Earthquake with magnitude of ML 0.9 on date 13-01-2021 and time 19:28:40 (UTC) in region 7 km S Sassoferrato (AN)

A magnitude ML 0.9 earthquake occured in region: 7 km S Sassoferrato (AN), on

  • 13-01-2021 19:28:40 (UTC)
  • 13-01-2021 20:28:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3780, 12.8380 at 12 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 7 7285 7285
Fabriano AN 7 31480 38765
Sigillo PG 9 2404 41169
Genga AN 10 1797 42966
Costacciaro PG 10 1216 44182
Fossato di Vico PG 11 2840 47022
Cerreto d'Esi AN 14 3817 50839
Serra Sant'Abbondio PU 14 1027 51866
Scheggia e Pascelupo PG 14 1393 53259
Arcevia AN 16 4612 57871
Serra San Quirico AN 16 2850 60721
Esanatoglia MC 17 2034 62755
Gualdo Tadino PG 17 15208 77963
Frontone PU 17 1300 79263
Mergo AN 19 1037 80300
Matelica MC 19 9981 90281
Poggio San Vicino MC 20 246 90527

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
54 Km S of Fano (60888 inhabitants)
60 Km S of Pesaro (94582 inhabitants)
61 Km W of Ancona (100861 inhabitants)
78 Km E of Arezzo (99543 inhabitants)
79 Km S of Rimini (147750 inhabitants)
92 Km N of Terni (111501 inhabitants)
97 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 0.9 2021-01-13
19:28:40
43.3785 12.8378 12 2021-01-13
19:36:47
Sala Sismica INGV-Roma 86231741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-13 19:28:40 ± 0.04
Latitude 43.3785 ± 0.0027
Longitude 12.8378 ± 0.0025
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86231741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 86231741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-13 19:36:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIU1.HNZ. 2021-01-13T19:28:52.38 3.0 undecidable manual S 0
IV.NARO.HHZ. 2021-01-13T19:28:52.00 0.6 undecidable manual S 321 33.0447 94 0.17 47
IV.MPAG.EHZ. 2021-01-13T19:28:50.73 0.6 undecidable manual S 347 28.5492 95 0.1 48
IV.MURB.HHZ. 2021-01-13T19:28:50.93 0.6 undecidable manual S 243 28.3494 95 0.35 45
IV.PIEI.HHZ. 2021-01-13T19:28:50.90 0.6 undecidable manual S 306 29.9478 95 -0.11 48
IV.ATCC.EHZ. 2021-01-13T19:28:50.29 0.6 undecidable manual S 217 26.751 96 0.14 48
IV.SAP2.EHZ. 2021-01-13T19:28:49.11 3.0 undecidable manual P -0.2 0
IV.EL6.EHZ. 2021-01-13T19:28:48.96 0.6 undecidable manual S 104 21.9669 99 0.07 49
IV.FDMO.HHZ. 2021-01-13T19:28:48.29 3.0 negative manual P 0.71 0
IV.ATFO.HHZ. 2021-01-13T19:28:48.80 0.6 undecidable manual S 267 21.5673 99 0.03 49
IV.FIU1.HNZ. 2021-01-13T19:28:47.24 3.0 undecidable manual P 0
IV.ARVD.HHZ. 2021-01-13T19:28:47.20 0.6 undecidable manual S 32 15.6732 109 -0.05 49
IV.FRON.EHZ. 2021-01-13T19:28:47.76 0.6 undecidable manual S 330 17.871 104 -0.06 49
IV.SNTG.HHZ. 2021-01-13T19:28:47.16 0.6 undecidable manual S 149 15.9729 108 -0.18 48
IV.PIEI.HHZ. 2021-01-13T19:28:46.33 0.1 undecidable manual P 306 29.9478 95 -0.26 92
IV.ATCC.EHZ. 2021-01-13T19:28:46.05 0.1 undecidable manual P 217 26.751 96 -0.04 97
IV.NARO.HHZ. 2021-01-13T19:28:46.92 0.1 undecidable manual P 321 33.0447 94 -0.14 94
