Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 02-04-2020 and time 15:07:30 (UTC) in region 4 km W Preci (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km W Preci (PG), on

  • 02-04-2020 15:07:30 (UTC)
  • 02-04-2020 17:07:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8930, 12.9880 at 11 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
Preci PG 5 724 724
Sellano PG 5 1079 1803
Visso MC 9 1107 2910
Cerreto di Spoleto PG 10 1075 3985
Monte Cavallo MC 11 145 4130
Castelsantangelo sul Nera MC 14 281 4411
Ussita MC 14 444 4855
Norcia PG 14 4957 9812
Vallo di Nera PG 17 364 10176
Pieve Torina MC 18 1458 11634
Fiordimonte MC 18 202 11836
Campello sul Clitunno PG 19 2442 14278
Cascia PG 19 3217 17495
Trevi PG 20 8469 25964

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 1.5 2020-04-02
15:07:30		 42.8927 12.9875 11 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80281061
Reviewed
Rev100 		ML 1.5 2020-04-02
15:07:30		 42.8918 12.9855 11 2020-04-02
15:11:36		 Sala Sismica INGV-Roma 77794171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 15:07:30 ± 0.03
Latitude 42.8927 ± 0.0009
Longitude 12.9875 ± 0.0012
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80281061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 42
Type of magnitude ML
Reference to an origin 80281061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-18 11:12:36

