Earthquake with magnitude of ML 0.7 on date 18-04-2023 and time 05:04:39 (UTC) in region 4 km SE Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km SE Sellano (PG), on

  • 18-04-2023 05:04:39 (UTC)
  • 18-04-2023 07:04:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8570, 12.9450 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
Sellano PG 4 1079 1079
Cerreto di Spoleto PG 5 1075 2154
Preci PG 8 724 2878
Vallo di Nera PG 12 364 3242
Norcia PG 14 4957 8199
Campello sul Clitunno PG 14 2442 10641
Visso MC 14 1107 11748
Monte Cavallo MC 16 145 11893
Trevi PG 16 8469 20362
Poggiodomo PG 16 117 20479
Sant'Anatolia di Narco PG 16 564 21043
Cascia PG 16 3217 24260
Castelsantangelo sul Nera MC 18 281 24541
Scheggino PG 18 461 25002
Ussita MC 19 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N 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 0.7 2023-04-18
05:04:39
42.8572 12.9447 11 2024-03-01
17:18:15
Bollettino Sismico Italiano INGV 120463771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 05:04:39 ± 0.05
Latitude 42.8572 ± 0.0027
Longitude 12.9447 ± 0.0049
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 120463771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 120463771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-07 10:06:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-04-18T05:06:03.83 3.0 undecidable manual Sn 2.82 0
IV.SIRI.HNZ. 2023-04-18T05:05:44.78 3.0 undecidable manual Pg 16.940001 0
IV.ZEN8.EHZ. 2023-04-18T05:05:40.88 3.0 undecidable manual Sg -0.01 0
IV.MRVN.HHZ. 2023-04-18T05:05:33.70 3.0 undecidable manual Pg 9.96 0
IV.CING.HHZ. 2023-04-18T05:05:09.68 3.0 undecidable manual S 1.32 0
IV.MGAB.HHZ. 2023-04-18T05:05:00.46 3.0 undecidable manual S 0.12 0
IV.CING.HHZ. 2023-04-18T05:04:57.85 3.0 undecidable manual Pg 0
IV.NDIM.HNZ. 2023-04-18T05:04:57.33 3.0 undecidable manual Pg 2.12 0
TV.SF11.HHZ. 2023-04-18T05:04:57.13 3.0 undecidable manual P 0.19 0
IV.CSP1.EHZ. 2023-04-18T05:04:51.04 0.6 undecidable manual S 39 33.5442 50 0 49
IV.MGAB.HHZ. 2023-04-18T05:04:51.00 3.0 undecidable manual P -0.55 0
IV.ASSB.HHN. 2023-04-18T05:04:50.27 0.6 undecidable manual S 312 31.0467 50 -0.1 48
IV.MMO1.EHN. 2023-04-18T05:04:50.42 0.6 undecidable manual S 81 31.4463 50 -0.06 49
7F.SIB1.EHE. 2023-04-18T05:04:49.04 0.6 undecidable manual S 81 26.751 50 -0.2 48
IV.LNSS.HNZ. 2023-04-18T05:04:49.76 0.6 undecidable manual S 165 29.2485 50 -0.14 48
IV.MML1.HNE. 2023-04-18T05:04:49.97 0.6 undecidable manual S 4 28.5492 50 0.27 47
7F.SIB2.EHE. 2023-04-18T05:04:49.76 0.6 undecidable manual S 83 29.4483 50 -0.19 47
7F.SIB3.EHN. 2023-04-18T05:04:48.81 0.6 undecidable manual S 86 26.5512 50 -0.36 46
IV.IMOL.HNZ. 2023-04-18T05:04:47.02 3.0 negative manual P -0.9 0
IV.FDMO.HHZ. 2023-04-18T05:04:47.86 0.6 undecidable manual S 30 23.0547 50 -0.38 46
IV.CESI.HHZ. 2023-04-18T05:04:46.33 0.6 undecidable manual S 349 16.6722 122 -0.08 50
IV.CSP1.EHZ. 2023-04-18T05:04:46.16 0.6 undecidable manual P 39 33.5442 50 -0.02 49
IV.GAVE.EHZ. 2023-04-18T05:04:46.70 0.6 undecidable manual S 193 18.7701 120 -0.32 47
IV.MMO1.EHN. 2023-04-18T05:04:46.22 0.1 undecidable manual P 81 31.4463 50 0.37 91
IV.NRCA.HHZ. 2023-04-18T05:04:45.54 0.6 undecidable manual S 101 14.0748 127 -0.11 50
7F.SIB3.EHN. 2023-04-18T05:04:45.51 0.3 undecidable manual P 86 26.5512 50 0.41 68
7F.SIB1.EHE. 2023-04-18T05:04:45.43 0.6 undecidable manual P 81 26.751 50 0.29 47
IV.LNSS.HNZ. 2023-04-18T05:04:45.49 0.1 undecidable manual P 165 29.2485 50 -0.03 98
IV.MML1.HNE. 2023-04-18T05:04:45.32 0.1 undecidable manual P 4 28.5492 50 -0.09 97
IV.ASSB.HHN. 2023-04-18T05:04:45.83 0.6 undecidable manual P 312 31.0467 50 0.04 49
IV.FEMA.HNE. 2023-04-18T05:04:45.72 0.6 undecidable manual S 36 14.4744 126 -0.04 50
IT.MTCL.HGZ. 2023-04-18T05:04:45.93 0.6 undecidable manual S 16 15.7731 124 -0.22 48
7F.SIB2.EHE. 2023-04-18T05:04:45.67 0.6 undecidable manual P 83 29.4483 50 0.12 48
IV.FDMO.HHZ. 2023-04-18T05:04:44.44 0.6 undecidable manual P 30 23.0547 50 -0.12 49
IV.GAVE.EHZ. 2023-04-18T05:04:43.94 0.3 undecidable manual P 193 18.7701 120 0.08 74
IV.FEMA.HNE. 2023-04-18T05:04:43.33 0.6 undecidable manual P 36 14.4744 126 0.2 49
IT.MTCL.HGZ. 2023-04-18T05:04:43.34 0.3 undecidable manual P 16 15.7731 124 -0.01 76
IV.NRCA.HHZ. 2023-04-18T05:04:43.14 0.1 undecidable manual P 101 14.0748 127 0.07 100
IV.CESI.HHZ. 2023-04-18T05:04:43.55 0.1 undecidable manual P 349 16.6722 122 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.000041599999999999995 0.4 AML other m 2023-04-18T05:04:46.73
IV.CESI.HHE. ML:0.4 0.000020280305 1.2608 AML other m 2023-04-18T05:04:46.67
IV.GAVE.EHN. ML:0.9 0.000059334554999999996 0.2016 AML other m 2023-04-18T05:04:47.61
IV.GAVE.EHE. ML:0.7 0.000041131185 0.1216 AML other m 2023-04-18T05:04:47.96
IV.CSP1.EHN. ML:1.3 0.00008795 1.58 AML other m 2023-04-18T05:04:48.09
IV.FDMO.HHN. ML:0.5 0.000019303515 1.6992 AML other m 2023-04-18T05:04:51.22
IV.CSP1.EHE. ML:1.4 0.00009515000000000001 0.44 AML other m 2023-04-18T05:04:54.02
IV.FDMO.HHE. ML:0.5 0.000019318330000000003 1.4592 AML other m 2023-04-18T05:04:54.73
IV.CING.HHE. ML:0.9 0.000015601884 0.5376 AML other m 2023-04-18T05:05:09.65
IV.CING.HHN. ML:0.7 0.000010860646000000002 1.8592 AML other m 2023-04-18T05:05:10.07
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