Earthquake with magnitude of ML 1.2 on date 26-07-2020 and time 00:11:06 (Italy) in region 8 km SE Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 8 km SE Norcia (PG), on

  • 25-07-2020 22:11:06 (UTC)
  • 26-07-2020 00:11:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7400, 13.1650 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
Norcia PG 8 4957 4957
Accumoli RI 8 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 13 3217 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Montegallo AP 18 523 13962
Preci PG 19 724 14686
Poggiodomo PG 19 117 14803
Monteleone di Spoleto PG 20 599 15402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Pescara (121014 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
93 Km W of Chieti (51815 inhabitants)
94 Km E of Viterbo (67173 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 2020-07-25
22:11:06
42.7397 13.1648 10 2020-07-25
22:17:36
Sala Sismica INGV-Roma 81345961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-25 22:11:06 ± 0.06
Latitude 42.7397 ± 0.0036
Longitude 13.1648 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81345961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
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 81345961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-25 22:17:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-07-25T22:11:23.09 0.6 undecidable manual S 279 48.9177 50 0.44 43
IV.FIAM.HHZ. 2020-07-25T22:11:21.70 3.0 undecidable manual S -2.47 0
IV.TERO.HHZ. 2020-07-25T22:11:19.41 0.6 undecidable manual S 110 38.1285 50 -0.34 45
IV.GAVE.EHZ. 2020-07-25T22:11:15.20 0.6 undecidable manual S 257 22.6551 113 -0.23 48
IV.MOMA.HHZ. 2020-07-25T22:11:15.92 0.1 undecidable manual P 279 48.9177 50 -0.05 95
IV.MMO1.EHZ. 2020-07-25T22:11:15.14 0.6 undecidable manual S 37 22.0668 114 -0.1 49
IV.MF5.EHZ. 2020-07-25T22:11:14.52 0.6 negative manual P 41 36.5412 50 0.47 44
IV.SMA1.EHZ. 2020-07-25T22:11:14.29 0.6 undecidable manual S 131 18.4704 118 0.18 49
IV.MC2.EHZ. 2020-07-25T22:11:14.42 0.6 undecidable manual S 6 19.1697 117 0.1 49
IV.CSP1.EHZ. 2020-07-25T22:11:14.24 0.1 undecidable manual P 5 39.2274 50 -0.23 93
IV.TERO.HHZ. 2020-07-25T22:11:14.24 0.3 undecidable manual P 110 38.1285 50 -0.06 72
IV.ARRO.EHZ. 2020-07-25T22:11:14.28 1.0 negative manual P 241 37.1295 50 0.13 24
IV.MTRA.EHZ. 2020-07-25T22:11:14.23 0.6 undecidable manual S 84 18.9699 117 -0.04 50
IV.GAVE.EHZ. 2020-07-25T22:11:11.65 0.3 positive manual P 257 22.6551 113 -0.16 73
IV.MTRA.EHZ. 2020-07-25T22:11:11.16 0.6 negative manual P 84 18.9699 117 0.02 50
IV.MMO1.EHZ. 2020-07-25T22:11:11.65 0.6 negative manual P 37 22.0668 114 -0.05 50
IV.SMA1.EHZ. 2020-07-25T22:11:11.26 0.6 positive manual P 131 18.4704 118 0.22 48
IV.NRCA.HHZ. 2020-07-25T22:11:11.91 0.6 undecidable manual S 338 11.1777 131 -0.12 50
IV.MC2.EHZ. 2020-07-25T22:11:11.32 1.0 undecidable manual P 6 19.1697 117 0.16 24
IV.NRCA.HHZ. 2020-07-25T22:11:09.94 0.1 negative manual P 338 11.1777 131 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.00047650000000000004 1.9 AML other m 2020-07-25T22:11:12.04
IV.NRCA.HHE. ML:1.6 0.0004505 0.12 AML other m 2020-07-25T22:11:12.21
IV.MTRA.EHE. ML:1.3 0.000144 0.34 AML other m 2020-07-25T22:11:14.33
IV.MTRA.EHN. ML:1.1 0.00010345 0.32 AML other m 2020-07-25T22:11:14.68
IV.SMA1.EHE. ML:1.2 0.000123 0.24 AML other m 2020-07-25T22:11:15.38
IV.GAVE.EHN. ML:1.1 0.0000737 0.32 AML other m 2020-07-25T22:11:16.27
IV.SMA1.EHN. ML:0.9 0.0000658 1.56 AML other m 2020-07-25T22:11:16.18
IV.GAVE.EHE. ML:1.2 0.0001028 0.44 AML other m 2020-07-25T22:11:16.71
IV.TERO.HHE. ML:1.0 0.00003765 0.46 AML other m 2020-07-25T22:11:19.54
IV.TERO.HHN. ML:1.0 0.0000424 1.08 AML other m 2020-07-25T22:11:20.59
IV.MOMA.HHE. ML:1.4 0.0000753 1.78 AML other m 2020-07-25T22:11:24.08
IV.MOMA.HHN. ML:1.2 0.00004725 0.2 AML other m 2020-07-25T22:11:24.33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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