Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-01-2020 and time 22:07:30 (Italy) in region Montefortino (FM)

A magnitude ML 1.5 earthquake occured in region: Montefortino (FM), on

  • 20-01-2020 21:07:30 (UTC)
  • 20-01-2020 22:07:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9410, 13.3430 at 10 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
Montefortino FM 0 1178 1178
Amandola FM 5 3629 4807
Montemonaco AP 5 604 5411
Comunanza AP 6 3166 8577
Palmiano AP 11 196 8773
Montefalcone Appennino FM 11 424 9197
Montegallo AP 11 523 9720
Smerillo FM 11 365 10085
Bolognola MC 11 142 10227
Sarnano MC 11 3264 13491
Force AP 12 1354 14845
Monte San Martino MC 13 765 15610
Roccafluvione AP 14 2010 17620
Venarotta AP 14 2066 19686
Gualdo MC 14 815 20501
Penna San Giovanni MC 15 1108 21609
Santa Vittoria in Matenano FM 15 1330 22939
Castelsantangelo sul Nera MC 16 281 23220
Ussita MC 17 444 23664
Acquacanina MC 17 121 23785
Rotella AP 18 906 24691
Montelparo FM 18 778 25469
Sant'Angelo in Pontano MC 18 1436 26905
Fiastra MC 19 559 27464
San Ginesio MC 19 3498 30962
Arquata del Tronto AP 19 1178 32140
Monteleone di Fermo FM 19 395 32535
Acquasanta Terme AP 20 2916 35451
Servigliano FM 20 2336 37787
Cessapalombo MC 20 512 38299

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Teramo (54892 inhabitants)
52 Km E of Foligno (57155 inhabitants)
66 Km N of L'Aquila (69753 inhabitants)
71 Km NE of Terni (111501 inhabitants)
77 Km S of Ancona (100861 inhabitants)
80 Km E of Perugia (166134 inhabitants)
81 Km NW of Montesilvano (53738 inhabitants)
89 Km NW of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 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 1.5 2020-01-20
21:07:30		 42.9412 13.3432 10 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76671051
Reviewed
Rev100 		ML 1.5 2020-01-20
21:07:30		 42.9412 13.3432 10 2020-01-20
21:14:56		 Sala Sismica INGV-Roma 75686441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-20 21:07:30 ± 0.05
Latitude 42.9412 ± 0.0027
Longitude 13.3432 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76671051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
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 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 76671051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-20 11:45:58

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 75686441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-20 21:14:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-01-20T21:07:47.02 0.3 undecidable manual S 192 49.1175 50 0.54 63
IV.SNTG.HHZ. 2020-01-20T21:07:46.29 0.3 undecidable manual S 317 47.7189 50 0.17 69
IV.EL6.EHZ. 2020-01-20T21:07:46.22 0.3 undecidable manual S 336 47.3193 50 0.22 68
