Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-08-2014 and time 00:56:28 (Italy) in region 3 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km SE Cerreto di Spoleto (PG), on

  • 24-08-2014 22:56:28 (UTC)
  • 25-08-2014 00:56:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 12.9430 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.

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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
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 7 364 1439
Poggiodomo PG 10 117 1556
Sellano PG 10 1079 2635
Cascia PG 11 3217 5852
Sant'Anatolia di Narco PG 11 564 6416
Preci PG 12 724 7140
Norcia PG 12 4957 12097
Scheggino PG 13 461 12558
Campello sul Clitunno PG 14 2442 15000
Monteleone di Spoleto PG 16 599 15599
Spoleto PG 18 38218 53817
Trevi PG 18 8469 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 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 1.5 2014-08-24
22:56:28		 42.7997 12.943 9 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18421851
Reviewed
Rev100 		ML 1.5 2014-08-24
22:56:28		 42.7972 12.9495 8 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7969911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-24 22:56:28 ± 0.05
Latitude 42.7997 ± 0.0027
Longitude 12.9430 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18421851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 307
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.69787
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 18421851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-15 10:12:14

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 7969911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-24 23:01:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2014-08-24T22:56:52.97 0.3 undecidable manual S 360 77.4669 50 0.69 58
IV.ATFO.HHZ. 2014-08-24T22:56:50.96 0.6 undecidable manual S 335 69.6747 50 0.75 38
IV.CING.HHZ. 2014-08-24T22:56:49.99 0.6 undecidable manual S 18 67.0773 50 0.48 42
IV.MURB.HHZ. 2014-08-24T22:56:48.99 1.0 undecidable manual S 327 61.5939 50 0.95 18
IV.ATCC.EHZ. 2014-08-24T22:56:44.90 0.6 undecidable manual S 330 49.3173 50 0.13 47
IV.ARVD.HHZ. 2014-08-24T22:56:42.11 0.1 undecidable manual P 360 77.4669 50 -0.19 89
IV.CSP1.EHZ. 2014-08-24T22:56:41.72 0.6 undecidable manual S 33 38.7279 50 -0.23 47
IV.RM33.EHZ. 2014-08-24T22:56:41.90 0.6 undecidable manual S 145 39.1275 50 -0.15 48
IV.ATFO.HHZ. 2014-08-24T22:56:41.24 0.1 undecidable manual P 335 69.6747 50 0.14 91
IV.ASSB.HHZ. 2014-08-24T22:56:40.74 0.3 undecidable manual S 320 35.4423 50 -0.33 70
IV.CING.HHZ. 2014-08-24T22:56:40.53 0.3 positive manual P 18 67.0773 50 -0.16 68
IV.MOMA.HHZ. 2014-08-24T22:56:39.44 0.6 undecidable manual S 270 30.5472 106 -0.24 48
IV.MURB.HHZ. 2014-08-24T22:56:39.89 0.6 negative manual P 327 61.5939 50 0.04 47
IV.EL6.EHZ. 2014-08-24T22:56:39.41 0.1 undecidable manual P 12 60.1953 50 -0.22 91
IV.ARRO.EHZ. 2014-08-24T22:56:39.17 0.6 undecidable manual S 211 28.4493 107 0.19 49
IV.FOSV.EHZ. 2014-08-24T22:56:39.00 1.0 undecidable manual P 345 56.8986 50 -0.12 23
IV.FDMO.HHZ. 2014-08-24T22:56:38.66 0.6 undecidable manual S 24 28.749 107 -0.45 46
