Earthquake with magnitude of ML 0.7 on date 19-08-2020 and time 02:44:52 (UTC) in region 8 km W Nocera Umbra (PG)

A magnitude ML 0.7 earthquake occured in region: 8 km W Nocera Umbra (PG), on

  • 19-08-2020 02:44:52 (UTC)
  • 19-08-2020 04:44:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1450, 12.7010 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 8 5839 5839
Valfabbrica PG 8 3389 9228
Valtopina PG 10 1398 10626
Assisi PG 11 28299 38925
Gualdo Tadino PG 12 15208 54133
Bastia Umbra PG 15 21874 76007
Spello PG 17 8645 84652
Fossato di Vico PG 17 2840 87492
Cannara PG 19 4305 91797
Fiuminata MC 19 1402 93199

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Foligno (57155 inhabitants)
26 Km E of Perugia (166134 inhabitants)
65 Km N of Terni (111501 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
82 Km SW of Fano (60888 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
98 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
Bulletin
Rev1000
ML 0.7 2020-08-19
02:44:52
43.1452 12.7012 10 2020-11-19
12:36:59
Bollettino Sismico Italiano INGV 82617101
Reviewed
Rev100
ML 0.7 2020-08-19
02:44:52
43.141 12.6903 11 2020-08-19
02:56:51
Sala Sismica INGV-Roma 82134311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-19 02:44:52 ± 0.04
Latitude 43.1452 ± 0.0027
Longitude 12.7012 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82617101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 136
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.48923
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82134311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-19 02:56:51

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82617101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-04 11:13:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-08-19T02:45:04.01 0.3 undecidable manual S 111 33.5442 50 0.1 73
IV.ATSC.EHE. 2020-08-19T02:45:03.01 0.3 undecidable manual S 358 30.9468 50 -0.22 71
IV.MGAB.HHZ. 2020-08-19T02:45:02.66 0.6 undecidable manual P 242 54.3012 50 0.43 44
IV.ATFO.HHZ. 2020-08-19T02:45:02.12 0.3 undecidable manual S 337 26.751 50 0.03 75
IV.ARVD.HHE. 2020-08-19T02:45:00.55 0.3 undecidable manual P 26 43.7229 50 -0.05 72
IV.FRON.EHZ. 2020-08-19T02:45:00.32 0.6 undecidable manual P 3 41.4252 50 0.08 48
IV.MML1.HNZ. 2020-08-19T02:45:00.86 0.3 undecidable manual S 99 22.1556 115 0 76
IV.CESI.HNE. 2020-08-19T02:45:00.98 0.3 undecidable manual S 133 22.6551 50 -0.03 76
IV.FOSV.EHZ. 2020-08-19T02:44:59.46 0.3 undecidable manual S 16 17.2716 121 0.09 75
IV.MURB.HHZ. 2020-08-19T02:44:59.94 0.3 undecidable manual S 313 19.3695 118 -0.05 76
IV.EL6.EHE. 2020-08-19T02:44:59.91 0.3 undecidable manual P 58 38.2284 50 0.15 72
IV.ATSC.EHE. 2020-08-19T02:44:58.51 0.3 undecidable manual P 358 30.9468 50 -0.12 73
IV.SSFR.HHN. 2020-08-19T02:44:58.91 0.6 undecidable manual P 11 32.9448 50 -0.03 49
IV.ATFO.HHZ. 2020-08-19T02:44:58.00 0.6 undecidable manual P 337 26.751 50 0.02 50
IV.FDMO.HHZ. 2020-08-19T02:44:58.88 0.3 undecidable manual P 111 33.5442 50 -0.15 72
IV.MML1.HNZ. 2020-08-19T02:44:57.21 0.3 undecidable manual P 99 22.1556 115 -0.06 75
IV.ASSB.HHZ. 2020-08-19T02:44:57.56 0.3 undecidable manual S 197 11.877 131 -0.28 73
IV.CESI.HNE. 2020-08-19T02:44:57.53 0.1 undecidable manual P 133 22.6551 50 0.17 98
IV.MURB.HHZ. 2020-08-19T02:44:56.70 0.3 undecidable manual P 313 19.3695 118 -0.06 75
IV.FOSV.EHZ. 2020-08-19T02:44:56.25 0.3 undecidable manual P 16 17.2716 121 -0.16 74
IV.ATCC.EHZ. 2020-08-19T02:44:56.76 0.3 undecidable manual S 312 6.6933 147 0.11 76
IV.ATCC.EHZ. 2020-08-19T02:44:55.02 0.1 undecidable manual P 312 6.6933 147 0.18 100
IV.ASSB.HHZ. 2020-08-19T02:44:55.46 0.3 undecidable manual P 197 11.877 131 -0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:0.9 0.00011405 0.34 AML other m 2020-08-19T02:44:57.22
IV.ATCC.EHE. ML:1.0 0.000133 0.36 AML other m 2020-08-19T02:44:57.05
IV.ASSB.HHN. ML:0.8 0.00006925 0.2 AML other m 2020-08-19T02:44:57.74
IV.ASSB.HHE. ML:0.7 0.000055249999999999994 0.18 AML other m 2020-08-19T02:44:57.74
IV.FOSV.EHE. ML:0.5 0.0000241 0.2 AML other m 2020-08-19T02:44:59.75
IV.FOSV.EHN. ML:0.4 0.0000223 0.2 AML other m 2020-08-19T02:44:59.85
IV.MURB.HHN. ML:0.6 0.00003015 1.32 AML other m 2020-08-19T02:45:02.19
IV.MURB.HHE. ML:0.7 0.00004045 0.42 AML other m 2020-08-19T02:45:04.49
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