Earthquake with magnitude of ML 1.1 on date 28-02-2020 and time 19:03:21 (UTC) in region 3 km S Monte Cavallo (MC)

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

  • 28-02-2020 19:03:21 (UTC)
  • 28-02-2020 20:03:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9660, 12.9930 at 11 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.

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
Pieve Torina MC 10 1458 2710
Sellano PG 10 1079 3789
Preci PG 10 724 4513
Fiordimonte MC 11 202 4715
Ussita MC 12 444 5159
Serravalle di Chienti MC 12 1070 6229
Pievebovigliana MC 13 866 7095
Muccia MC 14 915 8010
Castelsantangelo sul Nera MC 15 281 8291
Fiastra MC 16 559 8850
Acquacanina MC 17 121 8971
Cerreto di Spoleto PG 17 1075 10046
Bolognola MC 19 142 10188
Camerino MC 20 6974 17162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
98 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
Reviewed
Rev100
ML 1.1 2020-02-28
19:03:21
42.9663 12.9928 11 2020-02-28
19:20:39
Sala Sismica INGV-Roma 76902991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-28 19:03:21 ± 0.05
Latitude 42.9663 ± 0.0045
Longitude 12.9928 ± 0.0074
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76902991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 796
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37142
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 76902991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-28 19:20:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2020-02-28T19:04:57.95 3.0 undecidable manual Sn -3.05 0
IV.MBAL.EHZ. 2020-02-28T19:04:53.04 3.0 undecidable manual Sg 13.15 0
GU.BLANC.HHZ. 2020-02-28T19:04:44.81 3.0 undecidable manual Pg 19.389999 0
IV.CAPR.HNZ. 2020-02-28T19:04:44.39 3.0 undecidable manual Sn -0.61 0
IV.QLNO.HHZ. 2020-02-28T19:04:36.34 3.0 undecidable manual Sn -5.24 0
IV.PZUN.HHZ. 2020-02-28T19:04:34.14 3.0 undecidable manual Sn -7.05 0
IV.MTMR.EHZ. 2020-02-28T19:04:28.16 3.0 undecidable manual Sg 2.81 0
CR.ZAG.BHZ. 2020-02-28T19:04:25.58 3.0 negative manual Pg 11.31 0
IV.AIO.HHZ. 2020-02-28T19:04:18.93 3.0 undecidable manual Pn -8.48 0
GU.CANO.HHZ. 2020-02-28T19:04:17.67 3.0 positive manual Pg 15.25 0
IV.EUCT.HNZ. 2020-02-28T19:04:09.69 3.0 positive manual Pg 5.85 0
IV.MILN.HHZ. 2020-02-28T19:04:01.23 3.0 positive manual Pn -4.92 0
IV.FIR.HHZ. 2020-02-28T19:03:57.21 3.0 undecidable manual Sg 3.08 0
IV.PAOL.HHZ. 2020-02-28T19:03:56.24 3.0 undecidable manual Pg 7.53 0
IV.CRMI.HHZ. 2020-02-28T19:03:56.43 3.0 undecidable manual Sn -0.94 0
IV.MTMR.EHZ. 2020-02-28T19:03:50.32 3.0 undecidable manual Pn -2.8 0
IV.OSSC.HHZ. 2020-02-28T19:03:35.79 3.0 undecidable manual Pg 2.97 0
IV.EL6.EHZ. 2020-02-28T19:03:34.78 0.3 undecidable manual S 12 41.2254 50 0.17 70
IV.SNTG.HHZ. 2020-02-28T19:03:32.14 0.3 undecidable manual S 352 32.3454 50 -0.09 72
IV.MMO1.EHZ. 2020-02-28T19:03:31.21 0.3 undecidable manual S 105 28.1496 50 0.09 72
IV.RIBO.EHZ.01 2020-02-28T19:03:29.32 3.0 undecidable manual Pg -0.36 0
IV.CSP1.EHZ. 2020-02-28T19:03:29.47 0.3 undecidable manual S 51 22.1556 50 -0.05 74
IV.NRCA.HHZ. 2020-02-28T19:03:28.22 0.3 undecidable manual S 146 17.7711 121 -0.06 74
IV.FOSV.EHZ. 2020-02-28T19:03:28.96 0.6 undecidable manual P 333 41.0256 50 0.1 47
IV.EL6.EHZ. 2020-02-28T19:03:28.72 0.3 undecidable manual P 12 41.2254 50 -0.18 69
IV.SNTG.HHZ. 2020-02-28T19:03:27.39 0.3 undecidable manual P 352 32.3454 50 -0.13 71
IV.MMO1.EHZ. 2020-02-28T19:03:26.95 0.3 undecidable manual P 105 28.1496 50 0.08 73
IV.CSP1.EHZ. 2020-02-28T19:03:25.98 0.3 undecidable manual P 51 22.1556 50 0.02 74
IV.VIVA.HHZ. 2020-02-28T19:03:25.08 3.0 negative manual P -4.36 0
IV.CESI.HHZ. 2020-02-28T19:03:25.84 0.3 undecidable manual S 301 8.3805 142 0.03 76
IV.NRCA.HHZ. 2020-02-28T19:03:25.20 0.1 undecidable manual P 146 17.7711 121 -0.04 99
IV.CESI.HHZ. 2020-02-28T19:03:23.90 0.1 undecidable manual P 301 8.3805 142 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.8 0.0000966 0.26 AML other m 2020-02-28T19:03:26.14
IV.CESI.HHN. ML:1.1 0.000158 0.1 AML other m 2020-02-28T19:03:26.01
IV.NRCA.HHN. ML:1.4 0.000185 0.12 AML other m 2020-02-28T19:03:28.36
IV.NRCA.HHE. ML:1.1 0.00009784999999999999 0.12 AML other m 2020-02-28T19:03:28.63
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