Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 27-10-2019 and time 23:36:28 (UTC) in region 3 km NW Monte Cavallo (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Monte Cavallo (MC), on

  • 27-10-2019 23:36:28 (UTC)
  • 28-10-2019 00:36:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0140, 12.9860 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 145 145
Pieve Torina MC 6 1458 1603
Serravalle di Chienti MC 7 1070 2673
Fiordimonte MC 9 202 2875
Muccia MC 9 915 3790
Pievebovigliana MC 10 866 4656
Visso MC 12 1107 5763
Fiastra MC 14 559 6322
Ussita MC 15 444 6766
Sellano PG 15 1079 7845
Sefro MC 15 422 8267
Camerino MC 15 6974 15241
Acquacanina MC 16 121 15362
Preci PG 16 724 16086
Pioraco MC 18 1134 17220
Castelsantangelo sul Nera MC 19 281 17501
Nocera Umbra PG 19 5839 23340
Valtopina PG 19 1398 24738
Bolognola MC 20 142 24880
Fiuminata MC 20 1402 26282

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
100 Km S of Pesaro (94582 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
Bulletin
Rev1000 		ML 1.1 2019-10-27
23:36:28		 43.0143 12.9862 11 2020-02-28
16:42:23		 Bollettino Sismico Italiano INGV 76379561
Reviewed
Rev100 		ML 1.2 2019-10-27
23:36:28		 43.0132 12.9877 12 2019-10-27
23:41:41		 Sala Sismica INGV-Roma 73481711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-27 23:36:28 ± 0.06
Latitude 43.0143 ± 0.0036
Longitude 12.9862 ± 0.0037
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76379561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.48473
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 76379561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-09 18:20:04

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 73481711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-27 23:41:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-10-27T23:36:42.02 0.6 undecidable manual S 94 38.5281 90 1.19 31
IV.EL6.EHZ. 2019-10-27T23:36:40.36 0.6 undecidable manual S 15 36.1416 90 0.15 46
IV.ATCC.EHZ. 2019-10-27T23:36:39.82 0.6 undecidable manual S 304 33.8439 90 0.24 46
IV.MMO1.EHZ. 2019-10-27T23:36:38.59 0.3 undecidable manual S 115 30.4473 90 -0.09 71
IV.ARVD.HHZ. 2019-10-27T23:36:37.74 0.3 undecidable manual P 356 53.8017 90 -0.06 68
IV.MURB.HHZ. 2019-10-27T23:36:37.01 0.3 undecidable manual P 307 46.4202 90 0.34 65
IV.SNTG.HHZ. 2019-10-27T23:36:37.63 0.3 undecidable manual S 352 26.9508 90 -0.11 71
IV.ASSB.HHZ. 2019-10-27T23:36:37.52 0.3 undecidable manual S 277 26.751 90 -0.16 71
IV.NRCA.HHZ. 2019-10-27T23:36:36.36 0.1 undecidable manual S 153 22.5552 90 -0.22 94
IV.EL6.EHZ. 2019-10-27T23:36:35.00 0.1 undecidable manual P 15 36.1416 90 -0.09 94
IV.CSP1.EHZ. 2019-10-27T23:36:35.71 0.3 undecidable manual S 64 19.6692 90 -0.1 72
IV.MF5.EHZ. 2019-10-27T23:36:35.92 0.3 undecidable manual P 94 38.5281 90 0.47 64
IV.MMO1.EHZ. 2019-10-27T23:36:34.09 0.1 undecidable manual P 115 30.4473 90 -0.11 95
IV.ATCC.EHZ. 2019-10-27T23:36:34.72 0.3 undecidable manual P 304 33.8439 90 -0.01 72
IV.SNTG.HHZ. 2019-10-27T23:36:33.47 0.1 undecidable manual P 352 26.9508 90 -0.2 93
IV.ASSB.HHZ. 2019-10-27T23:36:33.50 0.1 undecidable manual P 277 26.751 90 -0.13 95
IV.MML1.HNE. 2019-10-27T23:36:33.57 0.6 undecidable manual S 354 11.0778 114 0.04 50
IV.CESI.HHZ. 2019-10-27T23:36:32.67 0.1 undecidable manual S 261 6.6933 138 0.08 99
IV.CSP1.EHZ. 2019-10-27T23:36:32.49 0.1 undecidable manual P 64 19.6692 90 -0.06 97
IV.FDMO.HHZ. 2019-10-27T23:36:32.76 0.1 undecidable manual S 73 8.5803 128 -0.2 95
IV.NRCA.HHZ. 2019-10-27T23:36:32.83 0.1 undecidable manual P 153 22.5552 90 -0.17 95
IV.FEMA.HNZ. 2019-10-27T23:36:32.90 0.1 undecidable manual S 138 7.7811 132 0.1 98
IT.MTCL.HGZ. 2019-10-27T23:36:31.82 0.1 undecidable manual S 155 2.4975 163 -0.22 96
IV.FEMA.HNZ. 2019-10-27T23:36:31.00 0.1 undecidable manual P 138 7.7811 132 0.19 96
IV.MML1.HNE. 2019-10-27T23:36:31.27 0.1 undecidable manual P 354 11.0778 114 0.04 99
IV.FDMO.HHZ. 2019-10-27T23:36:30.93 0.1 undecidable manual P 73 8.5803 128 0.03 100
IT.MTCL.HGZ. 2019-10-27T23:36:30.43 0.1 undecidable manual P 155 2.4975 163 0.05 100
IV.CESI.HHZ. 2019-10-27T23:36:30.86 0.1 undecidable manual P 261 6.6933 138 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.3 0.0002825 0.1 AML other m 2019-10-27T23:36:32.85
IV.CESI.HHN. ML:1.3 0.00026250000000000004 0.1 AML other m 2019-10-27T23:36:32.91
IV.FDMO.HHE. ML:1.2 0.000195 0.18 AML other m 2019-10-27T23:36:32.95
IV.FDMO.HHN. ML:1.1 0.0001735 0.46 AML other m 2019-10-27T23:36:33.97
IV.NRCA.HHN. ML:1.6 0.000229 0.12 AML other m 2019-10-27T23:36:36.52
IV.NRCA.HHE. ML:1.3 0.00011380000000000001 1.04 AML other m 2019-10-27T23:36:36.31
IV.ASSB.HHN. ML:1.1 0.00007285 0.26 AML other m 2019-10-27T23:36:37.90
IV.ASSB.HHE. ML:1.1 0.00006345000000000001 1.56 AML other m 2019-10-27T23:36:38.00
IV.SNTG.HHE. ML:0.9 0.000042300000000000005 1.34 AML other m 2019-10-27T23:36:38.27
IV.SNTG.HHN. ML:0.8 0.00003229999999999999 0.28 AML other m 2019-10-27T23:36:38.28
IV.ATCC.EHN. ML:1.0 0.00004149999999999999 0.26 AML other m 2019-10-27T23:36:49.32
IV.ATCC.EHE. ML:1.2 0.000057650000000000005 0.84 AML other m 2019-10-27T23:36:50.45
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