Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 11-08-2020 and time 21:34:17 (Italy) in region 4 km SW Serrapetrona (MC)

A magnitude ML 1.7 earthquake occured in region: 4 km SW Serrapetrona (MC), on

  • 11-08-2020 19:34:17 (UTC)
  • 11-08-2020 21:34:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1460, 13.1720 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serrapetrona MC 4 966 966
Caldarola MC 5 1823 2789
Belforte del Chienti MC 6 1886 4675
Camporotondo di Fiastrone MC 8 563 5238
Cessapalombo MC 8 512 5750
Camerino MC 9 6974 12724
San Severino Marche MC 9 12726 25450
Pievebovigliana MC 12 866 26316
Tolentino MC 12 20069 46385
Castelraimondo MC 12 4587 50972
Fiastra MC 12 559 51531
Muccia MC 12 915 52446
San Ginesio MC 13 3498 55944
Acquacanina MC 13 121 56065
Gagliole MC 13 620 56685
Fiordimonte MC 14 202 56887
Pieve Torina MC 15 1458 58345
Colmurano MC 15 1263 59608
Pioraco MC 16 1134 60742
Ripe San Ginesio MC 16 852 61594
Gualdo MC 16 815 62409
Sarnano MC 16 3264 65673
Bolognola MC 17 142 65815
Urbisaglia MC 18 2628 68443
Sefro MC 18 422 68865
Matelica MC 18 9981 78846
Sant'Angelo in Pontano MC 19 1436 80282
Serravalle di Chienti MC 20 1070 81352
Pollenza MC 20 6618 87970

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
60 Km SW of Ancona (100861 inhabitants)
64 Km E of Perugia (166134 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
78 Km NE of Terni (111501 inhabitants)
79 Km S of Fano (60888 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
90 Km N of L'Aquila (69753 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 1.7 2020-08-11
19:34:17		 43.1457 13.172 11 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82522171
Reviewed
Rev100 		ML 1.8 2020-08-11
19:34:17		 43.1507 13.1755 11 2020-08-11
19:43:00		 Sala Sismica INGV-Roma 81886041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-11 19:34:17 ± 0.04
Latitude 43.1457 ± 0.0027
Longitude 13.1720 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82522171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63312
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 81886041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-11 19:43:00

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 82522171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-01 07:21:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-08-11T19:35:11.29 3.0 undecidable manual Sg 4.44 0
IV.ATCC.EHZ. 2020-08-11T19:34:32.60 0.3 undecidable manual S 276 43.2234 50 0.71 59
IV.ARVD.HHZ. 2020-08-11T19:34:32.32 0.3 undecidable manual S 335 43.3233 50 0.42 65
IV.NARO.HHZ. 2020-08-11T19:34:30.08 0.1 undecidable manual P 317 70.2741 50 -0.04 89
IV.MPAG.EHZ. 2020-08-11T19:34:29.01 0.1 undecidable manual P 328 63.0924 50 -0.01 91
IV.TERO.HHZ. 2020-08-11T19:34:29.45 0.3 undecidable manual P 149 67.7766 50 -0.29 64
IV.NRCA.HHZ. 2020-08-11T19:34:29.44 0.1 undecidable manual S 188 34.9428 50 -0.23 91
IV.PIEI.HHZ. 2020-08-11T19:34:29.63 0.3 undecidable manual P 310 67.1772 50 -0.01 67
IV.ATVO.HHZ. 2020-08-11T19:34:29.61 0.3 undecidable manual P 293 67.1772 50 -0.03 67
IV.MMO1.EHZ. 2020-08-11T19:34:28.05 0.1 undecidable manual S 155 30.0477 50 -0.32 90
IV.MF5.EHZ. 2020-08-11T19:34:28.72 0.1 undecidable manual S 127 29.1486 50 0.59 84
IV.COR1.EHZ. 2020-08-11T19:34:28.53 0.3 undecidable manual P 346 55.6998 50 0.66 58
