Earthquake (quarry blast) with magnitude of ML 0.7 on date 21-02-2019 and time 08:56:05 (Italy) in region 5 km E Piobbico (PU)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 5 km E Piobbico (PU), on

  • 21-02-2019 07:56:05 (UTC)
  • 21-02-2019 08:56:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.57, 12.56 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
Piobbico PU 5 2029 2029
Cagli PU 8 8731 10760
Acqualagna PU 10 4393 15153
Urbania PU 11 7099 22252
Apecchio PU 12 1882 24134
Cantiano PU 12 2245 26379
Fermignano PU 14 8596 34975
Peglio PU 15 696 35671
Frontone PU 16 1300 36971
Sant'Angelo in Vado PU 16 4133 41104
Pietralunga PG 18 2111 43215
Urbino PU 18 15019 58234
Serra Sant'Abbondio PU 19 1027 59261

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Pesaro (94582 inhabitants)
48 Km SW of Fano (60888 inhabitants)
54 Km N of Perugia (166134 inhabitants)
55 Km S of Rimini (147750 inhabitants)
56 Km E of Arezzo (99543 inhabitants)
68 Km SE of Cesena (96758 inhabitants)
69 Km N of Foligno (57155 inhabitants)
77 Km W of Ancona (100861 inhabitants)
84 Km SE of Forlì (117913 inhabitants)
96 Km SE of Faenza (58541 inhabitants)
99 Km SE of Ravenna (159116 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 0.7 2019-02-21
07:56:05
43.57 12.56 1 2019-08-22
08:25:03
Bollettino Sismico Italiano INGV 69738011
Rev 100 ML 0.8 2019-02-21
07:56:04
43.58 12.53 6 2019-02-21
08:44:24
Sala Sismica INGV-Roma 65755101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-21 07:56:05 ± 0.4
Latitude 43.57 ± 0.02
Longitude 12.56 ± 0.02
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 69738011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2880
Semi-minor axis of confidence ellipse (meter) 1210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 327
Circular confidence region, given by single value of horizontal uncertainty (meter) 2880
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 4
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.20864
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0
Num. used stations 1
Type of magnitude ML
Reference to an origin 69738011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-20 13:10:11

ML:0.8

Field Value
Value 0.8
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 65755101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-21 08:44:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ESLN.HHZ. 2019-02-21T07:57:30.42 3.0 positive manual Pn 2.09 0
IT.VNF1.HGZ. 2019-02-21T07:57:29.84 3.0 undecidable manual Sg 1.82 0
IV.RESU.HHZ. 2019-02-21T07:57:23.40 3.0 undecidable manual Pn -1.42 0
IV.MMN.HHZ. 2019-02-21T07:57:11.53 3.0 negative manual Pn 2.35 0
IV.LAV9.HHZ. 2019-02-21T07:57:10.61 3.0 undecidable manual Sg 1.44 0
MN.TRI.HHZ. 2019-02-21T07:56:31.49 3.0 undecidable manual Pg 9.18 0
IV.SSFR.HHZ. 2019-02-21T07:56:09.98 0.1 undecidable manual P 130 0.2086 91 -0.2 93
IV.FRON.EHZ. 2019-02-21T07:56:08.71 0.3 undecidable manual P 115 0.1295 92 0.29 70
IV.MPAG.EHZ. 2019-02-21T07:56:08.88 0.3 undecidable manual P 68 0.1538 92 -0.06 73
IV.PIEI.HHZ. 2019-02-21T07:56:06.47 0.1 positive manual P 209 0.0414 96 0.02 100
IV.NDIM.HNZ. 2019-02-21T07:55:54.59 3.0 negative manual P 3.82 0
IV.BDI.HHZ. 2019-02-21T07:55:45.50 3.0 undecidable manual P -0.65 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0 6.6171795E-5 0.0768 AML other m 2019-02-21T07:56:07.57
IV.PIEI.HHE. ML:0 6.3843495E-5 0.0768 AML other m 2019-02-21T07:56:07.61
IV.SSFR.HHN. ML:0 3.39E-5 0.74 AML other m 2019-02-21T07:56:26.89
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