Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-02-2020 and time 19:23:31 (Italy) in region 3 km E Acquacanina (MC)

A magnitude ML 1.6 earthquake occured in region: 3 km E Acquacanina (MC), on

  • 18-02-2020 18:23:31 (UTC)
  • 18-02-2020 19:23:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0350, 13.2080 at 28 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
Acquacanina MC 3 121 121
Fiastra MC 4 559 680
Bolognola MC 5 142 822
Sarnano MC 8 3264 4086
Cessapalombo MC 9 512 4598
Fiordimonte MC 10 202 4800
Pievebovigliana MC 10 866 5666
Gualdo MC 11 815 6481
Ussita MC 12 444 6925
Caldarola MC 12 1823 8748
Camporotondo di Fiastrone MC 12 563 9311
San Ginesio MC 12 3498 12809
Pieve Torina MC 13 1458 14267
Amandola FM 14 3629 17896
Muccia MC 14 915 18811
Belforte del Chienti MC 15 1886 20697
Montefortino FM 15 1178 21875
Visso MC 15 1107 22982
Camerino MC 16 6974 29956
Serrapetrona MC 16 966 30922
Castelsantangelo sul Nera MC 16 281 31203
Sant'Angelo in Pontano MC 17 1436 32639
Monte Cavallo MC 17 145 32784
Penna San Giovanni MC 18 1108 33892
Ripe San Ginesio MC 18 852 34744
Montemonaco AP 18 604 35348
Monte San Martino MC 19 765 36113
Comunanza AP 19 3166 39279
Colmurano MC 19 1263 40542
Smerillo FM 20 365 40907

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
67 Km E of Perugia (166134 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
70 Km NE of Terni (111501 inhabitants)
78 Km N of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
96 Km NW of Montesilvano (53738 inhabitants)
100 Km S of Pesaro (94582 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 1.6 2020-02-18
18:23:31		 43.0353 13.2075 28 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78541961
Reviewed
Rev100 		ML 1.6 2020-02-18
18:23:30		 43.0283 13.1873 31 2020-02-18
18:30:23		 Sala Sismica INGV-Roma 76633741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 18:23:31 ± 0.14
Latitude 43.0353 ± 0.0054
Longitude 13.2075 ± 0.0074
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78541961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 332
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 78541961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-24 16:37:21

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 76633741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 18:30:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2020-02-18T18:23:59.50 3.0 undecidable manual S 0.23 0
IV.ATVO.HHN. 2020-02-18T18:23:55.44 0.6 undecidable manual S 301 75.369 105 0.83 35
IV.ATBU.EHZ. 2020-02-18T18:23:55.23 0.3 undecidable manual S 313 72.2721 105 1.4 39
IV.TB01.DHZ.01 2020-02-18T18:23:54.87 0.3 undecidable manual S 302 73.2711 105 0.78 54
