Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-01-2020 and time 02:03:30 (Italy) in region 2 km N Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km N Castelsantangelo sul Nera (MC), on

  • 04-01-2020 01:03:30 (UTC)
  • 04-01-2020 02:03:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9120, 13.1610 at 6 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
Castelsantangelo sul Nera MC 2 281 281
Ussita MC 4 444 725
Visso MC 6 1107 1832
Preci PG 11 724 2556
Bolognola MC 11 142 2698
Acquacanina MC 13 121 2819
Montemonaco AP 14 604 3423
Fiastra MC 14 559 3982
Norcia PG 14 4957 8939
Fiordimonte MC 15 202 9141
Montefortino FM 15 1178 10319
Monte Cavallo MC 16 145 10464
Montegallo AP 16 523 10987
Pieve Torina MC 17 1458 12445
Amandola FM 18 3629 16074
Pievebovigliana MC 18 866 16940
Sarnano MC 18 3264 20204
Arquata del Tronto AP 19 1178 21382
Sellano PG 19 1079 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
99 Km NW of Pescara (121014 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 2020-01-04
01:03:30		 42.9122 13.1608 6 2020-01-04
01:11:08		 Sala Sismica INGV-Roma 75234431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-04 01:03:30 ± 0.14
Latitude 42.9122 ± 0.0054
Longitude 13.1608 ± 0.0061
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75234431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 634
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.29408
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 75234431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-04 01:11:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.HNZ. 2020-01-04T01:03:40.84 0.6 undecidable manual S 326 27.0507 103 0.19 47
IV.CESI.HNZ. 2020-01-04T01:03:39.51 0.3 undecidable manual S 296 23.1546 105 0.17 71
IV.GAVE.HNN. 2020-01-04T01:03:37.10 0.3 undecidable manual P 222 32.6451 101 -0.56 63
IV.MTRA.HNE. 2020-01-04T01:03:36.25 0.3 undecidable manual P 132 25.752 104 -0.07 72
IT.MTCL.HGE. 2020-01-04T01:03:36.90 0.1 undecidable manual S 305 15.9729 112 -0.05 98
IV.MML1.HNZ. 2020-01-04T01:03:36.42 0.1 undecidable manual P 326 27.0507 103 -0.15 94
IV.MMO1.EHZ. 2020-01-04T01:03:36.28 0.3 undecidable manual S 96 13.5753 115 0.09 73
IV.FDMO.HHZ. 2020-01-04T01:03:36.97 0.3 undecidable manual S 337 15.0738 113 0.31 70
IV.NRCA.HHZ. 2020-01-04T01:03:35.56 0.6 undecidable manual S 203 9.4794 124 0.6 43
IV.CESI.HNZ. 2020-01-04T01:03:35.90 0.3 undecidable manual P 296 23.1546 105 0.09 72
IV.FEMA.HNE. 2020-01-04T01:03:35.29 0.3 undecidable manual S 302 10.5783 121 0.01 75
IV.MMO1.EHZ. 2020-01-04T01:03:34.18 0.1 undecidable manual P 96 13.5753 115 0.18 96
IV.FDMO.HHZ. 2020-01-04T01:03:34.29 0.3 undecidable manual P 337 15.0738 113 0.03 74
IT.MTCL.HGE. 2020-01-04T01:03:34.40 0.1 undecidable manual P 305 15.9729 112 -0.03 98
IV.MC2.EHZ. 2020-01-04T01:03:33.09 0.1 undecidable manual S 92 2.2977 160 -0.25 96
IV.NRCA.HHZ. 2020-01-04T01:03:33.63 0.3 undecidable manual P 203 9.4794 124 0.34 70
IV.FEMA.HNE. 2020-01-04T01:03:32.98 0.3 undecidable manual P 302 10.5783 121 -0.49 68
IV.MC2.EHZ. 2020-01-04T01:03:32.28 0.1 undecidable manual P 92 2.2977 160 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.00003528551 0.2 AML other m 2020-01-04T01:03:39.13
IV.NRCA.HHE. ML:1.3 0.0003175 0.22 AML other m 2020-01-04T01:03:35.78
IV.NRCA.HNE. ML:1.2 0.00027628795 0.2696 AML other m 2020-01-04T01:03:35.79
IV.NRCA.HNN. ML:1.1 0.00020819255 0.14 AML other m 2020-01-04T01:03:35.74
IV.FDMO.HHE. ML:0.4 0.000025530529999999998 0.18 AML other m 2020-01-04T01:03:39.39
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