Earthquake with magnitude of ML 1.3 on date 17-08-2021 and time 02:11:01 (UTC) in region 4 km E Monte Cavallo (MC)

A magnitude ML 1.3 earthquake occured in region: 4 km E Monte Cavallo (MC), on

  • 17-08-2021 02:11:01 (UTC)
  • 17-08-2021 04:11:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9840, 13.0540 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
Monte Cavallo MC 4 145 145
Visso MC 6 1107 1252
Fiordimonte MC 7 202 1454
Pieve Torina MC 7 1458 2912
Ussita MC 8 444 3356
Pievebovigliana MC 9 866 4222
Fiastra MC 10 559 4781
Muccia MC 11 915 5696
Acquacanina MC 11 121 5817
Preci PG 12 724 6541
Castelsantangelo sul Nera MC 13 281 6822
Serravalle di Chienti MC 13 1070 7892
Bolognola MC 14 142 8034
Sellano PG 15 1079 9113
Camerino MC 17 6974 16087

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 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 1.3 2021-08-17
02:11:01
42.9837 13.0545 10 2021-08-17
02:16:50
Sala Sismica INGV-Roma 94278731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-17 02:11:01 ± 0.08
Latitude 42.9837 ± 0.0027
Longitude 13.0545 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94278731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 345
Semi-minor axis of confidence ellipse (meter) 287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21943
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 94278731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-17 02:16:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-08-17T02:11:19.91 3.0 undecidable manual S 0.07 0
IV.GUMA.HNE. 2021-08-17T02:11:10.34 0.3 undecidable manual S 69 24.3534 50 0.19 70
IV.SMA1.EHZ. 2021-08-17T02:11:09.61 3.0 negative manual P 0.27 0
IV.ATCC.EHZ. 2021-08-17T02:11:08.55 3.0 undecidable manual P -0.01 0
IV.MML1.EHZ. 2021-08-17T02:11:07.41 0.1 undecidable manual S 335 15.873 123 -0.17 95
IV.MF5.EHZ. 2021-08-17T02:11:07.76 3.0 undecidable manual P 0.48 0
IV.NRCA.HHZ. 2021-08-17T02:11:07.70 0.1 undecidable manual S 164 17.3715 121 -0.31 92
IV.MC2.EHZ. 2021-08-17T02:11:07.06 0.3 undecidable manual S 126 13.5753 127 0.15 72
IV.ASSB.HHZ. 2021-08-17T02:11:07.06 3.0 negative manual P -0.26 0
IV.CSP1.EHZ. 2021-08-17T02:11:07.80 0.3 undecidable manual S 45 17.0718 121 -0.14 72
IV.CESI.HHZ. 2021-08-17T02:11:06.73 0.1 undecidable manual S 281 12.3765 130 0.13 97
IV.GUMA.HNE. 2021-08-17T02:11:06.39 0.1 undecidable manual P 69 24.3534 50 0.11 95
IV.MMO1.EHZ. 2021-08-17T02:11:05.82 3.0 positive manual P -0.01 0
IV.FDMO.HHZ. 2021-08-17T02:11:05.21 0.1 undecidable manual S 24 6.4935 148 -0.01 100
IV.MC2.EHZ. 2021-08-17T02:11:04.42 0.1 undecidable manual P 126 13.5753 127 0 99
IV.CSP1.EHZ. 2021-08-17T02:11:04.87 0.3 undecidable manual P 45 17.0718 121 -0.14 72
IV.MML1.EHZ. 2021-08-17T02:11:04.64 0.1 undecidable manual P 335 15.873 123 -0.16 95
IV.FEMA.HNN. 2021-08-17T02:11:04.99 0.1 undecidable manual S 189 2.3976 167 0.31 95
IV.CESI.HHZ. 2021-08-17T02:11:04.24 0.1 negative manual P 281 12.3765 130 0.01 99
IV.NRCA.HHZ. 2021-08-17T02:11:04.79 0.1 positive manual P 164 17.3715 121 -0.26 93
IT.MTCL.HGZ. 2021-08-17T02:11:04.87 0.1 undecidable manual S 284 4.5954 156 -0.05 99
IV.FEMA.HNN. 2021-08-17T02:11:03.34 0.1 undecidable manual P 189 2.3976 167 0.21 97
IT.MTCL.HGZ. 2021-08-17T02:11:03.32 0.1 positive manual P 284 4.5954 156 0.05 99
IV.FDMO.HHZ. 2021-08-17T02:11:03.49 0.1 undecidable manual P 24 6.4935 148 0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.7 0.0007289999999999999 0.18 AML other m 2021-08-17T02:11:05.38
IV.FDMO.HHN. ML:1.3 0.00029243785 0.1792 AML other m 2021-08-17T02:11:05.44
IV.CESI.HHN. ML:1.1 0.00015038655000000002 0.2 AML other m 2021-08-17T02:11:06.84
IV.CESI.HHE. ML:0.8 0.000069419055 0.1808 AML other m 2021-08-17T02:11:07.21
IV.MML1.EHN. ML:1.1 0.000124 0.18 AML other m 2021-08-17T02:11:07.80
IV.NRCA.HHE. ML:1.6 0.0003375 0.14 AML other m 2021-08-17T02:11:07.84
IV.NRCA.HHN. ML:1.6 0.0003615 1.86 AML other m 2021-08-17T02:11:08.98
IV.MML1.EHE. ML:1.0 0.00010128839000000001 0.1408 AML other m 2021-08-17T02:11:08.16
IV.CESI.HNE. ML:1.0 0.000116952555 0.32 AML other m 2021-08-17T02:11:09.07
IV.CESI.HNN. ML:1.2 0.00015807797999999997 0.5312 AML other m 2021-08-17T02:11:06.84
IV.MML1.HNE. ML:1.2 0.00013653577 0.2896 AML other m 2021-08-17T02:11:08.16
IV.MML1.HNN. ML:1.2 0.00012860484999999998 0.1696 AML other m 2021-08-17T02:11:07.80
IV.NRCA.HNE. ML:1.6 0.0003006337 0.1216 AML other m 2021-08-17T02:11:07.78
IV.NRCA.HNN. ML:1.6 0.00036565485 0.12 AML other m 2021-08-17T02:11:07.92
IV.CSP1.EHE. ML:1.2 0.00014539819999999997 0.4 AML other m 2021-08-17T02:11:08.37
IV.CSP1.EHN. ML:1.2 0.00011956230999999997 0.1408 AML other m 2021-08-17T02:11:09.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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