Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 16-03-2020 and time 00:58:19 (UTC) in region 5 km S Fiordimonte (MC)

A magnitude ML 0.9 earthquake occured in region: 5 km S Fiordimonte (MC), on

  • 16-03-2020 00:58:19 (UTC)
  • 16-03-2020 01:58:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9980, 13.0780 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 202 202
Pieve Torina MC 6 1458 1660
Monte Cavallo MC 6 145 1805
Pievebovigliana MC 7 866 2671
Visso MC 7 1107 3778
Fiastra MC 8 559 4337
Ussita MC 8 444 4781
Acquacanina MC 9 121 4902
Muccia MC 10 915 5817
Bolognola MC 12 142 5959
Castelsantangelo sul Nera MC 13 281 6240
Serravalle di Chienti MC 13 1070 7310
Preci PG 14 724 8034
Camerino MC 15 6974 15008
Sellano PG 17 1079 16087
Sarnano MC 19 3264 19351
Cessapalombo MC 19 512 19863
Sefro MC 20 422 20285
Caldarola MC 20 1823 22108

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
57 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
94 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
Bulletin
Rev1000 		ML 0.9 2020-03-16
00:58:19		 42.9982 13.078 9 2020-07-18
21:08:29		 Bollettino Sismico Italiano INGV 77621921
Reviewed
Rev100 		ML 1.3 2020-03-16
00:58:19		 42.9995 13.0775 10 2020-03-16
01:05:50		 Sala Sismica INGV-Roma 77292191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-16 00:58:19 ± 0.05
Latitude 42.9982 ± 0.0036
Longitude 13.0780 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77621921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 77621921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-05 16:50:58

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 77292191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-16 01:05:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-03-16T00:58:40.29 0.3 undecidable manual S 334 64.2912 50 0.4 64
IV.SSFR.HHZ. 2020-03-16T00:58:37.41 0.6 undecidable manual S 334 54.2013 50 0.22 45
IV.ATCC.EHZ. 2020-03-16T00:58:33.79 0.6 undecidable manual S 300 41.1255 50 0.09 47
IV.EL6.EHZ. 2020-03-16T00:58:32.59 0.6 undecidable manual S 3 36.8298 50 0.04 48
IV.FRON.EHZ. 2020-03-16T00:58:31.31 0.6 undecidable manual P 334 64.2912 50 -0.12 45
IV.SNTG.HHZ. 2020-03-16T00:58:30.60 0.6 undecidable manual S 339 30.5472 50 -0.3 46
IV.SSFR.HHZ. 2020-03-16T00:58:29.75 0.6 positive manual P 334 54.2013 50 -0.13 46
IV.MMO1.EHZ. 2020-03-16T00:58:28.35 0.6 undecidable manual S 118 22.9548 112 -0.14 48
IV.ATCC.EHZ. 2020-03-16T00:58:27.93 0.6 undecidable manual P 300 41.1255 50 0.07 48
IV.EL6.EHZ. 2020-03-16T00:58:26.88 0.6 positive manual P 3 36.8298 50 -0.32 46
IV.CSP1.EHZ. 2020-03-16T00:58:26.04 0.6 undecidable manual S 45 14.5743 123 0.14 49
IV.NRCA.HHZ. 2020-03-16T00:58:26.94 0.6 undecidable manual S 171 18.4704 117 -0.13 49
IV.CESI.HHZ. 2020-03-16T00:58:25.74 0.6 undecidable manual S 273 14.0748 124 -0.01 51
IV.MC2.EHZ. 2020-03-16T00:58:25.83 0.6 undecidable manual S 137 13.1757 125 0.34 47
IV.SNTG.HHZ. 2020-03-16T00:58:25.85 0.6 undecidable manual P 339 30.5472 50 -0.39 45
IV.NRCA.HHZ. 2020-03-16T00:58:24.01 0.1 positive manual P 171 18.4704 117 -0.03 100
IV.MMO1.EHZ. 2020-03-16T00:58:24.87 1.0 negative manual P 118 22.9548 112 0.01 25
IV.CSP1.EHZ. 2020-03-16T00:58:23.51 1.0 positive manual P 45 14.5743 123 0.15 25
IV.CESI.HHZ. 2020-03-16T00:58:23.35 0.6 undecidable manual P 273 14.0748 124 0.08 50
IV.MC2.EHZ. 2020-03-16T00:58:23.38 1.0 negative manual P 137 13.1757 125 0.26 24
IV.FDMO.HHZ. 2020-03-16T00:58:23.25 0.6 undecidable manual S 10 4.2957 155 -0.2 49
IV.FDMO.HHZ. 2020-03-16T00:58:22.00 1.0 undecidable manual P 10 4.2957 155 0.06 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.4 0.0005065000000000001 0.14 AML other m 2020-03-16T00:58:23.40
IV.FDMO.HHE. ML:1.5 0.0006395 0.18 AML other m 2020-03-16T00:58:23.37
IV.CESI.HHE. ML:0.4 0.000023361260000000003 0.1 AML other m 2020-03-16T00:58:27.77
IV.CESI.HHN. ML:0.5 0.000029181399999999995 0.22 AML other m 2020-03-16T00:58:27.16
IV.CSP1.EHE. ML:1.2 0.0001532276 0.24 AML other m 2020-03-16T00:58:26.87
IV.CSP1.EHN. ML:1.0 0.00009050297000000001 0.22 AML other m 2020-03-16T00:58:26.73
IV.NRCA.HHN. ML:1.0 0.000088245065 0.12 AML other m 2020-03-16T00:58:28.57
IV.NRCA.HHE. ML:1.0 0.000074236395 0.08 AML other m 2020-03-16T00:58:27.10
IV.SNTG.HHN. ML:0.5 0.000012735283 0.08 AML other m 2020-03-16T00:58:31.20
IV.SNTG.HHE. ML:0.3 0.0000093008345 0.16 AML other m 2020-03-16T00:58:33.14
IV.SSFR.HHE. ML:0.8 0.000017230999 0.34 AML other m 2020-03-16T00:58:40.56
IV.SSFR.HHN. ML:0.9 0.00001835430855 0.14 AML other m 2020-03-16T00:58:39.06
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