Earthquake with magnitude of ML 1.2 on date 19-03-2020 and time 06:30:42 (Italy) in region 5 km NW Castel Ritaldi (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km NW Castel Ritaldi (PG), on

  • 19-03-2020 05:30:42 (UTC)
  • 19-03-2020 06:30:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8520, 12.6310 at 10 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
Castel Ritaldi PG 5 3278 3278
Giano dell'Umbria PG 5 3846 7124
Montefalco PG 5 5679 12803
Gualdo Cattaneo PG 9 6155 18958
Bevagna PG 9 5081 24039
Trevi PG 10 8469 32508
Massa Martana PG 12 3770 36278
Campello sul Clitunno PG 13 2442 38720
Foligno PG 13 57155 95875
Spoleto PG 16 38218 134093
Spello PG 16 8645 142738
Collazzone PG 16 3473 146211
Cannara PG 17 4305 150516
Acquasparta TR 19 4778 155294
Todi PG 20 16851 172145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Foligno (57155 inhabitants)
32 Km N of Terni (111501 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
90 Km W of Teramo (54892 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.2 2020-03-19
05:30:42
42.8523 12.6308 11 2020-03-19
05:36:29
Sala Sismica INGV-Roma 77373091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-19 05:30:42 ± 0.05
Latitude 42.8523 ± 0.0036
Longitude 12.6308 ± 0.0074
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77373091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 534
Semi-minor axis of confidence ellipse (meter) 401
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51171
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77373091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-19 05:36:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2020-03-19T05:31:10.08 3.0 undecidable manual S 1.39 0
IV.MMO1.EHZ. 2020-03-19T05:31:00.36 0.3 undecidable manual S 84 56.7987 50 0.22 89
IV.NRCA.HHZ. 2020-03-19T05:30:55.57 0.3 undecidable manual S 93 39.3273 50 0.09 94
IV.ATCC.EHZ. 2020-03-19T05:30:54.97 0.3 undecidable manual S 1 36.9297 50 0.14 94
IV.CESX.HHZ. 2020-03-19T05:30:52.23 0.3 undecidable manual S 188 27.2505 50 -0.03 97
IV.MMO1.EHZ. 2020-03-19T05:30:52.63 0.3 undecidable manual P 84 56.7987 50 -0.01 93
IV.CESI.HHZ. 2020-03-19T05:30:52.08 0.3 undecidable manual S 53 27.9498 50 -0.35 91
IV.NRCA.HHZ. 2020-03-19T05:30:49.80 0.3 undecidable manual P 93 39.3273 50 -0.15 93
IV.ATCC.EHZ. 2020-03-19T05:30:49.49 0.3 undecidable manual P 1 36.9297 50 -0.09 95
IV.CESI.HHZ. 2020-03-19T05:30:48.29 0.3 undecidable manual P 53 27.9498 50 0.1 96
IV.CESX.HHZ. 2020-03-19T05:30:48.04 0.6 undecidable manual P 188 27.2505 50 -0.05 65
IV.MOMA.HHZ. 2020-03-19T05:30:46.75 0.3 undecidable manual S 223 7.2927 145 -0.09 100
IT.GNU.HGZ. 2020-03-19T05:30:46.72 0.3 undecidable manual S 223 7.2927 145 -0.12 99
IV.MOMA.HHZ. 2020-03-19T05:30:45.03 0.3 undecidable manual P 223 7.2927 145 0.07 100
IT.GNU.HGZ. 2020-03-19T05:30:45.21 0.3 undecidable manual P 223 7.2927 145 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.4 0.0003195 1.66 AML other m 2020-03-19T05:30:47.87
IV.MOMA.HNN. ML:1.4 0.00034050000000000004 1.66 AML other m 2020-03-19T05:30:47.04
IV.MOMA.HHE. ML:1.5 0.000508 0.82 AML other m 2020-03-19T05:30:47.44
IV.MOMA.HNE. ML:1.4 0.00039049999999999995 0.22 AML other m 2020-03-19T05:30:47.59
IV.CESI.HHN. ML:0.9 0.000040300000000000004 0.68 AML other m 2020-03-19T05:30:52.09
IV.CESI.HHE. ML:0.8 0.0000314 0.8 AML other m 2020-03-19T05:30:52.11
IV.CESX.HHE. ML:1.1 0.00006465 0.56 AML other m 2020-03-19T05:30:54.44
IV.CESX.HHN. ML:1.2 0.00007324999999999999 0.52 AML other m 2020-03-19T05:30:54.43
IV.ATCC.EHE. ML:1.1 0.000052 0.5 AML other m 2020-03-19T05:30:55.24
IV.ATCC.EHN. ML:1.2 0.00006335000000000001 0.28 AML other m 2020-03-19T05:30:55.25
IV.NRCA.HHE. ML:1.2 0.0000541 0.16 AML other m 2020-03-19T05:30:56.83
IV.NRCA.HHN. ML:1.2 0.000050900000000000004 0.4 AML other m 2020-03-19T05:30:57.33
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