Earthquake with magnitude of ML 0.4 on date 25-02-2020 and time 02:47:22 (Italy) in region 3 km E Montegallo (AP)

A magnitude ML 0.4 earthquake occured in region: 3 km E Montegallo (AP), on

  • 25-02-2020 01:47:22 (UTC)
  • 25-02-2020 02:47:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.83, 13.37 at 12 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 3 523 523
Acquasanta Terme AP 8 2916 3439
Montemonaco AP 8 604 4043
Arquata del Tronto AP 9 1178 5221
Roccafluvione AP 9 2010 7231
Palmiano AP 11 196 7427
Venarotta AP 12 2066 9493
Montefortino FM 13 1178 10671
Comunanza AP 15 3166 13837
Valle Castellana TE 15 977 14814
Amandola FM 17 3629 18443
Ascoli Piceno AP 17 49407 67850
Force AP 18 1354 69204
Accumoli RI 18 667 69871
Montefalcone Appennino FM 19 424 70295
Castelsantangelo sul Nera MC 19 281 70576

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Teramo (54892 inhabitants)
53 Km N of L'Aquila (69753 inhabitants)
56 Km E of Foligno (57155 inhabitants)
66 Km E of Terni (111501 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km NW of Pescara (121014 inhabitants)
84 Km NW of Chieti (51815 inhabitants)
86 Km E of Perugia (166134 inhabitants)
88 Km S of Ancona (100861 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
Rev 100 ML 0.4 2020-02-25
01:47:22
42.83 13.37 12 2020-02-25
05:43:30
Sala Sismica INGV-Roma 76791281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 01:47:22 ± 0.42
Latitude 42.83 ± 0.01
Longitude 13.37 ± 0.01
Depth (km) 12 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76791281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1069
Semi-minor axis of confidence ellipse (meter) 699
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 95
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.2707
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 76791281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 05:43:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
mn.BZS.HHZ. 2020-02-25T01:49:06.48 3.0 positive manual Pn 7.29 0
IV.CMPR.HHZ. 2020-02-25T01:48:44.32 3.0 undecidable manual Sn -0.65 0
IV.CAFE.HHZ. 2020-02-25T01:48:31.13 3.0 undecidable manual Sg 0.95 0
CR.STON.BHZ. 2020-02-25T01:48:23.64 3.0 negative manual Pg 10.54 0
GE.MATE.HHZ. 2020-02-25T01:48:14.31 3.0 positive manual Pn -0.27 0
IV.VENL.HNZ. 2020-02-25T01:48:02.87 3.0 negative manual Pn -0.16 0
IV.CPGN.EHZ. 2020-02-25T01:47:56.03 3.0 undecidable manual Sn -2.75 0
IV.ROSPO.HHZ. 2020-02-25T01:47:46.60 3.0 positive manual Pg -0.54 0
IV.TERO.HHZ. 2020-02-25T01:47:33.00 0.1 undecidable manual S 141 0.2707 92 -0.25 95
IV.ATCC.EHZ. 2020-02-25T01:47:32.67 3.0 undecidable manual P 0.88 0
IV.SMA1.EHZ. 2020-02-25T01:47:31.50 0.1 undecidable manual S 187 0.2032 93 0.24 91
IV.MF5.EHZ. 2020-02-25T01:47:30.35 0.1 undecidable manual S 23 0.1682 95 0.12 95
IV.TERO.HHZ. 2020-02-25T01:47:28.23 1.0 undecidable manual P 141 0.2707 92 -0.59 22
IV.MF5.EHZ. 2020-02-25T01:47:27.08 1.0 undecidable manual P 23 0.1682 95 0 24
IV.SMA1.EHZ. 2020-02-25T01:47:27.53 0.6 positive manual P 187 0.2032 93 -0.14 49
IV.MMO1.EHZ. 2020-02-25T01:47:27.66 0.1 undecidable manual S 334 0.0746 132 0.01 100
IV.MMO1.EHZ. 2020-02-25T01:47:25.68 0.3 negative manual P 334 0.0746 132 0.09 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:0.3 9.98E-6 1.48 AML other m 2020-02-25T01:47:32.07
IV.TERO.HHN. ML:0.5 1.32E-5 0.08 AML other m 2020-02-25T01:47:33.06
GE.MATE.HHE. ML:2.5 2.25E-5 0.44 AML other m 2020-02-25T01:48:16.75
GE.MATE.HHN. ML:2.6 3.05E-5 0.62 AML other m 2020-02-25T01:48:19.32
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