Earthquake with magnitude of ML 1.2 on date 25-10-2020 and time 03:59:07 (Italy) in region 4 km S Serra San Quirico (AN)

A magnitude ML 1.2 earthquake occured in region: 4 km S Serra San Quirico (AN), on

  • 25-10-2020 02:59:07 (UTC)
  • 25-10-2020 03:59:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.42, 13.03 at 14 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
Serra San Quirico AN 4 2850 2850
Mergo AN 6 1037 3887
Poggio San Vicino MC 6 246 4133
Genga AN 8 1797 5930
Cupramontana AN 8 4756 10686
Rosora AN 8 1985 12671
Apiro MC 9 2280 14951
Castelplanio AN 10 3540 18491
Maiolati Spontini AN 10 6248 24739
Cerreto d'Esi AN 11 3817 28556
Poggio San Marcello AN 11 693 29249
Monte Roberto AN 12 3061 32310
Arcevia AN 12 4612 36922
Castelbellino AN 12 4947 41869
Montecarotto AN 13 1987 43856
San Paolo di Jesi AN 13 933 44789
Staffolo AN 13 2253 47042
Fabriano AN 13 31480 78522
Sassoferrato AN 14 7285 85807
Serra de' Conti AN 14 3746 89553
Cingoli MC 16 10352 99905
Matelica MC 18 9981 109886
Barbara AN 18 1368 111254
Esanatoglia MC 20 2034 113288
Gagliole MC 20 620 113908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Ancona (100861 inhabitants)
47 Km S of Fano (60888 inhabitants)
56 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
62 Km NE of Perugia (166134 inhabitants)
81 Km SE of Rimini (147750 inhabitants)
93 Km E of Arezzo (99543 inhabitants)
100 Km NE 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
Bulletin
Rev1000
ML 1.2 2020-10-25
02:59:07
43.42 13.03 14 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87450641
Reviewed
Rev100
ML 1.3 2020-10-25
02:59:06
43.43 13.03 15 2020-10-25
03:17:40
Sala Sismica INGV-Roma 84106871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-25 02:59:07 ± 0.1
Latitude 43.42 ± 0.01
Longitude 13.03 ± 0.01
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87450641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 620
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.54589
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 87450641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-24 12:49:12

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84106871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-25 03:17:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2020-10-25T02:59:21.07 0.6 undecidable manual S 231 0.366 96 0.7 40
IV.CSP1.EHZ. 2020-10-25T02:59:20.33 0.6 undecidable manual S 158 0.3507 97 0.41 44
IV.NARO.HHZ. 2020-10-25T02:59:20.81 0.6 undecidable manual S 301 0.3768 96 0.11 47
IV.MPAG.EHZ. 2020-10-25T02:59:18.12 0.6 undecidable manual S 317 0.2869 99 0.07 48
IV.MNTT.EHZ. 2020-10-25T02:59:18.43 0.3 undecidable manual P 131 0.5459 94 0.64 59
IV.COR1.HNN. 2020-10-25T02:59:17.30 0.6 undecidable manual S 355 0.214 105 1.36 31
IV.FOSV.EHZ. 2020-10-25T02:59:16.53 0.6 undecidable manual S 238 0.2293 103 0.15 48
IV.FRON.EHZ. 2020-10-25T02:59:16.94 0.6 undecidable manual S 295 0.241 102 0.24 47
IV.SSFR.HHZ. 2020-10-25T02:59:15.20 0.6 undecidable manual S 276 0.179 110 0.25 47
IV.NARO.HHZ. 2020-10-25T02:59:14.53 0.3 undecidable manual P 301 0.3768 96 -0.39 67
IV.ATFO.HHZ. 2020-10-25T02:59:14.14 0.3 undecidable manual P 261 0.3354 97 -0.07 72
IV.ATCC.EHZ. 2020-10-25T02:59:14.62 0.3 undecidable manual P 231 0.366 96 -0.11 71
IV.SNTG.HHZ. 2020-10-25T02:59:14.90 0.6 undecidable manual S 201 0.1754 111 0.07 49
IV.CSP1.EHZ. 2020-10-25T02:59:14.15 0.3 undecidable manual P 158 0.3507 97 -0.32 68
IV.MPAG.EHZ. 2020-10-25T02:59:13.02 0.3 undecidable manual P 317 0.2869 99 -0.37 68
IV.CING.HNZ. 2020-10-25T02:59:13.52 0.6 undecidable manual S 109 0.1286 122 -0.08 49
IV.EL6.EHZ. 2020-10-25T02:59:13.15 0.6 undecidable manual S 149 0.1034 130 0.15 49
IV.ARVD.HHZ. 2020-10-25T02:59:12.86 0.6 undecidable manual S 322 0.1016 131 -0.09 49
IV.COR1.HNN. 2020-10-25T02:59:12.45 0.1 undecidable manual P 355 0.214 105 0.27 94
IV.MMUR.HNE. 2020-10-25T02:59:12.08 0.6 undecidable manual S 317 0.0324 162 0.26 49
IV.FOSV.EHZ. 2020-10-25T02:59:12.14 0.1 undecidable manual P 238 0.2293 103 -0.29 94
IV.FRON.EHZ. 2020-10-25T02:59:12.40 0.1 undecidable manual P 295 0.241 102 -0.21 95
IV.SNTG.HHZ. 2020-10-25T02:59:11.37 0.3 undecidable manual P 201 0.1754 111 -0.16 73
IV.SSFR.HHZ. 2020-10-25T02:59:11.51 0.1 positive manual P 276 0.179 110 -0.09 98
IV.ARVD.HHZ. 2020-10-25T02:59:10.27 0.1 undecidable manual P 322 0.1016 131 -0.18 98
IV.CING.HNZ. 2020-10-25T02:59:10.57 0.1 undecidable manual P 109 0.1286 122 -0.25 96
IV.EL6.EHZ. 2020-10-25T02:59:10.41 0.1 negative manual P 149 0.1034 130 -0.07 100
IV.MMUR.HNE. 2020-10-25T02:59:09.80 0.3 undecidable manual P 317 0.0324 162 0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHN. ML:1.4 0.000249 0.2 AML other m 2020-10-25T02:59:13.54
IV.EL6.EHE. ML:1.5 0.000298 0.16 AML other m 2020-10-25T02:59:13.65
IV.SNTG.HHN. ML:0.9 5.355E-5 0.24 AML other m 2020-10-25T02:59:15.28
IV.SSFR.HHE. ML:1.3 0.0001315 0.26 AML other m 2020-10-25T02:59:15.41
IV.SNTG.HHE. ML:0.9 4.885E-5 0.2 AML other m 2020-10-25T02:59:15.42
IV.SSFR.HHN. ML:1.3 0.0001265 0.16 AML other m 2020-10-25T02:59:16.25
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