Earthquake with magnitude of ML 1.6 on date 29-02-2020 and time 04:40:38 (Italy) in region 3 km W Sarnano (MC)

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

  • 29-02-2020 03:40:38 (UTC)
  • 29-02-2020 04:40:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.04, 13.26 at 23 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sarnano MC 3 3264 3264
Bolognola MC 6 142 3406
Gualdo MC 7 815 4221
Acquacanina MC 7 121 4342
Cessapalombo MC 8 512 4854
San Ginesio MC 9 3498 8352
Fiastra MC 9 559 8911
Camporotondo di Fiastrone MC 10 563 9474
Amandola FM 10 3629 13103
Caldarola MC 11 1823 14926
Sant'Angelo in Pontano MC 13 1436 16362
Montefortino FM 13 1178 17540
Penna San Giovanni MC 13 1108 18648
Belforte del Chienti MC 14 1886 20534
Ripe San Ginesio MC 14 852 21386
Fiordimonte MC 14 202 21588
Monte San Martino MC 14 765 22353
Pievebovigliana MC 15 866 23219
Ussita MC 15 444 23663
Comunanza AP 16 3166 26829
Smerillo FM 16 365 27194
Colmurano MC 16 1263 28457
Serrapetrona MC 16 966 29423
Montemonaco AP 17 604 30027
Montefalcone Appennino FM 17 424 30451
Pieve Torina MC 17 1458 31909
Muccia MC 18 915 32824
Castelsantangelo sul Nera MC 19 281 33105
Loro Piceno MC 19 2401 35506
Falerone FM 19 3337 38843
Tolentino MC 19 20069 58912
Visso MC 19 1107 60019
Camerino MC 19 6974 66993
Servigliano FM 19 2336 69329
Santa Vittoria in Matenano FM 19 1330 70659
Urbisaglia MC 20 2628 73287
Montappone FM 20 1682 74969

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
71 Km E of Perugia (166134 inhabitants)
73 Km NE of Terni (111501 inhabitants)
78 Km N of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
93 Km NW of Montesilvano (53738 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 2020-02-29
03:40:38
43.04 13.26 23 2020-07-18
21:08:26
Bollettino Sismico Italiano INGV 77374061
Reviewed
Rev100
ML 1.7 2020-02-29
03:40:37
43.04 13.28 25 2020-02-29
03:44:16
Sala Sismica INGV-Roma 76915281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-29 03:40:38 ± 0.15
Latitude 43.04 ± 0.01
Longitude 13.26 ± 0.01
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77374061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 699
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 700
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 39
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
Epicentral distance of station farthest from the epicenter (degree) 0.75453
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 76915281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-29 03:44:16

