Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-02-2020 and time 21:26:12 (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 20:26:12 (UTC)
  • 18-02-2020 21:26:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0330, 13.2060 at 27 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
Acquacanina MC 3 121 121
Fiastra MC 4 559 680
Bolognola MC 5 142 822
Sarnano MC 8 3264 4086
Fiordimonte MC 10 202 4288
Cessapalombo MC 10 512 4800
Pievebovigliana MC 10 866 5666
Ussita MC 11 444 6110
Gualdo MC 12 815 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
Visso MC 15 1107 19918
Montefortino FM 15 1178 21096
Belforte del Chienti MC 15 1886 22982
Castelsantangelo sul Nera MC 16 281 23263
Camerino MC 16 6974 30237
Serrapetrona MC 16 966 31203
Sant'Angelo in Pontano MC 17 1436 32639
Monte Cavallo MC 17 145 32784
Montemonaco AP 18 604 33388
Penna San Giovanni MC 18 1108 34496
Ripe San Ginesio MC 18 852 35348
Comunanza AP 19 3166 38514
Monte San Martino MC 19 765 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)
69 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
96 Km NW of Montesilvano (53738 inhabitants)
101 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
20:26:12		 43.0327 13.2065 27 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78608801
Reviewed
Rev100 		ML 1.6 2020-02-18
20:26:12		 43.0343 13.1822 29 2020-02-18
20:30:04		 Sala Sismica INGV-Roma 76634561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 20:26:12 ± 0.14
Latitude 43.0327 ± 0.0054
Longitude 13.2065 ± 0.0086
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78608801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73565
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 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 78608801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-26 20:58:38

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 76634561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 20:30:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHN. 2020-02-18T20:26:37.36 0.6 undecidable manual S 322 81.6516 103 0.29 41
IV.ATVO.HHN. 2020-02-18T20:26:36.23 0.3 undecidable manual S 301 75.369 104 0.78 52
IV.TB01.DHZ.01 2020-02-18T20:26:35.58 3.0 undecidable manual S 0
IV.MPAG.EHZ. 2020-02-18T20:26:35.53 0.3 undecidable manual S 332 75.369 104 0.09 65
IV.ATBU.EHZ. 2020-02-18T20:26:35.84 0.6 undecidable manual S 313 72.372 105 1.17 29
IV.ATTE.HHN. 2020-02-18T20:26:35.00 0.6 undecidable manual S 285 71.4729 105 0.57 38
IV.ATLO.EHE. 2020-02-18T20:26:34.56 0.6 undecidable manual S 296 71.8725 105 0.03 44
IV.MURB.HHZ. 2020-02-18T20:26:32.26 0.6 undecidable manual S 295 60.7947 108 0.55 39
IV.SSFR.HHZ. 2020-02-18T20:26:31.02 0.3 undecidable manual S 323 56.3991 109 0.44 63
IV.CAMP.HHE. 2020-02-18T20:26:31.12 0.3 undecidable manual S 163 57.498 109 0.24 67
IV.RM33.EHZ. 2020-02-18T20:26:31.57 0.6 undecidable manual S 179 58.0974 109 0.55 42
IV.TERO.HHZ. 2020-02-18T20:26:31.18 0.6 undecidable manual S 144 55.7997 110 0.75 39
IV.GAVE.EHZ. 2020-02-18T20:26:29.33 0.3 undecidable manual S 214 45.5211 114 1.44 41
IV.T1299.HNZ. 2020-02-18T20:26:28.21 0.6 undecidable manual S 172 44.622 115 0.54 43
IV.SMA1.EHZ. 2020-02-18T20:26:28.33 0.3 undecidable manual S 167 45.8208 114 0.36 67
