Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 16-03-2020 and time 12:20:38 (UTC) in region 3 km SE Fiordimonte (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km SE Fiordimonte (MC), on

  • 16-03-2020 12:20:38 (UTC)
  • 16-03-2020 13:20:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0170, 13.1150 at 4 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
Fiordimonte MC 3 202 202
Fiastra MC 4 559 761
Acquacanina MC 5 121 882
Pievebovigliana MC 6 866 1748
Pieve Torina MC 6 1458 3206
Ussita MC 8 444 3650
Muccia MC 9 915 4565
Bolognola MC 10 142 4707
Monte Cavallo MC 10 145 4852
Visso MC 10 1107 5959
Camerino MC 14 6974 12933
Castelsantangelo sul Nera MC 14 281 13214
Serravalle di Chienti MC 15 1070 14284
Sarnano MC 15 3264 17548
Cessapalombo MC 16 512 18060
Caldarola MC 16 1823 19883
Preci PG 17 724 20607
Camporotondo di Fiastrone MC 18 563 21170
Serrapetrona MC 19 966 22136
Gualdo MC 19 815 22951
Belforte del Chienti MC 19 1886 24837
San Ginesio MC 19 3498 28335
Sefro MC 20 422 28757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
92 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 0.5 2020-03-16
12:20:38		 43.017 13.1152 5 2020-03-16
12:36:23		 Sala Sismica INGV-Roma 77305901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-16 12:20:38 ± 0.13
Latitude 43.0170 ± 0.0036
Longitude 13.1152 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77305901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19425
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 77305901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-16 12:36:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2020-03-16T12:22:17.12 3.0 undecidable manual Sg 18.01 0
IV.IFIL.HHZ. 2020-03-16T12:22:10.71 3.0 undecidable manual Sn -9.99 0
OX.SABO.HNZ. 2020-03-16T12:22:06.22 3.0 undecidable manual Sg 9.21 0
IV.HAGA.HHZ. 2020-03-16T12:21:43.15 3.0 negative manual Pn -6.17 0
IV.MCT.HHZ. 2020-03-16T12:21:37.90 3.0 undecidable manual Pn -2.57 0
IV.PLLN.EHZ. 2020-03-16T12:21:33.33 3.0 negative manual Pn -3.4 0
IV.QLNO.HHZ. 2020-03-16T12:21:30.59 3.0 positive manual Pg 13.7 0
IV.TDS.HHZ. 2020-03-16T12:21:29.76 3.0 undecidable manual Pn 1.8 0
IT.PLTA.HNZ. 2020-03-16T12:21:28.99 3.0 undecidable manual Sg 8.33 0
IV.MILN.HNZ. 2020-03-16T12:21:25.64 3.0 undecidable manual Pn 5.61 0
IX.CLT3.HHZ.02 2020-03-16T12:21:19.76 3.0 negative manual Pg 10.54 0
IV.FIR.HHZ. 2020-03-16T12:21:10.68 3.0 undecidable manual Sn 2.26 0
IV.RONT.HHZ. 2020-03-16T12:21:08.14 3.0 undecidable manual Sn -2.86 0
IV.ROSPO.HHZ. 2020-03-16T12:21:06.08 3.0 positive manual Pg 9.56 0
IV.NDIM.HNZ. 2020-03-16T12:21:04.33 3.0 undecidable manual Pn 0.03 0
IV.COLB.HHZ. 2020-03-16T12:21:01.22 3.0 undecidable manual Pn -0.06 0
IV.ZCCA.HHZ. 2020-03-16T12:20:59.89 3.0 positive manual Pn 2.23 0
IV.APEC.HHZ. 2020-03-16T12:20:53.48 3.0 undecidable manual Sn -3.37 0
IV.RONT.HHZ. 2020-03-16T12:20:50.81 3.0 negative manual Pn -0.51 0
IV.MMO1.EHZ. 2020-03-16T12:20:45.55 0.3 undecidable manual S 127 21.5673 102 -0.17 71
IV.APEC.HHZ. 2020-03-16T12:20:45.45 3.0 negative manual Pg 2.08 0
IV.VVLD.HHZ. 2020-03-16T12:20:45.22 3.0 undecidable manual P -1.99 0
IV.MML1.EHN. 2020-03-16T12:20:43.97 0.3 undecidable manual S 313 15.7731 106 0.19 72
IV.MMO1.EHZ. 2020-03-16T12:20:42.95 0.3 undecidable manual P 127 21.5673 102 0.46 67
IV.CSP1.EHZ. 2020-03-16T12:20:42.38 0.3 undecidable manual S 41 11.0778 112 0.17 73
IV.FEMA.HNE. 2020-03-16T12:20:41.63 0.3 undecidable manual S 221 8.0808 119 0.35 70
IV.RMP.HHZ. 2020-03-16T12:20:41.78 3.0 negative manual P -1.58 0
IV.MML1.EHN. 2020-03-16T12:20:41.29 0.1 undecidable manual P 313 15.7731 106 -0.08 98
IV.NRCA.HHZ. 2020-03-16T12:20:41.93 0.1 undecidable manual P 180 20.3685 102 -0.32 92
IV.CESI.HNN. 2020-03-16T12:20:41.54 0.1 undecidable manual P 266 17.1717 105 -0.08 98
IV.CSP1.EHZ. 2020-03-16T12:20:40.41 0.1 undecidable manual P 41 11.0778 112 -0.05 99
IV.FEMA.HNE. 2020-03-16T12:20:40.01 0.1 undecidable manual P 221 8.0808 119 0.09 99
IT.MTCL.HGE. 2020-03-16T12:20:40.20 0.1 undecidable manual P 255 9.6792 115 -0.02 100
IV.FDMO.HHZ. 2020-03-16T12:20:39.79 0.3 undecidable manual S 314 3.0969 145 -0.19 73
IV.FDMO.HHZ. 2020-03-16T12:20:39.09 0.1 undecidable manual P 314 3.0969 145 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.0 0.00026053340000000005 0.1984 AML other m 2020-03-16T12:20:39.94
IV.FDMO.HHN. ML:0.0 0.00020511574999999997 0.096 AML other m 2020-03-16T12:20:40.13
IV.CSP1.EHE. ML:0.5 0.000042697045000000004 0.0832 AML other m 2020-03-16T12:20:42.47
IV.CSP1.EHN. ML:0.1 0.00001989703 0.0768 AML other m 2020-03-16T12:20:42.77
IV.NRCA.HHE. ML:0.6 0.000037063825 0.1792 AML other m 2020-03-16T12:20:47.72
IV.NRCA.HHN. ML:0.6 0.000027908010000000002 0.1024 AML other m 2020-03-16T12:20:46.73
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