Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 02-03-2021 and time 18:36:48 (UTC) in region 6 km S Fiordimonte (MC)

A magnitude ML 0.5 earthquake occured in region: 6 km S Fiordimonte (MC), on

  • 02-03-2021 18:36:48 (UTC)
  • 02-03-2021 19:36:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9900, 13.0710 at 13 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 6 202 202
Monte Cavallo MC 6 145 347
Pieve Torina MC 6 1458 1805
Visso MC 7 1107 2912
Ussita MC 8 444 3356
Pievebovigliana MC 8 866 4222
Fiastra MC 9 559 4781
Acquacanina MC 10 121 4902
Muccia MC 11 915 5817
Castelsantangelo sul Nera MC 13 281 6098
Preci PG 13 724 6822
Bolognola MC 13 142 6964
Serravalle di Chienti MC 13 1070 8034
Sellano PG 16 1079 9113
Camerino MC 16 6974 16087
Sarnano MC 20 3264 19351
Sefro MC 20 422 19773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
57 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
79 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 0.5 2021-03-02
18:36:48		 42.9903 13.071 13 2021-03-02
18:43:24		 Sala Sismica INGV-Roma 87630311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-02 18:36:48 ± 0.08
Latitude 42.9903 ± 0.0018
Longitude 13.0710 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87630311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 302
Semi-minor axis of confidence ellipse (meter) 144
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33904
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 87630311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-02 18:43:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2021-03-02T18:37:13.52 3.0 undecidable manual S -0.03 0
IV.EL6.EHZ. 2021-03-02T18:37:01.10 0.6 undecidable manual S 4 37.629 95 0.13 47
IV.PF6.EHZ. 2021-03-02T18:36:56.07 0.6 undecidable manual S 31 19.1697 107 -0.03 50
IV.MMO1.EHZ. 2021-03-02T18:36:56.88 0.6 undecidable manual S 116 23.0547 102 -0.23 47
IV.CSP1.EHZ. 2021-03-02T18:36:55.31 0.6 undecidable manual S 44 15.6732 114 0.1 49
IV.EL6.EHZ. 2021-03-02T18:36:55.66 1.0 negative manual P 4 37.629 95 -0.01 24
IV.NRCA.HHZ. 2021-03-02T18:36:55.69 0.6 undecidable manual S 169 17.7711 109 -0.05 49
IV.MML1.EHZ. 2021-03-02T18:36:54.98 0.6 undecidable manual S 330 15.873 114 -0.29 47
IV.CESI.HHZ. 2021-03-02T18:36:54.70 0.6 undecidable manual S 277 13.5753 120 -0.02 50
IV.MC2.EHZ. 2021-03-02T18:36:54.63 0.6 undecidable manual S 132 12.9759 122 0.05 50
IV.MMO1.EHZ. 2021-03-02T18:36:53.45 0.6 negative manual P 116 23.0547 102 0.01 49
IV.FEMA.HNZ. 2021-03-02T18:36:53.33 0.6 undecidable manual S 209 3.5964 161 0.32 48
IV.FDMO.HHZ. 2021-03-02T18:36:53.17 0.6 undecidable manual S 15 5.2947 153 -0.01 51
IT.MTCL.HGZ. 2021-03-02T18:36:53.03 0.6 undecidable manual S 274 5.7942 150 -0.22 49
IV.NRCA.HHZ. 2021-03-02T18:36:52.62 0.3 undecidable manual P 169 17.7711 109 -0.03 74
IV.MC2.EHZ. 2021-03-02T18:36:52.18 0.6 undecidable manual P 132 12.9759 122 0.2 49
IV.MML1.EHZ. 2021-03-02T18:36:52.37 0.1 undecidable manual P 330 15.873 114 -0.01 100
IV.CESI.HHZ. 2021-03-02T18:36:52.22 0.6 undecidable manual P 277 13.5753 120 0.15 49
IV.CSP1.EHZ. 2021-03-02T18:36:52.38 0.3 negative manual P 44 15.6732 114 0.04 75
IV.PF6.EHZ. 2021-03-02T18:36:52.78 0.1 undecidable manual P 31 19.1697 107 -0.07 98
IV.FDMO.HHZ. 2021-03-02T18:36:51.08 1.0 undecidable manual P 15 5.2947 153 -0.09 25
IT.MTCL.HGZ. 2021-03-02T18:36:51.53 0.1 undecidable manual P 274 5.7942 150 0.32 96
IV.FEMA.HNZ. 2021-03-02T18:36:50.88 0.1 undecidable manual P 209 3.5964 161 -0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.3 0.00002665 0.14 AML other m 2021-03-02T18:36:53.30
IV.FDMO.HHE. ML:0.4 0.000030100000000000003 0.24 AML other m 2021-03-02T18:36:53.66
IV.CESI.HHE. ML:0.0 0.000011970942 0.1024 AML other m 2021-03-02T18:36:55.45
IV.CESI.HHN. ML:0.4 0.00002478731 0.256 AML other m 2021-03-02T18:36:55.38
IV.CSP1.EHE. ML:0.7 0.000045078464999999996 0.1792 AML other m 2021-03-02T18:36:55.55
IV.CSP1.EHN. ML:0.6 0.000037466972 0.1792 AML other m 2021-03-02T18:36:55.76
IV.NRCA.HHE. ML:0.1 0.000009747485349999999 0.1152 AML other m 2021-03-02T18:36:55.72
IV.NRCA.HHN. ML:0.5 0.000023037870000000003 0.1152 AML other m 2021-03-02T18:36:55.96
IV.NRCA.HNE. ML:1.3 0.00013990244999999998 0.8192 AML other m 2021-03-02T18:36:55.23
IV.NRCA.HNN. ML:1.4 0.0002035397 0.832 AML other m 2021-03-02T18:36:55.59
IV.EL6.EHE. ML:0.1 0.000005765835 0.32 AML other m 2021-03-02T18:37:01.37
IV.EL6.EHN. ML:1.1 0.00004490061 1.472 AML other m 2021-03-02T18:37:00.18
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