Earthquake (quarry blast) with magnitude of ML 0.8 on date 22-02-2019 and time 08:53:57 (Italy) in region 4 km S Cagli (PU)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 4 km S Cagli (PU), on

  • 22-02-2019 07:53:57 (UTC)
  • 22-02-2019 08:53:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.51, 12.65 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Cagli PU 4 8731 8731
Cantiano PU 4 2245 10976
Frontone PU 7 1300 12276
Serra Sant'Abbondio PU 10 1027 13303
Scheggia e Pascelupo PG 12 1393 14696
Acqualagna PU 12 4393 19089
Piobbico PU 15 2029 21118
Pergola PU 16 6333 27451
Costacciaro PG 17 1216 28667
Gubbio PG 18 32216 60883
Sassoferrato AN 19 7285 68168
Fermignano PU 19 8596 76764
Pietralunga PG 19 2111 78875
Apecchio PU 20 1882 80757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Fano (60888 inhabitants)
49 Km SW of Pesaro (94582 inhabitants)
50 Km NE of Perugia (166134 inhabitants)
62 Km N of Foligno (57155 inhabitants)
62 Km S of Rimini (147750 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
71 Km W of Ancona (100861 inhabitants)
77 Km SE of Cesena (96758 inhabitants)
93 Km SE of Forlì (117913 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
Rev 1000 ML 0.8 2019-02-22
07:53:57
43.51 12.65 1 2019-08-22
08:25:11
Bollettino Sismico Italiano INGV 70703601
Rev 100 ML 0.9 2019-02-22
07:53:57
43.52 12.64 2 2019-02-22
08:02:51
Sala Sismica INGV-Roma 65778841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-22 07:53:57 ± 0.13
Latitude 43.51 ± 0.01
Longitude 12.65 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 70703601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1170
Semi-minor axis of confidence ellipse (meter) 740
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 65778841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-22 08:02:51

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 70703601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-19 08:47:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-02-22T07:54:05.04 0.3 undecidable manual P 119 0.3723 91 -0.65 62
IV.MURB.HHZ. 2019-02-22T07:54:03.40 0.6 undecidable manual P 201 0.2626 91 0.14 48
IV.ATVO.HHZ. 2019-02-22T07:54:02.24 0.3 undecidable manual P 235 0.2194 91 -0.04 75
IV.ATPI.EHZ. 2019-02-22T07:54:01.77 0.3 undecidable manual P 252 0.1907 91 0.12 74
IV.ATFO.HHZ. 2019-02-22T07:54:01.14 0.3 undecidable manual P 202 0.1538 92 0.3 72
IV.MPAG.EHZ. 2019-02-22T07:54:00.74 0.1 undecidable manual P 33 0.143 92 0.15 99
IV.PIEI.HHZ. 2019-02-22T07:53:59.12 0.1 undecidable manual P 287 0.089 93 -0.28 97
IV.FRON.EHZ. 2019-02-22T07:53:58.79 0.1 undecidable manual P 81 0.054 95 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHN. ML:0 0.0002145 0.98 AML other m 2019-02-22T07:54:00.29
IV.PIEI.HHN. ML:0 7.155E-5 1.02 AML other m 2019-02-22T07:54:00.33
IV.PIEI.HHE. ML:0 0.0001095 0.18 AML other m 2019-02-22T07:54:01.23
IV.FRON.EHE. ML:0 0.000127 0.88 AML other m 2019-02-22T07:54:01.14
IV.MPAG.EHE. ML:0.3 1.8405865E-5 0.32 AML other m 2019-02-22T07:54:06.55
IV.ATFO.HHE. ML:0.7 5.24E-5 0.6 AML other m 2019-02-22T07:54:06.98
IV.ATFO.HHN. ML:0 5.435E-5 0.64 AML other m 2019-02-22T07:54:07.21
IV.MURB.HHE. ML:1.2 7.467126E-5 0.32 AML other m 2019-02-22T07:54:10.46
IV.MURB.HHN. ML:0.9 4.729409E-5 0.4224 AML other m 2019-02-22T07:54:11.61
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