Earthquake with magnitude of ML 1.2 on date 25-03-2020 and time 14:54:24 (UTC) in region 9 km S Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 9 km S Norcia (PG), on

  • 25-03-2020 14:54:24 (UTC)
  • 25-03-2020 15:54:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7160, 13.1260 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 9 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 10 667 8841
Cittareale RI 11 482 9323
Arquata del Tronto AP 15 1178 10501
Poggiodomo PG 16 117 10618
Monteleone di Spoleto PG 16 599 11217
Amatrice RI 16 2657 13874
Preci PG 20 724 14598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Terni (111501 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
48 Km W of Teramo (54892 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
93 Km W of Pescara (121014 inhabitants)
95 Km W of Chieti (51815 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 2020-03-25
14:54:24
42.7157 13.1258 13 2020-03-25
15:01:48
Sala Sismica INGV-Roma 77564111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 14:54:24 ± 0.08
Latitude 42.7157 ± 0.0036
Longitude 13.1258 ± 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 77564111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 399
Semi-minor axis of confidence ellipse (meter) 46
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36333
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77564111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 15:01:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-03-25T14:54:37.49 0.3 undecidable manual S 105 40.3263 94 -0.21 68
IV.MMO1.EHE. 2020-03-25T14:54:34.04 0.3 undecidable manual S 39 26.1516 98 0.11 71
IV.RM33.EHN. 2020-03-25T14:54:33.08 0.6 undecidable manual S 162 24.0537 100 -0.29 45
IV.MTRA.EHE. 2020-03-25T14:54:32.75 0.3 undecidable manual S 78 22.5552 101 -0.22 71
IV.SMA1.EHN. 2020-03-25T14:54:32.59 0.3 undecidable manual S 119 19.4694 105 0.4 69
IV.T1299.EHE. 2020-03-25T14:54:31.28 0.3 undecidable manual S 125 15.5733 113 0.07 74
IV.CESI.HHZ. 2020-03-25T14:54:31.64 3.0 undecidable manual P 0 0
IV.TERO.HHZ. 2020-03-25T14:54:31.97 0.3 undecidable manual P 105 40.3263 94 -0.13 69
IV.MMO1.EHE. 2020-03-25T14:54:30.08 0.3 undecidable manual P 39 26.1516 98 0.16 71
IV.NRCA.HHZ. 2020-03-25T14:54:30.39 0.3 undecidable manual S 356 13.0758 120 -0.22 72
IV.LNSS.HHZ. 2020-03-25T14:54:30.79 0.6 undecidable manual S 209 14.3745 116 -0.1 48
IV.RM33.EHN. 2020-03-25T14:54:29.44 0.6 undecidable manual P 162 24.0537 100 -0.16 47
IV.MTRA.EHE. 2020-03-25T14:54:29.35 0.3 undecidable manual P 78 22.5552 101 -0.02 73
IV.SMA1.EHN. 2020-03-25T14:54:29.04 0.3 undecidable manual P 119 19.4694 105 0.12 73
IV.LNSS.HHZ. 2020-03-25T14:54:28.20 0.1 undecidable manual P 209 14.3745 116 0.03 99
IV.T1299.EHE. 2020-03-25T14:54:28.49 0.1 undecidable manual P 125 15.5733 113 0.13 98
IV.NRCA.HHZ. 2020-03-25T14:54:28.03 0.1 negative manual P 356 13.0758 120 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.00020793675 0.0832 AML other m 2020-03-25T14:54:30.53
IV.NRCA.HNN. ML:1.4 0.0002220568 0.5312 AML other m 2020-03-25T14:54:30.16
IV.NRCA.HNE. ML:1.0 0.00009659890500000001 0.0704 AML other m 2020-03-25T14:54:30.78
IV.NRCA.HHE. ML:1.0 0.00009809593 0.0832 AML other m 2020-03-25T14:54:30.79
IV.LNSS.HHE. ML:1.0 0.00008760584 0.1152 AML other m 2020-03-25T14:54:30.98
IV.LNSS.HNN. ML:1.2 0.0001362546685 0.6592 AML other m 2020-03-25T14:54:36.55
IV.LNSS.HHN. ML:0.9 0.00006874812 0.1216 AML other m 2020-03-25T14:54:31.30
IV.LNSS.HNE. ML:1.1 0.00009987118 0.4032 AML other m 2020-03-25T14:54:33.56
IV.CESI.HHN. ML:1.2 0.00005618389 1.4208 AML other m 2020-03-25T14:54:50.87
IV.CESI.HNN. ML:1.7 0.00018244280000000003 0.8384 AML other m 2020-03-25T14:54:46.22
IV.CESI.HHE. ML:1.0 0.000042056185 1.1648 AML other m 2020-03-25T14:54:36.32
IV.CESI.HNE. ML:1.4 0.00010453215999999998 0.6976 AML other m 2020-03-25T14:54:43.23
IV.TERO.HHE. ML:0.8 0.000018676054999999996 1.1392 AML other m 2020-03-25T14:54:31.85
IV.TERO.HNE. ML:1.5 0.000114750425 0.7168 AML other m 2020-03-25T14:54:42.90
IV.TERO.HNN. ML:1.7 0.000168387815 0.8 AML other m 2020-03-25T14:54:46.55
IV.TERO.HHN. ML:1.7 0.0001806004 1.2544 AML other m 2020-03-25T14:54:48.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download