Earthquake with magnitude of ML 1.0 on date 16-02-2020 and time 01:46:17 (UTC) in region 3 km SW Monte Cavallo (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Monte Cavallo (MC), on

  • 16-02-2020 01:46:17 (UTC)
  • 16-02-2020 02:46:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9690, 12.9850 at 12 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.

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
Visso MC 9 1107 1252
Sellano PG 10 1079 2331
Pieve Torina MC 10 1458 3789
Preci PG 11 724 4513
Fiordimonte MC 12 202 4715
Serravalle di Chienti MC 12 1070 5785
Ussita MC 13 444 6229
Pievebovigliana MC 13 866 7095
Muccia MC 14 915 8010
Fiastra MC 16 559 8569
Castelsantangelo sul Nera MC 16 281 8850
Acquacanina MC 17 121 8971
Cerreto di Spoleto PG 17 1075 10046
Camerino MC 20 6974 17020
Bolognola MC 20 142 17162
Sefro MC 20 422 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
97 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
Bulletin
Rev1000
ML 1.0 2020-02-16
01:46:17
42.9687 12.9853 12 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80497411
Reviewed
Rev100
ML 1.1 2020-02-16
01:46:17
42.9638 12.9647 15 2020-02-16
01:52:20
Sala Sismica INGV-Roma 76556541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-16 01:46:17 ± 0.05
Latitude 42.9687 ± 0.0036
Longitude 12.9853 ± 0.0037
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80497411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
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) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.33185
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 80497411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-25 14:44:42

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 76556541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-16 01:52:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2020-02-16T01:46:30.44 0.6 undecidable manual S 311 36.8298 92 0.25 45
IV.MMO1.EHZ. 2020-02-16T01:46:28.02 0.6 undecidable manual S 105 28.749 94 -0.01 48
IV.CSP1.EHZ. 2020-02-16T01:46:26.43 0.6 undecidable manual S 52 22.4553 96 0.09 48
IV.NRCA.HHZ. 2020-02-16T01:46:25.09 0.6 undecidable manual S 145 18.2706 101 -0.15 47
IV.ATCC.EHZ. 2020-02-16T01:46:24.88 0.3 undecidable manual P 311 36.8298 92 -0.1 70
IV.MML1.HNE. 2020-02-16T01:46:24.53 0.6 undecidable manual S 356 16.0728 105 -0.15 48
IV.FDMO.HHN. 2020-02-16T01:46:23.37 0.6 undecidable manual S 48 11.1777 122 -0.1 49
IV.MMO1.EHZ. 2020-02-16T01:46:23.73 0.1 undecidable manual P 105 28.749 94 -0.01 96
IV.CSP1.EHZ. 2020-02-16T01:46:22.79 0.1 undecidable manual P 52 22.4553 96 0.03 97
IV.CESI.HHZ. 2020-02-16T01:46:22.62 0.6 undecidable manual S 302 7.6812 137 -0.13 48
IV.FEMA.HNE. 2020-02-16T01:46:22.52 0.6 undecidable manual S 98 5.2947 150 0.15 49
IV.NRCA.HHZ. 2020-02-16T01:46:22.07 0.3 undecidable manual P 145 18.2706 101 -0.06 72
IV.MML1.HNE. 2020-02-16T01:46:21.83 0.1 undecidable manual P 356 16.0728 105 0.03 98
IV.FDMO.HHN. 2020-02-16T01:46:21.14 0.1 undecidable manual P 48 11.1777 122 0.03 98
IT.MTCL.HGZ. 2020-02-16T01:46:21.85 0.6 undecidable manual S 22 2.997 162 -0.27 47
IT.MTCL.HGZ. 2020-02-16T01:46:20.31 0.1 undecidable manual P 22 2.997 162 -0.02 100
IV.CESI.HHZ. 2020-02-16T01:46:20.74 0.1 undecidable manual P 302 7.6812 137 0.05 99
IV.FEMA.HNE. 2020-02-16T01:46:20.66 0.1 undecidable manual P 98 5.2947 150 0.19 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.8 0.00006819999999999999 0.26 AML other m 2020-02-16T01:46:22.96
IV.CESI.HHN. ML:1.0 0.0001215 0.1 AML other m 2020-02-16T01:46:22.83
IV.NRCA.HHN. ML:1.3 0.00013800000000000002 0.1 AML other m 2020-02-16T01:46:25.18
IV.NRCA.HHE. ML:1.0 0.00007425000000000002 0.58 AML other m 2020-02-16T01:46:25.45
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