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 77794171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 15:11:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2020-04-02T15:07:41.70 0.6 undecidable manual S 172 32.4453 90 -0.22 47
IV.TERO.HHZ. 2020-04-02T15:07:41.05 0.3 undecidable manual P 121 58.497 90 -0.18 67
IV.MURB.HHZ. 2020-04-02T15:07:40.76 0.6 undecidable manual P 318 55.5999 90 -0.03 46
IV.CSP1.EHZ. 2020-04-02T15:07:40.80 0.6 undecidable manual S 39 28.2495 90 -0.01 48
IV.MMO1.EHZ. 2020-04-02T15:07:40.50 0.6 undecidable manual S 88 27.5502 90 -0.12 47
IV.EL6.EHZ. 2020-04-02T15:07:39.80 0.6 undecidable manual P 11 49.3173 90 -0.03 47
IV.SMA1.EHZ. 2020-04-02T15:07:38.49 0.1 undecidable manual P 136 40.626 90 0.01 95
IV.SNTG.HHZ. 2020-04-02T15:07:38.41 0.6 undecidable manual P 355 40.3263 90 -0.04 47
IV.ATCC.EHZ. 2020-04-02T15:07:38.82 0.3 undecidable manual P 319 43.0236 90 -0.03 71
IV.MTRA.EHZ. 2020-04-02T15:07:37.79 0.3 undecidable manual P 114 36.5412 90 -0.06 71
IV.FDMO.HHZ. 2020-04-02T15:07:37.90 0.3 undecidable manual S 27 17.871 90 -0.14 72
IV.MOMA.HHZ. 2020-04-02T15:07:37.86 0.3 undecidable manual P 254 35.3424 90 0.19 69
IV.MC2.EHZ. 2020-04-02T15:07:37.80 0.6 undecidable manual S 83 16.4724 90 0.13 49
IV.LNSS.HHZ. 2020-04-02T15:07:37.12 0.1 negative manual P 172 32.4453 90 -0.1 95
IV.CSP1.EHZ. 2020-04-02T15:07:36.59 0.1 positive manual P 39 28.2495 90 0.01 97
IV.NRCA.HNZ. 2020-04-02T15:07:36.40 0.6 undecidable manual S 122 12.1767 106 -0.13 49
IT.MTCL.HGZ. 2020-04-02T15:07:36.10 0.6 undecidable manual S 5 11.2776 112 -0.19 48
IT.FOPC.HGN. 2020-04-02T15:07:36.08 0.3 undecidable manual P 290 24.6531 90 0.06 72
IV.MMO1.EHZ. 2020-04-02T15:07:36.46 0.1 negative manual P 88 27.5502 90 -0.01 97
IV.FEMA.HNE. 2020-04-02T15:07:36.00 0.6 undecidable manual S 33 9.1797 124 0.19 49
IV.CESI.HHZ. 2020-04-02T15:07:36.90 0.6 undecidable manual S 332 14.1747 91 -0.14 49
IV.NRCA.HNZ. 2020-04-02T15:07:34.14 0.1 negative manual P 122 12.1767 106 0.03 100
IV.MC2.EHZ. 2020-04-02T15:07:34.90 0.3 undecidable manual P 83 16.4724 90 0.13 73
IV.CESI.HHZ. 2020-04-02T15:07:34.53 0.1 undecidable manual P 332 14.1747 91 0.13 97
IT.MTCL.HGZ. 2020-04-02T15:07:34.00 0.1 undecidable manual P 5 11.2776 112 0.03 100
IV.FDMO.HHZ. 2020-04-02T15:07:34.98 0.1 positive manual P 27 17.871 90 0 99
IV.FEMA.HNE. 2020-04-02T15:07:33.97 0.3 undecidable manual P 33 9.1797 124 0.28 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.00049504065 0.1152 AML other m 2020-04-02T15:07:37.41
IV.NRCA.HNN. ML:1.7 0.0005774686 0.1152 AML other m 2020-04-02T15:07:36.60
IV.NRCA.HHN. ML:1.8 0.0006052938 0.1152 AML other m 2020-04-02T15:07:36.60
IV.NRCA.HHE. ML:1.7 0.00054318115 0.1152 AML other m 2020-04-02T15:07:37.40
IV.CESI.HNN. ML:1.7 0.00048673939999999995 0.256 AML other m 2020-04-02T15:07:37.19
IV.CESI.HHN. ML:1.7 0.00048253305 0.2432 AML other m 2020-04-02T15:07:37.18
IV.CESI.HNE. ML:1.5 0.00028413355 0.1152 AML other m 2020-04-02T15:07:37.29
IV.CESI.HHE. ML:1.5 0.00031726314999999997 0.1536 AML other m 2020-04-02T15:07:37.19
IV.FDMO.HHN. ML:1.5 0.00027645789999999995 0.1152 AML other m 2020-04-02T15:07:38.36
IV.FDMO.HHE. ML:1.7 0.0003834713 0.2048 AML other m 2020-04-02T15:07:38.13
IV.CSP1.EHN. ML:1.1 0.000068015665 0.1152 AML other m 2020-04-02T15:07:41.56
IV.CSP1.EHE. ML:1.5 0.00014724975000000002 0.2176 AML other m 2020-04-02T15:07:41.61
IV.LNSS.HNE. ML:1.6 0.0001537975 0.1024 AML other m 2020-04-02T15:07:42.20
IV.LNSS.HHE. ML:1.6 0.000160352 0.1792 AML other m 2020-04-02T15:07:42.43
IV.LNSS.HNN. ML:1.6 0.00018995404999999998 0.2048 AML other m 2020-04-02T15:07:42.52
IV.LNSS.HHN. ML:1.6 0.00019272109999999998 0.192 AML other m 2020-04-02T15:07:42.51
IV.MTRA.EHN. ML:1.2 0.000053513740000000005 0.1792 AML other m 2020-04-02T15:07:45.05
IV.MTRA.HNN. ML:1.5 0.00012770165 0.7168 AML other m 2020-04-02T15:07:53.11
IV.MTRA.EHE. ML:1.2 0.00005529703 0.2432 AML other m 2020-04-02T15:07:45.48
IV.MTRA.HNE. ML:1.4 0.00010360031 0.6144 AML other m 2020-04-02T15:07:50.01
IV.MOMA.HNN. ML:1.5 0.00012495997 0.9088 AML other m 2020-04-02T15:07:53.91
IV.MOMA.HHN. ML:1.5 0.00012984641999999998 0.1408 AML other m 2020-04-02T15:07:44.42
IV.MOMA.HNE. ML:1.5 0.00012333818 0.6016 AML other m 2020-04-02T15:07:39.90
IV.MOMA.HHE. ML:1.4 0.0001085215 0.1792 AML other m 2020-04-02T15:07:43.38
IV.SNTG.HNN. ML:1.8 0.00020257010000000001 0.8192 AML other m 2020-04-02T15:07:49.97
IV.SNTG.HHE. ML:1.4 0.000074441225 0.1408 AML other m 2020-04-02T15:07:44.90
IV.SNTG.HNE. ML:1.6 0.00011945961 0.4864 AML other m 2020-04-02T15:07:49.06
IV.SNTG.HHN. ML:1.4 0.00007447714 0.1536 AML other m 2020-04-02T15:07:44.84
IV.SMA1.EHE. ML:1.2 0.000061520655 0.2304 AML other m 2020-04-02T15:07:46.14
IV.SMA1.EHN. ML:1.2 0.00006092235 0.3072 AML other m 2020-04-02T15:07:46.23
IV.ATCC.EHN. ML:1.2 0.00004616030999999999 0.192 AML other m 2020-04-02T15:07:47.65
IV.ATCC.EHE. ML:1.2 0.000050112700000000006 0.1664 AML other m 2020-04-02T15:07:45.48
IV.EL6.EHN. ML:1.4 0.00007409949 0.2048 AML other m 2020-04-02T15:07:48.42
IV.EL6.EHE. ML:1.4 0.0000639027 0.1664 AML other m 2020-04-02T15:07:48.58
IV.MURB.HHE. ML:1.6 0.000101519605 0.2432 AML other m 2020-04-02T15:07:51.46
IV.MURB.HNE. ML:1.8 0.000135831005 0.7552 AML other m 2020-04-02T15:07:44.99
IV.MURB.HNN. ML:1.8 0.00014326349999999998 0.6656 AML other m 2020-04-02T15:07:59.50
IV.MURB.HHN. ML:1.6 0.000083255135 0.2816 AML other m 2020-04-02T15:07:51.97
IV.TERO.HHN. ML:1.1 0.000023422195 0.1408 AML other m 2020-04-02T15:07:50.84
IV.TERO.HNN. ML:2.0 0.0001946425 1.1392 AML other m 2020-04-02T15:08:03.12
IV.TERO.HHE. ML:1.0 0.000018019105000000002 0.1536 AML other m 2020-04-02T15:07:50.91
IV.TERO.HNE. ML:1.9 0.00018456285 1.152 AML other m 2020-04-02T15:07:56.40
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