Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 30-10-2021 and time 18:05:08 (Italy) in region 3 km NE Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 3 km NE Monte Cavallo (MC), on

  • 30-10-2021 16:05:08 (UTC)
  • 30-10-2021 18:05:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0140, 13.0180 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Monte Cavallo MC 3 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 8 1070 4656
Visso MC 11 1107 5763
Fiastra MC 12 559 6322
Ussita MC 13 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sellano PG 16 1079 15664
Sefro MC 16 422 16086
Bolognola MC 17 142 16228
Castelsantangelo sul Nera MC 17 281 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 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
Bulletin
Rev1000 		ML 0.7 2021-10-30
16:05:08		 43.0142 13.0177 10 2022-03-30
13:04:25		 Bollettino Sismico Italiano INGV 99273711
Reviewed
Rev100 		ML 0.7 2021-10-30
16:05:07		 42.9952 13.0138 14 2021-10-30
16:14:20		 Sala Sismica INGV-Roma 97093631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-30 16:05:08 ± 0.04
Latitude 43.0142 ± 0.0009
Longitude 13.0177 ± 0.0012
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99273711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 108
Semi-minor axis of confidence ellipse (meter) 36
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 110.0
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 28
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16188
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 99273711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-03 08:15:05

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 97093631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-30 16:14:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISPIC.EHZ. 2021-10-30T16:07:02.03 3.0 undecidable manual Pg 21.15 0
IV.PTRP.HHZ. 2021-10-30T16:06:54.37 3.0 undecidable manual Sg 14.46 0
IV.CROCE.HHZ. 2021-10-30T16:06:51.69 3.0 positive manual Pg 12.33 0
IV.MBAL.EHZ. 2021-10-30T16:06:49.07 3.0 undecidable manual Sg 14.5 0
IV.VOBA.EHZ. 2021-10-30T16:06:44.13 3.0 undecidable manual Sn 7.41 0
OX.AGOR.HHZ. 2021-10-30T16:06:41.56 3.0 undecidable manual Sn 0.85 0
IX.SCL3.EHZ.02 2021-10-30T16:06:31.45 3.0 undecidable manual Sn 1.4 0
IV.MTMR.EHZ. 2021-10-30T16:06:30.06 3.0 undecidable manual Sg 10.07 0
IV.VBKN.HHZ. 2021-10-30T16:06:14.07 3.0 undecidable manual Sn -2.36 0
GU.GSCL.HHZ. 2021-10-30T16:05:53.77 3.0 positive manual Pg 9.45 0
IV.MTMR.EHZ. 2021-10-30T16:05:48.06 3.0 undecidable manual Pn -0.42 0
IV.CPOZ.HHZ. 2021-10-30T16:05:43.45 3.0 negative manual Pn -1.85 0
IV.RNI2.HHZ. 2021-10-30T16:05:36.00 3.0 undecidable manual Pg 1.37 0
IV.NARO.HHZ. 2021-10-30T16:05:33.41 3.0 undecidable manual S -0.12 0
IV.PTQR.HHZ. 2021-10-30T16:05:28.86 3.0 undecidable manual P 1.56 0
IV.PE3.EHZ. 2021-10-30T16:05:23.43 3.0 positive manual P -0.87 0
IV.MC2.EHZ. 2021-10-30T16:05:15.85 0.6 undecidable manual S 129 17.9709 119 0.03 49
IV.CSP1.EHZ. 2021-10-30T16:05:15.59 0.6 undecidable manual S 60 17.4714 120 -0.07 49
IV.MML1.EHZ. 2021-10-30T16:05:13.99 0.6 undecidable manual S 341 11.6772 131 -0.01 50
IV.CESI.HHZ. 2021-10-30T16:05:13.37 0.6 undecidable manual S 264 9.1797 137 -0.03 50
IV.CSP1.EHZ. 2021-10-30T16:05:12.72 0.1 undecidable manual P 60 17.4714 120 0.01 98
IV.FDMO.HHZ. 2021-10-30T16:05:12.74 0.6 undecidable manual S 66 6.1938 148 -0.01 50
IV.MC2.EHZ. 2021-10-30T16:05:12.74 0.3 undecidable manual P 129 17.9709 119 -0.06 73
IV.FEMA.HNN. 2021-10-30T16:05:12.78 0.3 undecidable manual S 156 6.2937 148 0 75
IV.FEMA.HNN. 2021-10-30T16:05:11.12 0.6 undecidable manual P 156 6.2937 148 0.07 49
IV.CESI.HHZ. 2021-10-30T16:05:11.37 0.1 undecidable manual P 264 9.1797 137 -0.03 99
IV.FDMO.HHZ. 2021-10-30T16:05:11.05 0.1 undecidable manual P 66 6.1938 148 0.02 100
IV.MML1.EHZ. 2021-10-30T16:05:11.79 0.1 undecidable manual P 341 11.6772 131 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.2 0.00002715 0.2 AML other m 2021-10-30T16:05:12.93
IV.FDMO.HHE. ML:0.2 0.0000227 0.16 AML other m 2021-10-30T16:05:13.10
IV.CESI.HNE. ML:0.7 0.0000708656 0.6016 AML other m 2021-10-30T16:05:13.20
IV.CESI.HHN. ML:0.0 0.0000168281 0.0768 AML other m 2021-10-30T16:05:13.57
IV.CESI.HHE. ML:0.0 0.0000135709335 0.0896 AML other m 2021-10-30T16:05:13.70
IV.GAVE.HNN. ML:1.7 0.00017301755 1.1008 AML other m 2021-10-30T16:05:14.55
IV.MML1.EHN. ML:0.4 0.00003131838500000001 0.1152 AML other m 2021-10-30T16:05:14.32
IV.MML1.EHE. ML:0.3 0.0000241 0.14 AML other m 2021-10-30T16:05:14.40
IV.CESI.HNN. ML:0.8 0.0000946484 0.448 AML other m 2021-10-30T16:05:14.97
IV.GAVE.HNE. ML:1.5 0.000126768535 0.5248 AML other m 2021-10-30T16:05:15.61
IV.MML1.HNE. ML:0.9 0.00009228800000000001 0.5632 AML other m 2021-10-30T16:05:15.64
IV.CSP1.EHN. ML:0.6 0.000034777185 1.8336 AML other m 2021-10-30T16:05:15.92
IV.CSP1.EHE. ML:0.5 0.00002367927 0.2816 AML other m 2021-10-30T16:05:16.27
IV.MML1.HNN. ML:1.0 0.00011427020000000002 1.0624 AML other m 2021-10-30T16:05:17.17
IV.GAVE.EHN. ML:1.3 0.00007495 0.1 AML other m 2021-10-30T16:05:23.15
IV.GAVE.EHE. ML:1.2 0.00005788254500000001 0.1024 AML other m 2021-10-30T16:05:23.16
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