Earthquake with magnitude of ML 0.4 on date 27-06-2021 and time 07:42:55 (Italy) in region 3 km NE Sassoferrato (AN)

A magnitude ML 0.4 earthquake occured in region: 3 km NE Sassoferrato (AN), on

  • 27-06-2021 05:42:55 (UTC)
  • 27-06-2021 07:42:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4570, 12.8880 at 14 km depth.

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

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
Sassoferrato AN 3 7285 7285
Genga AN 5 1797 9082
Arcevia AN 7 4612 13694
Serra Sant'Abbondio PU 10 1027 14721
Serra San Quirico AN 10 2850 17571
Mergo AN 12 1037 18608
Pergola PU 13 6333 24941
Fabriano AN 13 31480 56421
Frontone PU 14 1300 57721
Rosora AN 15 1985 59706
Serra de' Conti AN 16 3746 63452
Castelplanio AN 16 3540 66992
Montecarotto AN 16 1987 68979
Poggio San Marcello AN 17 693 69672
San Lorenzo in Campo PU 17 3414 73086
Cerreto d'Esi AN 17 3817 76903
Barbara AN 18 1368 78271
Costacciaro PG 18 1216 79487
Poggio San Vicino MC 18 246 79733
Sigillo PG 18 2404 82137
Castelleone di Suasa AN 18 1676 83813
Cupramontana AN 19 4756 88569
Scheggia e Pascelupo PG 19 1393 89962
Maiolati Spontini AN 19 6248 96210
Fratte Rosa PU 20 966 97176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km S of Fano (60888 inhabitants)
51 Km S of Pesaro (94582 inhabitants)
54 Km W of Ancona (100861 inhabitants)
56 Km NE of Perugia (166134 inhabitants)
58 Km N of Foligno (57155 inhabitants)
72 Km SE of Rimini (147750 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
92 Km SE of Cesena (96758 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 0.4 2021-06-27
05:42:55
43.457 12.8882 14 2021-06-27
06:06:16
Sala Sismica INGV-Roma 91950971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-27 05:42:55 ± 0.09
Latitude 43.4570 ± 0.0027
Longitude 12.8882 ± 0.0062
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91950971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 491
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 91950971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-27 06:06:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2021-06-27T05:43:09.27 3.0 undecidable manual P 0 0
IV.NARO.HHZ. 2021-06-27T05:43:06.06 0.1 undecidable manual S 305 30.0477 100 -0.03 97
IV.MPAG.EHZ. 2021-06-27T05:43:04.03 0.1 undecidable manual S 332 21.7671 107 0.1 98
IV.FOSV.EHZ. 2021-06-27T05:43:03.65 0.3 undecidable manual S 210 20.6682 109 -0.01 74
IV.FRON.EHZ. 2021-06-27T05:43:02.18 0.1 undecidable manual S 297 14.6742 121 -0.03 100
IV.NARO.HHZ. 2021-06-27T05:43:01.55 0.6 negative manual P 305 30.0477 100 -0.08 48
IV.FOSV.EHZ. 2021-06-27T05:43:00.20 0.6 undecidable manual P 210 20.6682 109 -0.03 49
IV.ARVD.HHZ. 2021-06-27T05:43:00.59 0.3 undecidable manual S 43 6.2937 150 -0.04 76
IV.MPAG.EHZ. 2021-06-27T05:43:00.44 1.0 undecidable manual P 332 21.7671 107 0.06 25
IV.FRON.EHZ. 2021-06-27T05:42:59.49 1.0 undecidable manual P 297 14.6742 121 0.1 25
IV.ARVD.HHZ. 2021-06-27T05:42:58.59 1.0 positive manual P 43 6.2937 150 0.11 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:0.4 0.00002925 0.16 AML other m 2021-06-27T05:43:00.75
IV.ARVD.HHE. ML:0.6 0.00004445 0.24 AML other m 2021-06-27T05:43:00.77
IV.FRON.EHE. ML:0.3 0.000017349999999999998 0.34 AML other m 2021-06-27T05:43:02.23
IV.FRON.EHN. ML:0.6 0.0000336 0.28 AML other m 2021-06-27T05:43:02.48
IV.FOSV.EHN. ML:0.4 0.000013599999999999999 0.1 AML other m 2021-06-27T05:43:03.72
IV.FOSV.EHE. ML:0.2 0.00001147 1.56 AML other m 2021-06-27T05:43:04.78
IV.MPAG.EHE. ML:0.4 0.00001445 0.1 AML other m 2021-06-27T05:43:04.07
IV.MPAG.EHN. ML:0.2 0.000010385 1.56 AML other m 2021-06-27T05:43:04.07
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