Earthquake with magnitude of ML 1.7 on date 30-03-2020 and time 17:43:26 (UTC) in region 4 km NW Castel Ritaldi (PG)

A magnitude ML 1.7 earthquake occured in region: 4 km NW Castel Ritaldi (PG), on

  • 30-03-2020 17:43:26 (UTC)
  • 30-03-2020 19:43:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.85, 12.65 at 8 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
Castel Ritaldi PG 4 3278 3278
Montefalco PG 5 5679 8957
Giano dell'Umbria PG 6 3846 12803
Trevi PG 9 8469 21272
Bevagna PG 10 5081 26353
Gualdo Cattaneo PG 10 6155 32508
Campello sul Clitunno PG 11 2442 34950
Foligno PG 12 57155 92105
Massa Martana PG 13 3770 95875
Spoleto PG 15 38218 134093
Spello PG 16 8645 142738
Cannara PG 17 4305 147043
Collazzone PG 18 3473 150516
Acquasparta TR 20 4778 155294
Vallo di Nera PG 20 364 155658

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
89 Km W of Teramo (54892 inhabitants)
92 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
Bulletin
Rev1000
ML 1.7 2020-03-30
17:43:26
42.85 12.65 8 2020-07-18
21:08:35
Bollettino Sismico Italiano INGV 78840581
Reviewed
Rev100
ML 1.8 2020-03-30
17:43:26
42.85 12.65 8 2020-03-30
17:49:06
Sala Sismica INGV-Roma 77709751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-30 17:43:26 ± 0.06
Latitude 42.85 ± 0.00
Longitude 12.65 ± 0.00
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78840581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 350
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 49
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 78840581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-04 15:34:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 77709751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-30 17:49:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2020-03-30T17:44:09.79 3.0 undecidable manual Pg 5.18 0
IV.CSNT.HHZ. 2020-03-30T17:44:06.74 3.0 undecidable manual S 0.75 0
IV.VCEL.EHZ. 2020-03-30T17:44:02.04 3.0 undecidable manual S 0.45 0
IV.MF5.EHZ. 2020-03-30T17:43:49.09 0.6 undecidable manual S 77 0.6097 50 1.33 29
IV.SRES.HHZ. 2020-03-30T17:43:49.12 3.0 undecidable manual S -0.23 0
IV.RCAV.EHZ. 2020-03-30T17:43:48.90 3.0 undecidable manual P 1.99 0
IV.EL6.EHZ. 2020-03-30T17:43:47.25 0.6 undecidable manual S 35 0.5801 50 0.38 43
IV.ATVO.HHZ. 2020-03-30T17:43:46.30 0.6 undecidable manual S 342 0.5567 50 0.13 46
IV.RM33.EHZ. 2020-03-30T17:43:46.04 0.6 undecidable manual S 129 0.5414 50 0.32 44
IV.SMA1.EHZ. 2020-03-30T17:43:46.69 1.0 undecidable manual S 114 0.5522 50 0.64 20
IV.ATFO.HHZ. 2020-03-30T17:43:45.65 0.6 undecidable manual S 354 0.5153 50 0.69 40
IV.MMO1.EHZ. 2020-03-30T17:43:44.67 0.6 undecidable manual S 85 0.5 50 0.17 46