IV.CING.HNZ. 2021-01-13T19:28:46.26 0.3 undecidable manual P 91 28.8489 95 -0.15 70
IV.MPAG.EHZ. 2021-01-13T19:28:46.43 0.1 undecidable manual P 347 28.5492 95 0.07 96
IV.MURB.HHZ. 2021-01-13T19:28:46.49 0.1 undecidable manual P 243 28.3494 95 0.16 95
IV.ATFO.HHZ. 2021-01-13T19:28:45.20 0.1 undecidable manual P 267 21.5673 99 -0.09 97
IV.SSFR.HHZ. 2021-01-13T19:28:45.59 0.6 undecidable manual S 325 7.7811 138 0.09 49
IV.FOSV.EHZ. 2021-01-13T19:28:45.93 0.6 undecidable manual S 214 11.1777 124 -0.24 48
IV.EL6.EHZ. 2021-01-13T19:28:45.61 0.1 undecidable manual P 104 21.9669 99 0.25 95
IV.SNTG.HHZ. 2021-01-13T19:28:44.19 1.0 undecidable manual P 149 15.9729 108 -0.28 23
IV.ARVD.HHZ. 2021-01-13T19:28:44.40 0.1 undecidable manual P 32 15.6732 109 -0.01 99
IV.FRON.EHZ. 2021-01-13T19:28:44.69 0.1 undecidable manual P 330 17.871 104 -0.05 98
IV.ATSC.EHZ. 2021-01-13T19:28:44.03 0.1 undecidable manual P 293 13.1757 117 -0.03 100
IV.FOSV.EHZ. 2021-01-13T19:28:43.64 1.0 undecidable manual P 214 11.1777 124 -0.15 24
IV.SSFR.HHZ. 2021-01-13T19:28:43.53 0.1 undecidable manual P 325 7.7811 138 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:1.1 0.0001578899 0.1408 AML other m 2021-01-13T19:28:46.44
IV.SSFR.HHN. ML:1.0 0.00012130789999999999 0.1792 AML other m 2021-01-13T19:28:46.37
IV.FOSV.EHE. ML:1.3 0.0002 0.08 AML other m 2021-01-13T19:28:46.05
IV.FOSV.EHN. ML:1.2 0.000169 0.08 AML other m 2021-01-13T19:28:46.14
IV.ARVD.HHN. ML:0.5 0.000027099999999999998 0.06 AML other m 2021-01-13T19:28:47.49
IV.ARVD.HHE. ML:0.6 0.000031747095000000006 0.0768 AML other m 2021-01-13T19:28:47.45
IV.FRON.EHN. ML:0.9 0.00006429999999999999 1.86 AML other m 2021-01-13T19:28:48.05
IV.FRON.EHE. ML:0.9 0.00006745182999999999 0.1408 AML other m 2021-01-13T19:28:47.97
IV.SSFR.HNE. ML:1.5 0.00036791360000000003 0.0512 AML other m 2021-01-13T19:28:45.74
IV.SSFR.HNN. ML:1.2 0.0001997634 0.0512 AML other m 2021-01-13T19:28:46.04
IV.SNTG.HHE. ML:0.5 0.000025368414999999997 0.1664 AML other m 2021-01-13T19:28:48.01
IV.ATFO.HHN. ML:0.5 0.000017787469 0.0768 AML other m 2021-01-13T19:28:48.95
IV.ATCC.EHN. ML:0.8 0.000030336629999999996 0.1792 AML other m 2021-01-13T19:28:50.73
IV.PIEI.HHE. ML:0.8 0.000028860400000000002 0.0512 AML other m 2021-01-13T19:28:51.48
IV.PIEI.HHN. ML:0.5 0.000017147955 0.2432 AML other m 2021-01-13T19:28:51.15
IV.MPAG.EHE. ML:0.6 0.000022357153 0.064 AML other m 2021-01-13T19:28:51.11
IV.MURB.HNE. ML:1.4 0.00011385081999999999 0.64 AML other m 2021-01-13T19:28:50.90
IV.MURB.HHN. ML:1.0 0.000046977875 0.2816 AML other m 2021-01-13T19:28:52.33
IV.NARO.HHE. ML:0.7 0.000018810809999999997 0.064 AML other m 2021-01-13T19:28:53.13
IV.NARO.HHN. ML:0.6 0.000015037720999999999 0.064 AML other m 2021-01-13T19:28:52.39
IV.SAP2.EHE. ML:1.4 0.000061862495 0.0896 AML other m 2021-01-13T19:28:51.17
IV.SAP2.EHN. ML:2.0 0.0002508906 0.0512 AML other m 2021-01-13T19:28:49.55
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