Earthquake with magnitude of ML 0.7 on date 18-04-2021 and time 03:37:33 (Italy) in region 3 km NW Costacciaro (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km NW Costacciaro (PG), on

  • 18-04-2021 01:37:33 (UTC)
  • 18-04-2021 03:37:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3730, 12.6830 at 13 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 3 1216 1216
Scheggia e Pascelupo PG 4 1393 2609
Sigillo PG 7 2404 5013
Gubbio PG 9 32216 37229
Fossato di Vico PG 11 2840 40069
Cantiano PU 12 2245 42314
Serra Sant'Abbondio PU 15 1027 43341
Sassoferrato AN 16 7285 50626
Frontone PU 17 1300 51926
Gualdo Tadino PG 18 15208 67134
Fabriano AN 18 31480 98614
Cagli PU 20 8731 107345

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Perugia (166134 inhabitants)
46 Km N of Foligno (57155 inhabitants)
59 Km SW of Fano (60888 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
73 Km W of Ancona (100861 inhabitants)
77 Km S of Rimini (147750 inhabitants)
90 Km N of Terni (111501 inhabitants)
92 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 0.7 2021-04-18
01:37:33
43.3733 12.6833 13 2021-07-12
16:55:10
Bollettino Sismico Italiano INGV 89966841
Reviewed
Rev100
ML 0.6 2021-04-18
01:37:33
43.3755 12.6858 13 2021-04-18
01:48:02
Sala Sismica INGV-Roma 89196371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-18 01:37:33 ± 0.04
Latitude 43.3733 ± 0.0018
Longitude 12.6833 ± 0.0025
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89966841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 205
Semi-minor axis of confidence ellipse (meter) 81
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 89196371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-18 01:48:02