IV.MURB.HHZ. 2020-08-11T19:34:27.84 0.1 undecidable manual P 284 53.9016 50 0.24 88
IV.MC2.EHZ. 2020-08-11T19:34:27.16 0.1 undecidable manual S 177 26.0517 50 -0.13 95
IV.OFFI.HHZ. 2020-08-11T19:34:27.44 0.1 undecidable manual P 119 47.7189 50 0.78 75
IV.CESI.HHZ. 2020-08-11T19:34:27.93 0.6 undecidable manual S 234 26.751 50 0.46 44
IV.GAVE.EHZ. 2020-08-11T19:34:27.95 0.1 undecidable manual P 204 55.1004 50 0.16 89
IV.MTRA.EHZ. 2020-08-11T19:34:26.04 0.3 undecidable manual P 157 46.8198 50 -0.47 64
IV.FEMA.HNE. 2020-08-11T19:34:26.56 0.1 undecidable manual S 206 22.6551 50 0.17 94
IV.CING.HNE. 2020-08-11T19:34:26.92 0.3 undecidable manual S 4 25.5522 50 -0.25 69
IV.ASSB.HHZ. 2020-08-11T19:34:25.79 0.1 undecidable manual P 255 43.1235 50 -0.15 91
IV.SEF1.HNE. 2020-08-11T19:34:25.44 0.1 undecidable manual S 270 18.1707 50 0.25 94
IV.MNTT.EHZ. 2020-08-11T19:34:25.02 0.1 undecidable manual P 105 35.5422 50 0.25 91
IV.EL6.EHZ. 2020-08-11T19:34:25.99 0.1 undecidable manual S 344 21.1677 50 0 98
IV.SAP2.EHZ. 2020-08-11T19:34:25.68 0.1 undecidable manual S 106 19.1697 50 0.22 94
IV.FIU1.HNE. 2020-08-11T19:34:25.67 0.3 undecidable manual S 284 20.0688 50 -0.01 73
IV.ATCC.EHZ. 2020-08-11T19:34:25.96 0.1 undecidable manual P 276 43.2234 50 0 94
IV.ARVD.HHZ. 2020-08-11T19:34:25.65 0.1 undecidable manual P 335 43.3233 50 -0.32 88
IV.MML1.EHZ. 2020-08-11T19:34:25.09 0.1 undecidable manual S 258 16.5723 123 0.33 92
IV.NRCA.HHZ. 2020-08-11T19:34:24.32 0.1 negative manual P 188 34.9428 50 -0.36 89
IV.FDMO.HHN. 2020-08-11T19:34:24.00 0.1 undecidable manual S 210 13.875 128 -0.01 99
IV.MMUR.HNE. 2020-08-11T19:34:24.44 0.6 undecidable manual P 337 35.742 50 -0.37 44
IV.GUMA.HHZ. 2020-08-11T19:34:24.84 0.1 undecidable manual S 125 16.0728 124 0.22 94
IV.MNTP.HNZ. 2020-08-11T19:34:23.06 0.1 undecidable manual P 92 24.0537 50 0.06 96
IV.CESI.HHZ. 2020-08-11T19:34:23.37 0.1 positive manual P 234 26.751 50 -0.04 96
IV.MMO1.EHZ. 2020-08-11T19:34:23.44 0.1 undecidable manual P 155 30.0477 50 -0.49 87
IV.MC2.EHZ. 2020-08-11T19:34:23.07 0.1 positive manual P 177 26.0517 50 -0.23 93
IV.MF5.EHZ. 2020-08-11T19:34:23.82 0.1 undecidable manual P 127 29.1486 50 0.03 96
IV.SAP2.EHZ. 2020-08-11T19:34:22.54 0.1 undecidable manual P 106 19.1697 50 0.29 93
IV.FIU1.HNE. 2020-08-11T19:34:22.24 0.1 positive manual P 284 20.0688 50 -0.14 96
IV.MDAR.HNZ. 2020-08-11T19:34:22.23 0.1 undecidable manual S 336 5.6943 152 0.08 99
IV.CING.HNE. 2020-08-11T19:34:22.73 0.1 negative manual P 4 25.5522 50 -0.51 87
IV.FEMA.HNE. 2020-08-11T19:34:22.75 0.1 undecidable manual P 206 22.6551 50 -0.03 97
IV.CSP1.EHZ. 2020-08-11T19:34:22.48 0.1 undecidable manual S 156 6.5934 149 0.19 97
IV.SEF1.HNE. 2020-08-11T19:34:22.04 0.1 undecidable manual P 270 18.1707 50 -0.05 97
IV.EL6.EHZ. 2020-08-11T19:34:22.23 0.1 negative manual P 344 21.1677 50 -0.33 92
IT.MTCL.HGZ. 2020-08-11T19:34:22.54 0.1 undecidable manual P 220 21.867 50 -0.13 95
IV.PF6.EHE. 2020-08-11T19:34:21.60 0.1 undecidable manual S 116 1.998 170 -0.12 99
IV.GUMA.HHZ. 2020-08-11T19:34:21.71 0.1 positive manual P 125 16.0728 124 -0.05 98
IV.MML1.EHZ. 2020-08-11T19:34:21.83 0.1 positive manual P 258 16.5723 123 -0.02 98
IV.FDMO.HHN. 2020-08-11T19:34:21.30 0.1 undecidable manual P 210 13.875 128 -0.11 97
