Earthquake with magnitude of ML 0.6 on date 04-03-2021 and time 05:00:03 (Italy) in region 3 km NE Ussita (MC)

A magnitude ML 0.6 earthquake occured in region: 3 km NE Ussita (MC), on

  • 04-03-2021 04:00:03 (UTC)
  • 04-03-2021 05:00:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9610, 13.1720 at 8 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
Ussita MC 3 444 444
Bolognola MC 6 142 586
Visso MC 8 1107 1693
Castelsantangelo sul Nera MC 8 281 1974
Acquacanina MC 8 121 2095
Fiastra MC 9 559 2654
Fiordimonte MC 11 202 2856
Pievebovigliana MC 13 866 3722
Pieve Torina MC 14 1458 5180
Sarnano MC 14 3264 8444
Montefortino FM 14 1178 9622
Preci PG 14 724 10346
Monte Cavallo MC 14 145 10491
Montemonaco AP 14 604 11095
Amandola FM 15 3629 14724
Muccia MC 17 915 15639
Cessapalombo MC 18 512 16151
Gualdo MC 18 815 16966
Montegallo AP 19 523 17489
Norcia PG 20 4957 22446
Comunanza AP 20 3166 25612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
62 Km NE of Terni (111501 inhabitants)
66 Km E of Perugia (166134 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 inhabitants)
99 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 0.6 2021-03-04
04:00:03
42.9613 13.1715 8 2021-03-04
04:19:12
Sala Sismica INGV-Roma 87697831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-04 04:00:03 ± 0.15
Latitude 42.9613 ± 0.0072
Longitude 13.1715 ± 0.0074
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87697831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 598
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32555
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 87697831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-04 04:19:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2021-03-04T04:00:17.27 0.3 undecidable manual S 72 36.1416 50 0.69 60
IV.MF5.EHZ. 2021-03-04T04:00:12.68 0.3 undecidable manual S 83 23.5542 110 0.11 72
IV.MNTT.EHZ. 2021-03-04T04:00:11.33 0.3 undecidable manual P 72 36.1416 50 0.12 71
IV.CESI.HHZ. 2021-03-04T04:00:11.92 0.1 undecidable manual S 283 22.1556 111 -0.2 95
IV.CSP1.EHZ. 2021-03-04T04:00:09.82 0.1 undecidable manual S 11 14.7741 120 0.05 99
IV.MMO1.EHN. 2021-03-04T04:00:09.27 0.1 undecidable manual S 119 14.3745 120 -0.39 92
IV.CESI.HHZ. 2021-03-04T04:00:08.12 0.1 undecidable manual P 283 22.1556 111 -0.51 88
IV.FEMA.HNZ. 2021-03-04T04:00:08.81 0.1 undecidable manual S 271 9.879 130 0.43 92
IV.MF5.EHZ. 2021-03-04T04:00:08.68 0.3 undecidable manual P 83 23.5542 110 -0.22 71
IV.FDMO.HHE. 2021-03-04T04:00:08.79 0.1 undecidable manual S 321 10.7781 128 0.16 97
IV.MC2.EHZ. 2021-03-04T04:00:07.92 0.1 undecidable manual S 166 5.6943 146 0.51 91
IV.CSP1.EHZ. 2021-03-04T04:00:07.12 0.1 negative manual P 11 14.7741 120 -0.16 97
IV.MMO1.EHN. 2021-03-04T04:00:06.77 0.1 undecidable manual P 119 14.3745 120 -0.45 91
IV.FDMO.HHE. 2021-03-04T04:00:06.51 0.1 undecidable manual P 321 10.7781 128 -0.11 98
IV.FEMA.HNZ. 2021-03-04T04:00:06.52 0.1 undecidable manual P 271 9.879 130 0.04 100
IV.MC2.EHZ. 2021-03-04T04:00:06.05 0.1 undecidable manual P 166 5.6943 146 0.13 99
IV.CRTC.HHZ. 2021-03-04T04:00:01.17 3.0 undecidable manual P -0.01 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.5 0.000021000000000000002 0.4 AML other m 2021-03-04T04:00:12.22
IV.CESI.HHN. ML:0.6 0.000024399999999999997 0.52 AML other m 2021-03-04T04:00:12.23
IV.CSP1.EHE. ML:0.8 0.00005797313 0.16 AML other m 2021-03-04T04:00:11.21
IV.CSP1.EHN. ML:0.7 0.00005454307 0.1408 AML other m 2021-03-04T04:00:09.96
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