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 89966841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-10 14:54:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-04-18T01:37:46.02 0.6 undecidable manual S 183 36.741 95 -0.14 47
IV.MML1.HNZ. 2021-04-18T01:37:46.17 0.3 undecidable manual S 141 37.0296 95 -0.08 72
IV.EL6.EHZ. 2021-04-18T01:37:45.71 0.6 undecidable manual S 98 34.1436 95 0.25 46
IV.ARVD.HHZ. 2021-04-18T01:37:43.11 0.3 undecidable manual S 56 24.9528 99 0.07 74
IV.ATPI.EHZ. 2021-04-18T01:37:43.12 0.6 undecidable manual S 291 24.2535 100 0.28 47
IV.NARO.HHZ. 2021-04-18T01:37:43.74 0.3 undecidable manual S 343 27.6501 98 0.01 74
IV.CESI.HNZ. 2021-04-18T01:37:42.56 0.3 undecidable manual P 156 44.622 94 0.38 67
IV.ATLO.EHZ. 2021-04-18T01:37:42.31 0.3 undecidable manual S 254 23.1546 100 -0.26 71
IV.PIEI.HHZ. 2021-04-18T01:37:42.07 0.3 undecidable manual S 326 21.5673 102 -0.08 73
IV.ATCC.EHZ. 2021-04-18T01:37:42.25 0.6 undecidable manual S 190 21.1677 103 0.21 48
IV.TB02.DHZ.01 2021-04-18T01:37:41.91 0.6 undecidable manual S 269 22.0668 102 -0.37 46
IV.ATBU.HNZ. 2021-04-18T01:37:41.03 0.3 undecidable manual S 316 15.6732 113 0.38 70
IV.MURB.HHZ. 2021-04-18T01:37:41.48 0.6 undecidable manual S 226 17.6712 108 0.33 47
IV.MML1.HNZ. 2021-04-18T01:37:41.06 0.3 undecidable manual P 141 37.0296 95 0.04 72
IV.TB01.DHZ. 2021-04-18T01:37:41.68 0.6 undecidable manual S 273 19.9689 104 -0.05 49
IV.FRON.EHZ. 2021-04-18T01:37:40.74 0.6 undecidable manual S 12 16.3725 111 -0.07 50
IV.EL6.EHZ. 2021-04-18T01:37:40.48 0.3 undecidable manual P 98 34.1436 95 -0.08 72
IV.ASSB.HHZ. 2021-04-18T01:37:40.75 0.3 undecidable manual P 183 36.741 95 -0.22 70
IV.NARO.HHZ. 2021-04-18T01:37:39.52 0.3 undecidable manual P 343 27.6501 98 -0.05 73
IV.MPAG.HNZ. 2021-04-18T01:37:39.60 0.6 undecidable manual P 12 29.0487 97 -0.19 47
IV.ATFO.HHZ. 2021-04-18T01:37:39.15 0.3 undecidable manual S 265 9.0798 135 -0.02 76
IV.FOSV.EHZ. 2021-04-18T01:37:39.42 0.6 undecidable manual S 144 10.7781 129 -0.09 50
IV.ARVD.HHZ. 2021-04-18T01:37:39.16 0.3 undecidable manual P 56 24.9528 99 -0.01 74
IV.SSFR.HHZ. 2021-04-18T01:37:39.36 0.3 undecidable manual S 49 10.5783 129 -0.12 75
IV.PIEI.HHZ. 2021-04-18T01:37:38.59 0.3 undecidable manual P 326 21.5673 102 -0.06 74
IV.TB01.DHZ. 2021-04-18T01:37:38.45 0.1 undecidable manual P 273 19.9689 104 0.04 100
IV.ATSC.EHZ. 2021-04-18T01:37:38.61 0.3 undecidable manual S 3 5.5944 151 -0.01 76
IV.ATCC.EHZ. 2021-04-18T01:37:38.59 0.1 undecidable manual P 190 21.1677 103 0 100
IV.TB02.DHZ.01 2021-04-18T01:37:38.80 0.6 undecidable manual P 269 22.0668 102 0.07 49
IV.ATLO.EHZ. 2021-04-18T01:37:38.93 0.3 undecidable manual P 254 23.1546 100 0.04 74
IV.ATBU.HNZ. 2021-04-18T01:37:38.05 0.1 undecidable manual P 316 15.6732 113 0.26 96
IV.ATPC.HNZ. 2021-04-18T01:37:38.69 0.3 undecidable manual P 303 21.7671 102 0.01 75
IV.MURB.HHZ. 2021-04-18T01:37:38.12 0.1 undecidable manual P 226 17.6712 108 0.04 100
IV.ATPI.EHZ. 2021-04-18T01:37:38.89 0.1 undecidable manual P 291 24.2535 100 -0.16 96
IV.FOSV.EHZ. 2021-04-18T01:37:37.02 0.1 undecidable manual P 144 10.7781 129 -0.11 100
IV.SSFR.HHZ. 2021-04-18T01:37:37.15 0.3 undecidable manual P 49 10.5783 129 0.04 76
IV.FRON.EHZ. 2021-04-18T01:37:37.83 0.3 undecidable manual P 12 16.3725 111 -0.05 75
IV.ATSC.EHZ. 2021-04-18T01:37:36.72 0.1 undecidable manual P 3 5.5944 151 0.11 100
IV.ATFO.HHZ. 2021-04-18T01:37:36.79 0.1 undecidable manual P 265 9.0798 135 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.4 0.000022794065000000003 0.22 AML other m 2021-04-18T01:37:39.60
IV.FOSV.EHE. ML:0.5 0.000036951134999999995 0.1 AML other m 2021-04-18T01:37:39.51
IV.FRON.EHE. ML:0.5 0.000022524243999999997 0.08 AML other m 2021-04-18T01:37:40.91
IV.FRON.EHN. ML:0.7 0.000039867235 0.06 AML other m 2021-04-18T01:37:41.27
IV.MURB.HHE. ML:1.1 0.00010135 0.26 AML other m 2021-04-18T01:37:41.82
IV.MURB.HNN. ML:1.2 0.000126180255 0.32 AML other m 2021-04-18T01:37:42.07
IV.MURB.HHN. ML:1.2 0.00010869999999999999 1.74 AML other m 2021-04-18T01:37:42.07
IV.MURB.HNE. ML:1.2 0.00012275975 0.3504 AML other m 2021-04-18T01:37:42.08
IV.PIEI.HHN. ML:0.6 0.000023995475000000003 0.16 AML other m 2021-04-18T01:37:42.19
IV.PIEI.HHE. ML:0.8 0.000045812535000000005 0.08 AML other m 2021-04-18T01:37:42.36
IV.ARVD.HHN. ML:0.4 0.0000130147985 0.06 AML other m 2021-04-18T01:37:43.37
IV.ARVD.HHE. ML:0.4 0.000017162662000000004 0.04 AML other m 2021-04-18T01:37:43.43
IV.NARO.HHE. ML:0.6 0.000020791745 0.12 AML other m 2021-04-18T01:37:43.87
IV.NARO.HHN. ML:0.5 0.00001457635 0.06 AML other m 2021-04-18T01:37:44.30
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