Earthquake with magnitude of ML 0.7 on date 30-07-2020 and time 01:01:15 (UTC) in region 6 km W Nocera Umbra (PG)

A magnitude ML 0.7 earthquake occured in region: 6 km W Nocera Umbra (PG), on

  • 30-07-2020 01:01:15 (UTC)
  • 30-07-2020 03:01:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1270, 12.7220 at 9 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
Nocera Umbra PG 6 5839 5839
Valtopina PG 8 1398 7237
Valfabbrica PG 10 3389 10626
Assisi PG 11 28299 38925
Gualdo Tadino PG 13 15208 54133
Spello PG 15 8645 62778
Bastia Umbra PG 16 21874 84652
Fiuminata MC 18 1402 86054
Cannara PG 18 4305 90359
Sefro MC 19 422 90781
Fossato di Vico PG 19 2840 93621
Foligno PG 19 57155 150776
Serravalle di Chienti MC 20 1070 151846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Foligno (57155 inhabitants)
27 Km E of Perugia (166134 inhabitants)
63 Km N of Terni (111501 inhabitants)
78 Km E of Arezzo (99543 inhabitants)
83 Km SW of Fano (60888 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
96 Km NW of Teramo (54892 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 0.7 2020-07-30
01:01:15
43.1273 12.722 9 2020-07-30
01:14:33
Sala Sismica INGV-Roma 81469461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-30 01:01:15 ± 0.05
Latitude 43.1273 ± 0.0027
Longitude 12.7220 ± 0.0074
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81469461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 564
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 81469461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-30 01:14:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-07-30T01:02:06.49 3.0 undecidable manual Sn 0.57 0
IV.RONT.HHZ. 2020-07-30T01:01:39.12 3.0 positive manual P 0.76 0
IV.FRON.EHZ. 2020-07-30T01:01:30.13 0.1 undecidable manual S 0 43.3233 50 0.17 93
IV.FDMO.HHZ. 2020-07-30T01:01:26.68 0.1 undecidable manual S 109 31.2465 50 -0.06 97
IV.FRON.EHZ. 2020-07-30T01:01:23.55 0.3 undecidable manual P 0 43.3233 50 -0.31 67
IV.FDMO.HHZ. 2020-07-30T01:01:22.06 0.3 undecidable manual P 109 31.2465 50 0.05 73
IV.FOSV.EHZ. 2020-07-30T01:01:22.78 0.1 undecidable manual S 10 18.87 116 -0.04 99
IV.ARRO.EHZ. 2020-07-30T01:01:20.62 3.0 negative manual P -0.13 0
IV.MURB.HHZ. 2020-07-30T01:01:20.21 0.1 undecidable manual P 313 21.9669 113 -0.09 98
IV.ASSB.HHZ. 2020-07-30T01:01:20.37 0.1 undecidable manual S 209 10.6782 131 -0.07 100
IV.FOSV.EHZ. 2020-07-30T01:01:19.82 0.1 undecidable manual P 10 18.87 116 0.08 98
IV.ATCC.EHZ. 2020-07-30T01:01:19.98 0.3 undecidable manual S 314 9.2796 135 -0.09 75
IV.ATCC.EHZ. 2020-07-30T01:01:18.27 0.1 undecidable manual P 314 9.2796 135 0.12 99
IV.ASSB.HHZ. 2020-07-30T01:01:18.52 0.1 undecidable manual P 209 10.6782 131 0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.8 0.00007755 0.6 AML other m 2020-07-30T01:01:20.11
IV.ATCC.EHN. ML:0.8 0.0000837 0.28 AML other m 2020-07-30T01:01:20.11
IV.ASSB.HHE. ML:0.8 0.00007744999999999999 0.22 AML other m 2020-07-30T01:01:20.65
IV.ASSB.HHN. ML:0.6 0.000046299999999999994 0.76 AML other m 2020-07-30T01:01:21.34
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