Earthquake with magnitude of ML 0.9 on date 01-07-2021 and time 05:45:53 (Italy) in region 3 km NW Ussita (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km NW Ussita (MC), on

  • 01-07-2021 03:45:53 (UTC)
  • 01-07-2021 05:45:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9580, 13.1110 at 10 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
Visso MC 3 1107 1551
Castelsantangelo sul Nera MC 8 281 1832
Fiordimonte MC 9 202 2034
Fiastra MC 10 559 2593
Acquacanina MC 10 121 2714
Monte Cavallo MC 10 145 2859
Preci PG 10 724 3583
Bolognola MC 10 142 3725
Pieve Torina MC 11 1458 5183
Pievebovigliana MC 12 866 6049
Muccia MC 15 915 6964
Sellano PG 17 1079 8043
Sarnano MC 18 3264 11307
Serravalle di Chienti MC 18 1070 12377
Norcia PG 18 4957 17334
Montemonaco AP 19 604 17938
Montefortino FM 19 1178 19116

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
58 Km NE of Terni (111501 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
98 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 0.9 2021-07-01
03:45:53
42.9577 13.1107 10 2021-07-01
03:52:49
Sala Sismica INGV-Roma 92091731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-01 03:45:53 ± 0.17
Latitude 42.9577 ± 0.0072
Longitude 13.1107 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92091731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 491
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.49103
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:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 92091731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-01 03:52:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-07-01T03:46:04.33 0.6 undecidable manual S 83 28.5492 50 0.74 41
IV.MMUR.HNZ. 2021-07-01T03:46:01.27 0.6 undecidable manual P 350 54.501 50 -1.99 19
IV.CSP1.EHZ. 2021-07-01T03:46:00.25 0.6 undecidable manual S 27 16.7721 122 0.1 50
IV.MMO1.EHZ. 2021-07-01T03:46:00.48 0.6 undecidable manual S 110 18.6702 119 -0.26 48
IV.MML1.EHE. 2021-07-01T03:46:00.92 0.6 undecidable manual S 327 20.6682 116 -0.42 47
IV.CESI.HHZ. 2021-07-01T03:46:00.57 0.6 undecidable manual S 287 17.5713 120 0.18 49
IV.NRCA.HHZ. 2021-07-01T03:45:59.13 0.6 undecidable manual S 179 13.7751 127 -0.17 50
IV.MF5.EHZ. 2021-07-01T03:45:59.57 1.0 negative manual P 83 28.5492 50 0.31 24
IV.GUMA.HHE. 2021-07-01T03:45:58.04 0.1 undecidable manual P 57 21.6672 115 -0.09 100
IV.FDMO.HHZ. 2021-07-01T03:45:58.27 0.6 undecidable manual S 348 8.9799 139 0.2 50
IT.MTCL.HGZ. 2021-07-01T03:45:58.45 0.6 undecidable manual S 294 9.879 136 0.16 50
IV.CSP1.EHZ. 2021-07-01T03:45:57.48 0.6 undecidable manual P 27 16.7721 122 0.21 49
IV.MMO1.EHZ. 2021-07-01T03:45:57.50 0.1 undecidable manual P 110 18.6702 119 -0.12 100
IV.MML1.EHE. 2021-07-01T03:45:57.75 0.1 undecidable manual P 327 20.6682 116 -0.21 97
IV.CESI.HHZ. 2021-07-01T03:45:57.52 0.1 undecidable manual P 287 17.5713 120 0.11 100
IV.NRCA.HHZ. 2021-07-01T03:45:56.78 1.0 undecidable manual P 179 13.7751 127 0 26
IV.FDMO.HHZ. 2021-07-01T03:45:56.25 1.0 undecidable manual P 348 8.9799 139 0.18 25
IT.MTCL.HGZ. 2021-07-01T03:45:56.44 0.1 undecidable manual P 294 9.879 136 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.00006225 0.6 AML other m 2021-07-01T03:45:58.74
IV.FDMO.HHE. ML:0.8 0.00009345000000000001 0.16 AML other m 2021-07-01T03:45:58.38
IV.NRCA.HHE. ML:0.9 0.00007515 0.7 AML other m 2021-07-01T03:45:59.65
IV.NRCA.HHN. ML:0.9 0.0000766 0.62 AML other m 2021-07-01T03:46:00.26
IV.CESI.HHE. ML:0.9 0.00005929999999999999 0.62 AML other m 2021-07-01T03:46:00.95
IV.CESI.HHN. ML:0.9 0.00006594999999999999 0.3 AML other m 2021-07-01T03:46:00.80
IV.NRCA.HNE. ML:1.1 0.000124814245 1.3088 AML other m 2021-07-01T03:45:59.23
IV.CSP1.EHE. ML:0.9 0.000075147335 0.8416 AML other m 2021-07-01T03:46:00.83
IV.CSP1.EHN. ML:1.0 0.00008066638500000001 1.28 AML other m 2021-07-01T03:46:00.37
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