Earthquake with magnitude of ML 0.9 on date 25-02-2020 and time 02:17:58 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 0.9 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 25-02-2020 01:17:58 (UTC)
  • 25-02-2020 02:17:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.2220 at 11 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
Arquata del Tronto AP 6 1178 1178
Norcia PG 10 4957 6135
Accumoli RI 11 667 6802
Montegallo AP 11 523 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 15 604 8210
Acquasanta Terme AP 16 2916 11126
Preci PG 18 724 11850
Amatrice RI 18 2657 14507
Cascia PG 19 3217 17724
Ussita MC 19 444 18168
Visso MC 19 1107 19275
Cittareale RI 20 482 19757
Montefortino FM 20 1178 20935

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 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 0.9 2020-02-25
01:17:58
42.7878 13.2215 11 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80474101
Reviewed
Rev100
ML 1.0 2020-02-25
01:17:58
42.7912 13.2298 11 2020-02-25
01:22:53
Sala Sismica INGV-Roma 76787931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 01:17:58 ± 0.05
Latitude 42.7878 ± 0.0027
Longitude 13.2215 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80474101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
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) 84
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80474101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 17:44:04

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 76787931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 01:22:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2020-02-25T01:19:33.84 3.0 undecidable manual Sn -0.2 0
SI.KOSI.HHZ. 2020-02-25T01:19:24.13 3.0 undecidable manual Sg 10.3 0
IV.ERC.EHZ. 2020-02-25T01:19:19.29 3.0 undecidable manual Pg 15.25 0
IX.MNT3.HHZ.02 2020-02-25T01:18:43.57 3.0 undecidable manual Pg 9.33 0
IV.TERO.HHZ. 2020-02-25T01:18:10.44 0.6 undecidable manual S 120 36.1416 90 -0.1 48
IV.CESI.HHZ. 2020-02-25T01:18:10.35 0.3 undecidable manual S 313 35.2425 90 0.05 72
IV.RM33.EHZ. 2020-02-25T01:18:09.30 0.3 undecidable manual S 181 30.9468 90 0.15 70
IV.CAMP.HHE. 2020-02-25T01:18:09.17 0.6 undecidable manual S 151 31.8459 90 -0.23 47
IV.MF5.EHZ. 2020-02-25T01:18:09.53 0.6 undecidable manual S 41 29.4483 91 0.78 39
IV.FDMO.HHZ. 2020-02-25T01:18:08.66 0.1 undecidable manual S 338 29.6481 91 -0.15 95
IT.MTCL.HGZ. 2020-02-25T01:18:08.37 0.6 undecidable manual S 322 29.1486 91 -0.3 46
IV.GIGS.HHZ. 2020-02-25T01:18:07.02 0.3 undecidable manual P 142 46.9197 90 -0.06 71
IV.LNSS.HNZ. 2020-02-25T01:18:07.75 0.6 undecidable manual S 216 25.2525 91 0.11 48
IV.SMA1.EHZ. 2020-02-25T01:18:06.02 0.3 undecidable manual S 152 19.7691 91 -0.15 73
IV.T1299.HNN. 2020-02-25T01:18:05.83 0.3 undecidable manual S 164 17.7711 92 0.2 71
IV.TERO.HHZ. 2020-02-25T01:18:05.27 0.1 undecidable manual P 120 36.1416 90 -0.15 94
IV.CESI.HHZ. 2020-02-25T01:18:05.20 0.1 undecidable manual P 313 35.2425 90 -0.09 95
IV.CAMP.HHE. 2020-02-25T01:18:04.55 0.1 undecidable manual P 151 31.8459 90 -0.21 94
IV.MF5.EHZ. 2020-02-25T01:18:04.80 0.3 undecidable manual P 41 29.4483 91 0.41 67
IV.MC2.EHZ. 2020-02-25T01:18:04.98 0.3 undecidable manual S 349 13.9749 98 0.36 70
IV.MMO1.EHZ. 2020-02-25T01:18:04.69 0.1 undecidable manual S 35 15.0738 95 -0.22 96
IV.FDMO.HHZ. 2020-02-25T01:18:04.27 0.1 undecidable manual P 338 29.6481 91 -0.16 95
IT.MTCL.HGZ. 2020-02-25T01:18:04.14 0.1 undecidable manual P 322 29.1486 91 -0.2 94
IV.MTRA.EHZ. 2020-02-25T01:18:04.57 0.6 undecidable manual S 104 14.6742 96 -0.24 48
IV.RM33.EHZ. 2020-02-25T01:18:04.64 0.1 undecidable manual P 181 30.9468 90 0.02 96
IV.NRCA.HHZ. 2020-02-25T01:18:03.55 0.1 undecidable manual S 300 10.0788 120 -0.1 99
IV.LNSS.HNZ. 2020-02-25T01:18:03.80 0.1 undecidable manual P 216 25.2525 91 0.05 97
IV.MTRA.EHZ. 2020-02-25T01:18:02.04 0.3 undecidable manual P 104 14.6742 96 -0.07 75
IV.SMA1.EHZ. 2020-02-25T01:18:02.86 0.1 undecidable manual P 152 19.7691 91 -0.04 99
IV.T1299.HNN. 2020-02-25T01:18:02.73 0.1 undecidable manual P 164 17.7711 92 0.14 96
IV.MC2.EHZ. 2020-02-25T01:18:02.10 0.1 undecidable manual P 349 13.9749 98 0.09 98
IV.MMO1.EHZ. 2020-02-25T01:18:02.15 0.1 undecidable manual P 35 15.0738 95 -0.02 100
IV.NRCA.HHZ. 2020-02-25T01:18:01.54 0.1 undecidable manual P 300 10.0788 120 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.5 0.00034399999999999996 1.04 AML other m 2020-02-25T01:18:03.11
IV.NRCA.HHN. ML:1.5 0.0003465 0.08 AML other m 2020-02-25T01:18:03.65
IV.SMA1.EHE. ML:1.0 0.0000717 0.2 AML other m 2020-02-25T01:18:06.27
IV.SMA1.EHN. ML:1.0 0.00007314999999999999 1 AML other m 2020-02-25T01:18:06.12
IV.FDMO.HHE. ML:0.6 0.00001835 1.86 AML other m 2020-02-25T01:18:09.05
IV.RM33.EHN. ML:0.7 0.000022599999999999997 0.96 AML other m 2020-02-25T01:18:09.43
IV.FDMO.HHN. ML:0.7 0.00002675 0.24 AML other m 2020-02-25T01:18:09.46
IV.RM33.EHE. ML:0.6 0.000022449999999999997 0.78 AML other m 2020-02-25T01:18:10.39
IV.CESI.HHE. ML:0.9 0.00002985 0.68 AML other m 2020-02-25T01:18:10.79
IV.CESI.HHN. ML:1.1 0.0000429 0.58 AML other m 2020-02-25T01:18:10.87
IV.TERO.HHE. ML:1.0 0.00003655 1.26 AML other m 2020-02-25T01:18:10.13
IV.TERO.HHN. ML:1.1 0.000050299999999999996 0.24 AML other m 2020-02-25T01:18:10.87
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