IV.RMP.HHZ. 2020-02-18T18:23:53.20 3.0 undecidable manual Pn 0.11 0
IV.MOMA.HNZ. 2020-02-18T18:23:51.01 0.6 undecidable manual S 244 57.7977 110 0.87 36
IV.MURB.HHZ. 2020-02-18T18:23:51.52 0.3 undecidable manual S 295 60.7947 109 0.63 59
IV.RM33.EHZ. 2020-02-18T18:23:50.99 0.6 undecidable manual S 179 58.3971 109 0.7 38
IV.TERO.HHZ. 2020-02-18T18:23:50.25 0.6 undecidable manual S 145 55.9995 110 0.57 40
IV.ATSC.EHE. 2020-02-18T18:23:50.84 0.3 undecidable manual S 316 60.2952 109 0.08 67
IV.SSFR.HHZ. 2020-02-18T18:23:49.96 0.3 undecidable manual S 322 56.1993 110 0.22 65
IV.ATCC.EHZ. 2020-02-18T18:23:48.09 0.3 undecidable manual S 290 48.9177 114 0.17 68
IV.GAVE.EHZ. 2020-02-18T18:23:48.67 0.6 undecidable manual S 214 45.8208 115 1.5 27
IV.SMA1.EHZ. 2020-02-18T18:23:47.49 0.3 undecidable manual S 167 46.1205 115 0.25 67
IV.FOSV.EHZ. 2020-02-18T18:23:47.20 0.3 undecidable manual S 309 46.2204 115 -0.07 69
IV.ATVO.HHN. 2020-02-18T18:23:45.17 0.3 undecidable manual P 301 75.369 105 0.34 62
IV.TB02.DHZ.01 2020-02-18T18:23:45.01 0.3 undecidable manual P 300 74.4699 105 0.3 62
IV.ATBU.EHZ. 2020-02-18T18:23:44.28 0.3 undecidable manual P 313 72.2721 105 -0.1 66
IV.EL6.EHZ. 2020-02-18T18:23:44.57 0.3 undecidable manual S 345 33.744 124 0.2 68
IV.TB01.DHZ.01 2020-02-18T18:23:44.99 0.3 undecidable manual P 302 73.2711 105 0.46 60
IV.MTRA.EHZ. 2020-02-18T18:23:44.53 0.3 undecidable manual S 154 34.5432 123 -0.01 71
IV.SNTG.HHZ. 2020-02-18T18:23:43.85 0.3 undecidable manual S 319 32.5452 125 -0.26 68
IV.MOMA.HNZ. 2020-02-18T18:23:42.83 0.6 undecidable manual P 244 57.7977 110 0.58 40
IV.NRCA.HHZ. 2020-02-18T18:23:42.10 0.3 undecidable manual S 199 23.6541 135 -0.18 70
IV.MURB.HHZ. 2020-02-18T18:23:42.52 0.3 undecidable manual P 295 60.7947 109 -0.16 66
IV.CESI.HHZ. 2020-02-18T18:23:42.43 0.3 undecidable manual S 262 24.753 134 -0.07 71
IV.RM33.EHZ. 2020-02-18T18:23:42.08 0.3 undecidable manual P 179 58.3971 109 -0.26 65
IV.MF5.EHZ. 2020-02-18T18:23:42.62 0.3 undecidable manual S 104 21.1677 139 0.79 58
IV.TERO.HHZ. 2020-02-18T18:23:42.76 0.6 undecidable manual P 145 55.9995 110 0.77 37
IV.ATSC.EHE. 2020-02-18T18:23:42.39 0.3 undecidable manual P 316 60.2952 109 -0.22 65
IV.SAP2.EHZ. 2020-02-18T18:23:41.66 0.3 undecidable manual S 66 16.9719 145 0.52 65
IV.SSFR.HHZ. 2020-02-18T18:23:41.49 0.3 undecidable manual P 322 56.1993 110 -0.53 62
IV.MML1.HNZ. 2020-02-18T18:23:41.61 0.3 undecidable manual S 294 20.9679 139 -0.19 70
IV.LNSS.HNZ. 2020-02-18T18:23:41.20 0.3 undecidable manual P 196 49.8168 113 0.09 68
IV.MMO1.EHZ. 2020-02-18T18:23:41.33 0.3 undecidable manual S 147 17.9709 144 0.04 73
IV.ATCC.EHZ. 2020-02-18T18:23:40.52 0.3 undecidable manual P 290 48.9177 114 -0.45 63
