Earthquake with magnitude of ML 1.0 on date 01-05-2020 and time 01:24:05 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km E Norcia (PG), on

  • 30-04-2020 23:24:05 (UTC)
  • 01-05-2020 01:24:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1480 at 13 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
Norcia PG 5 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 12 724 5962
Arquata del Tronto AP 13 1178 7140
Cascia PG 15 3217 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 16 523 13098
Montemonaco AP 18 604 13702
Cerreto di Spoleto PG 19 1075 14777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NW of Chieti (51815 inhabitants)
98 Km NE 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 1.0 2020-04-30
23:24:05
42.8053 13.1482 13 2020-04-30
23:47:18
Sala Sismica INGV-Roma 78704751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-30 23:24:05 ± 0.06
Latitude 42.8053 ± 0.0027
Longitude 13.1482 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78704751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 415
Semi-minor axis of confidence ellipse (meter) 117
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 12
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) 0.26710
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 12
Type of magnitude ML
Reference to an origin 78704751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-30 23:47:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PCN.EHZ. 2020-04-30T23:25:50.02 3.0 undecidable manual Sg 14.94 0
IV.MPNC.HHZ. 2020-04-30T23:25:45.50 3.0 undecidable manual Sn -0.02 0
GU.RRL.HHZ. 2020-04-30T23:25:35.89 3.0 undecidable manual Pg 23.65 0
CR.STON.BHZ. 2020-04-30T23:25:26.34 3.0 undecidable manual Sn -0.27 0
AC.VLO.HHZ. 2020-04-30T23:25:20.01 3.0 positive manual Pg 12.16 0
CR.STON.BHZ. 2020-04-30T23:24:50.38 3.0 undecidable manual Pn 4.25 0
IV.ROSPO.HHZ. 2020-04-30T23:24:16.88 3.0 negative manual P -0.07 0
IV.CESI.HHZ. 2020-04-30T23:24:16.31 0.6 undecidable manual S 318 29.6481 95 0.1 48
IV.FDMO.HHZ. 2020-04-30T23:24:15.10 0.6 undecidable manual S 349 26.1516 97 -0.16 48
IV.SMA1.EHE. 2020-04-30T23:24:14.92 0.3 undecidable manual S 142 24.6531 98 0.04 73
IV.MMO1.EHZ. 2020-04-30T23:24:12.96 0.6 undecidable manual S 54 17.871 106 -0.14 49
IV.CESI.HHZ. 2020-04-30T23:24:11.70 1.0 undecidable manual P 318 29.6481 95 -0.12 24
IV.FDMO.HHZ. 2020-04-30T23:24:11.25 0.6 positive manual P 349 26.1516 97 -0.02 49
IV.MC2.EHZ. 2020-04-30T23:24:11.82 0.6 undecidable manual S 16 12.1767 121 0.1 50
IV.MMO1.EHZ. 2020-04-30T23:24:10.00 0.3 positive manual P 54 17.871 106 -0.02 75
IV.NRCA.HHZ. 2020-04-30T23:24:10.22 0.1 undecidable manual S 319 4.1958 157 -0.09 99
IV.SMA1.EHE. 2020-04-30T23:24:10.97 0.1 undecidable manual P 142 24.6531 98 -0.08 98
IV.MC2.EHZ. 2020-04-30T23:24:09.41 0.6 undecidable manual P 16 12.1767 121 0.18 49
IV.NRCA.HHZ. 2020-04-30T23:24:08.54 0.1 undecidable manual P 319 4.1958 157 0.13 100
IV.T1299.EHZ. 2020-04-30T23:24:04.21 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.8 0.00009441842999999999 0.1024 AML other m 2020-04-30T23:24:10.36
IV.NRCA.HHN. ML:1.1 0.00015904409999999998 0.128 AML other m 2020-04-30T23:24:11.63
IV.NRCA.HNE. ML:0.8 0.00009082608 0.4352 AML other m 2020-04-30T23:24:18.15
IV.NRCA.HNN. ML:1.2 0.00020074144999999999 0.9856 AML other m 2020-04-30T23:24:07.56
IV.FDMO.HHE. ML:0.6 0.00001798661 0.1792 AML other m 2020-04-30T23:24:15.79
IV.FDMO.HHN. ML:0.4 0.00001444027 0.256 AML other m 2020-04-30T23:24:15.53
IV.CESI.HNE. ML:1.4 0.00011999089 1.0112 AML other m 2020-04-30T23:24:30.98
IV.CESI.HNN. ML:1.5 0.00014139370000000001 1.472 AML other m 2020-04-30T23:24:26.83
IV.CESI.HHE. ML:0.5 0.0000153379 0.1024 AML other m 2020-04-30T23:24:17.31
IV.CESI.HHN. ML:0.6 0.000018361025000000004 0.1152 AML other m 2020-04-30T23:24:17.49
CR.STON.BHE. ML:2.1 0.000012253055999999998 2.24 AML other m 2020-04-30T23:25:54.86
CR.STON.BHN. ML:2.1 0.000012463455 1.8432 AML other m 2020-04-30T23:25:44.98
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