Earthquake with magnitude of ML 1.4 on date 25-08-2018 and time 03:13:50 (Italy) in region 5 km NE Acqualagna (PU)

A magnitude ML 1.4 earthquake occured in region: 5 km NE Acqualagna (PU), on

  • 25-08-2018 01:13:50 (UTC)
  • 25-08-2018 03:13:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.65, 12.72 at 31 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
Acqualagna PU 5 4393 4393
Fermignano PU 7 8596 12989
Fossombrone PU 9 9575 22564
Urbino PU 11 15019 37583
Isola del Piano PU 11 594 38177
Cagli PU 12 8731 46908
Sant'Ippolito PU 13 1563 48471
Pergola PU 13 6333 54804
Montefelcino PU 14 2671 57475
Frontone PU 15 1300 58775
Fratte Rosa PU 15 966 59741
Petriano PU 15 2829 62570
Urbania PU 16 7099 69669
Serrungarina PU 17 2634 72303
Barchi PU 17 967 73270
Serra Sant'Abbondio PU 18 1027 74297
Piobbico PU 18 2029 76326
Saltara PU 19 6925 83251
Cartoceto PU 19 7887 91138
Peglio PU 19 696 91834
San Lorenzo in Campo PU 19 3414 95248
Montecalvo in Foglia PU 20 2718 97966
Mombaroccio PU 20 2152 100118

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Fano (60888 inhabitants)
33 Km SW of Pesaro (94582 inhabitants)
48 Km S of Rimini (147750 inhabitants)
65 Km W of Ancona (100861 inhabitants)
66 Km NE of Perugia (166134 inhabitants)
67 Km SE of Cesena (96758 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
77 Km N of Foligno (57155 inhabitants)
84 Km SE of Forlì (117913 inhabitants)
95 Km SE of Ravenna (159116 inhabitants)
98 Km SE of Faenza (58541 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 1.4 2018-08-25
01:13:50
43.65 12.72 31 2019-04-24
14:51:15
Bollettino Sismico Italiano INGV 67001551
Rev 100 ML 1.4 2018-08-25
01:13:50
43.66 12.73 30 2018-08-25
01:21:46
Sala Sismica INGV-Roma 60178761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-25 01:13:50 ± 0.16
Latitude 43.65 ± 0.01
Longitude 12.72 ± 0.01
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67001551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 890
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.6664
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 60178761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-25 01:21:46

