Earthquake with magnitude of ML 0.6 on date 15-08-2020 and time 11:56:23 (UTC) in region 3 km SE Sefro (MC)

A magnitude ML 0.6 earthquake occured in region: 3 km SE Sefro (MC), on

  • 15-08-2020 11:56:23 (UTC)
  • 15-08-2020 13:56:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1300, 12.9840 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
Sefro MC 3 422 422
Pioraco MC 6 1134 1556
Serravalle di Chienti MC 7 1070 2626
Camerino MC 7 6974 9600
Muccia MC 7 915 10515
Fiuminata MC 8 1402 11917
Pieve Torina MC 11 1458 13375
Castelraimondo MC 11 4587 17962
Pievebovigliana MC 11 866 18828
Fiordimonte MC 13 202 19030
Esanatoglia MC 14 2034 21064
Gagliole MC 14 620 21684
Matelica MC 14 9981 31665
Monte Cavallo MC 15 145 31810
Nocera Umbra PG 16 5839 37649
Fiastra MC 18 559 38208
Serrapetrona MC 18 966 39174
Acquacanina MC 19 121 39295
San Severino Marche MC 19 12726 52021
Gualdo Tadino PG 20 15208 67229
Caldarola MC 20 1823 69052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
69 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
80 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
93 Km NW of L'Aquila (69753 inhabitants)
97 Km E of Arezzo (99543 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 0.6 2020-08-15
11:56:23
43.1297 12.9835 13 2020-08-15
12:16:04
Sala Sismica INGV-Roma 82010071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 11:56:23 ± 0.07
Latitude 43.1297 ± 0.0036
Longitude 12.9835 ± 0.0049
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 82010071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.29048
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 82010071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 12:16:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HNZ. 2020-08-15T11:56:34.50 0.3 undecidable manual S 32 32.2455 95 0.22 69
IV.FOSV.HNZ. 2020-08-15T11:56:32.52 0.3 undecidable manual S 316 25.6521 97 -0.02 73
IV.FDMO.HHZ. 2020-08-15T11:56:29.14 0.3 undecidable manual S 141 13.3755 117 -0.22 72
IV.SNTG.HHZ. 2020-08-15T11:56:29.37 0.3 undecidable manual S 346 14.3745 114 -0.23 72
IV.CING.HNZ. 2020-08-15T11:56:29.82 0.1 undecidable manual P 32 32.2455 95 0.22 93
IV.ATCC.EHE. 2020-08-15T11:56:29.00 0.1 undecidable manual P 283 28.4493 96 -0.03 97
IV.CESI.HNZ. 2020-08-15T11:56:29.95 0.3 undecidable manual S 205 15.2736 111 0.12 74
IV.FOSV.HNZ. 2020-08-15T11:56:28.50 0.1 undecidable manual P 316 25.6521 97 -0.1 96
IV.CESI.HNZ. 2020-08-15T11:56:27.05 0.1 undecidable manual P 205 15.2736 111 0.02 100
IV.MML1.EHZ. 2020-08-15T11:56:27.51 0.3 undecidable manual S 208 1.998 168 -0.01 76
IV.PF6.EHZ. 2020-08-15T11:56:27.20 0.1 undecidable manual P 87 17.0718 107 -0.1 98
IV.FDMO.HHZ. 2020-08-15T11:56:26.74 0.1 undecidable manual P 141 13.3755 117 -0.03 100
IV.SNTG.HHZ. 2020-08-15T11:56:26.82 0.1 undecidable manual P 346 14.3745 114 -0.08 99
IV.MML1.EHZ. 2020-08-15T11:56:25.90 0.1 undecidable manual P 208 1.998 168 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.0 0.000031374785 0.1408 AML other m 2020-08-15T11:56:29.50
IV.FDMO.HHE. ML:0.0 0.000027101390000000004 0.1984 AML other m 2020-08-15T11:56:29.56
IV.SNTG.HHE. ML:0.0 0.00003556612 0.1536 AML other m 2020-08-15T11:56:29.54
IV.SNTG.HHN. ML:0.0 0.000045499365 0.1408 AML other m 2020-08-15T11:56:29.48
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