Earthquake with magnitude of ML 1.5 on date 26-09-2018 and time 19:44:48 (Italy) in region 4 km W Cerreto di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km W Cerreto di Spoleto (PG), on

  • 26-09-2018 17:44:48 (UTC)
  • 26-09-2018 19:44:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.82, 12.88 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cerreto di Spoleto PG 4 1075 1075
Vallo di Nera PG 5 364 1439
Campello sul Clitunno PG 8 2442 3881
Sellano PG 9 1079 4960
Sant'Anatolia di Narco PG 10 564 5524
Scheggino PG 12 461 5985
Poggiodomo PG 12 117 6102
Trevi PG 13 8469 14571
Spoleto PG 14 38218 52789
Preci PG 15 724 53513
Cascia PG 16 3217 56730
Castel Ritaldi PG 17 3278 60008
Norcia PG 18 4957 64965
Monteleone di Spoleto PG 19 599 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
70 Km W of Teramo (54892 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
95 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
Rev 1000 ML 1.5 2018-09-26
17:44:48
42.81 12.87 10 2019-06-04
09:16:09
Bollettino Sismico Italiano INGV 65537361
Rev 100 ML 1.5 2018-09-26
17:44:48
42.81 12.87 10 2018-09-26
17:51:11
Sala Sismica INGV-Roma 61340161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-26 17:44:48 ± 0.04
Latitude 42.81 ± 0.00
Longitude 12.87 ± 0.00
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 65537361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 187
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 301
Circular confidence region, given by single value of horizontal uncertainty (meter) 190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.40834
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 61340161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-26 17:51:11

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 65537361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-14 12:07:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2018-09-26T17:48:15.00 3.0 undecidable manual S 0.7617 9.999 0
IV.LIK.EHZ.01 2018-09-26T17:45:11.98 3.0 undecidable manual P 1.4083 -1.86 0
IV.EL6.EHZ. 2018-09-26T17:45:07.30 0.3 undecidable manual S 18 0.5405 50 0.42 65
IV.PIEI.HHZ. 2018-09-26T17:45:04.78 3.0 undecidable manual P 0.7617 2 0
IV.RM33.EHZ. 2018-09-26T17:45:02.80 0.3 undecidable manual S 141 0.3948 50 0.25 70
IV.PF6.EHN. 2018-09-26T17:45:02.70 0.3 undecidable manual S 36 0.3984 50 0.02 73
IV.MTRA.EHE. 2018-09-26T17:45:02.40 0.3 undecidable manual S 98 0.3867 50 0.07 72
IV.MGAB.HHZ. 2018-09-26T17:45:02.10 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2018-09-26T17:45:00.90 0.3 undecidable manual S 75 0.3417 50 -0.09 73
IV.CESX.HHZ. 2018-09-26T17:44:59.40 0.3 undecidable manual S 226 0.295 50 -0.22 72
IV.FIAM.HHZ. 2018-09-26T17:44:59.86 1.0 undecidable manual P 162 0.5747 50 0.29 22
IV.MML1.HNE. 2018-09-26T17:44:59.90 0.1 undecidable manual S 13 0.3067 50 -0.06 98
IV.ARRO.EHZ. 2018-09-26T17:44:58.20 0.3 undecidable manual S 199 0.2482 50 -0.03 75
IV.ASSB.HHZ. 2018-09-26T17:44:58.90 0.3 undecidable manual S 325 0.277 50 -0.19 72
IV.MC2.EHZ. 2018-09-26T17:44:58.30 0.1 undecidable manual S 67 0.25 50 0.04 100
IV.FDMO.HHZ. 2018-09-26T17:44:58.80 0.3 undecidable manual S 35 0.2707 50 -0.09 74
IV.EL6.EHZ. 2018-09-26T17:44:58.94 0.3 undecidable manual P 18 0.5405 50 -0.05 71
IV.MOMA.HHZ. 2018-09-26T17:44:57.70 0.3 undecidable manual S 267 0.2239 50 0.2 73
IV.LNSS.HHZ. 2018-09-26T17:44:57.90 0.1 undecidable manual S 150 0.2437 50 -0.2 97
IV.CESI.HHZ. 2018-09-26T17:44:56.30 0.1 undecidable manual S 7 0.1916 116 -0.09 100
