Earthquake (quarry blast) with magnitude of ML 1.0 on date 22-02-2021 and time 11:00:32 (UTC) in region 5 km SW Serra San Quirico (AN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 5 km SW Serra San Quirico (AN), on

  • 22-02-2021 11:00:32 (UTC)
  • 22-02-2021 12:00:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.41, 12.99 at 0 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Serra San Quirico AN 5 2850 2850
Genga AN 5 1797 4647
Mergo AN 8 1037 5684
Poggio San Vicino MC 8 246 5930
Cerreto d'Esi AN 10 3817 9747
Rosora AN 10 1985 11732
Fabriano AN 11 31480 43212
Cupramontana AN 11 4756 47968
Arcevia AN 11 4612 52580
Sassoferrato AN 11 7285 59865
Apiro MC 11 2280 62145
Castelplanio AN 12 3540 65685
Maiolati Spontini AN 13 6248 71933
Poggio San Marcello AN 14 693 72626
Monte Roberto AN 14 3061 75687
Montecarotto AN 14 1987 77674
Castelbellino AN 15 4947 82621
Serra de' Conti AN 15 3746 86367
San Paolo di Jesi AN 16 933 87300
Staffolo AN 16 2253 89553
Matelica MC 17 9981 99534
Esanatoglia MC 18 2034 101568
Cingoli MC 19 10352 111920
Barbara AN 19 1368 113288
Gagliole MC 20 620 113908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Ancona (100861 inhabitants)
49 Km S of Fano (60888 inhabitants)
55 Km NE of Foligno (57155 inhabitants)
56 Km S of Pesaro (94582 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
80 Km SE of Rimini (147750 inhabitants)
90 Km E of Arezzo (99543 inhabitants)
98 Km N of Terni (111501 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 1.0 2021-02-22
11:00:32
43.41 12.99 1 2021-02-22
11:10:02
Sala Sismica INGV-Roma 87375691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-22 11:00:32 ± 0.07
Latitude 43.41 ± 0.00
Longitude 12.99 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 87375691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1230
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 6
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
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87375691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-22 11:10:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CELI.HNZ. 2021-02-22T11:02:10.68 3.0 undecidable manual Sg 4.13 0
MN.PDG.HHZ. 2021-02-22T11:02:00.47 3.0 undecidable manual Sn -1.36 0
IV.MILN.HNZ. 2021-02-22T11:01:29.65 3.0 positive manual Pg 9.57 0
IV.SELL.HHZ. 2021-02-22T11:01:28.98 3.0 undecidable manual Pg 5.01 0
CR.STON.BHZ. 2021-02-22T11:01:23.52 3.0 undecidable manual Sn -8.87 0
IV.VBKN.HHZ. 2021-02-22T11:01:21.19 3.0 undecidable manual Sg -0.04 0
IV.PIPA.HHZ. 2021-02-22T11:01:19.97 3.0 positive manual Pg 1.21 0
IT.FIE.HGZ. 2021-02-22T11:01:19.72 3.0 undecidable manual Sn 0.82 0
OX.CLUD.HHZ. 2021-02-22T11:01:16.53 3.0 undecidable manual Pg 6.31 0
OT.TAR1.HHZ. 2021-02-22T11:01:09.83 3.0 positive manual Pg -0.28 0
IV.MRVN.HHZ. 2021-02-22T11:00:57.82 3.0 undecidable manual Pg 0.68 0
IV.RNI2.HHZ. 2021-02-22T11:00:51.62 3.0 undecidable manual S -7.9 0
IV.FDMO.HHZ. 2021-02-22T11:00:40.64 0.3 undecidable manual P 169 0.3786 91 -0.09 69
IV.CSP1.EHZ. 2021-02-22T11:00:40.23 0.3 undecidable manual P 154 0.3525 91 0.08 70
IV.MPAG.EHZ. 2021-02-22T11:00:38.15 1.0 undecidable manual P 323 0.277 91 -0.33 22
IV.SRES.HHZ. 2021-02-22T11:00:37.76 3.0 positive manual P -3.41 0
IV.FRON.EHZ. 2021-02-22T11:00:37.57 1.0 undecidable manual P 299 0.2221 91 0.32 23
IV.ARVD.HHZ. 2021-02-22T11:00:34.45 0.1 negative manual P 338 0.0962 93 -0.01 99
IV.MMUR.HNZ. 2021-02-22T11:00:33.08 0.1 positive manual P 6 0.0333 98 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMUR.HNN. ML:0 0.003865 0.6 AML other m 2021-02-22T11:00:33.63
IV.MMUR.HNE. ML:0 0.00985 0.42 AML other m 2021-02-22T11:00:33.66
IV.ARVD.HHE. ML:1.1 0.0002305 1.34 AML other m 2021-02-22T11:00:36.13
IV.ARVD.HHN. ML:1.1 0.000222 1.34 AML other m 2021-02-22T11:00:37.75
IV.FRON.EHN. ML:1 5.855E-5 1.28 AML other m 2021-02-22T11:00:43.03
IV.FRON.EHE. ML:0.8 3.97E-5 0.5 AML other m 2021-02-22T11:00:43.72
IV.MPAG.EHE. ML:0.8 2.845E-5 1.06 AML other m 2021-02-22T11:00:48.40
IV.MPAG.EHN. ML:0.8 3.185E-5 0.68 AML other m 2021-02-22T11:00:55.45
IV.ATCC.EHN. ML:1.6 0.0001575 0.04 AML other m 2021-02-22T11:00:59.91
IV.ATCC.EHE. ML:1.5 0.0001215 0.06 AML other m 2021-02-22T11:01:06.10
IV.CELI.HNN. ML:7.8 1.541 0.42 AML other m 2021-02-22T11:02:04.59
IV.CELI.HNE. ML:7.8 1.51 0.42 AML other m 2021-02-22T11:02:04.60
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