IV.SSM1.HNN. 2020-08-11T19:34:20.60 0.1 undecidable manual P 3 9.1797 140 -0.13 97
IV.MDAR.HNZ. 2020-08-11T19:34:20.37 0.1 undecidable manual P 336 5.6943 152 0.03 100
IV.CSP1.EHZ. 2020-08-11T19:34:20.47 0.1 positive manual P 156 6.5934 149 0.05 99
IV.PF6.EHE. 2020-08-11T19:34:19.97 0.1 undecidable manual P 116 1.998 170 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MDAR.HNN. ML:1.9 0.0013089999999999998 0.76 AML other m 2020-08-11T19:34:22.25
IV.MDAR.HNE. ML:2.0 0.001685 0.36 AML other m 2020-08-11T19:34:22.34
IV.CSP1.EHE. ML:1.9 0.001135 0.5 AML other m 2020-08-11T19:34:22.86
IV.CSP1.EHN. ML:1.5 0.0004465 0.86 AML other m 2020-08-11T19:34:23.81
IV.GUMA.HHN. ML:1.8 0.0005515 0.24 AML other m 2020-08-11T19:34:25.13
IV.GUMA.HHE. ML:1.8 0.0005629999999999999 0.28 AML other m 2020-08-11T19:34:25.42
IV.SAP2.EHE. ML:1.6 0.000299 0.68 AML other m 2020-08-11T19:34:26.11
IV.EL6.EHN. ML:1.8 0.00046899999999999996 1.34 AML other m 2020-08-11T19:34:26.12
IV.EL6.EHE. ML:1.8 0.0004525 0.72 AML other m 2020-08-11T19:34:27.83
IV.SAP2.EHN. ML:2.4 0.002015 0.24 AML other m 2020-08-11T19:34:27.94
IV.CESI.HHN. ML:2.0 0.0005625 0.16 AML other m 2020-08-11T19:34:28.19
IV.CESI.HHE. ML:1.9 0.0004725 0.38 AML other m 2020-08-11T19:34:28.03
IV.NRCA.HHE. ML:1.9 0.0003395 1.88 AML other m 2020-08-11T19:34:30.96
IV.NRCA.HHN. ML:1.9 0.0003125 1.26 AML other m 2020-08-11T19:34:32.72
IV.ASSB.HHE. ML:1.6 0.00011779999999999999 0.48 AML other m 2020-08-11T19:34:32.66
IV.MNTT.EHN. ML:1.8 0.000253 1.4 AML other m 2020-08-11T19:34:32.85
IV.ARVD.HHN. ML:1.2 0.000051500000000000005 1.2 AML other m 2020-08-11T19:34:33.60
IV.ATCC.EHN. ML:1.6 0.00014000000000000001 1.7 AML other m 2020-08-11T19:34:33.96
IV.ARVD.HHE. ML:1.3 0.00006615 0.18 AML other m 2020-08-11T19:34:33.29
IV.ASSB.HHN. ML:1.6 0.000133 0.42 AML other m 2020-08-11T19:34:33.70
IV.MTRA.EHE. ML:1.8 0.000183 0.88 AML other m 2020-08-11T19:34:34.46
IV.ATCC.EHE. ML:1.5 0.00009989999999999999 0.2 AML other m 2020-08-11T19:34:34.52
IV.MTRA.EHN. ML:1.9 0.00022 1.54 AML other m 2020-08-11T19:34:34.07
IV.MNTT.EHE. ML:1.8 0.000245 0.4 AML other m 2020-08-11T19:34:35.53
IV.MURB.HHN. ML:1.6 0.00009365 0.16 AML other m 2020-08-11T19:34:36.51
IV.OFFI.HHN. ML:1.6 0.0001205 0.54 AML other m 2020-08-11T19:34:36.99
IV.MURB.HHE. ML:1.7 0.00011805 0.26 AML other m 2020-08-11T19:34:36.72
IV.GAVE.EHE. ML:2.0 0.0002415 0.22 AML other m 2020-08-11T19:34:37.25
IV.GAVE.EHN. ML:2.0 0.00021100000000000003 0.26 AML other m 2020-08-11T19:34:38.19
IV.OFFI.HHE. ML:1.6 0.00009975 1.76 AML other m 2020-08-11T19:34:39.98
IV.MPAG.EHN. ML:1.3 0.00003705 0.72 AML other m 2020-08-11T19:34:39.41
IV.ATVO.HHN. ML:1.3 0.00003555 0.32 AML other m 2020-08-11T19:34:39.60
IV.ATVO.HHE. ML:1.4 0.0000407 0.3 AML other m 2020-08-11T19:34:39.62
IV.PIEI.HHN. ML:1.6 0.00006659999999999999 0.3 AML other m 2020-08-11T19:34:39.43
IV.MPAG.EHE. ML:1.4 0.00004795 0.74 AML other m 2020-08-11T19:34:39.71
IV.TERO.HHE. ML:1.5 0.000059749999999999995 0.1 AML other m 2020-08-11T19:34:40.51
IV.NARO.HHE. ML:1.2 0.00002495 0.24 AML other m 2020-08-11T19:34:40.65
IV.NARO.HHN. ML:1.1 0.00001975 0.68 AML other m 2020-08-11T19:34:40.95
IV.TERO.HHN. ML:1.5 0.0000586 0.5 AML other m 2020-08-11T19:34:41.03
IV.PIEI.HHE. ML:1.4 0.000043299999999999995 0.36 AML other m 2020-08-11T19:34:43.71
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