Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 23-06-2020 and time 00:57:55 (UTC) in region 5 km S Monte Cavallo (MC)

A magnitude ML 0.6 earthquake occured in region: 5 km S Monte Cavallo (MC), on

  • 23-06-2020 00:57:55 (UTC)
  • 23-06-2020 02:57:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9490, 13.0050 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.

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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 7 1107 1252
Preci PG 8 724 1976
Sellano PG 9 1079 3055
Ussita MC 11 444 3499
Pieve Torina MC 11 1458 4957
Fiordimonte MC 12 202 5159
Castelsantangelo sul Nera MC 14 281 5440
Pievebovigliana MC 14 866 6306
Serravalle di Chienti MC 14 1070 7376
Muccia MC 15 915 8291
Fiastra MC 16 559 8850
Cerreto di Spoleto PG 16 1075 9925
Acquacanina MC 17 121 10046
Norcia PG 19 4957 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
53 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
100 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 0.6 2020-06-23
00:57:55		 42.9488 13.0053 11 2020-06-23
01:02:12		 Sala Sismica INGV-Roma 80418401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-23 00:57:55 ± 0.05
Latitude 42.9488 ± 0.0027
Longitude 13.0053 ± 0.0037
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 80418401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
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) 162
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30937
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 80418401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-23 01:02:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2020-06-23T00:58:23.07 3.0 undecidable manual S -0.04 0
IV.MNTT.EHZ. 2020-06-23T00:58:06.54 3.0 negative manual P 2.06 0
IV.CSP1.EHZ. 2020-06-23T00:58:03.90 0.6 undecidable manual S 46 22.6551 90 -0.01 49
IV.SNTG.HHZ. 2020-06-23T00:58:01.98 0.3 undecidable manual P 351 34.3434 90 -0.14 70
IV.NRCA.HHZ. 2020-06-23T00:58:01.98 0.3 undecidable manual S 145 15.5733 90 -0.04 74
IV.CESI.HHZ. 2020-06-23T00:58:00.60 0.1 undecidable manual S 307 10.2786 118 -0.05 100
IV.CSP1.EHZ. 2020-06-23T00:58:00.37 0.1 undecidable manual P 46 22.6551 90 0.05 98
IV.FDMO.HHZ. 2020-06-23T00:58:00.92 0.6 undecidable manual S 34 11.7771 109 -0.1 50
IV.NRCA.HHZ. 2020-06-23T00:57:59.24 0.1 undecidable manual P 145 15.5733 90 0.02 100
IV.CESI.HHZ. 2020-06-23T00:57:58.54 0.1 undecidable manual P 307 10.2786 118 0.1 99
IV.FDMO.HHZ. 2020-06-23T00:57:58.74 0.1 undecidable manual P 34 11.7771 109 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.5 0.00003685 0.1 AML other m 2020-06-23T00:58:00.65
IV.CESI.HHN. ML:0.5 0.00003845 0.3 AML other m 2020-06-23T00:58:00.67
IV.FDMO.HHN. ML:0.7 0.0000544 1.8 AML other m 2020-06-23T00:58:01.97
IV.FDMO.HHE. ML:0.7 0.000060950000000000004 0.12 AML other m 2020-06-23T00:58:01.06
IV.NRCA.HHN. ML:0.6 0.0000404 0.08 AML other m 2020-06-23T00:58:02.29
IV.NRCA.HHE. ML:0.6 0.0000351 1.28 AML other m 2020-06-23T00:58:02.12
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