IV.CESI.HHZ. 2020-01-20T21:07:43.57 0.3 undecidable manual S 281 36.3414 50 0.5 65
IV.SMA1.EHZ. 2020-01-20T21:07:42.43 0.3 undecidable manual S 181 34.4433 50 -0.15 71
IV.MNTT.EHZ. 2020-01-20T21:07:40.47 0.3 undecidable manual S 57 24.4533 50 0.55 66
IV.EL6.EHZ. 2020-01-20T21:07:39.20 0.1 undecidable manual P 336 47.3193 50 -0.36 88
IV.SNTG.HHZ. 2020-01-20T21:07:39.38 1.0 undecidable manual P 317 47.7189 50 -0.25 23
IV.FDMO.HHZ. 2020-01-20T21:07:39.42 0.3 undecidable manual S 297 23.2545 50 -0.18 72
IV.FEMA.HNE. 2020-01-20T21:07:39.81 0.6 undecidable manual S 276 23.9538 50 0.04 49
IV.RM33.EHZ. 2020-01-20T21:07:39.67 0.1 undecidable manual P 192 49.1175 50 -0.17 92
IV.NRCA.HHZ. 2020-01-20T21:07:39.48 0.3 undecidable manual S 237 22.0668 115 0.23 71
IV.CSP1.EHZ. 2020-01-20T21:07:38.47 0.3 undecidable manual S 326 20.1687 117 -0.17 72
IV.MTRA.EHZ. 2020-01-20T21:07:38.82 0.3 undecidable manual S 168 20.9679 116 -0.06 74
IV.SMA1.EHZ. 2020-01-20T21:07:37.22 0.1 undecidable manual P 181 34.4433 50 -0.37 90
IV.SAP2.EHZ. 2020-01-20T21:07:37.92 0.3 undecidable manual S 15 17.871 120 -0.02 75
IV.CESI.HHZ. 2020-01-20T21:07:37.77 0.1 undecidable manual P 281 36.3414 50 -0.1 95
IV.MNTT.EHZ. 2020-01-20T21:07:36.05 0.1 undecidable manual P 57 24.4533 50 0 99
IV.MF5.EHZ. 2020-01-20T21:07:36.06 0.3 undecidable manual S 61 10.7781 134 0.09 75
IV.GUMA.HHZ. 2020-01-20T21:07:36.86 0.3 undecidable manual S 357 13.4754 128 0.17 73
IV.NRCA.HHZ. 2020-01-20T21:07:35.61 0.1 undecidable manual P 237 22.0668 115 -0.06 98
IV.MMO1.EHZ. 2020-01-20T21:07:35.07 0.3 undecidable manual S 196 4.7952 155 0.32 72
IV.CSP1.EHZ. 2020-01-20T21:07:35.05 0.1 undecidable manual P 326 20.1687 117 -0.27 94
IV.MTRA.EHZ. 2020-01-20T21:07:35.18 0.1 undecidable manual P 168 20.9679 116 -0.27 94
IV.FDMO.HHZ. 2020-01-20T21:07:35.61 0.3 positive manual P 297 23.2545 50 -0.26 71
IV.FEMA.HNE. 2020-01-20T21:07:35.94 0.3 undecidable manual P 276 23.9538 50 -0.03 74
IV.SAP2.EHZ. 2020-01-20T21:07:34.75 0.1 undecidable manual P 15 17.871 120 -0.16 97
IV.GUMA.HHZ. 2020-01-20T21:07:34.11 1.0 undecidable manual P 357 13.4754 128 -0.08 25
IV.MC2.EHZ. 2020-01-20T21:07:34.45 0.3 positive manual P 255 12.9759 129 0.35 70
IV.MF5.EHZ. 2020-01-20T21:07:33.84 0.1 positive manual P 61 10.7781 134 0.07 100
IV.MMO1.EHZ. 2020-01-20T21:07:33.17 0.6 undecidable manual P 196 4.7952 155 0.1 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.5 0.000079135277 0.4 AML other m 2020-01-20T21:07:16.23
IV.MF5.EHN. ML:1.6 0.0004624486 0.1792 AML other m 2020-01-20T21:07:36.28
IV.MF5.EHE. ML:1.5 0.000349777 0.1664 AML other m 2020-01-20T21:07:36.24
IV.GUMA.HNE. ML:1.6 0.00037355245 1.7696 AML other m 2020-01-20T21:07:37.04