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 67001551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-28 09:09:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2018-08-25T01:14:12.54 0.6 undecidable manual S 184 0.6061 109 0.57 40
IV.ATCC.EHZ. 2018-08-25T01:14:08.68 0.6 undecidable manual S 187 0.4649 116 0.56 41
IV.FOSV.EHZ. 2018-08-25T01:14:05.45 0.6 undecidable manual S 175 0.3534 123 0.22 46
IV.ATFO.HHZ. 2018-08-25T01:14:03.81 0.6 undecidable manual S 201 0.3004 128 -0.13 48
IV.FDMO.HHZ. 2018-08-25T01:14:03.91 0.3 undecidable manual P 156 0.6664 108 -0.03 67
IV.ATTE.HHZ. 2018-08-25T01:14:02.26 0.3 undecidable manual P 211 0.5216 113 0.65 60
IV.SSFR.HHZ. 2018-08-25T01:14:02.00 0.6 undecidable manual S 168 0.2158 138 -0.12 49
IV.PE3.EHZ. 2018-08-25T01:14:02.07 0.6 undecidable manual S 287 0.1682 146 0.82 39
IV.ARVD.HHZ. 2018-08-25T01:14:02.61 0.6 undecidable manual S 133 0.2194 138 0.42 45
IV.ASSB.HHZ. 2018-08-25T01:14:02.71 0.6 undecidable manual P 184 0.6061 109 -0.25 43
IV.APEC.HHZ. 2018-08-25T01:14:02.88 0.6 undecidable manual S 248 0.2338 136 0.4 45
IV.PIEI.HHZ. 2018-08-25T01:14:01.31 0.6 undecidable manual S 230 0.1736 145 -0.04 50
IV.CING.HHZ. 2018-08-25T01:14:00.51 0.1 undecidable manual P 128 0.4389 117 0.17 92
IV.NARO.HHZ. 2018-08-25T01:14:00.12 0.6 undecidable manual S 250 0.1061 157 -0.25 49
IV.EL6.EHZ. 2018-08-25T01:14:00.13 0.1 undecidable manual P 139 0.4218 118 0.06 95
IV.FRON.EHZ. 2018-08-25T01:14:00.40 0.6 undecidable manual S 178 0.1295 153 -0.26 48
IV.ATCC.EHZ. 2018-08-25T01:14:00.69 0.1 undecidable manual P 187 0.4649 116 -0.05 93
IV.MPAG.EHZ. 2018-08-25T01:13:59.73 0.6 undecidable manual S 121 0.0342 172 -0.08 51
IV.FOSV.EHZ. 2018-08-25T01:13:58.79 0.1 undecidable manual P 175 0.3534 123 -0.28 91
IV.ATFO.HHZ. 2018-08-25T01:13:58.14 0.1 undecidable manual P 201 0.3004 128 -0.19 94
IV.PARC.HHZ. 2018-08-25T01:13:58.97 0.1 positive manual P 270 0.3471 124 -0.01 96
IV.ATPI.EHZ. 2018-08-25T01:13:58.27 0.3 undecidable manual P 230 0.3022 128 -0.08 72
IV.ATVO.HHZ. 2018-08-25T01:13:58.89 0.3 undecidable manual P 221 0.348 124 -0.1 71
IV.ARVD.HHZ. 2018-08-25T01:13:57.06 0.1 undecidable manual P 133 0.2194 138 -0.26 94
IV.APEC.HHZ. 2018-08-25T01:13:57.41 0.1 undecidable manual P 248 0.2338 136 -0.07 97
IV.COR1.EHZ. 2018-08-25T01:13:57.85 0.1 undecidable manual P 94 0.2041 140 0.71 83
IV.FRON.EHZ. 2018-08-25T01:13:56.24 0.1 positive manual P 178 0.1295 153 -0.19 97
IV.PIEI.HHZ. 2018-08-25T01:13:56.50 0.1 positive manual P 230 0.1736 145 -0.33 94
IV.SSFR.HHZ. 2018-08-25T01:13:56.98 0.1 undecidable manual P 168 0.2158 138 -0.29 93
IV.PE3.EHZ. 2018-08-25T01:13:56.99 0.1 undecidable manual P 287 0.1682 146 0.22 96
IV.MPAG.EHZ. 2018-08-25T01:13:55.80 0.1 undecidable manual P 121 0.0342 172 -0.14 100
IV.NARO.HHZ. 2018-08-25T01:13:55.98 0.1 undecidable manual P 250 0.1061 157 -0.29 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:1.2 7.995E-5 0.06 AML other m 2018-08-25T01:14:00.43
IV.FRON.EHE. ML:1.3 8.905E-5 0.24 AML other m 2018-08-25T01:14:00.82
IV.FRON.EHN. ML:1.6 0.00019 0.26 AML other m 2018-08-25T01:14:00.91
IV.NARO.HHN. ML:1.3 9.44E-5 1.2 AML other m 2018-08-25T01:14:00.36
IV.PIEI.HHN. ML:1.3 8.14E-5 0.58 AML other m 2018-08-25T01:14:01.12
IV.PIEI.HHE. ML:1.5 0.000142 0.24 AML other m 2018-08-25T01:14:01.81
IV.PE3.EHE. ML:2.1 0.0004795 0.28 AML other m 2018-08-25T01:14:02.44
IV.PE3.EHN. ML:2.1 0.000564 0.44 AML other m 2018-08-25T01:14:02.60
IV.SSFR.HNE. ML:1.9 0.0002925 0.68 AML other m 2018-08-25T01:14:02.76
IV.ARVD.HHE. ML:1.2 5.465E-5 0.74 AML other m 2018-08-25T01:14:02.49
IV.SSFR.HHE. ML:1.7 0.000193 0.74 AML other m 2018-08-25T01:14:02.97
IV.SSFR.HHN. ML:1.7 0.00019 1.8 AML other m 2018-08-25T01:14:03.07
IV.APEC.HHN. ML:1.3 6.33E-5 0.24 AML other m 2018-08-25T01:14:03.09
IV.SSFR.HNN. ML:1.8 0.000231 0.62 AML other m 2018-08-25T01:14:03.09
IV.ARVD.HHN. ML:1.2 5.88E-5 0.12 AML other m 2018-08-25T01:14:03.09
IV.APEC.HHE. ML:1.2 4.805E-5 0.56 AML other m 2018-08-25T01:14:03.44
IV.ATFO.HHN. ML:1.6 0.00013645 0.82 AML other m 2018-08-25T01:14:04.26
IV.ATFO.HHE. ML:1.6 0.0001225 0.5 AML other m 2018-08-25T01:14:04.99
IV.ATPI.EHE. ML:1.1 3.63E-5 0.24 AML other m 2018-08-25T01:14:05.39
IV.ATVO.HHE. ML:1.1 3.34E-5 0.2 AML other m 2018-08-25T01:14:05.67
IV.FOSV.EHN. ML:1.4 5.835E-5 0.5 AML other m 2018-08-25T01:14:05.68
IV.FOSV.EHE. ML:1.3 5.74E-5 0.34 AML other m 2018-08-25T01:14:05.72
IV.ATVO.HHN. ML:1.2 4.015E-5 0.42 AML other m 2018-08-25T01:14:05.85
IV.ATPI.EHN. ML:0.9 2.68E-5 0.64 AML other m 2018-08-25T01:14:06.47
IV.ATCC.EHE. ML:1.6 7.96E-5 0.5 AML other m 2018-08-25T01:14:09.45
IV.ATCC.EHN. ML:1.6 8.41E-5 0.18 AML other m 2018-08-25T01:14:09.53
IV.ATTE.HHN. ML:1.3 3.875E-5 0.34 AML other m 2018-08-25T01:14:12.22
IV.ATTE.HHE. ML:1.2 2.98E-5 0.36 AML other m 2018-08-25T01:14:12.23
IV.ASSB.HHN. ML:1.4 3.365E-5 0.24 AML other m 2018-08-25T01:14:14.00
IV.ASSB.HHE. ML:1.3 3.135E-5 0.42 AML other m 2018-08-25T01:14:16.37
IV.FDMO.HHE. ML:1.3 2.79E-5 1.2 AML other m 2018-08-25T01:14:17.81
IV.FDMO.HHN. ML:1.2 2.605E-5 0.64 AML other m 2018-08-25T01:14:19.42
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