Earthquake with magnitude of ML 1.1 on date 01-10-2020 and time 03:35:14 (Italy) in region 1 km E Preci (PG)

A magnitude ML 1.1 earthquake occured in region: 1 km E Preci (PG), on

  • 01-10-2020 01:35:14 (UTC)
  • 01-10-2020 03:35:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8800, 13.0470 at 11 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
Preci PG 1 724 724
Visso MC 7 1107 1831
Castelsantangelo sul Nera MC 9 281 2112
Sellano PG 10 1079 3191
Norcia PG 10 4957 8148
Ussita MC 10 444 8592
Cerreto di Spoleto PG 13 1075 9667
Monte Cavallo MC 13 145 9812
Fiordimonte MC 18 202 10014
Cascia PG 18 3217 13231
Pieve Torina MC 18 1458 14689
Vallo di Nera PG 19 364 15053
Bolognola MC 20 142 15195
Fiastra MC 20 559 15754
Acquacanina MC 20 121 15875

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
59 Km W of Teramo (54892 inhabitants)
59 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
99 Km W of Montesilvano (53738 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 1.1 2020-10-01
01:35:14
42.8798 13.0472 11 2020-10-01
02:22:10
Sala Sismica INGV-Roma 83406751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-01 01:35:14 ± 0.04
Latitude 42.8798 ± 0.0027
Longitude 13.0472 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83406751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35793
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 83406751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 02:22:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2020-10-01T01:35:26.38 3.0 negative manual Pg 0.27 0
IV.LNSS.HHE. 2020-10-01T01:35:25.48 0.1 undecidable manual S 181 30.747 50 0.02 96
IV.MML1.HNN. 2020-10-01T01:35:24.19 0.1 undecidable manual S 347 26.6511 50 -0.17 94
IV.CSP1.EHZ. 2020-10-01T01:35:24.55 0.1 undecidable manual S 29 26.751 50 0.15 94
IV.GAVE.EHZ. 2020-10-01T01:35:23.64 0.1 undecidable manual S 211 24.2535 50 -0.09 96
IV.MMO1.EHZ. 2020-10-01T01:35:23.14 0.1 undecidable manual S 85 22.8549 50 -0.21 94
IV.MOMA.HHN. 2020-10-01T01:35:22.74 0.3 undecidable manual P 258 39.7269 50 0.43 65
IV.SMA1.EHZ. 2020-10-01T01:35:22.08 0.1 undecidable manual P 140 36.3414 50 0.3 90
IV.SACS.HHZ. 2020-10-01T01:35:22.51 3.0 undecidable manual P -0.81 0
IV.FDMO.HHZ. 2020-10-01T01:35:21.79 0.3 undecidable manual S 11 17.6712 121 -0.12 72
IV.ASSB.HHE. 2020-10-01T01:35:21.69 0.3 undecidable manual P 300 36.3414 50 -0.1 70
IV.CESI.HHZ. 2020-10-01T01:35:21.95 0.1 undecidable manual S 320 18.0708 121 -0.07 97
IV.MC2.EHZ. 2020-10-01T01:35:20.48 0.1 undecidable manual S 73 12.0768 132 0.14 97
IT.MTCL.HGE. 2020-10-01T01:35:20.38 0.1 undecidable manual S 343 13.1757 129 -0.26 94
IV.CSP1.EHZ. 2020-10-01T01:35:20.33 0.6 undecidable manual P 29 26.751 50 0.01 48
IV.MML1.HNN. 2020-10-01T01:35:20.30 0.3 undecidable manual P 347 26.6511 50 0.01 73
IV.MTRA.HNE. 2020-10-01T01:35:20.83 0.6 undecidable manual P 116 31.5462 50 -0.22 46
IV.LNSS.HHE. 2020-10-01T01:35:20.75 0.1 undecidable manual P 181 30.747 50 -0.18 93
IV.MMO1.EHZ. 2020-10-01T01:35:19.67 1.0 negative manual P 85 22.8549 50 -0.04 24
IV.GAVE.EHZ. 2020-10-01T01:35:19.90 1.0 positive manual P 211 24.2535 50 -0.03 24
IV.FEMA.HNE. 2020-10-01T01:35:19.62 0.1 undecidable manual S 1 9.0798 140 0 100
IV.CESI.HHZ. 2020-10-01T01:35:19.06 0.6 positive manual P 320 18.0708 121 0.12 48
IV.MC2.EHZ. 2020-10-01T01:35:18.18 0.3 positive manual P 73 12.0768 132 0.21 71
IT.MTCL.HGE. 2020-10-01T01:35:18.30 0.1 undecidable manual P 343 13.1757 129 0.16 96
IV.FDMO.HHZ. 2020-10-01T01:35:18.85 0.1 undecidable manual P 11 17.6712 121 -0.03 98
IV.NRCA.HHZ. 2020-10-01T01:35:18.99 0.1 undecidable manual S 133 7.4814 145 -0.29 94
IV.NRCA.HHZ. 2020-10-01T01:35:17.40 0.6 undecidable manual P 133 7.4814 145 0.04 50
IV.FEMA.HNE. 2020-10-01T01:35:17.97 0.3 undecidable manual P 1 9.0798 140 0.41 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.0001601296 0.08 AML other m 2020-10-01T01:35:19.71
IV.NRCA.HHN. ML:1.2 0.00021974805 0.08 AML other m 2020-10-01T01:35:19.03
IV.NRCA.HNE. ML:1.0 0.0001331292 0.0904 AML other m 2020-10-01T01:35:19.67
IV.NRCA.HNN. ML:1.2 0.00020248082 0.0904 AML other m 2020-10-01T01:35:19.03
IV.FDMO.HHE. ML:0.9 0.00006619652000000001 0.18 AML other m 2020-10-01T01:35:22.39
IV.CESI.HHN. ML:1.1 0.00009505428 0.1 AML other m 2020-10-01T01:35:22.52
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