Earthquake with magnitude of ML 0.5 on date 26-04-2023 and time 06:14:15 (Italy) in region 4 km E Sellano (PG)

A magnitude ML 0.5 earthquake occured in region: 4 km E Sellano (PG), on

  • 26-04-2023 04:14:15 (UTC)
  • 26-04-2023 06:14:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 12.9760 at 9 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
Preci PG 5 724 1803
Cerreto di Spoleto PG 8 1075 2878
Visso MC 11 1107 3985
Monte Cavallo MC 13 145 4130
Norcia PG 14 4957 9087
Castelsantangelo sul Nera MC 15 281 9368
Ussita MC 15 444 9812
Vallo di Nera PG 16 364 10176
Campello sul Clitunno PG 18 2442 12618
Cascia PG 18 3217 15835
Trevi PG 19 8469 24304
Poggiodomo PG 19 117 24421
Pieve Torina MC 19 1458 25879
Fiordimonte MC 20 202 26081
Sant'Anatolia di Narco PG 20 564 26645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 0.5 2023-04-26
04:14:15
42.8817 12.9765 9 2024-03-01
17:18:09
Bollettino Sismico Italiano INGV 117676831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 04:14:15 ± 0.08
Latitude 42.8817 ± 0.0018
Longitude 12.9765 ± 0.0025
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117676831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17447
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 3
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117676831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-24 12:36:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2023-04-26T04:15:48.36 3.0 undecidable manual Sg 15.34 0
IV.SGRT.HHZ. 2023-04-26T04:15:28.95 3.0 undecidable manual Sg 6.52 0
1J.FX14.HHZ.00 2023-04-26T04:15:27.48 3.0 negative manual Pg 21.139999 0
GU.TRAV.HHZ. 2023-04-26T04:15:19.06 3.0 positive manual Pg 25.58 0
IV.MRLC.HHZ. 2023-04-26T04:15:11.23 3.0 undecidable manual Sn -9.99 0
OT.OT12.EHZ. 2023-04-26T04:15:09.95 3.0 undecidable manual Sn -9.99 0
IV.CAR1.HHZ. 2023-04-26T04:15:09.61 3.0 negative manual Pg 13.29 0
IV.CFMN.HNZ. 2023-04-26T04:15:05.45 3.0 undecidable manual Sg 0.75 0
IV.CRTC.HHZ. 2023-04-26T04:15:01.23 3.0 undecidable manual Sg 2.62 0
IV.LPEL.HHZ. 2023-04-26T04:15:01.56 3.0 undecidable manual Sg 2.32 0
IV.ORI.HHZ. 2023-04-26T04:14:55.93 3.0 negative manual Pn 3.39 0
IV.VCEL.EHZ. 2023-04-26T04:14:48.57 3.0 undecidable manual Sg -6.73 0
OT.OT14.EHZ. 2023-04-26T04:14:34.67 3.0 negative manual Pn -6.16 0
IV.MPAG.HNZ. 2023-04-26T04:14:30.56 3.0 undecidable manual Pg 5.97 0
IV.FDMO.HHZ. 2023-04-26T04:14:23.23 0.3 undecidable manual S 28 19.3695 116 0.03 74
IV.CESI.HHZ. 2023-04-26T04:14:21.79 0.3 undecidable manual S 337 14.874 122 -0.03 74
IV.NRCA.HHZ. 2023-04-26T04:14:21.12 0.1 undecidable manual S 115 12.3765 127 0 100
IV.FDMO.HHZ. 2023-04-26T04:14:20.00 0.1 positive manual P 28 19.3695 116 -0.04 98
IV.CESI.HHZ. 2023-04-26T04:14:19.29 0.1 positive manual P 337 14.874 122 0.04 99
IV.RIBO.EHZ.01 2023-04-26T04:14:19.89 3.0 positive manual P 2.38 0
IV.NRCA.HHZ. 2023-04-26T04:14:18.84 0.1 negative manual P 115 12.3765 127 0 100
IV.MGAB.HHZ. 2023-04-26T04:14:13.47 3.0 undecidable manual P -4.34 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNN. ML:1.0 0.000102233505 3.248 AML other m 2023-04-26T04:14:26.70
IV.CESI.HHN. ML:0.3 0.000019422139999999998 0.1184 AML other m 2023-04-26T04:14:22.14
IV.CESI.HNE. ML:1.1 0.00012708615000000002 2.9472 AML other m 2023-04-26T04:14:21.59
IV.CESI.HHE. ML:0.5 0.000030276829999999997 1.2416 AML other m 2023-04-26T04:14:22.14
IV.FDMO.HHN. ML:0.3 0.00001703704 2.7392 AML other m 2023-04-26T04:14:23.53
IV.FDMO.HHE. ML:0.3 0.000016517865 1.1968 AML other m 2023-04-26T04:14:23.64
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