IV.SNTG.HHZ. 2020-03-30T17:43:43.32 0.6 undecidable manual S 28 0.4551 50 0.16 46
IV.CSP1.EHZ. 2020-03-30T17:43:43.75 0.6 undecidable manual S 60 0.4721 50 0.07 47
IV.FOSV.EHZ. 2020-03-30T17:43:42.82 0.3 undecidable manual S 11 0.4488 50 -0.16 70
IV.MURB.HHZ. 2020-03-30T17:43:42.35 0.1 undecidable manual S 348 0.4182 50 0.26 92
IV.LNSS.HHZ. 2020-03-30T17:43:41.03 0.6 undecidable manual S 131 0.3822 50 0.01 49
IV.MC2.EHZ. 2020-03-30T17:43:41.79 0.3 undecidable manual S 82 0.4011 50 0.21 70
IV.FDMO.HHZ. 2020-03-30T17:43:40.30 0.6 undecidable manual S 60 0.3705 50 -0.36 45
IV.ATCC.EHZ. 2020-03-30T17:43:39.06 0.6 undecidable manual S 359 0.331 50 -0.44 45
IV.NRCA.HHZ. 2020-03-30T17:43:39.74 0.6 undecidable manual S 93 0.3435 50 -0.12 48
IV.MF5.EHZ. 2020-03-30T17:43:39.21 1.0 undecidable manual P 77 0.6097 50 0.39 21
IV.ARVD.HHZ. 2020-03-30T17:43:39.80 0.6 undecidable manual P 18 0.679 50 -0.2 44
IV.EL6.EHZ. 2020-03-30T17:43:38.15 0.1 undecidable manual P 35 0.5801 50 -0.15 91
IV.ATVO.HHZ. 2020-03-30T17:43:38.16 0.1 undecidable manual P 342 0.5567 50 0.26 89
IV.ATFO.HHZ. 2020-03-30T17:43:37.10 0.1 undecidable manual P 354 0.5153 50 -0.1 93
IV.RM33.EHZ. 2020-03-30T17:43:37.48 0.1 undecidable manual P 129 0.5414 50 -0.16 91
IV.SMA1.EHZ. 2020-03-30T17:43:37.71 0.6 undecidable manual P 114 0.5522 50 -0.12 46
IV.CESX.HHZ. 2020-03-30T17:43:36.42 0.6 undecidable manual S 190 0.2491 107 -0.19 48
IV.MMO1.EHZ. 2020-03-30T17:43:36.75 0.6 undecidable manual P 85 0.5 50 -0.19 46
IV.CESI.HHZ. 2020-03-30T17:43:36.08 0.6 undecidable manual S 51 0.2419 107 -0.27 47
IV.CSP1.EHZ. 2020-03-30T17:43:36.35 0.6 undecidable manual P 60 0.4721 50 -0.12 47
IV.MC2.EHZ. 2020-03-30T17:43:35.23 0.1 undecidable manual P 82 0.4011 50 -0.02 97
IV.FOSV.EHZ. 2020-03-30T17:43:35.76 0.1 undecidable manual P 11 0.4488 50 -0.3 90
IV.MURB.HHZ. 2020-03-30T17:43:35.38 0.1 undecidable manual P 348 0.4182 50 -0.17 93
IV.SNTG.HHZ. 2020-03-30T17:43:35.96 0.6 negative manual P 28 0.4551 50 -0.2 46
IV.MGAB.HHZ. 2020-03-30T17:43:35.51 0.1 undecidable manual P 279 0.3957 50 0.36 90
IV.FDMO.HHZ. 2020-03-30T17:43:34.43 1.0 positive manual P 60 0.3705 50 -0.29 23
IV.LNSS.HHZ. 2020-03-30T17:43:34.73 0.1 undecidable manual P 131 0.3822 50 -0.2 94
IV.ATTE.HHZ. 2020-03-30T17:43:34.93 0.1 undecidable manual P 328 0.4047 50 -0.38 90
IV.NRCA.HHZ. 2020-03-30T17:43:34.10 0.3 positive manual P 93 0.3435 50 -0.15 71
IV.ATCC.EHZ. 2020-03-30T17:43:33.69 0.1 positive manual P 359 0.331 50 -0.36 91
IV.CESI.HHZ. 2020-03-30T17:43:32.24 0.1 positive manual P 51 0.2419 107 0.01 100
IV.CESX.HHZ. 2020-03-30T17:43:32.29 0.6 positive manual P 190 0.2491 107 -0.1 49
IT.FOPC.HGZ. 2020-03-30T17:43:32.30 0.6 undecidable manual S 20 0.1232 121 0.15 50
IV.MOMA.HNZ. 2020-03-30T17:43:30.71 0.6 undecidable manual S 228 0.0746 135 0.03 51
