Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-02-2020 and time 13:05:45 (Italy) in region 7 km W Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 7 km W Accumoli (RI), on

  • 25-02-2020 12:05:45 (UTC)
  • 25-02-2020 13:05:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6980, 13.1610 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
Accumoli RI 7 667 667
Cittareale RI 9 482 1149
Norcia PG 12 4957 6106
Cascia PG 12 3217 9323
Amatrice RI 13 2657 11980
Arquata del Tronto AP 14 1178 13158
Monteleone di Spoleto PG 18 599 13757
Poggiodomo PG 19 117 13874
Posta RI 20 694 14568

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of L'Aquila (69753 inhabitants)
45 Km E of Terni (111501 inhabitants)
45 Km W of Teramo (54892 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km E of Viterbo (67173 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 1.5 2020-02-25
12:05:45		 42.6977 13.1608 10 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79660721
Reviewed
Rev100 		ML 1.5 2020-02-25
12:05:45		 42.696 13.1478 11 2020-02-25
12:13:38		 Sala Sismica INGV-Roma 76798311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 12:05:45 ± 0.05
Latitude 42.6977 ± 0.0027
Longitude 13.1608 ± 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 79660721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
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) 45
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75993
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 79660721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-28 16:19:20

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 76798311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 12:13:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CROCE.HHZ. 2020-02-25T12:08:00.59 3.0 undecidable manual Sn -9.04 0
XK.ALB1.HNZ. 2020-02-25T12:07:57.74 3.0 undecidable manual Sg 23.780001 0
IV.QLNO.HHZ. 2020-02-25T12:07:51.81 3.0 undecidable manual Sg 23.879999 0
MN.PDG.HHZ. 2020-02-25T12:07:37.69 3.0 undecidable manual Sn 0.72 0
IV.CRAC.EHZ. 2020-02-25T12:07:21.33 3.0 undecidable manual Sg 14.62 0
IV.VENL.HNZ. 2020-02-25T12:07:18.18 3.0 undecidable manual Sg 16.17 0
IT.LNT.HGZ. 2020-02-25T12:07:17.28 3.0 undecidable manual Pg 17.459999 0
IV.CAVE.HHZ. 2020-02-25T12:07:03.82 3.0 undecidable manual Sn 4.16 0
IT.ACQ.HGZ. 2020-02-25T12:07:01.48 3.0 positive manual Pg 18.719999 0
IV.ZONE.HHZ. 2020-02-25T12:06:54.75 3.0 positive manual Pg 14.11 0
CH.FUORN.HHZ. 2020-02-25T12:06:51.57 3.0 undecidable manual Pn 1.76 0
GU.CANO.HHZ. 2020-02-25T12:06:43.70 3.0 negative manual Pn 1.87 0
MN.TRI.HHZ. 2020-02-25T12:06:42.73 3.0 positive manual Pg 12.58 0
IV.RIBO.EHZ.01 2020-02-25T12:06:42.21 3.0 undecidable manual Sg 11.03 0
CR.STON.BHZ. 2020-02-25T12:06:41.68 3.0 negative manual Pg 10.88 0
RD.PGF.BHZ. 2020-02-25T12:06:37.82 3.0 undecidable manual Pg 8.13 0
IV.CAR1.HHZ. 2020-02-25T12:06:35.45 3.0 undecidable manual Pn -4.52 0
IV.MAON.HHZ. 2020-02-25T12:06:31.64 3.0 undecidable manual Sg 3.17 0