IV.GAVE.EHZ. 2020-02-18T18:23:40.57 0.3 undecidable manual P 214 45.8208 115 0.03 70
IV.FDMO.HHZ. 2020-02-18T18:23:40.11 0.1 undecidable manual S 271 9.7791 159 -0.11 97
IV.MC2.EHZ. 2020-02-18T18:23:40.97 0.3 undecidable manual S 186 13.7751 151 0.28 70
IV.SMA1.EHZ. 2020-02-18T18:23:40.10 0.3 undecidable manual P 167 46.1205 115 -0.48 63
IV.ATPC.HHZ. 2020-02-18T18:23:40.47 3.0 undecidable manual P 0
IV.GUMA.HHZ. 2020-02-18T18:23:40.82 0.3 undecidable manual S 74 10.7781 156 0.49 66
IV.FEMA.HNZ. 2020-02-18T18:23:40.89 0.3 undecidable manual S 238 15.1737 148 0.02 74
IV.FOSV.EHZ. 2020-02-18T18:23:40.01 0.3 undecidable manual P 309 46.2204 115 -0.59 61
IV.PF6.EHZ. 2020-02-18T18:23:40.29 0.1 undecidable manual S 355 11.3775 155 -0.11 97
IV.CSP1.EHZ. 2020-02-18T18:23:39.92 0.1 undecidable manual S 358 6.2937 166 -0.02 100
IV.MTRA.EHZ. 2020-02-18T18:23:38.68 0.3 undecidable manual P 154 34.5432 123 -0.34 67
IV.SNTG.HHZ. 2020-02-18T18:23:38.29 0.3 undecidable manual P 319 32.5452 125 -0.48 65
IV.EL6.EHZ. 2020-02-18T18:23:38.56 0.3 undecidable manual P 345 33.744 124 -0.36 67
IV.MNTT.EHZ. 2020-02-18T18:23:38.93 0.3 undecidable manual P 84 31.6461 126 0.28 67
IV.MF5.EHZ. 2020-02-18T18:23:37.50 0.1 negative manual P 104 21.1677 139 0.05 96
IV.SAP2.EHZ. 2020-02-18T18:23:37.04 0.3 undecidable manual P 66 16.9719 145 -0.01 73
IV.MML1.HNZ. 2020-02-18T18:23:37.03 0.3 undecidable manual P 294 20.9679 139 -0.41 67
IV.NRCA.HHZ. 2020-02-18T18:23:37.37 0.1 positive manual P 199 23.6541 135 -0.35 90
IV.CESI.HHZ. 2020-02-18T18:23:37.47 0.1 positive manual P 262 24.753 134 -0.38 89
IV.GUMA.HHZ. 2020-02-18T18:23:36.53 0.1 undecidable manual P 74 10.7781 156 -0.06 99
IV.FEMA.HNZ. 2020-02-18T18:23:36.61 0.1 undecidable manual P 238 15.1737 148 -0.29 93
IV.MMO1.EHZ. 2020-02-18T18:23:36.96 0.1 undecidable manual P 147 17.9709 144 -0.18 95
IV.PF6.EHZ. 2020-02-18T18:23:36.16 0.1 undecidable manual P 355 11.3775 155 -0.47 90
IV.CSP1.EHZ. 2020-02-18T18:23:36.09 0.1 positive manual P 358 6.2937 166 -0.27 95
IV.FDMO.HHZ. 2020-02-18T18:23:36.08 0.1 undecidable manual P 271 9.7791 159 -0.45 90
IT.MTCL.HGZ. 2020-02-18T18:23:36.66 0.1 undecidable manual P 255 17.4714 144 -0.44 89
IV.MC2.EHZ. 2020-02-18T18:23:36.65 0.1 positive manual P 186 13.7751 151 -0.15 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.5 0.0001639457 0.2176 AML other m 2020-02-18T18:23:40.21
IV.CSP1.EHN. ML:1.4 0.00014249515000000002 0.1536 AML other m 2020-02-18T18:23:40.62
IV.SAP2.EHE. ML:1.5 0.0001605015 0.1792 AML other m 2020-02-18T18:23:42.84
IV.SAP2.EHN. ML:2.2 0.00069887455 0.1408 AML other m 2020-02-18T18:23:42.27
IV.NRCA.HHN. ML:1.4 0.00009862378 0.128 AML other m 2020-02-18T18:23:44.00
IV.NRCA.HHE. ML:1.5 0.00013084256 0.128 AML other m 2020-02-18T18:23:42.71
