Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 23-04-2020 and time 23:51:26 (UTC) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 23-04-2020 23:51:26 (UTC)
  • 24-04-2020 01:51:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9650, 13.0370 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Ussita MC 9 444 1696
Pieve Torina MC 9 1458 3154
Fiordimonte MC 9 202 3356
Preci PG 10 724 4080
Pievebovigliana MC 12 866 4946
Sellano PG 12 1079 6025
Castelsantangelo sul Nera MC 12 281 6306
Fiastra MC 13 559 6865
Muccia MC 13 915 7780
Acquacanina MC 13 121 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 16 142 9113
Cerreto di Spoleto PG 19 1075 10188
Camerino MC 19 6974 17162
Norcia PG 20 4957 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 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)
82 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
Reviewed
Rev100 		ML 0.7 2020-04-23
23:51:26		 42.9652 13.0373 13 2020-04-24
00:02:42		 Sala Sismica INGV-Roma 78517541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-23 23:51:26 ± 0.07
Latitude 42.9652 ± 0.0063
Longitude 13.0373 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78517541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 173
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22213
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 78517541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-24 00:02:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2020-04-23T23:51:55.97 3.0 undecidable manual Sg 4.56 0
IV.CPGN.EHZ. 2020-04-23T23:51:39.07 3.0 undecidable manual P -0.04 0
IV.MMO1.EHZ. 2020-04-23T23:51:35.19 0.6 undecidable manual S 107 24.6531 97 -0.17 47
IV.CSP1.EHZ. 2020-04-23T23:51:34.15 0.6 undecidable manual S 44 19.5693 102 0.13 49
IV.MC2.EHN. 2020-04-23T23:51:32.64 0.3 undecidable manual S 116 13.6752 116 0.1 74
IV.CESI.HHZ. 2020-04-23T23:51:32.02 0.6 undecidable manual S 292 11.6772 123 -0.03 50
IV.FDMO.HHZ. 2020-04-23T23:51:31.37 0.3 undecidable manual S 27 8.88 134 -0.12 75
IV.MMO1.EHZ. 2020-04-23T23:51:31.41 0.1 undecidable manual P 107 24.6531 97 -0.13 95
IV.CSP1.EHZ. 2020-04-23T23:51:30.72 0.3 undecidable manual P 44 19.5693 102 -0.04 73
IV.FEMA.HNE. 2020-04-23T23:51:30.53 0.3 undecidable manual S 109 1.0989 174 -0.02 76
IV.MC2.EHN. 2020-04-23T23:51:30.22 0.6 undecidable manual P 116 13.6752 116 0.32 47
IV.FDMO.HHZ. 2020-04-23T23:51:29.36 0.1 undecidable manual P 27 8.88 134 0.06 100
IV.CESI.HHZ. 2020-04-23T23:51:29.68 0.1 positive manual P 292 11.6772 123 0.05 100
IT.MTCL.HGE. 2020-04-23T23:51:28.74 0.3 undecidable manual P 316 4.3956 155 -0.15 74
IV.FEMA.HNE. 2020-04-23T23:51:28.76 0.3 undecidable manual P 109 1.0989 174 0 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.000027590925000000002 0.1536 AML other m 2020-04-23T23:51:31.42
IV.FDMO.HHN. ML:0.5 0.000036925945 0.1792 AML other m 2020-04-23T23:51:31.40
IV.CESI.HNE. ML:1.0 0.00008952444499999999 0.4736 AML other m 2020-04-23T23:51:32.33
IV.CESI.HHE. ML:0.6 0.000046602229999999994 0.1792 AML other m 2020-04-23T23:51:32.06
IV.CESI.HHN. ML:0.8 0.00006103634500000001 0.1152 AML other m 2020-04-23T23:51:32.24
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