Earthquake with magnitude of ML 0.7 on date 03-04-2021 and time 21:49:35 (Italy) in region 6 km S Serra Sant'Abbondio (PU)

A magnitude ML 0.7 earthquake occured in region: 6 km S Serra Sant'Abbondio (PU), on

  • 03-04-2021 19:49:35 (UTC)
  • 03-04-2021 21:49:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4410, 12.7530 at 15 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
Serra Sant'Abbondio PU 6 1027 1027
Scheggia e Pascelupo PG 8 1393 2420
Frontone PU 8 1300 3720
Sassoferrato AN 9 7285 11005
Costacciaro PG 10 1216 12221
Cantiano PU 11 2245 14466
Sigillo PG 12 2404 16870
Cagli PU 15 8731 25601
Genga AN 15 1797 27398
Pergola PU 15 6333 33731
Fossato di Vico PG 16 2840 36571
Arcevia AN 17 4612 41183
Fabriano AN 17 31480 72663
Gubbio PG 17 32216 104879

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
50 Km SW of Fano (60888 inhabitants)
54 Km S of Pesaro (94582 inhabitants)
54 Km N of Foligno (57155 inhabitants)
65 Km W of Ancona (100861 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
71 Km S of Rimini (147750 inhabitants)
88 Km SE of Cesena (96758 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 0.7 2021-04-03
19:49:35
43.4408 12.7532 15 2021-04-03
19:54:27
Sala Sismica INGV-Roma 88749711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-03 19:49:35 ± 0.11
Latitude 43.4408 ± 0.0045
Longitude 12.7532 ± 0.0062
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88749711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.21044
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 88749711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-03 19:54:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATBU.HNN. 2021-04-03T19:49:43.10 0.6 undecidable manual S 283 16.9719 121 0.35 47
IV.FOSV.EHZ. 2021-04-03T19:49:42.57 0.6 undecidable manual S 178 16.1727 122 -0.01 50
IV.FRON.EHZ. 2021-04-03T19:49:41.06 0.6 undecidable manual S 345 8.7801 144 -0.06 50
IV.SSFR.HHZ. 2021-04-03T19:49:40.46 0.6 undecidable manual S 102 2.3976 169 0.03 51
IV.NARO.HHZ. 2021-04-03T19:49:40.39 0.6 positive manual P 324 23.3544 110 -0.16 48
IV.MPAG.EHZ. 2021-04-03T19:49:40.25 1.0 undecidable manual P 1 20.868 113 0.06 25
IV.ATSC.EHE. 2021-04-03T19:49:40.62 0.6 undecidable manual S 251 5.6943 155 -0.09 51
IV.PIEI.HHZ. 2021-04-03T19:49:39.96 0.3 undecidable manual P 301 20.4684 114 -0.16 72
IV.FOSV.EHZ. 2021-04-03T19:49:39.57 0.1 undecidable manual P 178 16.1727 122 0.02 100
IV.ATBU.HNN. 2021-04-03T19:49:39.71 0.1 undecidable manual P 283 16.9719 121 0.07 100
IV.ARVD.HHZ. 2021-04-03T19:49:39.74 1.0 undecidable manual P 67 16.4724 122 0.17 24
IV.ATSC.EHE. 2021-04-03T19:49:38.34 0.6 undecidable manual P 251 5.6943 155 -0.12 50
IV.SSFR.HHZ. 2021-04-03T19:49:38.28 0.3 positive manual P 102 2.3976 169 -0.03 77
IV.FRON.EHZ. 2021-04-03T19:49:38.73 1.0 undecidable manual P 345 8.7801 144 0.02 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.0 0.000016265465 0.0512 AML other m 2021-04-03T19:49:43.39
IV.PIEI.HHE. ML:0.0 0.00004585747 0.0768 AML other m 2021-04-03T19:49:43.62
IV.SSFR.HHE. ML:0.6 0.000046769305 0.0512 AML other m 2021-04-03T19:49:40.47
IV.SSFR.HHN. ML:0.6 0.000045689695000000004 0.1536 AML other m 2021-04-03T19:49:41.79
IV.SSFR.HNE. ML:1.0 0.00011154495 0.0512 AML other m 2021-04-03T19:49:40.56
IV.SSFR.HNN. ML:1.1 0.00014574815 0.0512 AML other m 2021-04-03T19:49:40.59
IV.FRON.EHE. ML:0.7 0.000044588875 2.176 AML other m 2021-04-03T19:49:46.79
IV.FRON.EHN. ML:0.5 0.0000320151 0.0896 AML other m 2021-04-03T19:49:42.50
IV.FOSV.EHE. ML:0.6 0.00002951865 0.0768 AML other m 2021-04-03T19:49:42.76
IV.FOSV.EHN. ML:0.7 0.0000352749115 0.128 AML other m 2021-04-03T19:49:42.66
IV.ARVD.HHE. ML:0.5 0.000025363205 0.6016 AML other m 2021-04-03T19:49:48.45
IV.ARVD.HHN. ML:0.5 0.000024979824999999996 0.1152 AML other m 2021-04-03T19:49:43.06
IV.MPAG.HNN. ML:1.3 0.00011322910000000002 0.6912 AML other m 2021-04-03T19:49:51.20
IV.MPAG.EHE. ML:0.8 0.000037865175 1.6768 AML other m 2021-04-03T19:49:39.36
IV.MPAG.EHN. ML:0.4 0.000015651349999999997 0.5632 AML other m 2021-04-03T19:49:52.38
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