Earthquake with magnitude of ML 1.0 on date 31-01-2020 and time 14:48:09 (UTC) in region 5 km E Montegallo (AP)

A magnitude ML 1.0 earthquake occured in region: 5 km E Montegallo (AP), on

  • 31-01-2020 14:48:09 (UTC)
  • 31-01-2020 15:48:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8540, 13.3980 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Montegallo AP 5 523 523
Roccafluvione AP 7 2010 2533
Palmiano AP 7 196 2729
Montemonaco AP 8 604 3333
Venarotta AP 8 2066 5399
Acquasanta Terme AP 9 2916 8315
Montefortino FM 11 1178 9493
Comunanza AP 12 3166 12659
Arquata del Tronto AP 12 1178 13837
Force AP 14 1354 15191
Amandola FM 15 3629 18820
Ascoli Piceno AP 15 49407 68227
Valle Castellana TE 16 977 69204
Montefalcone Appennino FM 16 424 69628
Smerillo FM 17 365 69993
Rotella AP 18 906 70899
Folignano AP 20 9241 80140
Monte San Martino MC 20 765 80905

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Teramo (54892 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
58 Km E of Foligno (57155 inhabitants)
69 Km E of Terni (111501 inhabitants)
72 Km NW of Montesilvano (53738 inhabitants)
80 Km NW of Pescara (121014 inhabitants)
84 Km NW of Chieti (51815 inhabitants)
86 Km S of Ancona (100861 inhabitants)
87 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
Reviewed
Rev100
ML 1.0 2020-01-31
14:48:09
42.8542 13.3977 16 2020-01-31
14:54:41
Sala Sismica INGV-Roma 76073201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-31 14:48:09 ± 0.1
Latitude 42.8542 ± 0.0045
Longitude 13.3977 ± 0.0074
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76073201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 577
Semi-minor axis of confidence ellipse (meter) 346
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 76073201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-31 14:54:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2020-01-31T14:48:24.19 0.1 undecidable manual S 293 43.4232 100 0.39 89
IV.CSP1.EHZ. 2020-01-31T14:48:20.23 0.3 undecidable manual S 329 30.6471 105 -0.25 70
IV.FDMO.HHZ. 2020-01-31T14:48:20.72 0.3 undecidable manual S 309 32.3454 104 -0.19 71
IV.TERO.HHZ. 2020-01-31T14:48:20.23 0.3 undecidable manual S 147 30.6471 105 -0.25 70
IV.SMA1.EHZ. 2020-01-31T14:48:19.26 0.1 undecidable manual S 192 25.3524 110 0.14 96
IV.NRCA.HHZ. 2020-01-31T14:48:18.61 0.1 undecidable manual S 264 23.1546 113 0.02 99
IV.MF5.EHZ. 2020-01-31T14:48:17.18 0.1 undecidable manual S 19 15.6732 126 0.34 94
IV.CESI.HHZ. 2020-01-31T14:48:17.77 0.3 undecidable manual P 293 43.4232 100 -0.05 71
IV.MC2.EHZ. 2020-01-31T14:48:17.57 0.3 undecidable manual S 291 18.1707 121 0.18 72
IV.TERO.HHZ. 2020-01-31T14:48:16.09 0.3 undecidable manual P 147 30.6471 105 0.19 71
IV.MMO1.EHZ. 2020-01-31T14:48:15.12 0.1 undecidable manual S 311 7.6812 150 -0.28 98
IV.SMA1.EHZ. 2020-01-31T14:48:15.11 0.1 undecidable manual P 192 25.3524 110 -0.01 99
IV.CSP1.EHZ. 2020-01-31T14:48:15.74 0.1 undecidable manual P 329 30.6471 105 -0.17 95
IV.FDMO.HHZ. 2020-01-31T14:48:15.92 0.3 undecidable manual P 309 32.3454 104 -0.23 70
IV.NRCA.HHZ. 2020-01-31T14:48:14.75 0.1 undecidable manual P 264 23.1546 113 -0.06 99
IV.MC2.EHZ. 2020-01-31T14:48:14.18 0.1 undecidable manual P 291 18.1707 121 0.06 100
IV.MF5.EHZ. 2020-01-31T14:48:13.97 0.1 undecidable manual P 19 15.6732 126 0.17 98
IV.MMO1.EHZ. 2020-01-31T14:48:12.82 0.1 undecidable manual P 311 7.6812 150 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.5 0.000179 1.28 AML other m 2020-01-31T14:48:18.26
IV.NRCA.HHN. ML:1.4 0.000149 0.1 AML other m 2020-01-31T14:48:19.05
IV.SMA1.EHN. ML:1.0 0.00005475 0.28 AML other m 2020-01-31T14:48:19.40
IV.SMA1.EHE. ML:0.8 0.00003465 1.4 AML other m 2020-01-31T14:48:20.03
IV.TERO.HHE. ML:0.8 0.00002305 0.82 AML other m 2020-01-31T14:48:21.58
IV.TERO.HHN. ML:0.8 0.0000237 1.32 AML other m 2020-01-31T14:48:22.69
IV.CESI.HHE. ML:1.2 0.000043450000000000006 0.18 AML other m 2020-01-31T14:48:24.39
IV.CESI.HHN. ML:1.3 0.00005345 0.22 AML other m 2020-01-31T14:48:24.61
IV.RM33.EHN. ML:0.9 0.0000235 0.66 AML other m 2020-01-31T14:48:24.59
IV.RM33.EHE. ML:0.9 0.0000266 0.46 AML other m 2020-01-31T14:48:26.48
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