Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-02-2020 and time 16:29:51 (UTC) in region 5 km W Visso (MC)

A magnitude ML 1.5 earthquake occured in region: 5 km W Visso (MC), on

  • 08-02-2020 16:29:51 (UTC)
  • 08-02-2020 17:29:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9400, 13.0230 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 5 1107 1107
Monte Cavallo MC 6 145 1252
Preci PG 7 724 1976
Sellano PG 10 1079 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 12 1458 5238
Fiordimonte MC 12 202 5440
Pievebovigliana MC 15 866 6306
Fiastra MC 15 559 6865
Cerreto di Spoleto PG 16 1075 7940
Serravalle di Chienti MC 16 1070 9010
Acquacanina MC 16 121 9131
Muccia MC 16 915 10046
Norcia PG 17 4957 15003
Bolognola MC 18 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
95 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 1.5 2020-02-08
16:29:51		 42.9395 13.0233 11 2020-07-18
21:08:20		 Bollettino Sismico Italiano INGV 76626991
Reviewed
Rev100 		ML 1.5 2020-02-08
16:29:51		 42.9367 13.0197 11 2020-02-08
16:42:59		 Sala Sismica INGV-Roma 76351201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-08 16:29:51 ± 0.04
Latitude 42.9395 ± 0.0027
Longitude 13.0233 ± 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 76626991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 327
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 34
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 76351201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-08 16:42:59

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 76626991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-30 10:20:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-02-08T16:30:11.16 3.0 undecidable manual P 0
IV.MOMA.HHZ. 2020-02-08T16:30:05.46 0.3 undecidable manual S 248 39.8268 50 0.5 64
IV.ATCC.EHZ. 2020-02-08T16:30:05.81 0.3 undecidable manual S 311 41.3253 50 0.44 65
IV.LNSS.HNZ. 2020-02-08T16:30:04.48 0.6 undecidable manual S 178 37.3293 50 0.17 46
IV.MF5.EHZ. 2020-02-08T16:30:04.37 0.3 undecidable manual S 81 35.8419 50 0.47 65
IV.MTRA.EHE. 2020-02-08T16:30:04.12 0.6 undecidable manual S 124 36.5412 50 0.04 47
IV.SNTG.HHZ. 2020-02-08T16:30:03.98 0.1 undecidable manual S 349 35.6421 50 0.13 93
IV.GAVE.EHZ. 2020-02-08T16:30:02.01 0.3 undecidable manual S 201 29.3484 50 -0.17 70
IV.MMO1.EHZ. 2020-02-08T16:30:01.01 0.3 undecidable manual S 100 25.0527 50 -0.01 73
IV.CSP1.EHZ. 2020-02-08T16:30:00.22 0.1 undecidable manual S 41 22.3554 50 -0.1 95
IV.SMA1.EHN. 2020-02-08T16:30:00.23 0.1 undecidable manual P 143 42.624 50 0.36 87
IV.MOMA.HHZ. 2020-02-08T16:29:59.43 0.1 undecidable manual P 248 39.8268 50 0 95
IV.MML1.HNZ. 2020-02-08T16:29:59.38 0.1 undecidable manual S 348 19.7691 50 -0.23 93
IV.ATCC.EHZ. 2020-02-08T16:29:59.51 0.1 undecidable manual P 311 41.3253 50 -0.15 91
IV.FOSV.HNE. 2020-02-08T16:29:59.97 0.1 undecidable manual P 332 44.7219 50 -0.23 89
IV.LNSS.HNZ. 2020-02-08T16:29:59.00 0.1 undecidable manual P 178 37.3293 50 -0.06 94
IV.MF5.EHZ. 2020-02-08T16:29:59.12 0.1 undecidable manual P 81 35.8419 50 0.3 89
IV.MTRA.EHE. 2020-02-08T16:29:58.60 0.1 undecidable manual P 124 36.5412 50 -0.32 89
IV.SNTG.HHZ. 2020-02-08T16:29:58.64 0.1 undecidable manual P 349 35.6421 50 -0.15 92
IV.MC2.EHZ. 2020-02-08T16:29:58.16 0.1 undecidable manual S 103 13.7751 129 0.16 96
IV.FDMO.HHZ. 2020-02-08T16:29:57.44 0.1 undecidable manual S 26 11.9769 133 -0.07 98
IV.GAVE.EHZ. 2020-02-08T16:29:57.67 0.1 undecidable manual P 201 29.3484 50 -0.15 93
IV.CESI.HHZ. 2020-02-08T16:29:57.57 0.3 undecidable manual S 307 12.0768 132 0.03 74
IV.NRCA.HHZ. 2020-02-08T16:29:57.70 0.1 undecidable manual S 148 13.875 128 -0.33 92
IV.MMO1.EHZ. 2020-02-08T16:29:56.96 0.1 undecidable manual P 100 25.0527 50 -0.2 93
IV.MML1.HNZ. 2020-02-08T16:29:56.21 0.1 undecidable manual P 348 19.7691 50 -0.13 95
IV.FEMA.HNZ. 2020-02-08T16:29:56.16 0.1 undecidable manual S 41 3.2967 163 0.29 95
IV.CSP1.EHZ. 2020-02-08T16:29:56.64 0.1 undecidable manual P 41 22.3554 50 -0.11 95
IT.MTCL.HGZ. 2020-02-08T16:29:56.10 0.3 undecidable manual S 342 6.2937 150 -0.18 72
IV.NRCA.HHZ. 2020-02-08T16:29:55.27 0.1 positive manual P 148 13.875 128 -0.16 96
IV.MC2.EHZ. 2020-02-08T16:29:55.53 0.1 undecidable manual P 103 13.7751 129 0.12 97
IV.FDMO.HHZ. 2020-02-08T16:29:55.12 0.1 negative manual P 26 11.9769 133 -0.01 99
IV.CESI.HHZ. 2020-02-08T16:29:55.21 0.1 positive manual P 307 12.0768 132 0.06 98
IV.FEMA.HNZ. 2020-02-08T16:29:54.36 0.1 undecidable manual P 41 3.2967 163 0.18 97
IT.MTCL.HGZ. 2020-02-08T16:29:54.43 0.1 undecidable manual P 342 6.2937 150 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.6 0.00038185355 0.0896 AML other m 2020-02-08T16:29:57.75
IV.NRCA.HHN. ML:1.6 0.0004360584 0.0896 AML other m 2020-02-08T16:29:57.79
IV.CESI.HNE. ML:1.5 0.00033129315 0.192 AML other m 2020-02-08T16:29:57.79
IV.CESI.HHE. ML:1.5 0.00036206295 0.2048 AML other m 2020-02-08T16:29:57.79
IV.CESI.HHN. ML:1.7 0.00052407995 0.0896 AML other m 2020-02-08T16:29:57.80
IV.CESI.HNN. ML:1.6 0.00048575695 0.0896 AML other m 2020-02-08T16:29:57.80
IV.NRCA.HNE. ML:1.4 0.0002228214 1.936 AML other m 2020-02-08T16:29:57.98
IV.NRCA.HHE. ML:1.4 0.00024316880000000002 1.9488 AML other m 2020-02-08T16:29:57.00
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