Earthquake with magnitude of ML 0.1 on date 25-07-2021 and time 15:10:21 (Italy) in region 2 km NW Costacciaro (PG)

A magnitude ML 0.1 earthquake occured in region: 2 km NW Costacciaro (PG), on

  • 25-07-2021 13:10:21 (UTC)
  • 25-07-2021 15:10:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.372, 12.697 at 14 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
Costacciaro PG 2 1216 1216
Scheggia e Pascelupo PG 4 1393 2609
Sigillo PG 6 2404 5013
Gubbio PG 10 32216 37229
Fossato di Vico PG 10 2840 40069
Cantiano PU 13 2245 42314
Serra Sant'Abbondio PU 15 1027 43341
Sassoferrato AN 15 7285 50626
Frontone PU 16 1300 51926
Gualdo Tadino PG 17 15208 67134
Fabriano AN 17 31480 98614
Cagli PU 20 8731 107345

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
46 Km N of Foligno (57155 inhabitants)
59 Km SW of Fano (60888 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
67 Km E of Arezzo (99543 inhabitants)
72 Km W of Ancona (100861 inhabitants)
78 Km S of Rimini (147750 inhabitants)
90 Km N of Terni (111501 inhabitants)
93 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
Bulletin
Rev1000
ML 0.1 2021-07-25
13:10:21
43.3715 12.6967 15 2021-12-29
11:12:17
Bollettino Sismico Italiano INGV 93737241
Reviewed
Rev100
ML 0.1 2021-07-25
13:10:21
43.3682 12.6825 14 2021-07-25
13:30:17
Sala Sismica INGV-Roma 93198391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-25 13:10:21 ± 0.12
Latitude 43.3715 ± 0.0045
Longitude 12.6967 ± 0.0087
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93737241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 656
Semi-minor axis of confidence ellipse (meter) 489
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 660
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
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
Epicentral distance of station farthest from the epicenter (degree) 0.25361
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 93737241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-06 06:15:28

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 93198391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-25 13:30:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NARO.HHN. 2021-07-25T13:10:31.31 0.1 undecidable manual S 341 0.2536 102 0.18 94
IV.CPGN.EHZ. 2021-07-25T13:10:31.26 3.0 undecidable manual P 0.04 0
IV.PIEI.HHZ. 2021-07-25T13:10:29.60 0.1 undecidable manual S 324 0.2014 108 -0.05 97
IV.FRON.EHN. 2021-07-25T13:10:28.22 0.1 undecidable manual S 8 0.1475 119 0.05 99
IV.NARO.HHN. 2021-07-25T13:10:26.80 0.1 undecidable manual P 341 0.2536 102 -0.08 95
IV.ARVD.HHZ. 2021-07-25T13:10:26.89 3.0 positive manual P 0.39 0
IV.ATSC.EHE. 2021-07-25T13:10:26.11 0.1 undecidable manual S 352 0.0531 153 -0.07 99
IV.SSFR.HNE. 2021-07-25T13:10:26.88 0.1 undecidable manual S 44 0.0899 137 0.07 99
IV.FOSV.EHZ. 2021-07-25T13:10:26.76 0.1 undecidable manual S 149 0.0899 137 -0.05 100
IV.FRON.EHN. 2021-07-25T13:10:25.28 0.1 undecidable manual P 8 0.1475 119 0.11 97
IV.ATBU.EHZ. 2021-07-25T13:10:25.32 0.6 undecidable manual P 314 0.1502 118 0.12 48
IV.PIEI.HHZ. 2021-07-25T13:10:25.92 0.1 undecidable manual P 324 0.2014 108 -0.1 96
IV.SSFR.HNE. 2021-07-25T13:10:24.03 0.1 undecidable manual P 44 0.0899 137 -0.35 93
IV.FOSV.EHZ. 2021-07-25T13:10:24.52 0.1 undecidable manual P 149 0.0899 137 0.14 97
IV.ATSC.EHE. 2021-07-25T13:10:24.11 0.1 undecidable manual P 352 0.0531 153 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:-0.1 6.4598185E-6 0.096 AML other m 2021-07-25T13:10:29.67
IV.PIEI.HHE. ML:0.2 1.00028385E-5 0.0832 AML other m 2021-07-25T13:10:29.82
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