Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 07-01-2020 and time 02:22:36 (Italy) in region 3 km SW Monte Cavallo (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km SW Monte Cavallo (MC), on

  • 07-01-2020 01:22:36 (UTC)
  • 07-01-2020 02:22:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9730, 12.9820 at 10 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
Monte Cavallo MC 3 145 145
Visso MC 10 1107 1252
Pieve Torina MC 10 1458 2710
Sellano PG 10 1079 3789
Preci PG 11 724 4513
Fiordimonte MC 11 202 4715
Serravalle di Chienti MC 11 1070 5785
Ussita MC 13 444 6229
Pievebovigliana MC 13 866 7095
Muccia MC 13 915 8010
Fiastra MC 16 559 8569
Castelsantangelo sul Nera MC 16 281 8850
Acquacanina MC 17 121 8971
Cerreto di Spoleto PG 18 1075 10046
Camerino MC 20 6974 17020
Sefro MC 20 422 17442

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)
69 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
95 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 0.8 2020-01-07
01:22:36		 42.9728 12.9825 10 2020-07-18
21:08:29		 Bollettino Sismico Italiano INGV 77698121
Reviewed
Rev100 		ML 0.8 2020-01-07
01:22:36		 42.9708 12.9842 10 2020-01-07
01:49:05		 Sala Sismica INGV-Roma 75345181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-07 01:22:36 ± 0.05
Latitude 42.9728 ± 0.0027
Longitude 12.9825 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77698121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 77698121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-30 09:34:31

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 75345181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-07 01:49:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2020-01-07T01:22:47.66 0.6 undecidable manual S 354 31.4463 50 0.03 47
IV.ASSB.HHZ. 2020-01-07T01:22:46.29 0.6 undecidable manual S 287 27.3504 50 -0.25 46
IV.NRCA.HHZ. 2020-01-07T01:22:43.86 0.3 undecidable manual S 145 18.7701 118 -0.11 71
IV.MML1.HNE. 2020-01-07T01:22:43.00 0.6 undecidable manual S 357 15.5733 123 -0.02 49
IV.SNTG.HHZ. 2020-01-07T01:22:42.80 0.3 undecidable manual P 354 31.4463 50 -0.16 69
IV.ASSB.HHZ. 2020-01-07T01:22:42.44 0.3 undecidable manual P 287 27.3504 50 0.12 70
IV.FDMO.HHZ. 2020-01-07T01:22:41.61 0.1 undecidable manual S 50 11.0778 132 -0.15 96
IV.CESI.HHZ. 2020-01-07T01:22:40.78 0.1 undecidable manual S 299 7.2927 144 -0.1 97
IV.FEMA.HNE. 2020-01-07T01:22:40.53 0.6 undecidable manual S 102 5.5944 151 -0.04 49
IT.MTCL.HGZ. 2020-01-07T01:22:40.02 0.6 undecidable manual S 31 2.6973 165 -0.17 48
IV.NRCA.HHZ. 2020-01-07T01:22:40.82 0.1 undecidable manual P 145 18.7701 118 -0.02 97
IV.MML1.HNE. 2020-01-07T01:22:40.43 0.1 undecidable manual P 357 15.5733 123 0.14 95
IV.CESI.HHZ. 2020-01-07T01:22:39.20 0.1 negative manual P 299 7.2927 144 0.14 96
IV.FDMO.HHZ. 2020-01-07T01:22:39.68 0.1 undecidable manual P 50 11.0778 132 0.12 96
IV.FEMA.HNE. 2020-01-07T01:22:39.08 0.1 undecidable manual P 102 5.5944 151 0.2 95
IT.MTCL.HGZ. 2020-01-07T01:22:38.66 0.1 undecidable manual P 31 2.6973 165 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.7 0.0000748 0.1 AML other m 2020-01-07T01:22:40.81
IV.CESI.HHN. ML:0.7 0.00006945 0.24 AML other m 2020-01-07T01:22:40.95
IV.ASSB.HHN. ML:0.9 0.00003995 1.48 AML other m 2020-01-07T01:22:51.93
IV.ASSB.HHE. ML:0.8 0.00003345 0.42 AML other m 2020-01-07T01:22:56.28
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