Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 31-12-2019 and time 07:04:44 (Italy) in region 3 km N Genga (AN)

A magnitude ML 0.6 earthquake occured in region: 3 km N Genga (AN), on

  • 31-12-2019 06:04:44 (UTC)
  • 31-12-2019 07:04:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4550, 12.9340 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
Genga AN 3 1797 1797
Arcevia AN 5 4612 6409
Sassoferrato AN 6 7285 13694
Serra San Quirico AN 7 2850 16544
Mergo AN 9 1037 17581
Rosora AN 11 1985 19566
Castelplanio AN 13 3540 23106
Serra de' Conti AN 13 3746 26852
Poggio San Marcello AN 13 693 27545
Montecarotto AN 13 1987 29532
Fabriano AN 13 31480 61012
Serra Sant'Abbondio PU 14 1027 62039
Pergola PU 15 6333 68372
Cupramontana AN 15 4756 73128
Poggio San Vicino MC 15 246 73374
Maiolati Spontini AN 15 6248 79622
Cerreto d'Esi AN 15 3817 83439
Barbara AN 16 1368 84807
San Lorenzo in Campo PU 17 3414 88221
Monte Roberto AN 17 3061 91282
Frontone PU 17 1300 92582
Apiro MC 17 2280 94862
Castelleone di Suasa AN 17 1676 96538
Castelbellino AN 18 4947 101485
San Paolo di Jesi AN 19 933 102418
Ostra Vetere AN 19 3311 105729
Fratte Rosa PU 20 966 106695

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km S of Fano (60888 inhabitants)
51 Km W of Ancona (100861 inhabitants)
51 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
74 Km SE of Rimini (147750 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
94 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 		Md 1.3
ML 0.6 		2019-12-31
06:04:44		 43.4548 12.9345 14 2020-02-28
16:42:17		 Bollettino Sismico Italiano INGV 75195791
Reviewed
Rev100 		Md 1.3 2019-12-31
06:04:44		 43.4555 12.9323 13 2019-12-31
06:09:37		 Sala Sismica INGV-Roma 75136541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-31 06:04:44 ± 0.12
Latitude 43.4548 ± 0.0063
Longitude 12.9345 ± 0.0099
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75195791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 715
Semi-minor axis of confidence ellipse (meter) 561
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.30037
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 75195791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 09:37:29

Md:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 75195791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 09:37:29

Md:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 75136541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-31 06:09:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2019-12-31T06:04:56.06 0.6 undecidable manual S 301 33.3444 97 0.12 46
IV.PIEI.HHZ. 2019-12-31T06:04:56.20 0.6 undecidable manual S 286 33.3444 97 0.24 45
IV.COR1.EHZ. 2019-12-31T06:04:53.33 0.3 undecidable manual S 15 20.3685 107 0.79 59
IV.MPAG.EHZ. 2019-12-31T06:04:53.23 0.6 undecidable manual S 324 23.9538 102 -0.23 47
IV.SNTG.HHZ. 2019-12-31T06:04:53.41 0.6 undecidable manual S 179 22.1556 104 0.4 45
IV.EL6.EHZ. 2019-12-31T06:04:52.65 0.6 undecidable manual S 136 19.3695 108 0.35 46
IV.FRON.EHZ. 2019-12-31T06:04:52.32 0.3 undecidable manual S 293 18.1707 110 0.32 68
IV.NARO.HHZ. 2019-12-31T06:04:50.88 0.1 undecidable manual P 301 33.3444 97 -0.25 92
IV.PIEI.HHZ. 2019-12-31T06:04:50.97 0.1 undecidable manual P 286 33.3444 97 -0.17 93
IV.MPAG.EHZ. 2019-12-31T06:04:49.36 0.1 undecidable manual P 324 23.9538 102 -0.34 91
IV.ARVD.HHZ. 2019-12-31T06:04:49.13 0.6 undecidable manual S 7 4.7952 156 -0.2 48
IV.MMUR.HNE. 2019-12-31T06:04:49.35 0.3 undecidable manual S 106 5.2947 154 -0.03 74
IV.SNTG.HHZ. 2019-12-31T06:04:49.46 0.1 undecidable manual P 179 22.1556 104 0.03 97
IV.COR1.EHZ. 2019-12-31T06:04:49.22 0.3 undecidable manual P 15 20.3685 107 0.06 73
IV.FRON.EHZ. 2019-12-31T06:04:48.83 0.1 undecidable manual P 293 18.1707 110 -0.02 98
IV.EL6.EHZ. 2019-12-31T06:04:48.82 0.1 undecidable manual P 136 19.3695 108 -0.2 93
IV.ARVD.HHZ. 2019-12-31T06:04:47.15 0.1 positive manual P 7 4.7952 156 -0.16 97
IV.MMUR.HNE. 2019-12-31T06:04:47.39 0.1 undecidable manual P 106 5.2947 154 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:0.6 0.000056948905 0.0608 AML other m 2019-12-31T06:04:47.32
IV.ARVD.HHN. ML:0.6 0.00004917719 0.0608 AML other m 2019-12-31T06:04:50.07
IV.FRON.EHN. ML:1.0 0.00007544779499999999 0.16 AML other m 2019-12-31T06:04:52.49
IV.FRON.EHE. ML:0.7 0.0000354939465 0.16 AML other m 2019-12-31T06:04:52.55
IV.MPAG.EHN. ML:0.6 0.000026213150999999998 0.1216 AML other m 2019-12-31T06:04:54.11
IV.SNTG.HHN. ML:0.4 0.0000146553595 0.16 AML other m 2019-12-31T06:04:54.84
IV.NARO.HHE. ML:0.4 0.000011481470000000001 0.08 AML other m 2019-12-31T06:04:56.20
IV.PIEI.HHN. ML:0.7 0.000018237950000000004 0.1184 AML other m 2019-12-31T06:04:56.56
IV.PIEI.HHE. ML:0.7 0.000021955765 0.1024 AML other m 2019-12-31T06:04:57.21
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