Earthquake with magnitude of ML 1.2 on date 23-01-2020 and time 11:31:35 (UTC) in region 2 km E Venarotta (AP)

A magnitude ML 1.2 earthquake occured in region: 2 km E Venarotta (AP), on

  • 23-01-2020 11:31:35 (UTC)
  • 23-01-2020 12:31:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.89, 13.52 at 20 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
Venarotta AP 2 2066 2066
Roccafluvione AP 5 2010 4076
Palmiano AP 5 196 4272
Ascoli Piceno AP 6 49407 53679
Rotella AP 8 906 54585
Force AP 9 1354 55939
Castignano AP 10 2796 58735
Montedinove AP 11 488 59223
Comunanza AP 11 3166 62389
Montefalcone Appennino FM 12 424 62813
Folignano AP 12 9241 72054
Appignano del Tronto AP 12 1785 73839
Montalto delle Marche AP 13 2122 75961
Smerillo FM 14 365 76326
Montelparo FM 14 778 77104
Santa Vittoria in Matenano FM 15 1330 78434
Offida AP 15 5058 83492
Maltignano AP 15 2401 85893
Montefortino FM 16 1178 87071
Montemonaco AP 16 604 87675
Acquasanta Terme AP 16 2916 90591
Castel di Lama AP 16 8634 99225
Montegallo AP 16 523 99748
Monte Rinaldo FM 16 379 100127
Amandola FM 17 3629 103756
Monte San Martino MC 17 765 104521
Castorano AP 17 2380 106901
Valle Castellana TE 17 977 107878
Ortezzano FM 17 774 108652
Cossignano AP 17 978 109630
Monteleone di Fermo FM 18 395 110025
Sant'Egidio alla Vibrata TE 18 9811 119836
Civitella del Tronto TE 18 5116 124952
Colli del Tronto AP 19 3668 128620
Ancarano TE 19 1857 130477
Montottone FM 20 979 131456
Monte Vidon Combatte FM 20 433 131889
Monsampietro Morico FM 20 659 132548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
61 Km N of L'Aquila (69753 inhabitants)
66 Km NW of Montesilvano (53738 inhabitants)
67 Km E of Foligno (57155 inhabitants)
74 Km NW of Pescara (121014 inhabitants)
80 Km E of Terni (111501 inhabitants)
80 Km NW of Chieti (51815 inhabitants)
81 Km S of Ancona (100861 inhabitants)
95 Km E of Perugia (166134 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 1.2 2020-01-23
11:31:35
42.89 13.52 20 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77172581
Reviewed
Rev100
ML 1.2 2020-01-23
11:31:35
42.89 13.52 20 2020-01-23
11:40:45
Sala Sismica INGV-Roma 75767731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-23 11:31:35 ± 0.15
Latitude 42.89 ± 0.00
Longitude 13.52 ± 0.01
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77172581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 626
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 630
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.34804
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 75767731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-23 11:40:45