IV.ATVA.EHZ. 2020-02-18T20:26:27.35 3.0 undecidable manual P 0
IV.ATPI.EHE. 2020-02-18T20:26:26.61 0.3 undecidable manual P 306 79.8645 103 0.26 63
IV.NARO.HHN. 2020-02-18T20:26:26.25 0.3 undecidable manual P 322 81.6516 103 -0.37 62
IV.MNTT.EHZ. 2020-02-18T20:26:26.30 0.3 undecidable manual S 84 31.746 125 1.63 40
IV.ATLO.EHE. 2020-02-18T20:26:26.24 0.3 undecidable manual P 296 71.8725 105 1.08 47
IV.ATTE.HHN. 2020-02-18T20:26:26.48 0.3 undecidable manual P 285 71.4729 105 1.38 40
IV.ATVO.HHN. 2020-02-18T20:26:25.82 0.3 undecidable manual P 301 75.369 104 0.13 65
IV.EL6.EHZ. 2020-02-18T20:26:25.28 0.3 undecidable manual S 346 33.9438 123 0.11 71
IV.MPAG.EHZ. 2020-02-18T20:26:25.55 0.3 undecidable manual P 332 75.369 104 -0.14 66
IV.ATBU.EHZ. 2020-02-18T20:26:25.22 0.3 undecidable manual P 313 72.372 105 -0.02 68
IV.TB02.DHZ.01 2020-02-18T20:26:25.82 3.0 undecidable manual P 0
IV.SNTG.HHZ. 2020-02-18T20:26:24.56 0.3 undecidable manual S 319 32.745 124 -0.33 69
IV.MF5.EHZ. 2020-02-18T20:26:23.20 0.6 undecidable manual S 104 21.1677 137 0.67 43
IV.MURB.HHZ. 2020-02-18T20:26:23.59 0.1 undecidable manual P 295 60.7947 108 0.07 90
IV.CESI.HHZ. 2020-02-18T20:26:23.12 0.3 undecidable manual S 263 24.6531 133 -0.08 73
IV.RM33.EHZ. 2020-02-18T20:26:22.79 0.3 undecidable manual P 179 58.0974 109 -0.34 64
IV.TERO.HHZ. 2020-02-18T20:26:22.47 0.6 undecidable manual P 144 55.7997 110 -0.32 43
IV.SAP2.EHZ. 2020-02-18T20:26:22.43 0.3 undecidable manual S 66 17.1717 144 0.57 67
IV.MML1.HNZ. 2020-02-18T20:26:22.34 0.3 undecidable manual S 295 21.0678 138 -0.17 73
IV.NRCA.HHZ. 2020-02-18T20:26:22.79 0.3 undecidable manual S 199 23.3544 134 -0.15 71
IV.SSFR.HHZ. 2020-02-18T20:26:22.22 0.3 undecidable manual P 323 56.3991 109 -0.66 60
IV.CAMP.HHE. 2020-02-18T20:26:22.89 0.3 undecidable manual P 163 57.498 109 -0.16 67
IV.MMO1.EHZ. 2020-02-18T20:26:21.99 0.1 undecidable manual S 147 17.7711 143 0.05 99
IV.TB01.DHZ.01 2020-02-18T20:26:21.18 3.0 undecidable manual P 0
IV.GAVE.EHZ. 2020-02-18T20:26:21.35 0.3 undecidable manual P 214 45.5211 114 0.03 71
IV.GUMA.HHZ. 2020-02-18T20:26:21.53 0.3 undecidable manual S 72 10.9779 155 0.52 69
IV.LNSS.HHZ. 2020-02-18T20:26:21.91 0.3 undecidable manual P 196 49.617 112 0.01 71
IV.MC2.EHZ. 2020-02-18T20:26:21.63 0.3 undecidable manual S 186 13.5753 150 0.31 71
IV.SMA1.EHZ. 2020-02-18T20:26:20.85 0.3 undecidable manual P 167 45.8208 114 -0.51 63
IV.FDMO.HHZ. 2020-02-18T20:26:20.81 0.1 undecidable manual S 273 9.6792 158 -0.06 100
IV.CSP1.EHZ. 2020-02-18T20:26:20.62 0.3 undecidable manual S 359 6.5934 165 0.01 76
IV.PF6.EHZ. 2020-02-18T20:26:20.97 0.1 undecidable manual S 355 11.6772 154 -0.13 98
IV.T1299.HNZ. 2020-02-18T20:26:20.94 0.1 undecidable manual P 172 44.622 115 -0.26 89
IV.MNTT.EHZ. 2020-02-18T20:26:19.62 0.1 undecidable manual P 84 31.746 125 0.15 95
IV.EL6.EHZ. 2020-02-18T20:26:19.28 0.3 positive manual P 346 33.9438 123 -0.47 66
IV.NRCA.HHZ. 2020-02-18T20:26:18.07 0.1 positive manual P 199 23.3544 134 -0.39 91
IV.CESI.HHZ. 2020-02-18T20:26:18.18 0.1 positive manual P 263 24.6531 133 -0.44 90
IV.SNTG.HHZ. 2020-02-18T20:26:18.96 0.6 undecidable manual P 319 32.745 124 -0.63 42
IV.MF5.EHZ. 2020-02-18T20:26:18.20 0.1 negative manual P 104 21.1677 137 -0.03 97