IV.VITU.HNZ. 2020-02-25T12:06:28.84 3.0 undecidable manual Sg -0.79 0
IV.PTRJ.HHZ. 2020-02-25T12:06:25.23 3.0 undecidable manual Sg 0.25 0
GU.POPM.HHZ. 2020-02-25T12:06:24.97 3.0 positive manual Pg 5.87 0
IV.FIR.HHZ. 2020-02-25T12:06:20.68 3.0 undecidable manual Pg 7.76 0
IV.SACS.HNZ. 2020-02-25T12:06:15.18 3.0 undecidable manual S -0.41 0
IV.CERT.HHE. 2020-02-25T12:06:00.16 1.0 undecidable manual P 190 84.3489 50 -0.11 22
IV.CESI.HHZ. 2020-02-25T12:05:59.03 0.6 undecidable manual S 329 39.9267 50 -0.01 48
IV.FDMO.HHZ. 2020-02-25T12:05:58.42 0.6 undecidable manual S 351 38.0286 50 -0.12 48
IV.ARRO.EHZ. 2020-02-25T12:05:58.10 0.6 undecidable manual S 248 34.8429 50 0.43 45
IV.VCEL.EHZ. 2020-02-25T12:05:58.37 3.0 undecidable manual S -0.59 0
IV.TERO.HHZ. 2020-02-25T12:05:58.13 0.3 undecidable manual S 103 37.1295 50 -0.15 71
IT.MTCL.HGZ. 2020-02-25T12:05:58.23 0.3 undecidable manual S 338 35.4423 50 0.41 67
IV.CESX.HHE. 2020-02-25T12:05:55.10 1.0 undecidable manual P 258 47.9187 50 0.45 22
IV.MMO1.EHZ. 2020-02-25T12:05:55.27 0.3 undecidable manual S 31 26.1516 50 -0.08 73
IV.CAMP.HHZ. 2020-02-25T12:05:55.63 0.3 undecidable manual S 131 27.0507 50 0.03 74
IV.MC2.EHZ. 2020-02-25T12:05:54.76 0.6 undecidable manual S 6 23.8539 50 0.03 50
IV.FIAM.HHZ. 2020-02-25T12:05:54.67 3.0 undecidable manual S -0.48 0
IV.CSP1.EHZ. 2020-02-25T12:05:54.00 0.3 undecidable manual P 5 43.9227 50 -0.04 72
IV.OFFI.HHE. 2020-02-25T12:05:54.35 1.0 undecidable manual P 58 50.2164 50 -0.66 20
IV.FOSV.EHZ. 2020-02-25T12:05:54.35 3.0 undecidable manual P -3.74 0
IV.MF5.EHZ. 2020-02-25T12:05:54.04 0.3 undecidable manual P 37 40.3263 50 0.55 64
IV.MOMA.HNZ. 2020-02-25T12:05:54.75 1.0 undecidable manual P 284 49.5171 50 -0.16 23
IV.GUMA.HHZ. 2020-02-25T12:05:54.06 0.6 undecidable manual P 19 42.9237 50 0.17 47
IV.MML1.HNE. 2020-02-25T12:05:54.87 0.6 undecidable manual P 342 48.618 50 0.1 47
IV.FDMO.HHZ. 2020-02-25T12:05:53.03 0.3 undecidable manual P 351 38.0286 50 -0.11 71
IV.RM33.EHZ. 2020-02-25T12:05:53.51 0.3 undecidable manual S 168 21.3675 116 -0.51 67
IV.SAP2.EHE. 2020-02-25T12:05:53.93 0.6 undecidable manual P 24 48.3183 50 -0.79 38
IV.CESI.HHZ. 2020-02-25T12:05:53.34 0.3 undecidable manual P 329 39.9267 50 -0.09 71
IV.GAVE.EHZ. 2020-02-25T12:05:53.80 0.6 undecidable manual S 269 21.7671 116 -0.34 47
IV.GIGS.HHZ. 2020-02-25T12:05:53.79 0.6 undecidable manual P 129 43.2234 50 -0.15 47
IV.NRCA.HNZ. 2020-02-25T12:05:52.00 0.3 undecidable manual S 346 15.5733 124 -0.27 72
IV.TERO.HHZ. 2020-02-25T12:05:52.89 0.3 undecidable manual P 103 37.1295 50 -0.1 72
IT.MTCL.HGZ. 2020-02-25T12:05:52.57 0.6 undecidable manual P 338 35.4423 50 -0.16 47
IV.SMA1.EHZ. 2020-02-25T12:05:52.81 0.3 undecidable manual S 118 16.0728 123 0.39 70
IV.ARRO.EHZ. 2020-02-25T12:05:52.43 0.3 undecidable manual P 248 34.8429 50 -0.21 70
IV.LNSS.HHZ. 2020-02-25T12:05:52.30 0.3 undecidable manual S 223 14.3745 126 0.36 71
IV.MC2.EHZ. 2020-02-25T12:05:51.04 0.3 negative manual P 6 23.8539 50 0.09 74
IV.MMO1.EHZ. 2020-02-25T12:05:51.33 0.1 undecidable manual P 31 26.1516 50 0.02 99