IV.GUMA.HHE. ML:1.7 0.0004959946499999999 1.7952 AML other m 2020-01-20T21:07:37.05
IV.CESI.HNE. ML:1.6 0.00014820445000000002 1.3344 AML other m 2020-01-20T21:07:37.88
IV.SAP2.EHN. ML:2.0 0.00083176235 0.1536 AML other m 2020-01-20T21:07:38.12
IV.GUMA.HHN. ML:1.4 0.00023901665 0.3968 AML other m 2020-01-20T21:07:38.37
IV.GUMA.HNN. ML:1.4 0.00024094279999999999 0.3968 AML other m 2020-01-20T21:07:38.37
IV.SAP2.EHE. ML:1.4 0.00020391999999999999 0.1536 AML other m 2020-01-20T21:07:38.32
IV.CSP1.EHN. ML:1.4 0.0001878674 0.1792 AML other m 2020-01-20T21:07:38.66
IV.EL6.EHN. ML:1.4 0.00007176054500000001 0.08 AML other m 2020-01-20T21:07:38.56
IV.CSP1.EHE. ML:1.5 0.00023073765000000002 0.1024 AML other m 2020-01-20T21:07:38.84
IV.MTRA.HNN. ML:1.2 0.000103751235 0.0896 AML other m 2020-01-20T21:07:38.91
IV.MTRA.EHN. ML:1.2 0.00009968612 0.1024 AML other m 2020-01-20T21:07:38.96
IV.CESI.HNN. ML:1.5 0.000107796695 0.8448 AML other m 2020-01-20T21:07:39.14
IV.NRCA.HHN. ML:1.9 0.0005630186500000001 0.1024 AML other m 2020-01-20T21:07:39.61
IV.NRCA.HNN. ML:1.9 0.00051890235 0.1024 AML other m 2020-01-20T21:07:39.67
IV.MTRA.EHE. ML:1.0 0.00006760683 0.0768 AML other m 2020-01-20T21:07:39.62
IV.FDMO.HHN. ML:1.4 0.0001505758 0.3712 AML other m 2020-01-20T21:07:39.83
IV.NRCA.HNE. ML:1.7 0.0003297056 0.1024 AML other m 2020-01-20T21:07:39.61
IV.FDMO.HHE. ML:1.2 0.00011201002000000001 0.1408 AML other m 2020-01-20T21:07:39.81
IV.NRCA.HHE. ML:1.7 0.00031159285000000004 0.0896 AML other m 2020-01-20T21:07:40.23
IV.MNTT.EHE. ML:1.8 0.00033812005 0.1152 AML other m 2020-01-20T21:07:40.99
IV.MNTT.EHN. ML:1.9 0.0005062888 0.2304 AML other m 2020-01-20T21:07:41.35
IV.SMA1.EHN. ML:1.3 0.00007828822 0.256 AML other m 2020-01-20T21:07:42.73
IV.SMA1.EHE. ML:1.2 0.000065033715 0.1664 AML other m 2020-01-20T21:07:42.79
IV.CESI.HHN. ML:1.2 0.00005949774 0.1792 AML other m 2020-01-20T21:07:43.72
IV.SNTG.HNN. ML:1.8 0.00017166725 0.9344 AML other m 2020-01-20T21:07:44.51
IV.MTRA.HNE. ML:1.2 0.00010549069999999999 1.4752 AML other m 2020-01-20T21:07:45.09
IV.SNTG.HHN. ML:1.3 0.00005345527 0.2176 AML other m 2020-01-20T21:07:46.44
IV.RM33.EHN. ML:1.4 0.000072062975 0.128 AML other m 2020-01-20T21:07:47.64
IV.RM33.EHE. ML:1.3 0.000049252975 0.1792 AML other m 2020-01-20T21:07:47.68
IV.RM33.HNE. ML:1.8 0.00016165581500000002 0.6784 AML other m 2020-01-20T21:07:51.94
IV.CESI.HHE. ML:1.0 0.000036111730000000004 1.3056 AML other m 2020-01-20T21:07:57.32
IV.RM33.HNN. ML:1.8 0.00017091794999999998 0.9216 AML other m 2020-01-20T21:08:00.72
IV.SNTG.HHE. ML:1.1 0.00003517129 0.6816 AML other m 2020-01-20T21:08:00.97
IV.SNTG.HNE. ML:1.7 0.00014841145 1.296 AML other m 2020-01-20T21:08:01.06
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