EHZ. 2020-03-16T18:23:36.42 0.3 undecidable manual S 344 5.6943 156 -0.07 75
IV.CSP1.EHZ. 2020-03-16T18:23:35.67 0.3 undecidable manual P 80 17.5713 119 0.15 72
IV.FDMO.HHZ. 2020-03-16T18:23:34.52 0.1 undecidable manual P 112 8.3805 145 0.06 99
IV.CESI.HHZ. 2020-03-16T18:23:34.82 0.1 undecidable manual P 227 9.5793 141 0.25 95
IV.MML1.EHZ. 2020-03-16T18:23:34.32 0.3 undecidable manual P 344 5.6943 156 0.07 74
IT.MTCL.HGE. 2020-03-16T18:23:33.68 0.3 undecidable manual P 175 7.881 147 -0.74 62
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.3 0.000021147405 0.1024 AML other m 2020-03-16T18:23:37.09
IV.FDMO.HHN. ML:0.4 0.000022781139999999997 0.1536 AML other m 2020-03-16T18:23:37.06
IV.CESI.HHE. ML:0.5 0.00003244832 0.2048 AML other m 2020-03-16T18:23:37.40
IV.CESI.HHN. ML:0.5 0.000030617415000000004 0.1024 AML other m 2020-03-16T18:23:37.52
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