Earthquake with magnitude of ML 1.1 on date 30-08-2020 and time 00:58:38 (UTC) in region 6 km S Monte Cavallo (MC)

A magnitude ML 1.1 earthquake occured in region: 6 km S Monte Cavallo (MC), on

  • 30-08-2020 00:58:38 (UTC)
  • 30-08-2020 02:58:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9440, 13.0060 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 6 145 145
Visso MC 7 1107 1252
Preci PG 8 724 1976
Sellano PG 9 1079 3055
Ussita MC 11 444 3499
Pieve Torina MC 12 1458 4957
Fiordimonte MC 13 202 5159
Castelsantangelo sul Nera MC 13 281 5440
Pievebovigliana MC 15 866 6306
Serravalle di Chienti MC 15 1070 7376
Cerreto di Spoleto PG 16 1075 8451
Muccia MC 16 915 9366
Fiastra MC 16 559 9925
Acquacanina MC 17 121 10046
Norcia PG 18 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)
65 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
86 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 1.1 2020-08-30
00:58:38
42.9437 13.0063 12 2020-08-30
01:07:31
Sala Sismica INGV-Roma 82452151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-30 00:58:38 ± 0.04
Latitude 42.9437 ± 0.0027
Longitude 13.0063 ± 0.0037
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82452151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 277
Semi-minor axis of confidence ellipse (meter) 275
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.7
Num. used stations 10
Type of magnitude ML
Reference to an origin 82452151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-30 01:07:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2020-08-30T01:00:08.93 3.0 positive manual Pn -0.82 0
IV.SGG.HHZ. 2020-08-30T00:59:53.95 3.0 undecidable manual Sg 8.32 0
XK.ALB1.HHZ. 2020-08-30T00:59:53.18 3.0 undecidable manual Pg 9.16 0
IV.CRJA.HHZ. 2020-08-30T00:59:47.50 3.0 positive manual Pn -5.61 0
ST.RONC.EHZ. 2020-08-30T00:59:31.91 3.0 undecidable manual Sg 6.22 0
ST.VARA.EHZ. 2020-08-30T00:59:16.71 3.0 undecidable manual Sn -2.99 0
IV.MBAL.EHZ. 2020-08-30T00:59:10.68 3.0 undecidable manual Sn -7.63 0
IV.PLMA.HHZ. 2020-08-30T00:59:08.58 3.0 undecidable manual Pg 13.21 0
IV.RONT.HHZ. 2020-08-30T00:59:02.45 3.0 undecidable manual Sn 1.43 0
IV.MBAL.EHZ. 2020-08-30T00:58:57.08 3.0 negative manual Pg 6.9 0
CR.ZAG.BHZ. 2020-08-30T00:58:56.24 3.0 undecidable manual Pg 1.81 0
IV.ASSB.HHZ. 2020-08-30T00:58:48.88 0.6 undecidable manual S 291 30.2475 92 -0.09 63
IV.MMO1.EHZ. 2020-08-30T00:58:47.88 0.6 undecidable manual S 101 26.4513 93 -0.09 63
IV.CSP1.EHZ. 2020-08-30T00:58:47.10 0.6 undecidable manual S 44 22.9548 94 0.06 64
IV.MML1.EHE. 2020-08-30T00:58:45.84 0.6 undecidable manual S 352 19.0698 97 -0.14 63
IV.FDMO.HHZ. 2020-08-30T00:58:44.09 0.6 undecidable manual S 33 12.1767 115 -0.13 64
IV.ASSB.HHZ. 2020-08-30T00:58:44.53 0.3 undecidable manual P 291 30.2475 92 0.01 96
IV.NRCA.HHZ. 2020-08-30T00:58:44.71 0.6 undecidable manual S 144 15.0738 105 -0.22 62
IV.MMO1.EHZ. 2020-08-30T00:58:44.10 0.3 undecidable manual P 101 26.4513 93 0.16 93
IV.CSP1.EHZ. 2020-08-30T00:58:43.40 0.3 undecidable manual P 44 22.9548 94 0 97
IV.CESI.HHZ. 2020-08-30T00:58:43.87 0.6 undecidable manual S 309 10.6782 122 0 66
IV.MML1.EHE. 2020-08-30T00:58:42.82 0.3 undecidable manual P 352 19.0698 97 0.03 97
IT.MTCL.HGN. 2020-08-30T00:58:42.58 0.6 undecidable manual S 354 5.5944 147 -0.32 62
IV.FEMA.HNN. 2020-08-30T00:58:42.75 0.6 undecidable manual S 60 4.0959 155 0.05 66
IV.NRCA.HHZ. 2020-08-30T00:58:42.15 0.3 undecidable manual P 144 15.0738 105 -0.04 97
IV.CESI.HHZ. 2020-08-30T00:58:41.68 0.3 undecidable manual P 309 10.6782 122 0.11 97
IV.FDMO.HHZ. 2020-08-30T00:58:41.85 0.3 undecidable manual P 33 12.1767 115 0.07 97
IT.MTCL.HGN. 2020-08-30T00:58:41.02 0.3 undecidable manual P 354 5.5944 147 0.01 100
IV.FEMA.HNN. 2020-08-30T00:58:41.10 0.3 undecidable manual P 60 4.0959 155 0.2 96
IV.RONT.HHZ. 2020-08-30T00:58:37.63 3.0 positive manual Pn -2.84 0
IV.MC2.EHZ. 2020-08-30T00:58:32.90 0.3 undecidable manual P 15.2736 -9.32 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.2 0.0001541746 0.1 AML other m 2020-08-30T00:58:44.13
IV.CESI.HHE. ML:0.8 0.00006642890500000001 0.1 AML other m 2020-08-30T00:58:44.07
IV.FDMO.HHN. ML:0.8 0.00007195588 0.12 AML other m 2020-08-30T00:58:44.23
IV.FDMO.HHE. ML:0.8 0.00006255859 0.16 AML other m 2020-08-30T00:58:44.18
IV.NRCA.HHN. ML:1.0 0.00009764487 0.1 AML other m 2020-08-30T00:58:44.77
IV.NRCA.HHE. ML:0.8 0.000049408025 0.1 AML other m 2020-08-30T00:58:45.83
CR.ZAG.BHN. ML:3.2 0.00008463899999999999 0.12 AML other m 2020-08-30T00:59:01.78
IV.MBAL.HNN. ML:3.2 0.00014705194999999998 0.76 AML other m 2020-08-30T00:59:10.71
IV.MBAL.EHE. ML:2.6 0.00002940082 0.06 AML other m 2020-08-30T00:59:11.96
IV.MBAL.EHN. ML:2.6 0.000032229486 0.06 AML other m 2020-08-30T00:59:12.38
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