IV.GUMA.HHZ. 2014-08-24T22:56:37.03 0.1 undecidable manual P 47 43.2234 50 0.02 98
IV.LNSS.HHZ. 2014-08-24T22:56:37.40 0.6 undecidable manual S 160 23.2545 111 0.11 50
IV.CESI.HHZ. 2014-08-24T22:56:37.09 0.6 undecidable manual S 352 22.9548 111 -0.11 50
IV.ATCC.EHZ. 2014-08-24T22:56:37.85 0.3 positive manual P 330 49.3173 50 -0.11 71
IV.FEMA.HNZ. 2014-08-24T22:56:36.38 0.6 undecidable manual S 26 19.9689 114 0.14 50
IV.CSP1.EHZ. 2014-08-24T22:56:36.08 0.3 positive manual P 33 38.7279 50 -0.25 71
IV.RM33.EHZ. 2014-08-24T22:56:36.26 0.1 undecidable manual P 145 39.1275 50 -0.13 96
IV.ASSB.HHZ. 2014-08-24T22:56:35.61 0.3 negative manual P 320 35.4423 50 -0.22 71
IV.CESX.HHZ. 2014-08-24T22:56:35.80 0.1 undecidable manual P 234 35.9418 50 -0.1 97
IV.ARRO.EHZ. 2014-08-24T22:56:34.77 0.1 positive manual P 211 28.4493 107 0.15 98
IV.MOMA.HHZ. 2014-08-24T22:56:34.97 0.1 undecidable manual P 270 30.5472 106 -0.05 99
IV.NRCA.HNZ. 2014-08-24T22:56:34.60 0.6 undecidable manual S 75 14.4744 122 0.06 51
IV.FDMO.HHZ. 2014-08-24T22:56:34.46 0.1 positive manual P 24 28.749 107 -0.23 96
IV.LNSS.HHZ. 2014-08-24T22:56:33.77 0.1 undecidable manual P 160 23.2545 111 0.14 99
IV.CESI.HHZ. 2014-08-24T22:56:33.68 0.1 undecidable manual P 352 22.9548 111 0.09 100
IV.FEMA.HNZ. 2014-08-24T22:56:33.17 0.1 undecidable manual P 26 19.9689 114 0.13 100
IV.NRCA.HNZ. 2014-08-24T22:56:32.22 0.1 undecidable manual P 75 14.4744 122 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.4 0.00011499999999999999 1.16 AML other m 2014-08-24T22:56:41.09
IV.ARRO.EHE. ML:1.4 0.000141 0.16 AML other m 2014-08-24T22:56:41.28
IV.ARVD.HHE. ML:1.4 0.00004175 0.88 AML other m 2014-08-24T22:56:53.65
IV.ARVD.HHN. ML:1.4 0.0000401 0.56 AML other m 2014-08-24T22:56:53.90
IV.ASSB.HHE. ML:1.7 0.000217 0.06 AML other m 2014-08-24T22:56:41.09
IV.ASSB.HHN. ML:1.7 0.0001865 0.08 AML other m 2014-08-24T22:56:41.05
IV.ATFO.HHE. ML:1.2 0.00002705 0.2 AML other m 2014-08-24T22:56:51.83
IV.ATFO.HHN. ML:1.2 0.000023800000000000003 1.06 AML other m 2014-08-24T22:56:55.55
IV.CESI.HHE. ML:1.5 0.00020750000000000003 0.32 AML other m 2014-08-24T22:56:37.46
IV.CESI.HHN. ML:1.5 0.00019 0.1 AML other m 2014-08-24T22:56:37.85
IV.CESX.HHE. ML:1.5 0.0001175 0.24 AML other m 2014-08-24T22:56:44.22
IV.CESX.HHN. ML:1.5 0.00011899999999999999 0.66 AML other m 2014-08-24T22:56:44.61
IV.CING.HHE. ML:1.3 0.000036 0.54 AML other m 2014-08-24T22:56:51.13
IV.CING.HHN. ML:1.2 0.000025399999999999997 0.2 AML other m 2014-08-24T22:56:53.74
IV.FDMO.HHE. ML:1.8 0.000313 0.78 AML other m 2014-08-24T22:56:38.81
IV.FDMO.HHN. ML:1.7 0.000264 0.58 AML other m 2014-08-24T22:56:38.83
IV.GUMA.HHN. ML:1.6 0.00013900000000000002 1.24 AML other m 2014-08-24T22:56:45.81
IV.GUMA.HHE. ML:1.7 0.000157 0.2 AML other m 2014-08-24T22:56:46.01
IV.MOMA.HHN. ML:1.5 0.0001439 0.48 AML other m 2014-08-24T22:56:40.03
IV.MOMA.HHE. ML:1.6 0.000176 1 AML other m 2014-08-24T22:56:41.30
IV.MURB.HHN. ML:1.6 0.00007505000000000001 0.24 AML other m 2014-08-24T22:56:55.29
IV.MURB.HHE. ML:1.7 0.00009894999999999999 1.08 AML other m 2014-08-24T22:56:50.77
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