Earthquake 3 km NE Vallepietra (RM), Magnitude Md 3.4, 19 August 1998 time 10:13:17 (Timezone Italy)

A magnitude Md 3.4 earthquake occured in region: 3 km NE Vallepietra (RM), on

19-08-1998 08:13:17 (UTC)
19-08-1998 10:13:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.94, 13.27 at 0 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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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Vallepietra	RM	3	283	283
Cappadocia	AQ	7	528	811
Filettino	FR	8	565	1376
Castellafiume	AQ	8	1106	2482
Trevi nel Lazio	FR	9	1822	4304
Jenne	RM	10	366	4670
Capistrello	AQ	11	5252	9922
Canistro	AQ	12	995	10917
Civitella Roveto	AQ	14	3268	14185
Subiaco	RM	14	9074	23259
Tagliacozzo	AQ	14	6889	30148
Arcinazzo Romano	RM	14	1348	31496
Scurcola Marsicana	AQ	15	2824	34320
Affile	RM	15	1548	35868
Camerata Nuova	RM	16	447	36315
Fiuggi	FR	16	10536	46851
Piglio	FR	16	4666	51517
Guarcino	FR	16	1623	53140
Avezzano	AQ	17	42515	95655
Luco dei Marsi	AQ	17	6079	101734
Torre Cajetani	FR	17	1376	103110
Cervara di Roma	RM	17	455	103565
Morino	AQ	18	1448	105013
Serrone	FR	18	3099	108112
Civita d'Antino	AQ	18	979	109091
Roiate	RM	18	737	109828
Acuto	FR	18	1920	111748
Trivigliano	FR	19	1705	113453
Sante Marie	AQ	19	1166	114619
Magliano de' Marsi	AQ	19	3690	118309
Pereto	AQ	19	682	118991
Rocca di Botte	AQ	19	856	119847
Canterano	RM	19	351	120198
Vico nel Lazio	FR	19	2234	122432
Agosta	RM	20	1765	124197

Municipalities with at least 50000 inhabitants

An earthquake occurred to

39 Km E of Tivoli (56533 inhabitants)

45 Km E of Guidonia Montecelio (88673 inhabitants)

47 Km S of L'Aquila (69753 inhabitants)

50 Km NE of Velletri (53303 inhabitants)

61 Km NE of Latina (125985 inhabitants)

64 Km NE of Aprilia (73446 inhabitants)

65 Km E of Roma (2864731 inhabitants)

70 Km E of Pomezia (62966 inhabitants)

76 Km NE of Anzio (54211 inhabitants)

86 Km SE of Terni (111501 inhabitants)

87 Km SW of Chieti (51815 inhabitants)

87 Km E of Fiumicino (78395 inhabitants)

88 Km SW of Teramo (54892 inhabitants)

97 Km SW of Montesilvano (53738 inhabitants)

97 Km SW of Pescara (121014 inhabitants)

Recent and historical Seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Rev 1000	Md 3.4 ML-VAX 2.5	1998-08-19 08:13:17	41.94	13.27	0	2013-07-15 08:41:04	Bollettino Sismico Italiano INGV	348929

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	1998-08-19 08:13:17 ± 0.346
Latitude	41.94 ± 0.01
Longitude	13.27 ± 0.02
Depth (km)	0 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-VAX
Event type	earthquake
Origin ID	348929

Uncertainty

Field	Value
Preferred uncertainty description	horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter)	2168.8
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	106
Number of associated phases, regardless of their use for origin computation	29
Number of defining phases	29
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.8
Epicentral distance of station closest to the epicenter (degree)	0.0038
Epicentral distance of station farthest from the epicenter (degree)	0.02242
Number of stations at which the event was observed	20
Number of stations from which data was used for origin computation	20

Magnitudes information

Md:3.4

Field	Value
Value	3.4
Uncertainty
Num. used stations	4
Type of magnitude	Md
Reference to an origin	348929
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2013-01-04 22:26:50

ML:2.5

Field	Value
Value	2.5
Uncertainty
Num. used stations	9
Type of magnitude	ML
Reference to an origin	348929
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2015-04-28 13:07:13

