Earthquake with magnitude of ML 0.9 on date 12-08-2020 and time 23:57:05 (UTC) in region 5 km SE Preci (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km SE Preci (PG), on

  • 12-08-2020 23:57:05 (UTC)
  • 13-08-2020 01:57:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8420, 13.0600 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
Preci PG 5 724 724
Norcia PG 6 4957 5681
Castelsantangelo sul Nera MC 10 281 5962
Visso MC 10 1107 7069
Cerreto di Spoleto PG 12 1075 8144
Sellano PG 12 1079 9223
Ussita MC 13 444 9667
Cascia PG 14 3217 12884
Monte Cavallo MC 18 145 13029
Poggiodomo PG 18 117 13146
Vallo di Nera PG 18 364 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
62 Km E of Perugia (166134 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N 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 0.9 2020-08-12
23:57:05
42.8418 13.0597 10 2020-08-13
00:03:26
Sala Sismica INGV-Roma 81924441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-12 23:57:05 ± 0.08
Latitude 42.8418 ± 0.0045
Longitude 13.0597 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81924441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45596
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 81924441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-13 00:03:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2020-08-12T23:58:14.09 3.0 undecidable manual Sn 0.45 0
IV.ROSPO.HHZ. 2020-08-12T23:57:56.24 3.0 undecidable manual S 2.84 0
IV.RNI2.HHZ. 2020-08-12T23:57:50.54 3.0 undecidable manual S -0.08 0
GU.POPM.HHZ. 2020-08-12T23:57:39.06 3.0 negative manual Pn -1.03 0
IV.FIR.HHZ. 2020-08-12T23:57:37.83 3.0 undecidable manual Pg 3.92 0
IV.TERO.HHZ. 2020-08-12T23:57:21.76 0.6 undecidable manual S 119 50.616 50 -0.37 45
IV.RM33.EHZ. 2020-08-12T23:57:19.36 0.6 undecidable manual S 161 39.0276 50 0.31 47
IV.MF5.EHZ. 2020-08-12T23:57:19.06 0.6 undecidable manual S 63 36.3414 50 0.74 41
IV.MOMA.HHZ. 2020-08-12T23:57:19.76 0.3 undecidable manual S 264 40.0266 50 0.44 68
IV.ASSB.HHZ. 2020-08-12T23:57:19.04 0.6 undecidable manual S 305 39.4272 50 -0.12 49
IV.ARRO.EHZ. 2020-08-12T23:57:18.48 0.3 undecidable manual S 220 37.7289 50 -0.22 72
IV.SMA1.EHZ. 2020-08-12T23:57:17.07 0.6 undecidable manual S 136 32.4453 50 -0.23 48
IV.TERO.HHZ. 2020-08-12T23:57:14.89 0.1 undecidable manual P 119 50.616 50 -0.38 90
IV.CESI.HHZ. 2020-08-12T23:57:14.06 0.6 undecidable manual S 325 22.0668 114 -0.22 49
IV.GAVE.EHZ. 2020-08-12T23:57:14.14 0.6 undecidable manual S 219 21.3675 115 0.06 51
IV.ASSB.HHZ. 2020-08-12T23:57:13.33 0.1 negative manual P 305 39.4272 50 -0.23 95
IV.ARRO.EHZ. 2020-08-12T23:57:13.39 1.0 undecidable manual P 220 37.7289 50 0.1 25
IV.FDMO.HHZ. 2020-08-12T23:57:13.85 0.6 undecidable manual S 6 21.6672 114 -0.33 48
IV.RM33.EHZ. 2020-08-12T23:57:13.66 1.0 undecidable manual P 161 39.0276 50 0.16 24
IV.MOMA.HHZ. 2020-08-12T23:57:13.89 0.1 undecidable manual P 264 40.0266 50 0.24 95
IV.MF5.EHZ. 2020-08-12T23:57:13.15 0.1 undecidable manual P 63 36.3414 50 0.07 99
IV.SMA1.EHZ. 2020-08-12T23:57:12.31 0.6 undecidable manual P 136 32.4453 50 -0.17 49
IV.MC2.EHZ. 2020-08-12T23:57:11.91 0.6 undecidable manual S 54 13.0758 127 0.32 49
IV.CESI.HHZ. 2020-08-12T23:57:10.71 0.3 positive manual P 325 22.0668 114 -0.03 77
IV.GAVE.EHZ. 2020-08-12T23:57:10.80 1.0 negative manual P 219 21.3675 115 0.17 25
IV.FDMO.HHZ. 2020-08-12T23:57:10.51 0.6 undecidable manual P 6 21.6672 114 -0.18 50
IV.MC2.EHZ. 2020-08-12T23:57:09.40 0.1 positive manual P 54 13.0758 127 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.9 0.00004835 0.28 AML other m 2020-08-12T23:57:14.02
IV.CESI.HHE. ML:0.9 0.0000504 0.16 AML other m 2020-08-12T23:57:14.23
IV.CESI.HHN. ML:1.3 0.000126 0.34 AML other m 2020-08-12T23:57:14.32
IV.FDMO.HHE. ML:1.1 0.00007845 0.22 AML other m 2020-08-12T23:57:14.34
IV.GAVE.EHE. ML:1.6 0.000266 0.24 AML other m 2020-08-12T23:57:14.77
IV.GAVE.EHN. ML:1.3 0.0001505 0.3 AML other m 2020-08-12T23:57:14.58
IV.SMA1.EHN. ML:0.8 0.000022850000000000003 0.36 AML other m 2020-08-12T23:57:18.28
IV.ARRO.EHN. ML:0.6 0.00001675 1.24 AML other m 2020-08-12T23:57:19.12
IV.ARRO.EHE. ML:0.8 0.00002675 0.78 AML other m 2020-08-12T23:57:19.21
IV.ASSB.HHN. ML:0.8 0.000023100000000000002 0.34 AML other m 2020-08-12T23:57:19.31
IV.ASSB.HHE. ML:0.9 0.000029999999999999997 0.14 AML other m 2020-08-12T23:57:20.24
IV.MOMA.HHE. ML:0.9 0.0000318 1.24 AML other m 2020-08-12T23:57:20.09
IV.RM33.EHN. ML:0.6 0.000015335 0.72 AML other m 2020-08-12T23:57:21.34
IV.RM33.EHE. ML:0.6 0.000014350000000000002 0.54 AML other m 2020-08-12T23:57:21.38
IV.MOMA.HHN. ML:0.9 0.00002355 1.06 AML other m 2020-08-12T23:57:21.76
IV.TERO.HHE. ML:0.8 0.000015100000000000001 0.08 AML other m 2020-08-12T23:57:22.71
IV.SMA1.EHE. ML:0.8 0.00002605 0.36 AML other m 2020-08-12T23:57:23.45
IV.TERO.HHN. ML:0.9 0.000019050000000000002 0.8 AML other m 2020-08-12T23:57:23.84
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