IV.CAMP.HHZ. 2020-02-25T12:05:51.50 0.3 undecidable manual P 131 27.0507 50 0.05 74
IV.GAVE.EHZ. 2020-02-25T12:05:50.47 0.3 undecidable manual P 269 21.7671 116 -0.14 73
IV.SMA1.EHZ. 2020-02-25T12:05:50.05 0.3 undecidable manual P 118 16.0728 123 0.44 69
IV.RM33.EHZ. 2020-02-25T12:05:50.15 0.3 undecidable manual P 168 21.3675 116 -0.39 69
IV.LNSS.HHZ. 2020-02-25T12:05:49.54 0.1 undecidable manual P 223 14.3745 126 0.2 97
IV.NRCA.HNZ. 2020-02-25T12:05:49.59 0.1 undecidable manual P 346 15.5733 124 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.7 0.0003375 0.64 AML other m 2020-02-25T12:05:55.34
IV.LNSS.HHE. ML:1.7 0.0005005378000000001 0.16 AML other m 2020-02-25T12:05:52.50
IV.LNSS.HHN. ML:1.7 0.00046360885 0.1216 AML other m 2020-02-25T12:05:52.56
IV.NRCA.HHN. ML:1.7 0.00047310125000000005 0.1408 AML other m 2020-02-25T12:05:52.13
IV.NRCA.HNE. ML:1.8 0.0005826091 0.096 AML other m 2020-02-25T12:05:52.98
IV.NRCA.HHE. ML:1.8 0.0006201594500000001 0.096 AML other m 2020-02-25T12:05:52.98
IV.SMA1.EHN. ML:1.6 0.00035384764999999997 0.16 AML other m 2020-02-25T12:05:53.47
IV.SMA1.EHE. ML:1.7 0.00045459425 0.16 AML other m 2020-02-25T12:05:53.43
IV.GAVE.HNE. ML:1.7 0.00036166575 0.128 AML other m 2020-02-25T12:05:54.17
IV.GAVE.EHN. ML:1.8 0.0004103903 0.2624 AML other m 2020-02-25T12:05:54.24
IV.TERO.HHN. ML:1.5 0.00012199855 0.0768 AML other m 2020-02-25T12:05:58.74
IV.TERO.HHE. ML:1.2 0.00006464177 0.1408 AML other m 2020-02-25T12:05:58.00
IV.FDMO.HHE. ML:1.3 0.00007745117 0.2624 AML other m 2020-02-25T12:05:58.72
IV.FDMO.HHN. ML:1.2 0.00006380251 0.3392 AML other m 2020-02-25T12:05:59.07
IV.CESI.HHN. ML:1.4 0.00008107926 0.3008 AML other m 2020-02-25T12:05:59.64
IV.CESI.HHE. ML:1.0 0.000035366655 0.16 AML other m 2020-02-25T12:06:01.80
IV.CSP1.EHN. ML:1.5 0.00008755820999999999 0.4608 AML other m 2020-02-25T12:06:01.77
IV.CSP1.EHE. ML:1.4 0.000087362 0.4224 AML other m 2020-02-25T12:06:00.69
IV.GUMA.HHN. ML:1.8 0.00019762475000000002 0.2432 AML other m 2020-02-25T12:06:02.32
IV.GUMA.HHE. ML:2.0 0.00030872935 0.2752 AML other m 2020-02-25T12:06:01.26
IV.LNSS.HNE. ML:1.7 0.0004782379 0.1728 AML other m 2020-02-25T12:05:52.51
IV.LNSS.HNN. ML:1.6 0.0004091533 0.1152 AML other m 2020-02-25T12:05:52.57
IV.RM33.HNE. ML:1.3 0.0001387007 0.16 AML other m 2020-02-25T12:05:54.15
IV.RM33.EHN. ML:1.4 0.0001918207 0.1024 AML other m 2020-02-25T12:05:54.28
IV.RM33.HNN. ML:1.5 0.0002009117 0.096 AML other m 2020-02-25T12:05:54.28
IV.RM33.EHE. ML:1.3 0.00013988255 0.1024 AML other m 2020-02-25T12:05:54.15
IV.GIGS.HHN. ML:0.5 0.0000091329495 0.0832 AML other m 2020-02-25T12:06:02.31
IV.GIGS.HHE. ML:0.7 0.000013825579499999999 0.1152 AML other m 2020-02-25T12:06:01.26
IV.MF5.EHN. ML:1.3 0.000067917015 0.2432 AML other m 2020-02-25T12:06:01.37
IV.MF5.EHE. ML:1.2 0.00006198546095 0.4032 AML other m 2020-02-25T12:06:01.26
IV.GUMA.HNE. ML:1.9 0.0002576242 0.4096 AML other m 2020-02-25T12:06:01.38
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