Earthquake with magnitude of ML 1.0 on date 25-11-2020 and time 21:20:19 (Italy) in region 3 km NE Frontone (PU)

A magnitude ML 1.0 earthquake occured in region: 3 km NE Frontone (PU), on

  • 25-11-2020 20:20:19 (UTC)
  • 25-11-2020 21:20:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5360, 12.7580 at 17 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
Frontone PU 3 1300 1300
Serra Sant'Abbondio PU 5 1027 2327
Pergola PU 7 6333 8660
Cagli PU 9 8731 17391
Acqualagna PU 12 4393 21784
Cantiano PU 13 2245 24029
Sassoferrato AN 14 7285 31314
Arcevia AN 15 4612 35926
Fratte Rosa PU 16 966 36892
Scheggia e Pascelupo PG 16 1393 38285
San Lorenzo in Campo PU 17 3414 41699
Fossombrone PU 18 9575 51274
Fermignano PU 18 8596 59870
Genga AN 19 1797 61667
Sant'Ippolito PU 19 1563 63230
Castelleone di Suasa AN 19 1676 64906
Costacciaro PG 20 1216 66122

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Fano (60888 inhabitants)
44 Km SW of Pesaro (94582 inhabitants)
56 Km NE of Perugia (166134 inhabitants)
61 Km S of Rimini (147750 inhabitants)
62 Km W of Ancona (100861 inhabitants)
65 Km N of Foligno (57155 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
79 Km SE of Cesena (96758 inhabitants)
96 Km SE of Forlì (117913 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 2020-11-25
20:20:19
43.5358 12.7585 17 2020-11-25
20:28:47
Sala Sismica INGV-Roma 85016011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 20:20:19 ± 0.1
Latitude 43.5358 ± 0.0045
Longitude 12.7585 ± 0.0062
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85016011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 559
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.32376
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 85016011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 20:28:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2020-11-25T20:20:29.33 0.3 undecidable manual S 180 26.751 110 0.06 72
IV.ATPC.HNZ. 2020-11-25T20:20:29.06 0.3 undecidable manual S 256 25.0527 112 0.22 70
IV.ATBU.EHZ. 2020-11-25T20:20:27.68 0.3 undecidable manual S 249 18.1707 122 0.47 68
IV.ARVD.HHZ. 2020-11-25T20:20:26.86 0.3 undecidable manual S 106 15.2736 129 0.27 70
IV.NARO.HHZ. 2020-11-25T20:20:26.62 0.3 undecidable manual S 300 16.5723 126 -0.23 70
IV.EL6.EHZ. 2020-11-25T20:20:26.68 0.3 undecidable manual P 130 35.9418 103 0.23 69
IV.ATSC.EHZ. 2020-11-25T20:20:26.10 0.3 undecidable manual S 205 13.6752 132 -0.16 73
IV.SSFR.HHZ. 2020-11-25T20:20:25.72 0.3 undecidable manual S 170 11.1777 139 -0.08 74
IV.MPAG.EHZ. 2020-11-25T20:20:25.77 0.3 undecidable manual S 0 10.3785 142 0.12 74
IV.ATPC.HNZ. 2020-11-25T20:20:25.03 0.3 undecidable manual P 256 25.0527 112 0.18 71
IV.FRON.EHZ. 2020-11-25T20:20:24.87 0.3 undecidable manual S 233 3.2967 167 0.04 76
IV.FOSV.EHZ. 2020-11-25T20:20:24.94 0.3 undecidable manual P 180 26.751 110 -0.16 71
IV.NARO.HHZ. 2020-11-25T20:20:23.39 0.1 undecidable manual P 300 16.5723 126 -0.31 92
IV.MPAG.EHZ. 2020-11-25T20:20:23.02 0.1 undecidable manual P 0 10.3785 142 0.01 100
IV.ATSC.EHZ. 2020-11-25T20:20:23.12 0.3 undecidable manual P 205 13.6752 132 -0.24 71
IV.ARVD.HHZ. 2020-11-25T20:20:23.50 0.3 undecidable manual P 106 15.2736 129 -0.05 74
IV.ATBU.EHZ. 2020-11-25T20:20:23.98 0.3 undecidable manual P 249 18.1707 122 0.07 74
IV.FRON.EHZ. 2020-11-25T20:20:22.47 0.1 undecidable manual P 233 3.2967 167 -0.06 100
IV.SSFR.HHZ. 2020-11-25T20:20:22.94 0.1 undecidable manual P 170 11.1777 139 -0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.8 0.00006890000000000001 1.72 AML other m 2020-11-25T20:20:24.89
IV.FRON.EHN. ML:0.9 0.00008025 0.44 AML other m 2020-11-25T20:20:25.01
IV.SSFR.HHE. ML:1.4 0.00023899999999999998 0.16 AML other m 2020-11-25T20:20:25.93
IV.MPAG.EHE. ML:1.1 0.00010115 1.78 AML other m 2020-11-25T20:20:25.90
IV.MPAG.EHN. ML:1.0 0.0000919 1.8 AML other m 2020-11-25T20:20:26.90
IV.SSFR.HHN. ML:1.3 0.000177 0.14 AML other m 2020-11-25T20:20:26.69
IV.ARVD.HHN. ML:0.6 0.0000279 0.1 AML other m 2020-11-25T20:20:26.96
IV.ARVD.HHE. ML:0.6 0.000028400000000000003 0.46 AML other m 2020-11-25T20:20:28.53
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