IV.CESI.HNN. ML:1.8 0.00026886389999999997 0.1536 AML other m 2020-02-18T18:23:42.68
IV.CESI.HHN. ML:1.8 0.00025657895000000003 0.1536 AML other m 2020-02-18T18:23:42.60
IV.CESI.HNE. ML:1.5 0.0001346792 0.128 AML other m 2020-02-18T18:23:42.53
IV.CESI.HHE. ML:1.7 0.00017821310000000002 0.128 AML other m 2020-02-18T18:23:42.60
IV.MF5.EHN. ML:1.5 0.00012345854 0.32 AML other m 2020-02-18T18:23:43.25
IV.MF5.EHE. ML:1.5 0.00014870933 0.384 AML other m 2020-02-18T18:23:43.50
IV.SNTG.HNE. ML:1.6 0.00013636915 2.3424 AML other m 2020-02-18T18:23:45.53
IV.SNTG.HHE. ML:0.9 0.000026812375 0.1152 AML other m 2020-02-18T18:23:44.57
IV.SNTG.HHN. ML:1.4 0.000073149925 0.2816 AML other m 2020-02-18T18:23:44.08
IV.SNTG.HNN. ML:1.8 0.0001890018 0.896 AML other m 2020-02-18T18:23:39.57
IV.EL6.EHN. ML:1.5 0.000093039185 0.2432 AML other m 2020-02-18T18:23:46.18
IV.EL6.EHE. ML:1.4 0.000089602155 0.3328 AML other m 2020-02-18T18:23:46.84
IV.MNTT.EHE. ML:1.8 0.00019456374999999999 0.1792 AML other m 2020-02-18T18:23:47.24
IV.MNTT.EHN. ML:1.8 0.00022935185 0.1792 AML other m 2020-02-18T18:23:46.69
IV.FOSV.EHE. ML:1.7 0.000122969765 0.2432 AML other m 2020-02-18T18:23:47.48
IV.FOSV.EHN. ML:1.9 0.00019115189999999998 0.2432 AML other m 2020-02-18T18:23:47.53
IV.SMA1.EHN. ML:1.3 0.00004801879000000001 0.2304 AML other m 2020-02-18T18:23:47.76
IV.SMA1.EHE. ML:1.4 0.000061568605 0.2432 AML other m 2020-02-18T18:23:47.78
IV.ATCC.EHN. ML:1.4 0.000056840885 0.1152 AML other m 2020-02-18T18:23:48.41
IV.ATCC.EHE. ML:1.5 0.00007786212 0.1792 AML other m 2020-02-18T18:23:48.59
IV.GAVE.EHN. ML:1.3 0.00004525525 0.5632 AML other m 2020-02-18T18:23:49.28
IV.GAVE.HNN. ML:1.9 0.0002046508 0.9856 AML other m 2020-02-18T18:23:58.53
IV.GAVE.HNE. ML:1.7 0.00011289795 0.4992 AML other m 2020-02-18T18:23:49.93
IV.GAVE.EHE. ML:1.4 0.000058404275000000004 0.2816 AML other m 2020-02-18T18:23:51.90
IV.SSFR.HHE. ML:1.6 0.00007165930000000001 0.256 AML other m 2020-02-18T18:23:50.73
IV.SSFR.HHN. ML:1.7 0.00009773218 0.2816 AML other m 2020-02-18T18:23:50.46
IV.RM33.HNE. ML:2.1 0.000248944 0.8704 AML other m 2020-02-18T18:23:58.55
IV.RM33.EHE. ML:1.0 0.0000216282445 0.1408 AML other m 2020-02-18T18:23:51.87
IV.RM33.EHN. ML:1.0 0.000019190539999999998 0.1664 AML other m 2020-02-18T18:23:51.56
IV.RM33.HNN. ML:1.8 0.00013143274500000002 0.7168 AML other m 2020-02-18T18:23:43.32
IV.MURB.HNN. ML:1.9 0.000128681355 0.2304 AML other m 2020-02-18T18:23:52.37
IV.MURB.HNE. ML:1.9 0.000138539475 0.2304 AML other m 2020-02-18T18:23:52.35
IV.MURB.HHE. ML:1.9 0.0001323229 0.2048 AML other m 2020-02-18T18:23:52.45
IV.MURB.HHN. ML:1.9 0.00013088195 0.2176 AML other m 2020-02-18T18:23:52.40
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