Earthquake with magnitude of ML 1.2 on date 03-04-2021 and time 06:33:35 (Italy) in region 2 km W Fiordimonte (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km W Fiordimonte (MC), on

  • 03-04-2021 04:33:35 (UTC)
  • 03-04-2021 06:33:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0310, 13.0720 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.

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 2 202 202
Pieve Torina MC 2 1458 1660
Pievebovigliana MC 4 866 2526
Muccia MC 6 915 3441
Fiastra MC 7 559 4000
Monte Cavallo MC 7 145 4145
Acquacanina MC 8 121 4266
Serravalle di Chienti MC 11 1070 5336
Ussita MC 11 444 5780
Visso MC 11 1107 6887
Camerino MC 12 6974 13861
Bolognola MC 13 142 14003
Sefro MC 16 422 14425
Castelsantangelo sul Nera MC 17 281 14706
Preci PG 17 724 15430
Caldarola MC 17 1823 17253
Cessapalombo MC 18 512 17765
Pioraco MC 18 1134 18899
Sarnano MC 19 3264 22163
Serrapetrona MC 19 966 23129
Camporotondo di Fiastrone MC 19 563 23692
Sellano PG 20 1079 24771
Castelraimondo MC 20 4587 29358

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 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 1.2 2021-04-03
04:33:35
43.0313 13.0725 12 2021-04-03
04:41:47
Sala Sismica INGV-Roma 88728681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-03 04:33:35 ± 0.05
Latitude 43.0313 ± 0.0027
Longitude 13.0725 ± 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 88728681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 265
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.01169
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 88728681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-03 04:41:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHE. 2021-04-03T04:33:59.46 0.1 undecidable manual P 33.1446 1.749 0
IV.ASSB.HHZ. 2021-04-03T04:33:46.79 0.6 undecidable manual S 272 33.5442 94 -0.08 47
IV.MMO1.EHZ. 2021-04-03T04:33:44.55 0.6 undecidable manual S 125 25.3524 96 -0.12 47
IV.NRCA.HHZ. 2021-04-03T04:33:43.78 0.6 undecidable manual S 171 22.1556 98 -0.07 48
IV.MC2.EHZ. 2021-04-03T04:33:42.60 0.6 undecidable manual S 145 16.3725 107 0.29 46
IV.ASSB.HHZ. 2021-04-03T04:33:41.85 0.3 undecidable manual P 272 33.5442 94 -0.19 69
IV.CSP1.EHZ. 2021-04-03T04:33:41.53 0.6 undecidable manual S 58 12.6762 118 0.13 48
IV.CESI.HHZ. 2021-04-03T04:33:41.87 0.6 undecidable manual S 258 13.9749 113 0.16 48
IV.MML1.HNZ. 2021-04-03T04:33:41.28 0.6 undecidable manual S 318 12.2766 119 -0.02 49
IT.MTCL.HGZ. 2021-04-03T04:33:40.25 0.6 undecidable manual S 235 7.2927 141 -0.03 49
IV.NRCA.HHZ. 2021-04-03T04:33:40.26 0.3 negative manual P 171 22.1556 98 -0.04 72
IV.MMO1.EHZ. 2021-04-03T04:33:40.69 0.6 undecidable manual P 125 25.3524 96 -0.08 48
IV.CESI.HHZ. 2021-04-03T04:33:39.16 0.1 undecidable manual P 258 13.9749 113 0.1 96
IV.MC2.EHZ. 2021-04-03T04:33:39.56 0.6 undecidable manual P 145 16.3725 107 0.15 48
IV.FDMO.HHZ. 2021-04-03T04:33:39.47 0.6 undecidable manual S 65 1.2987 172 -0.17 48
IV.MML1.HNZ. 2021-04-03T04:33:38.83 0.1 undecidable manual P 318 12.2766 119 0 98
IT.MTCL.HGZ. 2021-04-03T04:33:38.25 0.1 undecidable manual P 235 7.2927 141 0.01 99
IV.CSP1.EHZ. 2021-04-03T04:33:38.89 0.6 undecidable manual P 58 12.6762 118 0.01 49
IV.FDMO.HHZ. 2021-04-03T04:33:37.85 0.1 undecidable manual P 65 1.2987 172 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.5 0.0003055 0.52 AML other m 2021-04-03T04:33:41.63
IV.CSP1.EHE. ML:1.4 0.0002535 1.12 AML other m 2021-04-03T04:33:41.63
IV.CESI.HHN. ML:1.6 0.0004 1.88 AML other m 2021-04-03T04:33:41.99
IV.CESI.HHE. ML:1.1 0.00011757436499999999 0.0992 AML other m 2021-04-03T04:33:41.99
IV.NRCA.HHN. ML:1.0 0.0000712 0.54 AML other m 2021-04-03T04:33:44.31
IV.NRCA.HHE. ML:0.8 0.0000452 0.82 AML other m 2021-04-03T04:33:44.01
IV.ASSB.HHE. ML:0.8 0.000027495499999999998 0.1024 AML other m 2021-04-03T04:33:47.91
IV.ASSB.HHN. ML:0.8 0.000027466949999999996 0.1024 AML other m 2021-04-03T04:33:47.59
IV.CESI.HNE. ML:1.4 0.0002067913 1.0016 AML other m 2021-04-03T04:33:42.50
IV.CESI.HNN. ML:1.6 0.00040046780000000006 0.1312 AML other m 2021-04-03T04:33:41.99
IV.NRCA.HNE. ML:1.1 0.00007697013 0.928 AML other m 2021-04-03T04:33:44.78
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