Earthquake with magnitude of Md 0.9 on date 24-08-2020 and time 20:37:18 (Italy) in region 4 km W Frontone (PU)

A magnitude Md 0.9 earthquake occured in region: 4 km W Frontone (PU), on

  • 24-08-2020 18:37:18 (UTC)
  • 24-08-2020 20:37:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5000, 12.6970 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
Frontone PU 4 1300 1300
Serra Sant'Abbondio PU 6 1027 2327
Cantiano PU 6 2245 4572
Cagli PU 7 8731 13303
Scheggia e Pascelupo PG 11 1393 14696
Acqualagna PU 13 4393 19089
Pergola PU 13 6333 25422
Sassoferrato AN 15 7285 32707
Costacciaro PG 16 1216 33923
Piobbico PU 18 2029 35952
Gubbio PG 19 32216 68168
Sigillo PG 19 2404 70572
Arcevia AN 20 4612 75184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Fano (60888 inhabitants)
49 Km SW of Pesaro (94582 inhabitants)
50 Km NE of Perugia (166134 inhabitants)
60 Km N of Foligno (57155 inhabitants)
63 Km S of Rimini (147750 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
68 Km W of Ancona (100861 inhabitants)
80 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
Md 0.9 2020-08-24
18:37:18
43.5002 12.6973 15 2020-08-24
18:43:46
Sala Sismica INGV-Roma 82296291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-24 18:37:18 ± 0.11
Latitude 43.5002 ± 0.0027
Longitude 12.6973 ± 0.0074
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 82296291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 532
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
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) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.17537
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 5
Type of magnitude Md
Reference to an origin 82296291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-24 18:43:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HNZ. 2020-08-24T18:37:27.02 0.6 undecidable manual S 264 19.4694 114 0.34 46
IV.ATFO.HHN. 2020-08-24T18:37:26.46 0.6 undecidable manual S 214 17.9709 117 0.14 48
IV.PIEI.HHZ. 2020-08-24T18:37:25.07 0.6 undecidable manual S 287 13.6752 127 -0.27 48
IV.NARO.HHZ. 2020-08-24T18:37:25.56 0.6 undecidable manual S 323 15.4734 122 -0.18 49
IV.MPAG.EHZ. 2020-08-24T18:37:25.79 0.3 undecidable manual S 19 15.1737 123 0.11 73
IV.ATSC.EHE. 2020-08-24T18:37:24.33 0.6 undecidable manual S 186 8.4804 143 -0.05 50
IV.ATFO.HHN. 2020-08-24T18:37:23.04 0.1 undecidable manual P 214 17.9709 117 -0.1 98
IV.ATPC.HNZ. 2020-08-24T18:37:23.39 0.1 undecidable manual P 264 19.4694 114 0.04 98
IV.FRON.EHZ. 2020-08-24T18:37:23.75 0.6 undecidable manual S 50 2.997 166 0 51
IV.MPAG.EHZ. 2020-08-24T18:37:22.91 0.1 undecidable manual P 19 15.1737 123 0.14 97
IV.PIEI.HHZ. 2020-08-24T18:37:22.48 0.6 undecidable manual P 287 13.6752 127 -0.1 50
IV.NARO.HHZ. 2020-08-24T18:37:22.73 0.6 undecidable manual P 323 15.4734 122 -0.08 50
IV.FRON.EHZ. 2020-08-24T18:37:21.66 0.6 negative manual P 50 2.997 166 0 51
IV.ATSC.EHE. 2020-08-24T18:37:21.97 0.1 undecidable manual P 186 8.4804 143 -0.05 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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