Earthquake with magnitude of ML 1.3 on date 01-02-2021 and time 10:54:25 (Italy) in region 6 km W Posta (RI)

A magnitude ML 1.3 earthquake occured in region: 6 km W Posta (RI), on

  • 01-02-2021 09:54:25 (UTC)
  • 01-02-2021 10:54:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5190, 13.0190 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
Posta RI 6 694 694
Leonessa RI 7 2435 3129
Micigliano RI 8 127 3256
Borbona RI 9 617 3873
Cantalice RI 11 2755 6628
Poggio Bustone RI 11 2055 8683
Antrodoco RI 12 2588 11271
Borgo Velino RI 13 972 12243
Rivodutri RI 13 1253 13496
Castel Sant'Angelo RI 14 1308 14804
Morro Reatino RI 15 373 15177
Cittaducale RI 16 6828 22005
Monteleone di Spoleto PG 16 599 22604
Cittareale RI 16 482 23086
Polino TR 16 233 23319
Labro RI 18 374 23693
Rieti RI 18 47698 71391
Cagnano Amiterno AQ 18 1369 72760
Montereale AQ 19 2581 75341
Colli sul Velino RI 20 533 75874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Terni (111501 inhabitants)
36 Km NW of L'Aquila (69753 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
58 Km W of Teramo (54892 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
64 Km N of Tivoli (56533 inhabitants)
76 Km E of Viterbo (67173 inhabitants)
82 Km NE of Roma (2864731 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
95 Km N of Velletri (53303 inhabitants)
96 Km W of Chieti (51815 inhabitants)
98 Km W of Pescara (121014 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 1.3 2021-02-01
09:54:25
42.5193 13.0192 11 2021-07-12
16:55:13
Bollettino Sismico Italiano INGV 90674211
Reviewed
Rev100
ML 1.3 2021-02-01
09:54:25
42.5133 13.0062 13 2021-02-01
10:02:29
Sala Sismica INGV-Roma 86759501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-01 09:54:25 ± 0.07
Latitude 42.5193 ± 0.0063
Longitude 13.0192 ± 0.0073
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90674211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 730
Semi-minor axis of confidence ellipse (meter) 580
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 360
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 86759501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-01 10:02:29

