Earthquake with magnitude of ML 0.4 on date 20-03-2020 and time 20:57:56 (Italy) in region 3 km E Costacciaro (PG)

A magnitude ML 0.4 earthquake occured in region: 3 km E Costacciaro (PG), on

  • 20-03-2020 19:57:56 (UTC)
  • 20-03-2020 20:57:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.37, 12.75 at 13 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
Costacciaro PG 3 1216 1216
Sigillo PG 4 2404 3620
Scheggia e Pascelupo PG 8 1393 5013
Fossato di Vico PG 8 2840 7853
Sassoferrato AN 12 7285 15138
Fabriano AN 13 31480 46618
Serra Sant'Abbondio PU 14 1027 47645
Gubbio PG 14 32216 79861
Gualdo Tadino PG 15 15208 95069
Cantiano PU 16 2245 97314
Genga AN 16 1797 99111
Frontone PU 17 1300 100411
Cerreto d'Esi AN 20 3817 104228

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Perugia (166134 inhabitants)
46 Km N of Foligno (57155 inhabitants)
57 Km SW of Fano (60888 inhabitants)
62 Km S of Pesaro (94582 inhabitants)
68 Km W of Ancona (100861 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
79 Km S of Rimini (147750 inhabitants)
90 Km N of Terni (111501 inhabitants)
95 Km SE of Cesena (96758 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 0.4 2020-03-20
19:57:56
43.37 12.75 13 2020-03-21
07:44:16
Sala Sismica INGV-Roma 77431511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-20 19:57:56 ± 0.06
Latitude 43.37 ± 0.00
Longitude 12.75 ± 0.00
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77431511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 310
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.27429
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 77431511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-21 07:44:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-03-20T19:58:07.00 0.3 undecidable manual S 333 0.2743 95 0 73
IV.ATCC.EHZ. 2020-03-20T19:58:05.00 0.3 undecidable manual S 204 0.1988 100 0.2 70
IV.PIEI.HHZ. 2020-03-20T19:58:05.62 0.3 undecidable manual S 317 0.2311 97 -0.13 72
IV.ARVD.HHZ. 2020-03-20T19:58:04.61 0.3 undecidable manual S 46 0.1898 101 0.09 73
IV.SNTG.HHZ. 2020-03-20T19:58:04.05 0.3 undecidable manual S 129 0.1763 103 -0.08 73
IV.FRON.EHZ. 2020-03-20T19:58:03.41 0.3 undecidable manual S 353 0.152 108 -0.04 74
IV.NARO.HHZ. 2020-03-20T19:58:02.48 0.1 undecidable manual P 333 0.2743 95 -0.05 96
IV.ATCC.EHZ. 2020-03-20T19:58:01.28 0.1 undecidable manual P 204 0.1988 100 0.03 97
IV.PIEI.HHZ. 2020-03-20T19:58:01.63 0.1 undecidable manual P 317 0.2311 97 -0.16 95
IV.SSFR.HNZ. 2020-03-20T19:58:01.54 0.3 undecidable manual S 17 0.0728 138 0.07 75
IV.ATSC.EHZ. 2020-03-20T19:58:01.47 0.3 undecidable manual S 320 0.0746 137 -0.04 75
IV.ARVD.HHZ. 2020-03-20T19:58:01.12 0.1 undecidable manual P 46 0.1898 101 0.03 98
IV.FOSV.EHZ. 2020-03-20T19:58:01.34 0.3 undecidable manual S 175 0.0719 139 -0.11 74
IV.SNTG.HHZ. 2020-03-20T19:58:00.49 0.6 undecidable manual P 129 0.1763 103 -0.37 46
IV.FRON.EHZ. 2020-03-20T19:58:00.46 0.1 undecidable manual P 353 0.152 108 -0.01 99
IV.ATSC.EHZ. 2020-03-20T19:57:59.48 0.1 undecidable manual P 320 0.0746 137 0.12 98
IV.FOSV.EHZ. 2020-03-20T19:57:59.35 0.1 undecidable manual P 175 0.0719 139 0.04 100
IV.SSFR.HNZ. 2020-03-20T19:57:59.44 0.1 undecidable manual P 17 0.0728 138 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.5 3.41E-5 0.08 AML other m 2020-03-20T19:58:01.59
IV.FOSV.EHE. ML:0.2 2.132E-5 0.08 AML other m 2020-03-20T19:58:01.64
IV.FRON.EHN. ML:0.4 2.115E-5 0.1 AML other m 2020-03-20T19:58:03.71
IV.FRON.EHE. ML:0.6 2.8E-5 0.16 AML other m 2020-03-20T19:58:03.74
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download