Earthquake with magnitude of ML 1.0 on date 25-07-2021 and time 02:19:09 (Italy) in region 5 km SE Monte Cavallo (MC)

A magnitude ML 1.0 earthquake occured in region: 5 km SE Monte Cavallo (MC), on

  • 25-07-2021 00:19:09 (UTC)
  • 25-07-2021 02:19:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9600, 13.0350 at 12 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.

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 5 145 145
Visso MC 5 1107 1252
Ussita MC 9 444 1696
Preci PG 9 724 2420
Pieve Torina MC 10 1458 3878
Fiordimonte MC 10 202 4080
Sellano PG 12 1079 5159
Castelsantangelo sul Nera MC 12 281 5440
Pievebovigliana MC 12 866 6306
Fiastra MC 13 559 6865
Muccia MC 14 915 7780
Acquacanina MC 14 121 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 16 142 9113
Cerreto di Spoleto PG 18 1075 10188
Norcia PG 19 4957 15145
Camerino MC 20 6974 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
98 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
Bulletin
Rev1000
ML 1.0 2021-07-25
00:19:09
42.9598 13.0353 12 2021-12-29
11:12:14
Bollettino Sismico Italiano INGV 93262421
Reviewed
Rev100
ML 1.0 2021-07-25
00:19:09
42.9602 13.0338 12 2021-07-25
00:26:51
Sala Sismica INGV-Roma 93173591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-25 00:19:09 ± 0.05
Latitude 42.9598 ± 0.0027
Longitude 13.0353 ± 0.0037
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93262421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 298
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
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) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 93262421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-27 07:52:25

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 93173591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-25 00:26:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-07-25T00:19:20.32 0.3 undecidable manual S 287 31.9458 94 -0.07 71
IV.PF6.EHZ. 2021-07-25T00:19:18.08 0.3 undecidable manual S 33 23.5542 96 -0.1 72
IV.CSP1.EHZ. 2021-07-25T00:19:17.25 0.1 undecidable manual S 43 20.0688 99 0 97
IV.MC2.EHZ. 2021-07-25T00:19:15.76 0.1 undecidable manual S 113 13.5753 114 0.18 96
IV.NRCA.HNZ. 2021-07-25T00:19:15.69 0.3 undecidable manual S 155 15.3735 108 -0.35 68
IV.ASSB.HHZ. 2021-07-25T00:19:15.75 0.1 undecidable manual P 287 31.9458 94 0 95
IV.CESI.HHZ. 2021-07-25T00:19:15.15 0.1 undecidable manual S 295 11.6772 121 0.01 99
IV.PF6.EHZ. 2021-07-25T00:19:14.42 0.1 undecidable manual P 33 23.5542 96 -0.05 97
IV.FDMO.HHZ. 2021-07-25T00:19:14.50 0.1 undecidable manual S 26 9.4794 130 -0.16 97
IV.CSP1.EHZ. 2021-07-25T00:19:13.97 0.1 undecidable manual P 43 20.0688 99 0.03 96
IV.FEMA.HNZ. 2021-07-25T00:19:13.57 0.3 undecidable manual S 78 1.1988 173 -0.01 75
IT.MTCL.HGZ. 2021-07-25T00:19:13.63 0.3 undecidable manual S 322 4.7952 153 -0.23 71
IV.MC2.EHZ. 2021-07-25T00:19:13.08 0.1 undecidable manual P 113 13.5753 114 0.11 97
IV.NRCA.HNZ. 2021-07-25T00:19:13.18 0.1 undecidable manual P 155 15.3735 108 -0.06 97
IV.FDMO.HHZ. 2021-07-25T00:19:12.55 0.1 undecidable manual P 26 9.4794 130 0.11 97
IV.CESI.HHZ. 2021-07-25T00:19:12.86 0.1 undecidable manual P 295 11.6772 121 0.14 96
IT.MTCL.HGZ. 2021-07-25T00:19:12.01 0.1 undecidable manual P 322 4.7952 153 0.03 100
IV.FEMA.HNZ. 2021-07-25T00:19:11.98 0.1 undecidable manual P 78 1.1988 173 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNN. ML:1.3 0.00021685875 0.15 AML other m 2021-07-25T00:19:15.47
IV.CESI.HHE. ML:0.9 0.000089483745 0.14 AML other m 2021-07-25T00:19:15.47
IV.CESI.HHN. ML:1.3 0.000191 0.12 AML other m 2021-07-25T00:19:15.47
IV.CESI.HNE. ML:1.2 0.000146358305 0.75 AML other m 2021-07-25T00:19:17.58
IV.CSP1.EHN. ML:0.9 0.000057103075000000004 0.14 AML other m 2021-07-25T00:19:17.85
IV.CSP1.EHE. ML:0.9 0.000062212215 0.18 AML other m 2021-07-25T00:19:17.98
IV.ASSB.HHE. ML:0.8 0.00002765 0.16 AML other m 2021-07-25T00:19:20.62
IV.ASSB.HHN. ML:0.7 0.000020499999999999997 0.72 AML other m 2021-07-25T00:19:20.80
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download