Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-07-2020 and time 20:09:39 (Italy) in region 1 km SW Mergo (AN)

A magnitude ML 1.2 earthquake occured in region: 1 km SW Mergo (AN), on

  • 11-07-2020 18:09:39 (UTC)
  • 11-07-2020 20:09:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4630, 13.0280 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Mergo AN 1 1037 1037
Serra San Quirico AN 2 2850 3887
Rosora AN 4 1985 5872
Castelplanio AN 6 3540 9412
Poggio San Marcello AN 7 693 10105
Cupramontana AN 7 4756 14861
Maiolati Spontini AN 8 6248 21109
Montecarotto AN 8 1987 23096
Arcevia AN 8 4612 27708
Genga AN 8 1797 29505
Serra de' Conti AN 9 3746 33251
Monte Roberto AN 9 3061 36312
Castelbellino AN 10 4947 41259
Poggio San Vicino MC 11 246 41505
Apiro MC 11 2280 43785
San Paolo di Jesi AN 12 933 44718
Barbara AN 13 1368 46086
Staffolo AN 13 2253 48339
Sassoferrato AN 14 7285 55624
Ostra Vetere AN 16 3311 58935
Cerreto d'Esi AN 16 3817 62752
Castelleone di Suasa AN 17 1676 64428
San Lorenzo in Campo PU 17 3414 67842
Fabriano AN 17 31480 99322
Belvedere Ostrense AN 17 2234 101556
Cingoli MC 18 10352 111908
Jesi AN 19 40399 152307
Pergola PU 19 6333 158640
San Marcello AN 19 2057 160697
Ostra AN 20 6875 167572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km S of Fano (60888 inhabitants)
43 Km W of Ancona (100861 inhabitants)
51 Km S of Pesaro (94582 inhabitants)
62 Km NE of Foligno (57155 inhabitants)
65 Km NE of Perugia (166134 inhabitants)
76 Km SE of Rimini (147750 inhabitants)
92 Km E of Arezzo (99543 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.2 2020-07-11
18:09:39		 43.463 13.0278 14 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84756401
Reviewed
Rev100 		ML 1.1 2020-07-11
18:09:39		 43.4662 13.0313 15 2020-07-11
18:15:05		 Sala Sismica INGV-Roma 80960251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-11 18:09:39 ± 0.07
Latitude 43.4630 ± 0.0036
Longitude 13.0278 ± 0.0037
Depth (km) 14 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84756401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 61
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
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) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.41639
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 84756401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-15 22:35:29

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80960251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-11 18:15:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-07-11T18:09:52.50 0.3 undecidable manual S 295 39.5271 96 0.22 68
IV.PIEI.HHZ. 2020-07-11T18:09:52.52 0.3 undecidable manual S 282 40.4262 96 -0.01 71
IV.SNTG.HHZ. 2020-07-11T18:09:48.23 0.3 undecidable manual S 197 24.1536 104 0 72
IV.FRON.EHZ. 2020-07-11T18:09:48.65 0.1 undecidable manual S 284 25.0527 103 0.18 93
IV.MURB.HHZ. 2020-07-11T18:09:47.99 0.3 undecidable manual P 242 46.2204 95 0.19 67
IV.SSFR.HHZ. 2020-07-11T18:09:47.15 0.3 undecidable manual S 262 19.9689 109 -0.03 73
IV.NARO.HHZ. 2020-07-11T18:09:46.59 0.3 undecidable manual P 295 39.5271 96 -0.18 68
IV.PIEI.HHZ. 2020-07-11T18:09:46.80 0.3 undecidable manual P 282 40.4262 96 -0.11 69
IV.EL6.EHZ. 2020-07-11T18:09:46.22 0.1 undecidable manual S 158 15.9729 117 0.03 98
IV.CING.HNE. 2020-07-11T18:09:46.43 0.3 undecidable manual S 126 16.6722 116 0.09 73
IV.ARVD.HHZ. 2020-07-11T18:09:44.40 0.1 undecidable manual S 299 7.9809 143 -0.15 97
IV.SNTG.HHZ. 2020-07-11T18:09:44.33 0.1 undecidable manual P 197 24.1536 104 -0.1 95
IV.FRON.EHZ. 2020-07-11T18:09:44.51 0.1 undecidable manual P 284 25.0527 103 -0.06 96
IV.MMUR.HNE. 2020-07-11T18:09:44.00 0.1 undecidable manual S 226 3.3966 163 0.01 100
IV.CING.HNE. 2020-07-11T18:09:43.34 0.1 undecidable manual P 126 16.6722 116 0 98
IV.SSFR.HHZ. 2020-07-11T18:09:43.75 0.1 undecidable manual P 262 19.9689 109 -0.07 96
IV.EL6.EHZ. 2020-07-11T18:09:43.26 0.1 undecidable manual P 158 15.9729 117 0.01 98
IV.MMUR.HNE. 2020-07-11T18:09:42.11 0.3 undecidable manual P 226 3.3966 163 0.13 73
IV.ARVD.HHZ. 2020-07-11T18:09:42.25 0.1 undecidable manual P 299 7.9809 143 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.2 0.00015900000000000002 0.1 AML other m 2020-07-11T18:09:44.63
IV.ARVD.HHN. ML:1.0 0.0001033 1.04 AML other m 2020-07-11T18:09:45.63
IV.EL6.EHE. ML:1.4 0.00020114999999999998 0.2 AML other m 2020-07-11T18:09:46.89
IV.EL6.EHN. ML:1.4 0.00019664999999999998 0.4 AML other m 2020-07-11T18:09:46.95
IV.SSFR.HHN. ML:1.4 0.000179 0.18 AML other m 2020-07-11T18:09:47.46
IV.SSFR.HHE. ML:1.4 0.0001655 0.84 AML other m 2020-07-11T18:09:48.82
IV.SNTG.HHN. ML:0.7 0.00002855 0.14 AML other m 2020-07-11T18:09:48.67
IV.FRON.EHE. ML:1.0 0.000048799999999999994 1.56 AML other m 2020-07-11T18:09:48.85
IV.FRON.EHN. ML:1.1 0.00006470000000000001 0.18 AML other m 2020-07-11T18:09:49.42
IV.SNTG.HHE. ML:0.6 0.0000236 1.18 AML other m 2020-07-11T18:09:49.07
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