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 90674211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 01:50:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAPR.HNZ. 2021-02-01T09:56:13.67 3.0 undecidable manual Sg 12.55 0
IV.CROCE.HNZ. 2021-02-01T09:55:42.92 3.0 positive manual Pn -1.49 0
IV.NDIM.HNZ. 2021-02-01T09:55:40.05 3.0 undecidable manual Sg 2.97 0
IV.SPS2.HHZ. 2021-02-01T09:55:39.62 3.0 positive manual Pg 16.190001 0
OT.OT11.EHZ. 2021-02-01T09:55:36.91 3.0 undecidable manual Sg 10.46 0
IV.MTMR.HNZ. 2021-02-01T09:55:28.64 3.0 undecidable manual Sn -0.34 0
IV.USI.HHZ. 2021-02-01T09:55:27.02 3.0 undecidable manual Pg 10.77 0
IV.CADC.HNZ. 2021-02-01T09:55:19.91 3.0 undecidable manual Pg 7.22 0
IV.FIR.HHZ. 2021-02-01T09:54:45.87 3.0 undecidable manual Pn -1.41 0
IV.MMO1.EHZ. 2021-02-01T09:54:41.34 0.6 undecidable manual S 31 49.0176 90 0.1 47
IV.MC2.EHZ. 2021-02-01T09:54:40.89 0.6 undecidable manual S 18 45.621 90 0.56 42
IV.TERO.HHZ. 2021-02-01T09:54:40.67 0.6 undecidable manual S 76 49.1175 90 -0.59 41
IV.SMA1.EHZ. 2021-02-01T09:54:35.75 0.3 undecidable manual S 64 28.6491 90 -0.04 74
IV.FIAM.HHZ. 2021-02-01T09:54:35.95 0.6 undecidable manual S 164 29.0487 90 0.06 49
IV.MC2.EHZ. 2021-02-01T09:54:34.21 0.3 undecidable manual P 18 45.621 90 0.07 71
IV.ARRO.EHZ. 2021-02-01T09:54:34.16 0.3 undecidable manual S 288 21.7671 90 0.21 72
IV.TERO.HHZ. 2021-02-01T09:54:34.40 0.3 undecidable manual P 76 49.1175 90 -0.28 68
IV.MMO1.EHZ. 2021-02-01T09:54:34.38 0.3 undecidable manual P 31 49.0176 90 -0.29 68
IV.FOSV.EHZ. 2021-02-01T09:54:34.40 3.0 undecidable manual P -1.67 0
IV.GAVE.EHZ. 2021-02-01T09:54:33.73 0.3 undecidable manual S 332 21.7671 90 -0.21 72
IV.RM33.EHZ. 2021-02-01T09:54:32.28 0.3 undecidable manual S 94 15.9729 90 -0.14 74
IV.SMA1.EHZ. 2021-02-01T09:54:31.60 0.1 positive manual P 64 28.6491 90 0.08 98
IV.FIAM.HHZ. 2021-02-01T09:54:31.82 0.3 undecidable manual P 164 29.0487 90 0.24 71
IV.ARRO.EHZ. 2021-02-01T09:54:30.25 0.3 undecidable manual P 288 21.7671 90 -0.21 72
IV.LNSS.HHZ. 2021-02-01T09:54:30.76 0.3 undecidable manual S 11 9.3795 123 0.03 77
IV.GAVE.EHZ. 2021-02-01T09:54:30.49 0.1 undecidable manual P 332 21.7671 90 0.04 100
IV.RM33.EHZ. 2021-02-01T09:54:29.67 0.3 undecidable manual P 94 15.9729 90 0.1 75
IV.LNSS.HHZ. 2021-02-01T09:54:28.80 0.1 undecidable manual P 11 9.3795 123 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.7 0.000601 0.12 AML other m 2021-02-01T09:54:30.90
IV.LNSS.HNE. ML:1.6 0.0005499901 0.1344 AML other m 2021-02-01T09:54:30.89
IV.LNSS.HHN. ML:1.5 0.00040344084999999994 0.1152 AML other m 2021-02-01T09:54:30.00
IV.LNSS.HNN. ML:1.5 0.00036501139999999997 1.8976 AML other m 2021-02-01T09:54:31.95
IV.RM33.HNE. ML:1.4 0.00023210050999999997 0.1344 AML other m 2021-02-01T09:54:32.66
IV.RM33.EHE. ML:1.4 0.00022468730000000002 0.1216 AML other m 2021-02-01T09:54:32.67
IV.RM33.EHN. ML:1.0 0.000095173775 0.0768 AML other m 2021-02-01T09:54:32.71
IV.GAVE.HNE. ML:1.1 0.00008320368999999999 0.2304 AML other m 2021-02-01T09:54:33.92
IV.GAVE.EHN. ML:1.2 0.000097873505 0.1792 AML other m 2021-02-01T09:54:34.12
IV.RM33.HNN. ML:1.1 0.00011618804999999998 0.2112 AML other m 2021-02-01T09:54:34.10
IV.GAVE.EHE. ML:1.1 0.00008263508 0.3008 AML other m 2021-02-01T09:54:34.63
IV.SMA1.EHN. ML:1.5 0.000159362445 0.1984 AML other m 2021-02-01T09:54:36.04
IV.SMA1.EHE. ML:1.5 0.0001525 0.16 AML other m 2021-02-01T09:54:36.20
IV.FIAM.HHN. ML:0.8 0.00003018179 0.2176 AML other m 2021-02-01T09:54:36.37
IV.FIAM.HHE. ML:0.6 0.000017705414 0.32 AML other m 2021-02-01T09:54:39.37
IV.TERO.HHN. ML:1.1 0.00003468143 1.8592 AML other m 2021-02-01T09:54:40.96
IV.TERO.HHE. ML:1.0 0.00002377037 0.064 AML other m 2021-02-01T09:54:41.11
IV.GAVE.HNN. ML:1.4 0.0001804307 0.7488 AML other m 2021-02-01T09:54:45.09
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