IV.GUMA.HHZ. 2020-02-18T20:26:17.23 0.1 negative manual P 72 10.9779 155 -0.13 98
IT.MTCL.HGZ. 2020-02-18T20:26:17.38 0.1 undecidable manual P 256 17.3715 143 -0.47 91
IV.FEMA.HNZ. 2020-02-18T20:26:17.34 0.1 undecidable manual P 238 14.9739 148 -0.3 94
IV.MC2.EHZ. 2020-02-18T20:26:17.36 0.1 positive manual P 186 13.5753 150 -0.17 96
IV.MMO1.EHZ. 2020-02-18T20:26:17.57 0.1 positive manual P 147 17.7711 143 -0.32 92
IV.SAP2.EHZ. 2020-02-18T20:26:17.77 0.3 positive manual P 66 17.1717 144 -0.06 73
IV.MML1.HNZ. 2020-02-18T20:26:17.73 0.1 undecidable manual P 295 21.0678 138 -0.49 90
IV.FDMO.HHZ. 2020-02-18T20:26:16.78 0.1 undecidable manual P 273 9.6792 158 -0.49 91
IV.CSP1.EHZ. 2020-02-18T20:26:16.80 0.1 positive manual P 359 6.5934 165 -0.32 95
IV.PF6.EHZ. 2020-02-18T20:26:16.88 0.1 undecidable manual P 355 11.6772 154 -0.52 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.5 0.00017397999999999998 0.2176 AML other m 2020-02-18T20:26:20.92
IV.CSP1.EHN. ML:1.4 0.000144069 0.1664 AML other m 2020-02-18T20:26:21.33
IV.GUMA.HNN. ML:1.7 0.00026255435 0.2816 AML other m 2020-02-18T20:26:22.57
IV.GUMA.HHE. ML:1.8 0.0003453857 0.448 AML other m 2020-02-18T20:26:21.88
IV.GUMA.HHN. ML:1.9 0.00046037935000000003 0.2176 AML other m 2020-02-18T20:26:21.73
IV.GUMA.HNE. ML:1.9 0.00040875134999999996 0.2688 AML other m 2020-02-18T20:26:21.72
IV.SAP2.EHE. ML:1.5 0.00016147885000000002 0.1792 AML other m 2020-02-18T20:26:23.63
IV.SAP2.EHN. ML:2.1 0.0006752307 0.1408 AML other m 2020-02-18T20:26:22.96
IV.NRCA.HNE. ML:1.5 0.00014472865 0.1408 AML other m 2020-02-18T20:26:23.41
IV.NRCA.HNN. ML:1.3 0.000078471045 44.2368 AML other m 2020-02-18T20:26:17.45
IV.NRCA.HHN. ML:1.4 0.00010205905000000001 0.128 AML other m 2020-02-18T20:26:24.65
IV.NRCA.HHE. ML:1.5 0.00013421525 0.1152 AML other m 2020-02-18T20:26:23.42
IV.CESI.HHN. ML:1.8 0.00025011555 0.1408 AML other m 2020-02-18T20:26:23.32
IV.CESI.HHE. ML:1.6 0.00016441495000000001 0.1152 AML other m 2020-02-18T20:26:23.32
IV.MF5.EHN. ML:1.4 0.00011513010499999999 0.32 AML other m 2020-02-18T20:26:24.12
IV.MF5.EHE. ML:1.4 0.00010475174000000001 0.256 AML other m 2020-02-18T20:26:24.21
IV.EL6.EHE. ML:1.4 0.00008227722 0.2304 AML other m 2020-02-18T20:26:28.30
IV.EL6.EHN. ML:1.6 0.00011473910000000001 0.2688 AML other m 2020-02-18T20:26:26.18
IV.MNTT.EHE. ML:1.7 0.00016659904999999999 0.192 AML other m 2020-02-18T20:26:27.97
IV.MNTT.EHN. ML:1.8 0.00021135455 0.1792 AML other m 2020-02-18T20:26:27.23
IV.SMA1.EHN. ML:1.3 0.00004783704 0.2304 AML other m 2020-02-18T20:26:28.48
IV.SMA1.EHE. ML:1.4 0.000059795265 0.2432 AML other m 2020-02-18T20:26:28.49
IV.SSFR.HNN. ML:1.8 0.000122619865 0.32 AML other m 2020-02-18T20:26:31.32
IV.SSFR.HNE. ML:1.8 0.00013971275 0.512 AML other m 2020-02-18T20:26:34.84
IV.SSFR.HHE. ML:1.6 0.00006909301000000001 0.2304 AML other m 2020-02-18T20:26:31.33
IV.SSFR.HHN. ML:1.7 0.000089234515 0.256 AML other m 2020-02-18T20:26:31.19
IV.MURB.HHN. ML:1.8 0.00011422714 0.2176 AML other m 2020-02-18T20:26:33.10
IV.MURB.HNN. ML:1.8 0.000120329735 0.576 AML other m 2020-02-18T20:26:33.68
IV.MURB.HNE. ML:1.8 0.00011963428 0.2176 AML other m 2020-02-18T20:26:33.16
IV.MURB.HHE. ML:1.8 0.00012091010000000001 0.192 AML other m 2020-02-18T20:26:33.06
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