Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 12-02-2020 and time 01:14:49 (Italy) in region 2 km SE Visso (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km SE Visso (MC), on

  • 12-02-2020 00:14:49 (UTC)
  • 12-02-2020 01:14:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9220, 13.1080 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
Visso MC 2 1107 1107
Ussita MC 4 444 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 7 724 2556
Monte Cavallo MC 12 145 2701
Bolognola MC 13 142 2843
Fiordimonte MC 13 202 3045
Acquacanina MC 13 121 3166
Fiastra MC 13 559 3725
Norcia PG 14 4957 8682
Pieve Torina MC 15 1458 10140
Sellano PG 15 1079 11219
Pievebovigliana MC 16 866 12085
Montemonaco AP 18 604 12689
Muccia MC 19 915 13604
Montefortino FM 19 1178 14782
Cerreto di Spoleto PG 19 1075 15857

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
99 Km NE of Viterbo (67173 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 1.2 2020-02-12
00:14:49		 42.9218 13.1083 11 2020-07-18
21:08:23		 Bollettino Sismico Italiano INGV 77024791
Reviewed
Rev100 		ML 1.6 2020-02-12
00:14:50		 42.9183 13.1022 10 2020-02-12
00:20:38		 Sala Sismica INGV-Roma 76448341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 00:14:49 ± 0.04
Latitude 42.9218 ± 0.0027
Longitude 13.1083 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77024791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 92
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 77024791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-04 14:05:01

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 76448341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 00:20:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2020-02-12T00:15:05.14 0.6 undecidable manual S 254 45.7209 50 0.47 43
IV.LNSS.HNZ. 2020-02-12T00:15:01.83 0.6 undecidable manual S 189 35.8419 50 -0.21 46
IV.GAVE.EHZ. 2020-02-12T00:15:00.58 0.3 undecidable manual S 214 30.8469 50 -0.14 71
IV.ARRO.EHZ. 2020-02-12T00:14:59.06 0.1 undecidable manual P 216 47.1195 50 0.37 87
IV.TERO.HHZ. 2020-02-12T00:14:59.67 1.0 negative manual P 129 52.2033 50 0.2 22
IV.GUMA.HNZ. 2020-02-12T00:14:59.31 0.3 undecidable manual S 50 24.1536 50 0.39 68
IV.CESX.HHE. 2020-02-12T00:14:59.89 0.6 undecidable manual P 231 54.9006 50 0.01 46
IV.MML1.HNZ. 2020-02-12T00:14:58.65 0.3 undecidable manual S 333 23.9538 50 -0.23 70
IV.MOMA.HNZ. 2020-02-12T00:14:58.58 0.1 undecidable manual P 254 45.7209 50 0.12 92
IV.CESI.HHZ. 2020-02-12T00:14:57.30 0.3 undecidable manual S 299 18.9699 50 -0.23 71
IV.CSP1.EHZ. 2020-02-12T00:14:57.84 0.3 undecidable manual S 23 20.3685 50 -0.09 73
IV.SNTG.HHE. 2020-02-12T00:14:57.24 0.1 undecidable manual P 340 39.3273 50 -0.25 91
IV.MMO1.EHZ. 2020-02-12T00:14:57.11 0.3 undecidable manual S 98 17.9709 121 -0.14 72
IV.SMA1.EHZ. 2020-02-12T00:14:57.06 1.0 undecidable manual P 150 37.2294 50 -0.1 24
IV.LNSS.HNZ. 2020-02-12T00:14:56.71 0.3 undecidable manual P 189 35.8419 50 -0.23 69
IV.MF5.EHZ. 2020-02-12T00:14:56.38 1.0 undecidable manual P 76 29.4483 50 0.42 22
IT.MTCL.HGZ. 2020-02-12T00:14:55.38 0.6 undecidable manual S 312 11.877 132 -0.19 48
IV.GUMA.HNZ. 2020-02-12T00:14:55.56 0.6 undecidable manual P 50 24.1536 50 0.42 45
IV.FDMO.HHZ. 2020-02-12T00:14:55.73 0.3 undecidable manual S 352 12.7761 130 -0.08 74
IV.MML1.HNZ. 2020-02-12T00:14:55.09 0.3 undecidable manual P 333 23.9538 50 -0.03 73
IV.SAP2.EHE. 2020-02-12T00:14:55.94 0.1 undecidable manual P 50 30.5472 50 -0.19 94
IV.GAVE.EHZ. 2020-02-12T00:14:55.99 0.3 undecidable manual P 214 30.8469 50 -0.19 70
IV.NRCA.HNZ. 2020-02-12T00:14:54.91 0.3 undecidable manual S 177 9.7791 138 -0.15 73
IV.MMO1.EHZ. 2020-02-12T00:14:54.13 0.1 undecidable manual P 98 17.9709 121 -0.05 98
IV.MC2.EHZ. 2020-02-12T00:14:54.06 0.3 undecidable manual S 100 6.6933 149 -0.34 71
IV.CESI.HHZ. 2020-02-12T00:14:54.36 0.1 undecidable manual P 299 18.9699 50 0.02 99
IV.CSP1.EHZ. 2020-02-12T00:14:54.56 0.1 undecidable manual P 23 20.3685 50 -0.01 99
IV.FEMA.HNZ. 2020-02-12T00:14:54.56 0.3 undecidable manual S 313 6.4935 149 0.19 73
IT.MTCL.HGZ. 2020-02-12T00:14:53.19 0.1 undecidable manual P 312 11.877 132 -0.02 100
IV.FDMO.HHZ. 2020-02-12T00:14:53.39 0.1 undecidable manual P 352 12.7761 130 0.05 99
IV.FEMA.HNZ. 2020-02-12T00:14:52.76 0.1 undecidable manual P 313 6.4935 149 0.24 96
IV.NRCA.HNZ. 2020-02-12T00:14:52.97 0.1 positive manual P 177 9.7791 138 0.06 100
IV.MC2.EHZ. 2020-02-12T00:14:52.81 0.1 undecidable manual P 100 6.6933 149 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.6 0.0001995 0.18 AML other m 2020-02-12T00:15:01.34
IV.FDMO.HHE. ML:1.5 0.000312 1.6 AML other m 2020-02-12T00:14:56.88
IV.CESI.HHN. ML:0.9 0.0001325 0.14 AML other m 2020-02-12T00:14:57.66
IV.CESI.HHE. ML:0.9 0.0000707 1.46 AML other m 2020-02-12T00:14:58.78
IV.CSP1.EHN. ML:1.4 0.00015752797 0.36 AML other m 2020-02-12T00:14:58.12
IV.CSP1.EHE. ML:1.2 0.00010900039000000001 0.14 AML other m 2020-02-12T00:14:57.99
IV.GAVE.EHN. ML:1.2 0.000081702515 0.44 AML other m 2020-02-12T00:15:00.86
IV.SMA1.EHE. ML:0.9 0.000028321015000000003 0.64 AML other m 2020-02-12T00:15:03.31
IV.SMA1.EHN. ML:1.2 0.00005254628 1.4 AML other m 2020-02-12T00:15:03.36
IV.TERO.HHN. ML:0.9 0.000019040349000000002 1.44 AML other m 2020-02-12T00:15:06.73
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