Earthquake with magnitude of ML 1.3 on date 08-08-2023 and time 23:00:25 (UTC) in region 2 km W Monte Cavallo (MC)

A magnitude ML 1.3 earthquake occured in region: 2 km W Monte Cavallo (MC), on

  • 08-08-2023 23:00:25 (UTC)
  • 09-08-2023 01:00:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9990, 12.9730 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 8 1458 1603
Serravalle di Chienti MC 8 1070 2673
Fiordimonte MC 11 202 2875
Muccia MC 11 915 3790
Pievebovigliana MC 12 866 4656
Visso MC 12 1107 5763
Sellano PG 13 1079 6842
Preci PG 14 724 7566
Ussita MC 15 444 8010
Fiastra MC 16 559 8569
Sefro MC 17 422 8991
Acquacanina MC 17 121 9112
Camerino MC 17 6974 16086
Castelsantangelo sul Nera MC 19 281 16367
Valtopina PG 19 1398 17765
Nocera Umbra PG 19 5839 23604

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 inhabitants)
96 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 2023-08-08
23:00:25
42.9992 12.9727 12 2023-08-08
23:15:15
Sala Sismica INGV-Roma 119954331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-08 23:00:25 ± 0.1
Latitude 42.9992 ± 0.0063
Longitude 12.9727 ± 0.0061
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 119954331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 554
Semi-minor axis of confidence ellipse (meter) 426
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 119954331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-08 23:15:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-08-08T23:00:47.56 3.0 undecidable manual S -0.21 0
IV.ATCC.EHZ. 2023-08-08T23:00:37.35 0.3 undecidable manual S 308 33.9438 92 0.56 64
IV.SNTG.HHZ. 2023-08-08T23:00:35.40 0.3 undecidable manual S 355 28.4493 93 0.06 72
IV.CING.HHZ. 2023-08-08T23:00:33.71 3.0 positive manual P 0.09 0
IV.CSP1.EHZ. 2023-08-08T23:00:33.72 0.3 undecidable manual S 61 21.4674 95 0.26 70
IV.NRCA.HHZ. 2023-08-08T23:00:33.38 0.6 undecidable manual S 148 21.6672 95 -0.13 48
IV.GUMA.HHZ. 2023-08-08T23:00:31.62 3.0 negative manual Pg 0.57 0
IV.MMO1.EHZ. 2023-08-08T23:00:31.18 3.0 undecidable manual Pg -0.1 0
IV.ATCC.EHZ. 2023-08-08T23:00:31.36 0.1 undecidable manual P 308 33.9438 92 -0.56 84
IV.MML1.HNE. 2023-08-08T23:00:31.00 0.6 undecidable manual S 360 12.6762 113 -0.17 48
IV.FEMA.HNZ. 2023-08-08T23:00:30.17 0.6 undecidable manual S 123 7.4814 137 0.14 48
IV.SNTG.HHZ. 2023-08-08T23:00:30.88 0.3 undecidable manual P 355 28.4493 93 -0.2 70
IV.CSP1.EHZ. 2023-08-08T23:00:30.01 0.1 undecidable manual P 61 21.4674 95 0.01 98
IV.FDMO.HHZ. 2023-08-08T23:00:30.41 0.3 undecidable manual S 66 10.1787 124 -0.17 73
IV.NRCA.HHZ. 2023-08-08T23:00:29.97 0.1 undecidable manual P 148 21.6672 95 -0.06 97
IV.CESI.HHZ. 2023-08-08T23:00:29.70 0.6 undecidable manual S 277 5.5944 147 -0.02 50
IT.MTCL.HGZ. 2023-08-08T23:00:29.13 0.3 undecidable manual S 105 2.1978 166 -0.23 73
IV.FDMO.HHZ. 2023-08-08T23:00:28.33 0.1 undecidable manual P 66 10.1787 124 -0.01 100
IV.MML1.HNE. 2023-08-08T23:00:28.64 0.1 undecidable manual P 360 12.6762 113 -0.03 99
IV.FEMA.HNZ. 2023-08-08T23:00:28.21 0.1 undecidable manual P 123 7.4814 137 0.19 96
IT.MTCL.HGZ. 2023-08-08T23:00:27.69 0.1 undecidable manual P 105 2.1978 166 0.05 100
IV.CESI.HHZ. 2023-08-08T23:00:27.99 0.1 positive manual P 277 5.5944 147 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.5 0.00046912215000000004 0.0768 AML other m 2023-08-08T23:00:29.76
IV.CESI.HHN. ML:1.5 0.00048939175 0.0768 AML other m 2023-08-08T23:00:29.97
IV.FDMO.HHE. ML:1.3 0.00021200000000000003 0.18 AML other m 2023-08-08T23:00:30.53
IV.FDMO.HHN. ML:1.0 0.00011408930999999999 0.1024 AML other m 2023-08-08T23:00:30.55
IV.NRCA.HHN. ML:1.6 0.000279 0.14 AML other m 2023-08-08T23:00:33.55
IV.CSP1.EHN. ML:1.0 0.000069342605 0.1024 AML other m 2023-08-08T23:00:33.71
IV.CSP1.EHE. ML:1.2 0.00010028177 0.2048 AML other m 2023-08-08T23:00:34.24
IV.NRCA.HHE. ML:1.2 0.0001171695 0.1024 AML other m 2023-08-08T23:00:33.75
IV.SNTG.HHE. ML:1.0 0.00005666346 0.1152 AML other m 2023-08-08T23:00:35.72
IV.SNTG.HHN. ML:1.0 0.0000528 0.12 AML other m 2023-08-08T23:00:35.73
IV.CESI.HNE. ML:1.5 0.0004327967 0.0896 AML other m 2023-08-08T23:00:29.80
IV.CESI.HNN. ML:1.5 0.0004579976 0.0896 AML other m 2023-08-08T23:00:29.93
IV.NRCA.HNE. ML:1.3 0.0001207805 0.1024 AML other m 2023-08-08T23:00:34.27
IV.SNTG.HNE. ML:1.4 0.00012263539 1.0752 AML other m 2023-08-08T23:00:44.03
IV.SNTG.HNN. ML:1.3 0.00010802919999999999 1.4464 AML other m 2023-08-08T23:00:39.92
IV.ATCC.HNE. ML:1.5 0.00014060681 0.448 AML other m 2023-08-08T23:00:38.15
IV.ATCC.EHE. ML:0.8 0.000023770510000000003 0.1408 AML other m 2023-08-08T23:00:37.47
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