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 77172581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-10 14:23:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2020-01-23T11:33:30.10 3.0 undecidable manual Sn -4.44 0
MN.TRI.HHZ. 2020-01-23T11:33:03.21 3.0 undecidable manual Sg 7.81 0
IV.GRI.EHZ. 2020-01-23T11:32:56.01 3.0 positive manual Pg 9.85 0
IV.EUCT.HNZ. 2020-01-23T11:32:40.04 3.0 negative manual Pn 4.69 0
IV.VBKN.HHZ. 2020-01-23T11:32:40.46 3.0 undecidable manual Sg 0.17 0
SI.BOSI.HHZ. 2020-01-23T11:32:34.02 3.0 negative manual Pn -1.75 0
IV.CADC.HNZ. 2020-01-23T11:32:34.59 3.0 undecidable manual Pn 4.36 0
IV.VBKN.HHZ. 2020-01-23T11:32:14.97 3.0 negative manual Pg 2.59 0
IV.MGAB.HHZ. 2020-01-23T11:32:10.56 3.0 undecidable manual S -0.09 0
IV.NARO.HHZ. 2020-01-23T11:32:06.47 3.0 undecidable manual S -3.42 0
TV.SF04.EHZ. 2020-01-23T11:32:01.60 3.0 undecidable manual Pg 1.28 0
IV.FDMO.HHZ. 2020-01-23T11:31:49.08 0.3 undecidable manual S 295 0.348 109 0.15 72
IV.NRCA.HHZ. 2020-01-23T11:31:48.10 0.6 undecidable manual S 259 0.3022 113 0.45 45
IV.SMA1.EHZ. 2020-01-23T11:31:47.74 0.3 undecidable manual S 207 0.2923 113 0.34 69
IV.CSP1.EHZ. 2020-01-23T11:31:47.76 0.6 undecidable manual S 311 0.3058 112 0.01 49
IV.MC2.EHZ. 2020-01-23T11:31:46.46 0.3 undecidable manual S 275 0.2428 119 0.39 70
IV.MNTT.EHZ. 2020-01-23T11:31:45.12 0.6 undecidable manual S 18 0.1808 128 0.59 45
IV.GUMA.HNN. 2020-01-23T11:31:45.58 0.3 undecidable manual S 322 0.2185 122 0.12 74
IV.MTRA.EHZ. 2020-01-23T11:31:44.00 0.3 undecidable manual S 214 0.161 132 -0.09 75
IV.MMO1.EHZ. 2020-01-23T11:31:43.41 0.3 undecidable manual S 274 0.1412 137 -0.26 73
IV.FDMO.HHZ. 2020-01-23T11:31:43.13 0.1 undecidable manual P 295 0.348 109 -0.23 94
IV.CSP1.EHZ. 2020-01-23T11:31:42.45 0.1 undecidable manual P 311 0.3058 112 -0.23 95
IV.SMA1.EHZ. 2020-01-23T11:31:42.47 0.1 undecidable manual P 207 0.2923 113 -0.01 99
IV.MF5.EHZ. 2020-01-23T11:31:42.88 0.3 undecidable manual S 336 0.1061 145 -0.15 74
IV.NRCA.HHZ. 2020-01-23T11:31:42.58 0.1 undecidable manual P 259 0.3022 113 -0.04 99
IV.GUMA.HNN. 2020-01-23T11:31:41.24 0.1 undecidable manual P 322 0.2185 122 -0.11 98
IV.MC2.EHZ. 2020-01-23T11:31:41.73 0.1 undecidable manual P 275 0.2428 119 0.03 100
IV.MMO1.EHZ. 2020-01-23T11:31:40.10 0.1 undecidable manual P 274 0.1412 137 -0.22 98
IV.OFFI.HHE. 2020-01-23T11:31:40.40 0.3 undecidable manual P 70 0.1295 139 0.2 74
IV.MTRA.EHZ. 2020-01-23T11:31:40.45 0.1 undecidable manual P 214 0.161 132 -0.12 100
IV.MNTT.EHZ. 2020-01-23T11:31:40.98 0.3 undecidable manual P 18 0.1808 128 0.16 74
IV.MF5.EHZ. 2020-01-23T11:31:39.75 0.1 undecidable manual P 336 0.1061 145 -0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.3 0.0001225 0.54 AML other m 2020-01-23T11:31:44.32
IV.MTRA.EHE. ML:1.2 9.245E-5 0.2 AML other m 2020-01-23T11:31:44.35
IV.SMA1.EHN. ML:1.3 7.81E-5 1.68 AML other m 2020-01-23T11:31:48.84
IV.SMA1.EHE. ML:1.1 4.555E-5 0.1 AML other m 2020-01-23T11:31:48.05
IV.NRCA.HHE. ML:1.2 6.405E-5 0.1 AML other m 2020-01-23T11:31:48.54
IV.FDMO.HHE. ML:1 3.73E-5 0.2 AML other m 2020-01-23T11:31:49.25
IV.FDMO.HHN. ML:1.1 3.765E-5 0.32 AML other m 2020-01-23T11:31:49.43
IV.NRCA.HHN. ML:1.2 5.71E-5 0.1 AML other m 2020-01-23T11:31:49.49
IV.VBKN.HHN. ML:4 0.00202 1 AML other m 2020-01-23T11:32:41.61
IV.VBKN.HHE. ML:4 0.002095 0.62 AML other m 2020-01-23T11:32:50.86
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download