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
--.FB9.Z.	1998-08-19T08:14:12.61	10.0	undecidable	manual	SN	348	0.016	-0.59	0.5
--.SNTG.Z.	1998-08-19T08:14:01.58	10.0	undecidable	manual	SN	349	0.012	-0.88	0.5
--.MGR.Z.	1998-08-19T08:13:59.75	10.0	undecidable	manual	PN	135	0.0224	0.27	1.3
--.ASS.Z.	1998-08-19T08:13:58.79	10.0	undecidable	manual	SN	338	0.0108	-0.68	0.6
--.SFI.Z.	1998-08-19T08:13:57.22	10.0	undecidable	manual	PN	332	0.0199	1.55	0.4
--.MU9.Z.	1998-08-19T08:13:54.71	10.0	undecidable	manual	PN	124	0.0184	1.45	0.5
--.CRE.Z.	1998-08-19T08:13:53.50	10.0	undecidable	manual	PN	330	0.0174	1.29	0.7
--.FG3.Z.	1998-08-19T08:13:53.90	10.0	undecidable	manual	PN	95	0.0181	0.26	1.4
--.SGO.Z.	1998-08-19T08:13:53.20	10.0	undecidable	manual	PN	131	0.0185	-0.36	1.3
--.NRCA.Z.	1998-08-19T08:13:51.15	10.0	undecidable	manual	SG	352	0.008	0.94	0.5
--.FB9.Z.	1998-08-19T08:13:50.61	10.0	undecidable	manual	PN	348	0.016	0.89	1.1
--.ARV.Z.	1998-08-19T08:13:48.42	10.0	undecidable	manual	PN	351	0.0141	1.61	0.5
--.RFI.Z.	1998-08-19T08:13:47.79	10.0	undecidable	manual	SG	139	0.0075	-0.47	0.7
--.SNTG.Z.	1998-08-19T08:13:44.70	10.0	undecidable	manual	PN	349	0.012	1.18	0.9
--.VTB1.Z.	1998-08-19T08:13:43.34	10.0	undecidable	manual	PN	126	0.0114	0.68	1.6
--.SMB1.Z.	1998-08-19T08:13:42.45	10.0	undecidable	manual	PN	116	0.0109	0.56	1.7
--.MNS.Z.	1998-08-19T08:13:41.64	10.0	undecidable	manual	SG	315	0.0055	0.36	0.8
--.ASS.Z.	1998-08-19T08:13:41.20	10.0	undecidable	manual	PN	338	0.0108	-0.77	1.4
--.MAB1.Z.	1998-08-19T08:13:40.16	10.0	undecidable	manual	PN	126	0.0103	-0.77	1.4
--.RFI.Z.	1998-08-19T08:13:35.61	10.0	undecidable	manual	PG	139	0.0075	0.29	1.9
--.SDI.Z.	1998-08-19T08:13:34.95	10.0	undecidable	manual	SG	119	0.0041	-0.69	0.6
--.RMP.Z.	1998-08-19T08:13:34.14	10.0	undecidable	manual	SG	252	0.0039	-0.45	0.7
--.NRCA.Z.	1998-08-19T08:13:34.47	10.0	undecidable	manual	PG	352	0.008	-1.97	0.3
--.RDP.Z.	1998-08-19T08:13:34.39	10.0	undecidable	manual	SG	246	0.004	-0.54	0.7
--.MNS.Z.	1998-08-19T08:13:29.77	10.0	undecidable	manual	PG	315	0.0055	-1.52	0.6
--.RDP.Z.	1998-08-19T08:13:27.76	10.0	undecidable	manual	PG	246	0.004	0.14	2
--.RMP.Z.	1998-08-19T08:13:27.39	10.0	undecidable	manual	PG	252	0.0039	-0.03	2
--.AQU.Z.	1998-08-19T08:13:26.25	10.0	undecidable	manual	PG	13	0.0038	-0.79	1.4
--.SDI.Z.	1998-08-19T08:13:26.89	10.0	undecidable	manual	PG	119	0.0041	-1.14	1

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Focal Mechanism in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of Md 3.4 on date 19-08-1998 and time 10:13:17 (Italy) in region 3 km NE Vallepietra (RM)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Md:3.4

ML:2.5