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 77374061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-19 08:19:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-02-29T03:41:06.65 3.0 undecidable manual Pg 4.57 0
IV.NARO.HHZ. 2020-02-29T03:41:04.38 0.3 undecidable manual S 319 0.7545 100 1.14 47
IV.RM33.EHZ. 2020-02-29T03:40:57.96 0.1 undecidable manual S 184 0.5342 104 1.1 63
IV.TERO.HHZ. 2020-02-29T03:40:56.04 0.3 undecidable manual S 149 0.4883 106 0.5 62
IV.ATCC.EHZ. 2020-02-29T03:40:56.02 0.1 undecidable manual S 288 0.4766 106 0.81 76
IV.SMA1.EHZ. 2020-02-29T03:40:53.15 0.3 undecidable manual S 173 0.4155 109 -0.32 67
IV.NARO.HHZ. 2020-02-29T03:40:52.42 0.3 undecidable manual P 319 0.7545 100 -0.23 62
IV.CING.HNZ. 2020-02-29T03:40:51.61 0.1 undecidable manual S 352 0.3363 114 0.31 92
IV.SNTG.HHZ. 2020-02-29T03:40:51.06 0.1 undecidable manual S 312 0.3166 116 0.28 93
IV.RM33.EHZ. 2020-02-29T03:40:49.43 0.1 undecidable manual P 184 0.5342 104 0.46 84
IV.MNTT.EHZ. 2020-02-29T03:40:49.91 0.3 undecidable manual S 85 0.2437 124 1.02 53
IV.CESI.HHZ. 2020-02-29T03:40:49.83 0.1 undecidable manual S 262 0.2644 121 0.41 90
IV.NRCA.HHZ. 2020-02-29T03:40:48.45 0.1 undecidable manual S 208 0.2356 125 -0.24 95
IV.MML1.HNE. 2020-02-29T03:40:48.72 0.1 undecidable manual S 289 0.2239 126 0.3 93
IV.ATCC.EHZ. 2020-02-29T03:40:47.81 0.1 undecidable manual P 288 0.4766 106 -0.2 89
IV.MNTP.HNZ. 2020-02-29T03:40:47.88 0.1 undecidable manual S 58 0.1781 134 0.52 89
IV.TERO.HHZ. 2020-02-29T03:40:47.73 0.3 undecidable manual P 149 0.4883 106 -0.47 64
IV.MF5.EHZ. 2020-02-29T03:40:47.05 0.1 undecidable manual S 111 0.1538 138 0.18 96
IV.SAP2.EHZ. 2020-02-29T03:40:46.17 0.1 undecidable manual S 61 0.1133 148 0.03 100
IV.MMO1.EHZ. 2020-02-29T03:40:46.49 0.1 undecidable manual S 162 0.1502 139 -0.32 95
IV.SMA1.EHZ. 2020-02-29T03:40:46.42 0.1 negative manual P 173 0.4155 109 -0.59 83
IV.MC2.EHZ. 2020-02-29T03:40:46.86 0.1 undecidable manual S 203 0.1421 141 0.22 95
IV.PF6.EHN. 2020-02-29T03:40:45.77 0.1 undecidable manual S 332 0.1079 149 -0.29 94
IV.SNTG.HHZ. 2020-02-29T03:40:45.19 0.1 undecidable manual P 312 0.3166 116 -0.26 91
IV.CSP1.EHZ. 2020-02-29T03:40:45.39 0.1 undecidable manual S 319 0.0648 160 -0.13 99
IV.CING.HNZ. 2020-02-29T03:40:45.42 0.1 positive manual P 352 0.3363 114 -0.33 89
IV.GUMA.HHZ. 2020-02-29T03:40:45.68 0.1 undecidable manual S 69 0.0567 163 0.25 96
IV.CESI.HHZ. 2020-02-29T03:40:44.53 0.1 negative manual P 262 0.2644 121 -0.14 95
IV.MNTT.EHZ. 2020-02-29T03:40:44.43 0.1 undecidable manual P 85 0.2437 124 0.07 97
IV.MF5.EHZ. 2020-02-29T03:40:43.08 0.1 negative manual P 111 0.1538 138 -0.11 98
IV.NRCA.HHZ. 2020-02-29T03:40:43.87 0.1 negative manual P 208 0.2356 125 -0.38 91
IV.MNTP.HNZ. 2020-02-29T03:40:43.34 0.1 undecidable manual P 58 0.1781 134 -0.14 96
IV.MML1.HNE. 2020-02-29T03:40:43.95 0.1 undecidable manual P 289 0.2239 126 -0.14 95
IT.MTCL.HGZ. 2020-02-29T03:40:43.53 0.1 undecidable manual P 256 0.1988 130 -0.22 94
IV.CSP1.EHZ. 2020-02-29T03:40:42.18 0.1 positive manual P 319 0.0648 160 -0.23 96
IV.MC2.EHZ. 2020-02-29T03:40:42.92 0.1 negative manual P 203 0.1421 141 -0.14 98
IV.GUMA.HHZ. 2020-02-29T03:40:42.24 0.1 negative manual P 69 0.0567 163 -0.12 99
IV.PF6.EHN. 2020-02-29T03:40:42.36 0.1 positive manual P 332 0.1079 149 -0.37 93
IV.SAP2.EHZ. 2020-02-29T03:40:42.54 0.1 undecidable manual P 61 0.1133 148 -0.23 96
IV.MMO1.EHZ. 2020-02-29T03:40:42.75 0.1 negative manual P 162 0.1502 139 -0.41 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:2.1 0.0008625 0.28 AML other m 2020-02-29T03:40:45.89
IV.CSP1.EHN. ML:1.5 0.0002045 0.42 AML other m 2020-02-29T03:40:45.57
IV.GUMA.HNN. ML:2.1 0.000932 0.28 AML other m 2020-02-29T03:40:45.92
IV.GUMA.HHN. ML:2 0.000768 0.26 AML other m 2020-02-29T03:40:45.92
IV.GUMA.HNE. ML:1.9 0.0005165 1.5 AML other m 2020-02-29T03:40:46.86
IV.CSP1.EHE. ML:1.6 0.000256 0.48 AML other m 2020-02-29T03:40:46.56
IV.SAP2.EHN. ML:2.3 0.001295 0.16 AML other m 2020-02-29T03:40:46.58
IV.SAP2.EHE. ML:1.6 0.000213 0.16 AML other m 2020-02-29T03:40:47.27
IV.NRCA.HHN. ML:1.8 0.000273 0.82 AML other m 2020-02-29T03:40:49.24
IV.NRCA.HHE. ML:1.8 0.0002985 0.12 AML other m 2020-02-29T03:40:49.69
IV.CESI.HHN. ML:1.5 0.00012445 0.46 AML other m 2020-02-29T03:40:50.03
IV.CESI.HHE. ML:1.2 6.57E-5 0.36 AML other m 2020-02-29T03:40:50.09
IV.SNTG.HHN. ML:1.4 7.57E-5 0.24 AML other m 2020-02-29T03:40:51.50
IV.SNTG.HHE. ML:1.1 4.185E-5 0.66 AML other m 2020-02-29T03:40:51.50
IV.TERO.HHE. ML:1 2.125E-5 1.68 AML other m 2020-02-29T03:40:57.09
IV.TERO.HHN. ML:1.1 2.665E-5 0.08 AML other m 2020-02-29T03:40:57.56
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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