Earthquake (quarry blast) with magnitude of ML 1.2 on date 05-02-2021 and time 16:24:39 (UTC) in region 3 km S Serra San Quirico (AN)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 3 km S Serra San Quirico (AN), on

  • 05-02-2021 16:24:39 (UTC)
  • 05-02-2021 17:24:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.42, 13.02 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 3 2850 2850
Mergo AN 6 1037 3887
Genga AN 6 1797 5684
Poggio San Vicino MC 8 246 5930
Rosora AN 8 1985 7915
Cupramontana AN 9 4756 12671
Castelplanio AN 10 3540 16211
Apiro MC 10 2280 18491
Maiolati Spontini AN 10 6248 24739
Arcevia AN 11 4612 29351
Poggio San Marcello AN 11 693 30044
Cerreto d'Esi AN 12 3817 33861
Monte Roberto AN 12 3061 36922
Montecarotto AN 12 1987 38909
Sassoferrato AN 13 7285 46194
Castelbellino AN 13 4947 51141
Fabriano AN 13 31480 82621
San Paolo di Jesi AN 13 933 83554
Serra de' Conti AN 13 3746 87300
Staffolo AN 14 2253 89553
Cingoli MC 17 10352 99905
Barbara AN 18 1368 101273
Matelica MC 19 9981 111254
Esanatoglia MC 20 2034 113288

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Ancona (100861 inhabitants)
47 Km S of Fano (60888 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
62 Km NE of Perugia (166134 inhabitants)
80 Km SE of Rimini (147750 inhabitants)
92 Km E of Arezzo (99543 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 1.2 2021-02-05
16:24:39
43.42 13.02 1 2021-02-05
16:35:14
Sala Sismica INGV-Roma 86859221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-05 16:24:39 ± 0.23
Latitude 43.42 ± 0.01
Longitude 13.02 ± 0.02
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 86859221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2300
Semi-minor axis of confidence ellipse (meter) 1080
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 2300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 86859221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-05 16:35:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2021-02-05T16:24:55.21 3.0 undecidable manual P -0.05 0
IV.CSP1.EHZ. 2021-02-05T16:24:46.69 1.0 undecidable manual P 157 0.3588 91 -0.65 20
IV.MPAG.EHZ. 2021-02-05T16:24:45.17 1.0 undecidable manual P 318 0.277 91 -0.33 23
IV.SSFR.HHZ. 2021-02-05T16:24:43.18 0.3 undecidable manual P 274 0.17 92 0.06 73
IV.EL6.EHZ. 2021-02-05T16:24:42.42 1.0 positive manual P 146 0.1133 92 0.55 22
IV.ARVD.HHZ. 2021-02-05T16:24:41.40 0.1 negative manual P 324 0.0917 93 0.01 100
IV.MMUR.HNZ. 2021-02-05T16:24:39.96 1.0 undecidable manual P 324 0.0225 101 0.11 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMUR.HNN. ML:0 0.00771 0.36 AML other m 2021-02-05T16:24:40.36
IV.MMUR.HNE. ML:0 0.01155 0.5 AML other m 2021-02-05T16:24:40.90
IV.ARVD.HHN. ML:1.2 0.0003275 1.14 AML other m 2021-02-05T16:24:44.02
IV.ARVD.HHE. ML:1.4 0.000489 0.74 AML other m 2021-02-05T16:24:47.52
IV.SSFR.HHN. ML:1.3 0.00019 0.76 AML other m 2021-02-05T16:24:48.85
IV.SSFR.HHE. ML:1.3 0.0001665 1.08 AML other m 2021-02-05T16:24:49.87
IV.MPAG.EHN. ML:1.1 6.29E-5 0.62 AML other m 2021-02-05T16:24:54.35
IV.MPAG.EHE. ML:1.1 6.05E-5 0.56 AML other m 2021-02-05T16:25:04.57
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