IT.FOPC.HGZ. 2020-03-30T17:43:30.08 0.1 positive manual P 20 0.1232 121 0.27 97
IV.MOMA.HNZ. 2020-03-30T17:43:29.22 0.3 undecidable manual P 228 0.0746 135 0.26 73
IT.GNU.HGZ. 2020-03-30T17:43:29.10 0.3 undecidable manual P 228 0.0746 135 0.14 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.7 0.000271 0.7 AML other m 2020-03-30T17:43:36.80
IV.CESX.HHN. ML:1.9 0.000438 0.82 AML other m 2020-03-30T17:43:37.66
IV.CESI.HHE. ML:1.6 0.000206 1.68 AML other m 2020-03-30T17:43:37.94
IV.CESX.HHE. ML:1.8 0.0003815 0.56 AML other m 2020-03-30T17:43:38.76
IV.ATCC.EHE. ML:2.1 0.0004795 0.44 AML other m 2020-03-30T17:43:39.31
IV.ATCC.EHN. ML:2.1 0.0004435 0.44 AML other m 2020-03-30T17:43:39.53
IV.NRCA.HHN. ML:1.8 0.0002365 0.12 AML other m 2020-03-30T17:43:40.51
IV.FDMO.HHE. ML:1.6 0.0001285 0.7 AML other m 2020-03-30T17:43:40.87
IV.FDMO.HHN. ML:1.5 0.000117 0.18 AML other m 2020-03-30T17:43:41.16
IV.NRCA.HHE. ML:2 0.0003955 0.14 AML other m 2020-03-30T17:43:41.21
IV.LNSS.HHN. ML:2.1 0.0004265 0.36 AML other m 2020-03-30T17:43:41.93
IV.ATTE.HHN. ML:1.4 7.855E-5 0.42 AML other m 2020-03-30T17:43:42.00
IV.LNSS.HHE. ML:2.2 0.000547 0.56 AML other m 2020-03-30T17:43:42.33
IV.MURB.HHN. ML:2.4 0.000736 0.24 AML other m 2020-03-30T17:43:42.70
IV.MURB.HHE. ML:2.4 0.000793 0.28 AML other m 2020-03-30T17:43:43.47
IV.FOSV.EHE. ML:1.7 0.0001205 0.44 AML other m 2020-03-30T17:43:43.67
IV.SNTG.HHE. ML:1.5 8.665E-5 0.48 AML other m 2020-03-30T17:43:44.44
IV.FOSV.EHN. ML:1.5 8.04E-5 0.32 AML other m 2020-03-30T17:43:44.53
IV.SNTG.HHN. ML:1.7 0.0001275 1.18 AML other m 2020-03-30T17:43:44.32
IV.ATTE.HHE. ML:1.5 8.88E-5 1.6 AML other m 2020-03-30T17:43:45.01
IV.ATFO.HHE. ML:1.7 0.00011105 0.28 AML other m 2020-03-30T17:43:46.39
IV.ATFO.HHN. ML:1.6 9.715E-5 0.24 AML other m 2020-03-30T17:43:47.62
IV.EL6.EHE. ML:2.1 0.000235 0.5 AML other m 2020-03-30T17:43:47.41
IV.RM33.EHN. ML:1.8 0.0001435 0.86 AML other m 2020-03-30T17:43:47.25
IV.SMA1.EHN. ML:1.8 0.0001405 1.8 AML other m 2020-03-30T17:43:48.07
IV.MGAB.HHN. ML:1.7 0.0001595 0.38 AML other m 2020-03-30T17:43:48.14
IV.MGAB.HNN. ML:1.7 0.0001555 0.38 AML other m 2020-03-30T17:43:48.34
IV.RM33.EHE. ML:1.9 0.000154 0.28 AML other m 2020-03-30T17:43:48.24
IV.MGAB.HHE. ML:1.5 0.00010195 0.46 AML other m 2020-03-30T17:43:48.70
IV.SMA1.EHE. ML:1.9 0.000168 0.74 AML other m 2020-03-30T17:43:49.57
IV.EL6.EHN. ML:2 0.000182 0.54 AML other m 2020-03-30T17:43:49.89
IV.MGAB.HNE. ML:1.5 9.635E-5 0.36 AML other m 2020-03-30T17:43:50.24
IV.SRES.HHE. ML:1.5 5.175E-5 0.86 AML other m 2020-03-30T17:43:53.47
IV.SRES.HHN. ML:1.4 4.025E-5 0.44 AML other m 2020-03-30T17:43:54.95
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