Earthquake with magnitude of ML 0.9 on date 01-10-2021 and time 00:45:16 (UTC) in region 2 km NW Monte Cavallo (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Monte Cavallo (MC), on

  • 01-10-2021 00:45:16 (UTC)
  • 01-10-2021 02:45:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0130, 12.9870 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
Monte Cavallo MC 2 145 145
Pieve Torina MC 6 1458 1603
Serravalle di Chienti MC 7 1070 2673
Fiordimonte MC 9 202 2875
Muccia MC 9 915 3790
Pievebovigliana MC 10 866 4656
Visso MC 12 1107 5763
Fiastra MC 14 559 6322
Sellano PG 15 1079 7401
Ussita MC 15 444 7845
Sefro MC 15 422 8267
Camerino MC 15 6974 15241
Preci PG 15 724 15965
Acquacanina MC 16 121 16086
Pioraco MC 19 1134 17220
Castelsantangelo sul Nera MC 19 281 17501
Nocera Umbra PG 19 5839 23340
Valtopina PG 20 1398 24738
Bolognola MC 20 142 24880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
100 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 0.9 2021-10-01
00:45:16
43.0127 12.987 12 2021-10-01
00:58:03
Sala Sismica INGV-Roma 96082531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-01 00:45:16 ± 0.05
Latitude 43.0127 ± 0.0018
Longitude 12.9870 ± 0.0037
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 96082531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
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) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 96082531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-01 00:58:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-10-01T00:45:28.60 0.6 undecidable manual S 15 36.3414 91 0.08 48
IV.ATCC.EHZ. 2021-10-01T00:45:28.17 0.6 undecidable manual S 304 34.0437 91 0.28 46
IV.SNTG.HHZ. 2021-10-01T00:45:26.01 0.6 undecidable manual S 352 27.1506 92 -0.05 49
IV.ASSB.HHZ. 2021-10-01T00:45:25.83 0.6 undecidable manual S 277 26.8509 92 -0.15 48
IV.NRCA.HHZ. 2021-10-01T00:45:24.78 0.6 undecidable manual S 152 22.3554 93 -0.02 50
IV.CSP1.EHZ. 2021-10-01T00:45:24.12 0.6 undecidable manual S 63 19.7691 95 0.03 50
IV.EL6.EHZ. 2021-10-01T00:45:23.31 0.6 negative manual P 15 36.3414 91 -0.07 48
IV.ATCC.EHZ. 2021-10-01T00:45:22.95 1.0 positive manual P 304 34.0437 91 -0.07 24
IV.SNTG.HHZ. 2021-10-01T00:45:21.88 0.6 undecidable manual P 352 27.1506 92 -0.08 49
IV.FDMO.HHZ. 2021-10-01T00:45:21.29 0.6 undecidable manual S 72 8.5803 131 -0.01 50
IV.NRCA.HHZ. 2021-10-01T00:45:21.24 0.6 negative manual P 152 22.3554 93 0.01 50
IV.MML1.EHZ. 2021-10-01T00:45:21.75 0.6 undecidable manual S 354 11.2776 118 -0.15 49
IV.ASSB.HHZ. 2021-10-01T00:45:21.75 0.1 negative manual P 277 26.8509 92 -0.16 96
IV.CESI.HHZ. 2021-10-01T00:45:20.99 0.6 undecidable manual S 263 6.7932 140 0.03 51
IV.CSP1.EHZ. 2021-10-01T00:45:20.88 0.6 negative manual P 63 19.7691 95 0.06 49
IV.MML1.EHZ. 2021-10-01T00:45:19.53 1.0 undecidable manual P 354 11.2776 118 -0.03 25
IV.CESI.HHZ. 2021-10-01T00:45:19.15 0.1 negative manual P 263 6.7932 140 0.13 100
IV.FDMO.HHZ. 2021-10-01T00:45:19.33 0.6 positive manual P 72 8.5803 131 0.12 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.3 0.000261 0.3 AML other m 2021-10-01T00:45:21.15
IV.CESI.HHE. ML:1.5 0.0003975 0.28 AML other m 2021-10-01T00:45:21.03
IV.FDMO.HHN. ML:0.6 0.00004385 0.68 AML other m 2021-10-01T00:45:21.66
IV.MML1.EHE. ML:0.7 0.00006105 0.82 AML other m 2021-10-01T00:45:22.05
IV.MML1.EHN. ML:0.7 0.000056099999999999995 1.18 AML other m 2021-10-01T00:45:22.85
IV.FDMO.HHE. ML:0.5 0.00003765 0.6 AML other m 2021-10-01T00:45:22.79
IV.NRCA.HHE. ML:1.1 0.00007519999999999998 1.72 AML other m 2021-10-01T00:45:24.87
IV.NRCA.HHN. ML:1.2 0.00010465 0.1 AML other m 2021-10-01T00:45:24.86
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