IV.MTRA.EHE. 2018-09-26T17:44:56.33 0.6 undecidable manual P 98 0.3867 50 -0.04 49
IV.RM33.EHZ. 2018-09-26T17:44:56.37 0.3 undecidable manual P 141 0.3948 50 -0.12 72
IV.PF6.EHN. 2018-09-26T17:44:56.46 0.3 undecidable manual P 36 0.3984 50 -0.1 72
IV.CSP1.EHZ. 2018-09-26T17:44:56.02 0.3 positive manual P 41 0.3678 50 -0.01 74
IV.FEMA.HNZ. 2018-09-26T17:44:56.60 0.3 undecidable manual S 41 0.1952 115 0.08 75
IV.SMA1.EHN. 2018-09-26T17:44:56.55 1.0 undecidable manual P 118 0.3849 50 0.22 23
IV.MMO1.EHZ. 2018-09-26T17:44:55.71 0.3 undecidable manual P 75 0.3417 50 0.12 72
IV.NRCA.HHZ. 2018-09-26T17:44:55.70 0.1 undecidable manual S 84 0.1763 117 -0.17 99
IV.T1299.HNN. 2018-09-26T17:44:55.73 0.6 undecidable manual P 121 0.3489 50 0.01 49
IV.FDMO.HHZ. 2018-09-26T17:44:54.25 0.3 undecidable manual P 35 0.2707 50 -0.13 73
IV.MML1.HNE. 2018-09-26T17:44:54.91 0.1 undecidable manual P 13 0.3067 50 -0.09 98
IV.CESX.HHZ. 2018-09-26T17:44:54.75 0.3 undecidable manual P 226 0.295 50 -0.05 74
IV.ARRO.EHZ. 2018-09-26T17:44:54.15 0.3 undecidable manual P 199 0.2482 50 0.15 73
IV.ASSB.HHZ. 2018-09-26T17:44:54.35 0.3 undecidable manual P 325 0.277 50 -0.14 73
IV.MC2.EHZ. 2018-09-26T17:44:54.02 0.3 undecidable manual P 67 0.25 50 0.01 75
IV.FEMA.HNZ. 2018-09-26T17:44:53.13 0.1 undecidable manual P 41 0.1952 115 0.12 99
IV.LNSS.HHZ. 2018-09-26T17:44:53.92 0.3 undecidable manual P 150 0.2437 50 0 75
IV.CESI.HHZ. 2018-09-26T17:44:53.02 0.1 undecidable manual P 7 0.1916 116 0.09 100
IV.MOMA.HHZ. 2018-09-26T17:44:53.73 0.3 undecidable manual P 267 0.2239 50 0.16 73
IV.NRCA.HHZ. 2018-09-26T17:44:52.71 0.3 undecidable manual P 84 0.1763 117 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0 0.000719707 0.0768 AML other m 2018-09-26T17:44:55.89
IV.NRCA.HHE. ML:0 0.0003064894 0.064 AML other m 2018-09-26T17:44:56.10
IV.CESI.HHE. ML:0 0.0002104019 0.1152 AML other m 2018-09-26T17:44:56.68
IV.CESI.HHN. ML:0 0.0004549332 0.1664 AML other m 2018-09-26T17:44:56.54
IV.MOMA.HHE. ML:0 9.6357595E-5 0.1536 AML other m 2018-09-26T17:44:58.30
IV.MOMA.HHN. ML:0 0.00011741945 0.1792 AML other m 2018-09-26T17:44:58.60
IV.FDMO.HHN. ML:0 0.0001317631 0.1152 AML other m 2018-09-26T17:44:58.98
IV.ARRO.EHN. ML:0 0.00010626738 0.1792 AML other m 2018-09-26T17:44:59.03
IV.LNSS.HHN. ML:0 0.0002934798 0.1408 AML other m 2018-09-26T17:44:59.14
IV.ASSB.HHE. ML:0 0.00011307772 0.1664 AML other m 2018-09-26T17:44:59.76
IV.FDMO.HHE. ML:0 0.0001893836 0.1792 AML other m 2018-09-26T17:44:59.23
IV.ARRO.EHE. ML:0 0.000122781715 0.2432 AML other m 2018-09-26T17:44:58.53
IV.LNSS.HHE. ML:0 0.00020577325 0.1792 AML other m 2018-09-26T17:44:59.55
IV.ASSB.HHN. ML:0 0.0001159989 0.1024 AML other m 2018-09-26T17:44:59.64
IV.CESX.HHN. ML:0 8.987416E-5 0.2304 AML other m 2018-09-26T17:45:00.56
IV.CESX.HHE. ML:0 8.709165E-5 0.2688 AML other m 2018-09-26T17:45:01.22
IV.RM33.EHN. ML:0 8.2566185E-5 0.2816 AML other m 2018-09-26T17:45:03.82
IV.RM33.EHE. ML:0 7.4287875E-5 0.192 AML other m 2018-09-26T17:45:04.48
IV.NRCA.HNE. ML:1.6 0.0002873428 0.064 AML other m 2018-09-26T17:44:56.17
IV.NRCA.HNN. ML:1.9 0.0006507825 0.0896 AML other m 2018-09-26T17:44:55.89
IV.CSP1.EHN. ML:1.4 9.583851E-5 0.2432 AML other m 2018-09-26T17:45:02.52
IV.CSP1.EHE. ML:1.5 0.00011593583 0.1792 AML other m 2018-09-26T17:45:02.85
IV.EL6.EHE. ML:1.5 6.47207E-5 0.1792 AML other m 2018-09-26T17:45:09.15
IV.EL6.EHN. ML:1.7 0.00011083525 0.1536 AML other m 2018-09-26T17:45:08.54
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download