Earthquake with magnitude of ML 1.2 on date 23-07-2019 and time 12:21:00 (Italy) in region 4 km SW Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Monte Cavallo (MC), on

  • 23-07-2019 10:21:00 (UTC)
  • 23-07-2019 12:21:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9630, 12.9830 at 11 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 9 1107 1252
Sellano PG 9 1079 2331
Preci PG 10 724 3055
Pieve Torina MC 11 1458 4513
Fiordimonte MC 12 202 4715
Serravalle di Chienti MC 13 1070 5785
Ussita MC 13 444 6229
Pievebovigliana MC 14 866 7095
Muccia MC 14 915 8010
Castelsantangelo sul Nera MC 16 281 8291
Fiastra MC 16 559 8850
Cerreto di Spoleto PG 17 1075 9925
Acquacanina MC 17 121 10046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
94 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
Reviewed
Rev100
ML 1.2 2019-07-23
10:21:00
42.9628 12.983 11 2019-07-23
10:31:13
Sala Sismica INGV-Roma 70821891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-23 10:21:00 ± 0.05
Latitude 42.9628 ± 0.0027
Longitude 12.9830 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70821891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 324
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53600
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 70821891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-23 10:31:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-07-23T10:21:11.18 0.3 undecidable manual P 357 59.496 50 0.01 68
IV.GAVE.EHZ. 2019-07-23T10:21:11.28 0.1 undecidable manual S 194 30.8469 50 -0.01 96
IV.ASSB.HHZ. 2019-07-23T10:21:10.28 0.1 undecidable manual S 289 27.75 50 -0.17 93
IV.PF6.EHZ. 2019-07-23T10:21:09.86 0.3 undecidable manual S 41 25.8519 50 -0.1 71
IV.MML1.HNZ. 2019-07-23T10:21:07.38 0.1 undecidable manual S 357 16.7721 50 -0.13 96
IV.NRCA.HHZ. 2019-07-23T10:21:07.67 0.1 undecidable manual S 143 17.871 50 -0.15 96
IV.MC2.EHZ. 2019-07-23T10:21:07.99 0.3 undecidable manual S 109 17.6712 50 0.22 71
IV.ASSB.HHZ. 2019-07-23T10:21:06.64 0.3 undecidable manual P 289 27.75 50 0.36 67
IV.GAVE.EHZ. 2019-07-23T10:21:06.60 0.3 undecidable manual P 194 30.8469 50 -0.16 70
IV.FDMO.HHZ. 2019-07-23T10:21:06.07 0.1 undecidable manual S 46 11.7771 133 -0.1 98
IV.PF6.EHZ. 2019-07-23T10:21:06.12 0.1 undecidable manual P 41 25.8519 50 0.13 95
IV.MMO1.EHZ. 2019-07-23T10:21:06.64 3.0 undecidable manual S 0
IV.CESI.HHZ. 2019-07-23T10:21:05.22 0.1 undecidable manual S 306 7.881 144 -0.06 99
IV.MMO1.EHZ. 2019-07-23T10:21:05.36 3.0 undecidable manual P 0
IV.MC2.EHZ. 2019-07-23T10:21:04.40 0.3 undecidable manual P 109 17.6712 50 -0.33 69
IT.MTCL.HGZ. 2019-07-23T10:21:04.24 0.1 undecidable manual S 21 3.6963 162 -0.37 93
IV.FEMA.HNZ. 2019-07-23T10:21:04.81 0.1 undecidable manual S 91 5.3946 154 -0.03 100
IV.MML1.HNZ. 2019-07-23T10:21:04.76 0.1 undecidable manual P 357 16.7721 50 0.18 95
IV.NRCA.HHZ. 2019-07-23T10:21:04.79 0.1 undecidable manual P 143 17.871 50 0.03 98
IV.CESI.HHZ. 2019-07-23T10:21:03.45 0.1 undecidable manual P 306 7.881 144 0.16 97
IV.FDMO.HHZ. 2019-07-23T10:21:03.91 0.1 undecidable manual P 46 11.7771 133 0.1 98
IV.FEMA.HNZ. 2019-07-23T10:21:03.41 0.1 undecidable manual P 91 5.3946 154 0.37 93
IT.MTCL.HGZ. 2019-07-23T10:21:02.98 0.1 undecidable manual P 21 3.6963 162 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.9 0.00008455 0.12 AML other m 2019-07-23T10:21:06.23
IV.FDMO.HHE. ML:0.8 0.00007384999999999999 0.18 AML other m 2019-07-23T10:21:06.19
IV.NRCA.HHN. ML:1.5 0.0002345 0.1 AML other m 2019-07-23T10:21:07.91
IV.NRCA.HHE. ML:1.1 0.00011149999999999999 0.08 AML other m 2019-07-23T10:21:08.13
IV.CESI.HHE. ML:1.1 0.00016875845000000002 0.1216 AML other m 2019-07-23T10:21:05.41
IV.CESI.HHN. ML:1.4 0.00033451605 0.1024 AML other m 2019-07-23T10:21:05.42
IV.CESI.HNE. ML:1.0 0.00013407645000000003 0.1344 AML other m 2019-07-23T10:21:05.48
IV.CESI.HNN. ML:1.4 0.000319763945 0.1088 AML other m 2019-07-23T10:21:05.48
IV.NRCA.HNE. ML:1.2 0.000124373055 2.4576 AML other m 2019-07-23T10:21:08.63
IV.NRCA.HNN. ML:1.4 0.00021889175 0.1344 AML other m 2019-07-23T10:21:07.91
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