Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 22-01-2020 and time 05:56:51 (Italy) in region 5 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 5 km S Castelsantangelo sul Nera (MC), on

  • 22-01-2020 04:56:51 (UTC)
  • 22-01-2020 05:56:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8470, 13.1640 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
Castelsantangelo sul Nera MC 5 281 281
Norcia PG 8 4957 5238
Preci PG 11 724 5962
Ussita MC 11 444 6406
Visso MC 11 1107 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 14 523 9214
Montemonaco AP 15 604 9818
Bolognola MC 17 142 9960
Montefortino FM 18 1178 11138
Accumoli RI 18 667 11805
Cascia PG 19 3217 15022
Sellano PG 20 1079 16101

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
99 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 1.0 2020-01-22
04:56:51		 42.8473 13.1637 10 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77588301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-22 04:56:51 ± 0.06
Latitude 42.8473 ± 0.0036
Longitude 13.1637 ± 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 77588301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 385
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 77588301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-26 11:07:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2020-01-22T04:57:06.96 0.3 undecidable manual S 265 48.5181 50 0.13 69
IV.RM33.HNE. 2020-01-22T04:57:03.94 0.3 undecidable manual S 174 37.7289 50 -0.01 72
IV.MF5.EHZ. 2020-01-22T04:57:02.28 0.1 undecidable manual S 57 28.6491 50 0.76 80
IV.T1299.HNZ. 2020-01-22T04:57:01.00 0.3 undecidable manual S 158 25.5522 50 0.31 69
IV.GAVE.EHZ. 2020-01-22T04:57:01.30 0.3 undecidable manual S 232 27.8499 50 -0.01 73
IV.SMA1.EHZ. 2020-01-22T04:57:01.10 0.3 undecidable manual S 150 27.8499 50 -0.2 71
IV.CESI.HHZ. 2020-01-22T04:57:01.06 0.3 undecidable manual S 310 27.3504 50 -0.11 72
IV.LNSS.HHZ. 2020-01-22T04:57:01.60 0.3 undecidable manual S 200 28.9488 50 0.01 73
IV.CSP1.EHZ. 2020-01-22T04:57:00.85 0.1 undecidable manual S 7 27.3504 50 -0.32 92
IV.MOMA.HNZ. 2020-01-22T04:57:00.47 0.3 undecidable manual P 265 48.5181 50 0.24 67
IV.MTRA.EHZ. 2020-01-22T04:56:59.00 0.1 undecidable manual S 118 21.4674 115 -0.46 90
IV.FDMO.HHZ. 2020-01-22T04:56:59.12 0.1 undecidable manual S 344 21.867 115 -0.48 90
IT.MTCL.HGZ. 2020-01-22T04:56:58.97 0.3 undecidable manual S 321 21.0678 116 -0.36 69
IV.RM33.HNE. 2020-01-22T04:56:57.93 0.3 undecidable manual P 174 37.7289 50 -0.64 62
IV.LNSS.HHZ. 2020-01-22T04:56:57.10 0.3 undecidable manual P 200 28.9488 50 -0.11 72
IV.MMO1.EHZ. 2020-01-22T04:56:57.08 0.1 undecidable manual S 66 14.4744 125 -0.28 95
IV.GAVE.EHZ. 2020-01-22T04:56:57.00 0.3 undecidable manual P 232 27.8499 50 -0.05 73
IV.SMA1.EHZ. 2020-01-22T04:56:57.01 0.3 undecidable manual P 150 27.8499 50 -0.03 73
IV.MF5.EHZ. 2020-01-22T04:56:57.32 0.1 undecidable manual P 57 28.6491 50 0.15 95
IV.FEMA.HNZ. 2020-01-22T04:56:57.74 0.3 undecidable manual S 324 15.7731 123 0.01 75
IV.CESI.HHZ. 2020-01-22T04:56:56.84 0.3 undecidable manual P 310 27.3504 50 -0.13 72
IT.MTCL.HGZ. 2020-01-22T04:56:56.12 0.3 undecidable manual P 321 21.0678 116 0.21 71
IV.MC2.EHZ. 2020-01-22T04:56:56.12 0.1 undecidable manual S 16 7.3815 144 0.52 91
IV.CSP1.EHZ. 2020-01-22T04:56:56.98 0.1 undecidable manual P 7 27.3504 50 0.02 98
IV.T1299.HNZ. 2020-01-22T04:56:56.87 0.3 undecidable manual P 158 25.5522 50 0.18 71
IV.NRCA.HHZ. 2020-01-22T04:56:55.22 0.1 undecidable manual S 249 4.2957 157 0.16 99
IV.FEMA.HNZ. 2020-01-22T04:56:55.11 0.3 undecidable manual P 324 15.7731 123 0.13 73
IV.FDMO.HHZ. 2020-01-22T04:56:55.86 0.1 undecidable manual P 344 21.867 115 -0.2 95
IV.MTRA.EHZ. 2020-01-22T04:56:55.89 0.1 undecidable manual P 118 21.4674 115 -0.09 97
IV.MMO1.EHZ. 2020-01-22T04:56:54.75 0.1 positive manual P 66 14.4744 125 -0.02 100
IV.MC2.EHZ. 2020-01-22T04:56:54.05 0.1 negative manual P 16 7.3815 144 0.31 95
IV.NRCA.HHZ. 2020-01-22T04:56:53.72 0.1 negative manual P 249 4.2957 157 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.5 0.0005291118 0.1088 AML other m 2020-01-22T04:56:55.34
IV.NRCA.HNN. ML:1.4 0.00042577725 0.0608 AML other m 2020-01-22T04:56:55.41
IV.NRCA.HHN. ML:1.4 0.0004624991 0.08 AML other m 2020-01-22T04:56:55.41
IV.NRCA.HHE. ML:1.5 0.0005565263 0.0992 AML other m 2020-01-22T04:56:55.33
IV.FDMO.HHE. ML:0.4 0.000016062907500000002 0.1824 AML other m 2020-01-22T04:56:59.66
IV.FDMO.HHN. ML:0.4 0.000015363868 0.3808 AML other m 2020-01-22T04:56:59.40
IV.MTRA.EHN. ML:0.6 0.000028914775 0.4416 AML other m 2020-01-22T04:56:59.60
IV.MTRA.EHE. ML:0.6 0.00003073295 0.2784 AML other m 2020-01-22T04:56:59.29
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